CN221319010U - Steering positioning detection mechanism of gantry crane - Google Patents

Abstract

The utility model discloses a gantry crane steering positioning detection mechanism, which relates to the technical field of crane steering, and comprises a device main body, wherein the lower surface of the device main body is fixedly connected with a base, the device main body further comprises a rotating disc, a fixed plate, a connecting plate, three pressing plates, three springs and three long rods, the lower surface of the rotating disc is rotationally connected with the upper surface of the base, three arc grooves are formed in the upper surface of the rotating disc, a knob is rotated at the moment, the knob drives a rotating rod to rotate, at the moment, three threaded rods sleeved with a limiting block thread move forwards until one threaded rod penetrates through a hole in the long rod, the purpose of fixing the long rod is achieved, and at the moment, the device main body can only rotate along a fixed radian due to the limitation of the arc grooves and the long rod, so that potential safety hazards are reduced.

Description

Steering positioning detection mechanism of gantry crane

Technical Field

The utility model relates to the technical field of crane steering, in particular to a steering positioning detection mechanism of a gantry crane.

Background

The tyre container gantry crane is an important hoisting machine in port engineering machinery, and the cart runs at 0 degree, 90 degrees, 23 degrees or 15 degrees, and the typhoon mode has 4 position modes, and has 3 positions of 0 degree, 90 degrees and 23 degrees relative to the tyre. 0 degrees is a normal travel position, 90 degrees is a transition travel position, 23 degrees is a in-situ turning mode, and a positioning detection mechanism is a device for positioning and detecting a turning position of a crane cart.

However, in the implementation process of the technical scheme, at least the following technical problems are found: the accuracy and reliability requirements of the position location of the cart are high, if the detection device fails, even excessive rotation can occur, the mechanism is broken, so that serious safety accidents are caused, the mechanical detection blocks are welded at different positions in steering, the mode of feeding back signals to the system after limiting detection is poor in adjustability, the PLC programming is complex, the action logic is considered, the limit damage and the like are all logic, the limit is required to be contracted and limited at regular time, the maintenance cost is increased, and the potential safety hazard exists.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a gantry crane steering positioning detection mechanism, which solves the technical problems that the requirements on the accuracy and reliability of the position positioning of a cart are relatively high, if a detection device fails, even excessive rotation occurs, the mechanism is broken, so that serious safety accidents are caused, a mechanical detection block is welded at different positions in steering, a feedback signal is fed back to a system after limit detection, the adjustability is poor, the PLC programming is complex, the action logic is not considered, limit damage and the like are all required to have a plurality of logics, the limit is required to be contracted at fixed time, and the potential safety hazard exists.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides a gantry crane steering positioning detection mechanism, includes the device main part, the lower surface fixedly connected with base of device main part still includes rotary disk, fixed plate, connecting plate, three press board, three spring and three stock, the lower surface of rotary disk rotates the upper surface of connecting the base, just three arc wall has been seted up to the upper surface of rotary disk, the rear surface and the device main part fixed connection of fixed plate, just fixed plate and connecting plate fixed connection, three press board all is located the upper end position of connecting plate, the upper surface of three stock all is fixedly connected with the lower surface of the press board of corresponding position, and the lower surface of three press board all with three spring fixed connection, and the lower surface of three spring all is fixedly connected with the connecting plate;

wherein, three stock all is located the inside of three springs, and three the stock all cup joints with the connecting plate activity, and the lower extreme position of every stock all runs through and has seted up the hole.

Preferably: a limiting block is fixedly connected to the front end of the base;

The upper surfaces of the limiting blocks are provided with long grooves corresponding to the positions of the three long rods.

Preferably: three thread grooves are formed in the right surface of the limiting block;

Wherein, the stopper has cup jointed three threaded rods through three thread groove activity.

Preferably: the left surfaces of the three threaded rods are provided with empty slots, and the inner walls of the left end and the right end of each threaded rod are provided with sliding slots;

wherein, every threaded rod all spout activity has cup jointed the gleitbretter, and the threaded rod has also cup jointed the rotary rod through the empty slot activity, every the gleitbretter all with the rotary rod fixed connection of corresponding position.

Preferably: gears are fixedly connected to the left end positions of the three rotating rods;

The left end position of the limiting block is provided with a synchronous chain, and the three gears are all in meshed connection with the synchronous chain.

Preferably: a knob is arranged at the left end of the limiting block;

The right surface of the knob is fixedly connected with a gear positioned at the middle position.

The utility model has the advantages that: 1. three arc grooves on the rotary disk correspond 90 degrees, 23 degrees and 15 degrees respectively, operating personnel aim at the stock with corresponding arc groove when the fixed degree of needs rotation, press the push plate of corresponding position at first, the spring takes place deformation, drive the stock and descend, this time the stock descends to the long inslot of corresponding position, rotatory knob this moment, the knob drives the rotary rod and rotates, three threaded rods that cup joint with stopper screw thread will move forward this moment, until one of them threaded rod passes the hole on the stock, reach the purpose of fixed stock, the device main part of this moment can only rotate along fixed radian because of the spacing of arc groove and stock, the potential safety hazard has been reduced.

2. When the device main body needs to release the limit, the knob is reversely rotated, the threaded rod is separated from the hole, and the long rod can automatically rebound to the original position by the original tension spring, so that the limit release step is more convenient.

Drawings

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

FIG. 1 is a block diagram of the overall utility model;

FIG. 2 is an enlarged block diagram of the present utility model at A in FIG. 1;

FIG. 3 is a block diagram of the stopper of the present utility model;

Fig. 4 is a structural view of the synchronous chain of the present utility model.

Legend description: 1. a device body; 2. a base; 3. a rotating disc; 4. a fixing plate; 5. a limiting block; 6. a connecting plate; 7. pressing the plate; 8. a spring; 9. a long rod; 10. a hole; 11. a synchronous chain; 12. a rotating rod; 13. a knob; 14. a gear; 15. a thread groove; 16. a chute; 17. a sliding sheet; 18. a threaded rod.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the technical scheme in the embodiment of the application is to effectively solve the problems that the requirements on the accuracy and the reliability of the position positioning of a cart are relatively high, if a detection device fails and even over-revolution occurs, the risk of breakage of a mechanism is caused, serious safety accidents are caused, a mechanical detection block is welded at different positions in a steering way, the mode of feeding back signals to a system after limit detection is poor in adjustability, the programming of a PLC is complex, the action logic is considered to be not round, limit damage and the like are all required to be a lot of logic, the limit is required to be contracted and limited at fixed time, and the technical problem of potential safety hazards exists is generally thought as follows:

Aiming at the problems existing in the prior art, the utility model provides a gantry crane steering positioning detection mechanism, which comprises a device main body 1, wherein the lower surface of the device main body 1 is fixedly connected with a base 2, the gantry crane steering positioning detection mechanism is further provided with a limiting mechanism, the limiting mechanism comprises a rotating disc 3, a fixed plate 4, a connecting plate 6, three pressing plates 7, three springs 8 and three long rods 9, the lower surface of the rotating disc 3 is rotationally connected with the upper surface of the base 2, three arc grooves are formed in the upper surface of the rotating disc 3, the rear surface of the fixed plate 4 is fixedly connected with the device main body 1, the fixed plate 4 is fixedly connected with the connecting plate 6, the three pressing plates 7 are all positioned at the upper end position of the connecting plate 6, the lower surface of the three pressing plates 7 are all fixedly connected with the three springs 8, the lower surface of the three long rods 9 are all positioned in the inner part of the three springs 8, the upper surfaces of the three long rods 9 are all fixedly connected with the lower surfaces of the pressing plates 7 at corresponding positions, the three long rods 9 are movably sleeved with the connecting plate 6, the lower ends of the three long rods 9 are all sleeved with the limiting blocks, the lower ends of the three long rods 9 are all arranged at the positions of the corresponding to the lower ends of the long rods 9, and the lower ends of the long rods are fixedly connected with the connecting plate 6, and the lower ends of the limiting blocks are fixedly connected with the connecting plates 5, and the lower ends of the long rods are fixedly connected with the corresponding ends of the connecting plates and have the lower ends of the long rods and lower ends of the limiting plates and have the lower ends of the connecting plates and lower ends of the supporting rods and lower protection device.

Three thread grooves 15 have all been seted up on the right surface of stopper 5, the stopper 5 has cup jointed three threaded rod 18 through three thread groove 15 activity, the dead slot has all been seted up on the left surface of three threaded rod 18, and the inner wall at the both ends about every threaded rod 18 has all been seted up spout 16, the equal spout 16 activity of every threaded rod 18 has cup jointed gleitbretter 17, and the threaded rod 18 has cup jointed rotary rod 12 through the dead slot activity equally, every gleitbretter 17 all corresponds 90 degrees with rotary rod 12 fixed connection in corresponding position, three arc groove on the rotary disk 3 corresponds respectively, 23 degrees and 15 degrees, operating personnel is when the fixed degree of rotation, at first with the arc groove that corresponds aiming at stock 9, press the pressing plate 7 in corresponding position, spring 8 takes place to deform at this moment, drive stock 9 descends, this stock 9 descends to the elongated slot inside in corresponding position, rotatory knob 13 at this moment, knob 13 drives rotary rod 12 and rotates, this moment three threaded rod 18 that cup joints with stopper 5 screw thread will move forward, until one of them 18 passes hole 10 on stock 9, reach the purpose of fixed stock 9.

The gear 14 is fixedly connected with the left end position of three rotary rod 12, the left end position of stopper 5 is provided with synchronous chain 11, three gear 14 all is connected with synchronous chain 11 meshing, the left end position of stopper 5 is provided with knob 13, the right surface fixed connection of knob 13 is located the gear 14 of intermediate position, when device main part 1 needs to remove spacing, counter-rotating knob 13, threaded rod 18 breaks away from hole 10 this moment, original extension spring 8's can be with stock 9 automatic resilience to original position for it is more convenient to remove spacing step.

The working process of the utility model is as follows: when the operator needs to rotate for a fixed degree, the corresponding arc-shaped grooves are aligned to the long rods 9, the pressing plate 7 at the corresponding position is pressed, the springs 8 deform at the moment to drive the long rods 9 to descend, the long rods 9 descend into the long grooves at the corresponding position, the knob 13 is rotated, the knob 13 drives the rotary rods 12 to rotate, at the moment, the three threaded rods 18 in threaded connection with the limiting block 5 move forwards until one of the threaded rods 18 penetrates through the holes 10 on the long rods 9, the purpose of fixing the long rods 9 is achieved, the device main body 1 at the moment can only rotate along a fixed radian due to the limiting of the arc-shaped grooves and the long rods 9, the problem of logic loopholes of PLC programmers is avoided, potential safety hazards are reduced, when the device main body 1 needs to release the limiting, the threaded rods 18 are reversely rotated to be separated from the holes 10, the long rods 9 are automatically rebounded to the original positions by the original tension springs 8, and the limiting releasing step is more convenient.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (6)

1. The utility model provides a gantry crane steering positioning detection mechanism, includes device main part (1), the lower surface fixedly connected with base (2) of device main part (1), its characterized in that still includes rotary disk (3), fixed plate (4), connecting plate (6), three pressing plate (7), three spring (8) and three stock (9), the upper surface of connecting base (2) is rotated to the lower surface of rotary disk (3), just three arc wall has been seted up to the upper surface of rotary disk (3), the rear surface of fixed plate (4) and device main part (1) fixed connection, just fixed plate (4) and connecting plate (6) fixed connection, and three pressing plate (7) all are located the upper end position of connecting plate (6), and the lower surface of three pressing plate (7) all is connected with three spring (8) fixed, and the lower surface of three spring (8) all is connected with connecting plate (6) fixed;

Wherein, three stock (9) all are located the inside of three spring (8), and the upper surface of three stock (9) all is connected with the lower surface fixed of the pressing plate (7) of corresponding position, and three stock (9) all cup joints with connecting plate (6) activity, and hole (10) have all been run through to the lower extreme position of every stock (9).

2. A gantry crane steering positioning detection mechanism as claimed in claim 1, wherein: a limiting block (5) is fixedly connected to the front end of the base (2);

The upper surfaces of the limiting blocks (5) are respectively provided with long grooves corresponding to the positions of the three long rods (9).

3. A gantry crane steering positioning detection mechanism as claimed in claim 2, wherein: three thread grooves (15) are formed in the right surface of the limiting block (5);

Wherein, the limiting block (5) is movably sleeved with three threaded rods (18) through three thread grooves (15).

4. A gantry crane steering positioning detection mechanism as claimed in claim 3, wherein: the left surfaces of the three threaded rods (18) are provided with empty slots, and the inner walls of the left end and the right end of each threaded rod (18) are provided with sliding slots (16);

Wherein, every threaded rod (18) all spout (16) activity has cup jointed gleitbretter (17), and threaded rod (18) have also cup jointed rotary rod (12) through the dead slot activity, every gleitbretter (17) all with rotary rod (12) fixed connection of corresponding position.

5. A gantry crane steering positioning detection mechanism as claimed in claim 4, wherein: gears (14) are fixedly connected to the left end positions of the three rotating rods (12);

the left end position of the limiting block (5) is provided with a synchronous chain (11), and three gears (14) are all meshed with the synchronous chain (11).

6. A gantry crane steering positioning detection mechanism as claimed in claim 5, wherein: a knob (13) is arranged at the left end of the limiting block (5);

the right surface of the knob (13) is fixedly connected with a gear (14) positioned at the middle position.