CN221543922U - Flexible height-adjusting main beam structure - Google Patents

Abstract

The utility model discloses a flexible height-adjusting girder structure, including support frame, flexonics mechanism and elevating system, the support frame: the number of the two support frames is two, the top walls of the two support frames are fixedly connected through two track beams which are symmetrical front and back, the lower ends of the track beams are provided with running trolleys, the lower ends of the running trolleys are provided with supporting blocks, and the flexible connecting mechanisms are: the lifting mechanism is arranged at the upper ends of the supporting blocks respectively: it sets up in the inside of riding block respectively, wherein: still include crossbeam and electric hoist, crossbeam fixed connection is in between the upper end of two flexonics mechanism, and electric hoist sets up in the middle part of crossbeam, and this flexible girder structure that adjusts up is equipped with flexonics mechanism, and the dispersion of helping force has still been avoided the emergence of the non-horizontal condition in position between roof beam and the roof beam in the time of flexonics, uses mechanical lift, has self-locking function, and it is big to rise the process, satisfies the operation requirement in the limited space.

Description

Flexible height-adjusting main beam structure

Technical Field

The utility model relates to the technical field of flexible cranes, in particular to a flexible height-adjusting main beam structure.

Background

In modern industrial production, the crane plays an irreplaceable role, can help us to finish the task of weight level and improve the production efficiency, but the KBK flexible crane, which is a special crane type, has been widely applied in many industries because of the characteristics of high efficiency, flexibility and practicability, is formed by combining standard straight-line section tracks and other auxiliary standard components, travelling trolley travelling parts at two ends of a main beam can operate in two parallel hanging KBK tracks perpendicular to the main beam direction, a single beam is matched with a circular chain electric hoist, and the electric hoist can operate along the main beam direction. The conventional KBK flexible crane takes a high-strength steel rail as a support, a traveling trolley drives a girder to move along the rail direction, an electric hoist lifts materials to move along the girder direction, stable and accurate carrying of the materials is realized, the conventional crane is mostly hydraulically or pneumatically lifted, a lifting process is small, once lifting unbalance can generate major potential safety hazards, the use requirements in a limited space cannot be met, and due to the limitation of the girder manufacturing process, the girder is not completely straight along the length direction, a certain longitudinal fluctuation can be generated along the length direction, or the girder can be bent back and forth along the length direction perpendicular to the girder, namely, the girder can be slightly bent along the length direction or perpendicular to the length direction, each track girder is not completely in a horizontal state after being rigidly and fixedly connected with the girder, and each track girder is also in a fluctuation along the longitudinal direction.

Disclosure of utility model

The utility model aims to overcome the existing defects, provides a flexible height-adjusting main beam structure, is provided with a flexible connecting mechanism, is beneficial to the dispersion of force while in flexible connection, avoids the occurrence of the condition that the position between beams is not horizontal, has a self-locking function by using mechanical lifting, has a large lifting process, meets the use requirement in a limited space, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a flexible height-adjusting main beam structure comprises a supporting frame, a flexible connecting mechanism and a lifting mechanism;

A supporting frame: the number of the two support frames is two, the top walls of the two support frames are fixedly connected through two track beams which are symmetrical in front-back, the lower ends of the track beams are provided with running trolleys, and the lower ends of the running trolleys are provided with supporting blocks;

Flexible connection mechanism: which are respectively arranged at the upper end of the supporting block;

Lifting mechanism: which are respectively arranged in the supporting blocks;

Wherein: the device also comprises a cross beam and an electric hoist, wherein the cross beam is fixedly connected between the upper ends of the two flexible connecting mechanisms, the electric hoist is arranged in the middle of the cross beam;

Wherein: still include the singlechip, singlechip fixed connection is on the front end right side of support frame, and the external power source is connected to the input electricity of singlechip, and the input of operation dolly and electric hoist is all connected with the output electricity of singlechip, is equipped with flexible coupling mechanism, and the dispersion of helping power in the time of flexible connection has avoided the emergence of the not horizontal condition in position between roof beam and the roof beam, uses mechanical lift, has the auto-lock function, and it is big to rise the progress, satisfies the operation requirement in the limited space.

Further, the flexible connecting mechanism comprises a mounting block, a sliding groove, connecting rods and jacking brackets, wherein the mounting block is fixedly connected to the inner side of the upper end of the supporting block, the sliding grooves are respectively formed in the left and right inner walls of the mounting block, the connecting rods are slidably connected to the inside of the sliding grooves through sliding posts, and the upper ends of the two connecting rods located in the same sliding groove are rotatably connected with the lower end of one jacking bracket through pin shafts, so that the dispersion of the power is facilitated.

Further, the flexible connecting mechanism further comprises a damper I and a damper II, the damper I is arranged in the installation block, the inner side end of the telescopic end of the damper I positioned in the same installation block is matched with the lower end of the connecting rod, and the damper II is arranged at the bottom end of the jacking to play a role in buffering.

Further, elevating system is including dodging groove, jack-prop, spacing groove and stopper, dodge the groove and all set up in the relative medial surface middle part of riding block, jack-prop equal sliding connection in dodge the inside in groove, the upper end of jack-prop and the bottom fixed connection of attenuator two, the spacing groove is evenly set up in dodging the inner wall in groove, the stopper evenly sets up in the surface of jack-prop, the surface of stopper and the inner wall sliding connection of adjacent spacing groove, play spacing effect.

Further, elevating system still includes the lead screw, the lead screw is all rotated and is connected in the bottom of dodging the groove, is located the inside surface upper end of the lead screw of same spacing groove and the inner wall threaded connection of jack-up post, and mechanical lifting has the self-locking function.

Further, elevating system still includes motor, bevel gear two and bevel gear one, the equal fixed connection of bevel gear one is in the bottom of lead screw, and the motor sets up in the inside lower extreme of riding block respectively, and the output of singlechip is connected to the motor input electricity, and the inboard end of the output shaft of motor all is equipped with bevel gear two, is located the inside bevel gear one and the meshing of bevel gear two of same riding block and is connected, provides stable drive for the lift.

Furthermore, the outer side of the upper end of the supporting block is provided with reinforcing ribs which are uniformly distributed, so that the connection between the structures is more stable.

Compared with the prior art, the utility model has the beneficial effects that: this flexible height-adjusting girder structure has following benefit:

1. During installation hoist, fix the support frame on the workshop ground through the bolt, then fix the lower extreme at the support frame with the track roof beam, the operation dolly is installed inside the track roof beam, install the lower extreme at the operation dolly with the riding piece afterwards, the bottom and two jacking of crossbeam are fixed again, accomplish the installation work, the jacking receives the gravity influence of crossbeam to push down this moment, the lower extreme atress of connecting rod is to keeping away from the direction deflection of jacking, at this moment, the lower extreme of connecting rod is continuous along the spout to keeping away from the direction of jacking and sliding, the flexible end of continuous extrusion attenuator one, the flexible end of jacking also continuous extrusion attenuator two downwards, the dispersion of power is helped to the atress simultaneously to the three direction, make the connection of girder more stable.

2. When the height of the beam needs to be adjusted, the singlechip controls the motor to operate, the output shaft of the motor drives the bevel gear II to rotate, the bevel gear rotates synchronously, the screw rod also rotates along with the bevel gear II, the jack-prop can move upwards along with the rotation of the screw rod, the fixed end of the damper II moves upwards, the upper end of the telescopic end of the damper II is attached to the bottom end of the jack-up, after the telescopic limit of the damper II is reached, the whole damper II can move upwards along with the jack-up, the beam moves upwards, meanwhile, along with the upward movement of the jack-up, the lower end of the connecting rod deflects in a direction close to the jack-up due to the stress, the telescopic end of the damper I does not bear force and slowly rebounds along with the movement of the lower end of the connecting rod, and is always contacted with the connecting rod, so that the jack-up is more stable, the lifting process is large, and the use requirement in a limited space is met in the use process of the main beam.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the explosive structure of the flexible connection mechanism and the lifting mechanism of the present utility model;

FIG. 3 is a schematic cross-sectional view of the flexible connection mechanism and the lifting mechanism of the present utility model.

In the figure: 1a support frame, 2 track beams, 3 running trolleys, 4 supporting blocks, 5 cross beams, 6 electric hoist blocks, 7 flexible connecting mechanisms, 71 installation blocks, 72 sliding grooves, 73 connecting rods, 74 jacking, 75 first dampers, 76 second dampers, 8 lifting mechanisms, 81 avoiding grooves, 82 jacking columns, 83 limiting grooves, 84 limiting blocks, 85 screw rods, 86 first bevel gears, 87 motors, 88 second bevel gears, 9 reinforcing ribs and 10 single chip microcomputer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a flexible height-adjusting main beam structure comprises a support frame 1, a flexible connecting mechanism 7 and a lifting mechanism 8;

Support frame 1: the number of the two support frames is two, the top walls of the two support frames 1 are fixedly connected through two track beams 2 which are symmetrical in front-back, the lower ends of the inner parts of the track beams 2 are provided with tracks, the lower ends of the track beams 2 are provided with running trolleys 3, the running trolleys 3 are arranged on the track beams 2 in a mounting movement mode in the prior art, the running trolleys 3 can linearly move on the tracks, the lower ends of the running trolleys 3 are provided with supporting blocks 4, and reinforcing ribs 9 which are uniformly distributed are arranged on the outer sides of the upper ends of the supporting blocks 4, so that the connection between the structures is more stable;

Flexible connection mechanism 7: the flexible connection mechanism 7 comprises a mounting block 71, a sliding groove 72, a connecting rod 73 and a jacking 74, wherein the mounting block 71 is fixedly connected to the inner side of the upper end of the supporting block 4, the sliding groove 72 is respectively arranged on the left and right inner walls of the mounting block 71, the connecting rod 73 is slidably connected to the inside of the sliding groove 72 through a sliding column, the upper ends of the two connecting rods 73 positioned in the same sliding groove 72 are rotatably connected with the lower end of the jacking 74 through pin shafts, so that the dispersion of force is facilitated, the flexible connection mechanism 7 further comprises a damper I75 and a damper II 76, the damper I75 is arranged in the mounting block 71, the inner end of the telescopic end of the damper I75 positioned in the same mounting block 71 is matched with the lower end of the connecting rod 73, and the damper II 76 is arranged at the bottom end of the jacking 74 so that the damping effect is achieved;

Lifting mechanism 8: the lifting mechanism 8 comprises an avoidance groove 81, a top column 82, a limiting groove 83 and a limiting block 84, wherein the avoidance groove 81 is formed in the middle of the opposite inner side surface of the support block 4, the top column 82 is connected in a sliding mode in the avoidance groove 81, the upper end of the top column 82 is fixedly connected with the bottom end of a damper II 76, the limiting groove 83 is uniformly formed in the inner wall of the avoidance groove 81, the limiting block 84 is uniformly arranged on the outer surface of the top column 82, the outer surface of the limiting block 84 is connected with the inner wall of the adjacent limiting groove 83 in a sliding mode to play a limiting role, the lifting mechanism 8 further comprises a screw rod 85, the screw rod 85 is connected to the bottom end of the avoidance groove 81 in a rotating mode, the upper end of the outer surface of the screw rod 85 located in the same limiting groove 83 is connected with the inner wall of the top column 82 in a threaded mode, a mechanical lifting mode is achieved, the self-locking function is achieved, the lifting mechanism 8 further comprises a motor 87, a bevel gear II 88 and a bevel gear I86, the bevel gear I86 is fixedly connected to the bottom end of the screw rod 85, the motor 87 is respectively arranged at the lower end of the inside of the support block 4, the input end of the motor 87 is electrically connected with the output end of the single-chip microcomputer 10, the output end of the motor 87 is provided with the bevel gear 88, the bevel gear I is provided with the bevel gear II, and the bevel gear I is located inside the same as the bevel gear I86, and the bevel gear I is meshed with the bevel gear II and is meshed with the bevel gear II;

Wherein: the electric hoist comprises a beam 5 and an electric hoist 6, wherein the beam 5 is fixedly connected between the upper ends of the two flexible connecting mechanisms 7, the lower end of the beam 5 is provided with a sliding rail, the electric hoist 6 is arranged in the middle of the beam 5, the upper end of the electric hoist 6 is in sliding connection with the inner wall of the sliding rail, the electric hoist 6 can do linear motion on the sliding rail, and the installation motion of the electric hoist 6 in the middle of the cross beam 5 and the sliding of the upper end of the electric hoist 6 and the inner wall of the sliding rail are all in the prior art;

Wherein: still include singlechip 10, singlechip 10 fixed connection is on the front end right side of support frame 1, and external power source is connected to singlechip 10's input electricity, and operation dolly 3 and electric hoist 6's input all are connected with singlechip 10's output electricity, are equipped with flexonics mechanism, and the dispersion of helping hand has still in the time of flexonics has avoided the emergence of the condition of position non-level between roof beam and the roof beam, uses mechanical lift, has the auto-lock function, and it is big to rise the progress, satisfies the operation requirement in the limited space.

The working principle of the flexible height-adjusting main beam structure provided by the utility model is as follows: when the KBK flexible crane is installed, the support frame 1 is fixed on the workshop floor through bolts, the track beam 2 is fixed at the lower end of the support frame 1, the running trolley 3 is installed inside the track beam 2, the supporting blocks 4 are installed at the lower end of the running trolley 3, finally, the bottom end of the cross beam 5 is fixed with the two jacking brackets 74, the installation work is completed, the jacking brackets 74 are pressed downwards under the influence of gravity of the cross beam 5 at the moment, the lower end of the connecting rod 73 is stressed to deflect in the direction away from the jacking brackets 74, at the moment, the lower end of the connecting rod 73 continuously slides along the sliding groove 72 in the direction away from the jacking 74, the telescopic end of the damper I75 is continuously extruded, the jacking brackets 74 also continuously downwards extrude the telescopic end of the damper II 76, the three directions are simultaneously stressed to facilitate the dispersion of force, so that the connection is more stable, then the lifting work is performed, the single chip microcomputer 10 controls the running trolley 3 to work, the running trolley 3 moves along the cross beam 5 in the direction of the track beam 2, until the material is moved to the upper part, the singlechip 10 controls the electric hoist 6 to work, the electric hoist 6 moves to the upper part of the material along the direction of the cross beam 5, then the hinge is put down, the ground operator connects the lifting hook below the hinge with the material, then the singlechip 10 controls the electric hoist 6 to work again, the electric hoist 6 is retracted to lift the material by the hinge, then the operator can rapidly and stably transport the stacked material, when the height of the cross beam 5 is required to be adjusted, the singlechip 10 controls the motor 87 to operate, the output shaft of the motor 87 drives the bevel gear II 88 to rotate, the bevel gear I86 positioned in the same supporting block 4 is meshed and connected with the bevel gear II 88, the bevel gear I86 synchronously rotates, the screw 85 also rotates along with the bevel gear I86, the upper end of the outer surface of the screw 85 positioned in the same limiting groove 83 is in threaded connection with the inner wall of the top column 82, so the jack post 82 can move upwards along with the rotation of the screw rod 85, the fixed end with the damper II 76 moves upwards, the upper end of the telescopic end of the damper II 76 is attached to the bottom end of the jacking 74, when the damper II 76 reaches the telescopic limit, the whole damper II can move upwards with the jacking 74 and the cross beam 5, meanwhile, along with the upward movement of the jacking 74, the lower end of the connecting rod 73 is stressed to deflect towards the direction close to the jacking 74, the telescopic end of the damper I75 is not stressed to rebound along with the movement of the lower end of the connecting rod 73, and is always contacted with the connecting rod 73, so that the lifting is stable, the lifting process is large, and the use requirement in a limited space is met.

It is noted that the singlechip 10 disclosed in the above embodiment is an S7-200 singlechip, the electric hoist 6 is a BMS01-02M electric hoist, the motor 87 is an HY90B3548V motor, and the singlechip 10 controls the electric hoist 6 and the motor 87 to work by a method commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A flexible height-adjusting girder structure is characterized in that: comprises a supporting frame (1), a flexible connecting mechanism (7) and a lifting mechanism (8);

Support frame (1): the number of the two support frames is two, the top walls of the two support frames (1) are fixedly connected through two track beams (2) which are symmetrical in front-back, the lower ends of the track beams (2) are respectively provided with a running trolley (3), and the lower ends of the running trolleys (3) are respectively provided with a supporting block (4);

flexible connection mechanism (7): which are respectively arranged at the upper ends of the supporting blocks (4);

Lifting mechanism (8): which are respectively arranged in the supporting blocks (4);

Wherein: the electric hoist is characterized by further comprising a cross beam (5) and an electric hoist (6), wherein the cross beam (5) is fixedly connected between the upper ends of the two flexible connecting mechanisms (7), and the electric hoist (6) is arranged in the middle of the cross beam (5);

Wherein: the intelligent elevator car further comprises a single chip microcomputer (10), the single chip microcomputer (10) is fixedly connected to the right side of the front end of the supporting frame (1), the input end of the single chip microcomputer (10) is electrically connected with an external power supply, and the input ends of the operation trolley (3) and the electric hoist (6) are electrically connected with the output end of the single chip microcomputer (10).

2. A flexible heightening main girder structure according to claim 1, wherein: the flexible connecting mechanism (7) comprises a mounting block (71), sliding grooves (72), connecting rods (73) and jacking plates (74), wherein the mounting block (71) is fixedly connected to the inner side of the upper end of the supporting block (4), the sliding grooves (72) are respectively formed in the left and right inner walls of the mounting block (71), the connecting rods (73) are connected to the inside of the sliding grooves (72) in a sliding mode through sliding posts, and the upper ends of the two connecting rods (73) located in the same sliding groove (72) are rotatably connected with the lower end of one jacking plate (74) through pin shafts.

3. A flexible heightening main girder structure according to claim 2, wherein: the flexible connecting mechanism (7) further comprises a first damper (75) and a second damper (76), the first damper (75) is arranged inside the mounting block (71), the inner side end of the telescopic end of the first damper (75) located inside the same mounting block (71) is matched with the lower end of the connecting rod (73), and the second damper (76) is arranged at the bottom end of the jacking (74).

4. A flexible heightened girder structure according to claim 3, wherein: elevating system (8) is including dodging groove (81), jack-prop (82), spacing groove (83) and stopper (84), dodge groove (81) and all set up in the relative medial surface middle part of riding block (4), jack-prop (82) all sliding connection is in dodging the inside in groove (81), the upper end of jack-prop (82) and the bottom fixed connection of attenuator two (76), spacing groove (83) are evenly offered in dodging the inner wall in groove (81), stopper (84) evenly set up in the surface of jack-prop (82), the surface of stopper (84) and the inner wall sliding connection of adjacent spacing groove (83).

5. The flexible heightening main beam structure according to claim 4, wherein: the lifting mechanism (8) further comprises a screw rod (85), the screw rods (85) are all rotationally connected to the bottom ends of the avoidance grooves (81), and the upper ends of the outer surfaces of the screw rods (85) located in the same limiting groove (83) are in threaded connection with the inner walls of the jacking columns (82).

6. The flexible heightening main beam structure according to claim 5, wherein: elevating system (8) still include motor (87), bevel gear two (88) and bevel gear one (86), the equal fixed connection of bevel gear one (86) is in the bottom of lead screw (85), and motor (87) set up respectively in the inside lower extreme of riding piece (4), and the output of singlechip (10) is connected to motor (87) input, and the inboard end of the output shaft of motor (87) all is equipped with bevel gear two (88), and the inside bevel gear one (86) and bevel gear two (88) meshing that are located same riding piece (4) are connected.

7. A flexible heightening main girder structure according to claim 1, wherein: reinforcing ribs (9) which are uniformly distributed are arranged on the outer side of the upper end of the supporting block (4).