CN213622989U

CN213622989U - Electric hydraulic power-assisted balance crane

Info

Publication number: CN213622989U
Application number: CN202022573092.6U
Authority: CN
Inventors: 周庆合; 赵贵良
Original assignee: ZIBO BOSHAN GEAR FACTORY
Current assignee: ZIBO BOSHAN GEAR FACTORY
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-06
Anticipated expiration: 2030-11-09

Abstract

The utility model belongs to the technical field of balance cranes, in particular to an electro-hydraulic power-assisted balance crane, which comprises a parallelogram link mechanism consisting of a front arm, a big arm, a supporting arm and a connecting arm, wherein the front arm can be used for lifting a hook heavy object, the parallelogram link mechanism is arranged on a bottom plate, and the bottom plate can be horizontally arranged on a stand column in a rotating way; the piston rod of sideslip hydro-cylinder is connected to the pin joint of support arm and linking arm, and the pin joint can be controlled about by sideslip hydro-cylinder drive, and the piston rod of lift cylinder is connected to the end of big arm, and big arm end can be gone up and down by lift cylinder drive. The lifting of the weight hung on the front arm of the balance crane and the movement of the horizontal position of the weight under the condition that the height of the weight is not changed are skillfully completed by the matching of a group of parallelogram link mechanisms, the transverse moving oil cylinder and the lifting oil cylinder. The counterweight and the hydraulic station are arranged on the bottom plate, and the horizontal position and the angle of the bottom plate are not changed no matter how the balance crane moves, so that the stability is enhanced, and the safety is improved.

Description

Electric hydraulic power-assisted balance crane

Technical Field

The utility model relates to an electronic hydraulic pressure helping hand is balanced to be hung belongs to balanced technical field that hangs.

Background

The balance crane is mainly used for lifting workpieces or moving objects in local space in a workshop, has the characteristics of flexibility, light weight, low cost and the like, various small balance cranes, pneumatic cranes, mechanical cranes, loop chain cranes, hoisting cranes and the like in the current market are various, but the operation is basically completed by manual pushing, so that the balance crane is very inconvenient and has a great deal of problems in the aspect of safety: the general small-size loop wheel machine all is man-machine mutual helping hand, and work is accomplished by artifical helping hand basically, has man-machine inseparable situation: for example, the manual steering balance movement is adopted, so that the operation is very inconvenient, and more importantly, the workpiece is very likely to slide off to cause injury to people. Secondly, because of not having hydraulic pressure, the auto-lock of motor helping hand makes the loop wheel machine slide by oneself, shift easily in work, has probably caused the injury very much, has increaseed the potential safety hazard, brings inconvenience and loss for production, for the enterprise. The electro-hydraulic power-assisted balance crane has the advantages that the action functions of the electro-hydraulic power-assisted balance crane are controlled by hydraulic pressure and electric power, wireless remote control can be realized in a full-functional mode, man-machine separation, function self-locking and free operation are realized comprehensively, and the electro-hydraulic power-assisted balance crane is an ideal carrying tool.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the defects of the prior art are overcome, and the electro-hydraulic power-assisted balance crane is provided to solve the problems.

The electro-hydraulic power-assisted balance crane comprises a parallelogram link mechanism consisting of a front arm, a big arm, a supporting arm and a connecting arm, wherein the front arm can be used for lifting a hook heavy object, the parallelogram link mechanism is arranged on a bottom plate, and the bottom plate can be horizontally arranged on an upright post in a rotating way;

the piston rod of sideslip hydro-cylinder is connected to the pin joint of support arm and linking arm, and the pin joint can be controlled about by sideslip hydro-cylinder drive, and the piston rod of lift cylinder is connected to the end of big arm, and big arm end can be gone up and down by lift cylinder drive.

The lifting of the weight hung on the front arm of the balance crane and the movement of the horizontal position of the weight under the condition that the height of the weight is not changed are skillfully completed by the matching of a group of parallelogram link mechanisms, the transverse moving oil cylinder and the lifting oil cylinder. Specifically, when the transverse moving oil cylinder is static, the hinge point is static, and the action of the lifting oil cylinder can drive the large arm to move around the hinge point, so that the front arm and the heavy object are driven to lift; when the lifting oil cylinder is static, the transverse moving oil cylinder acts to drive the hinge point to move horizontally, so that the front arm and the heavy object are driven to move horizontally, and the traditional manual pulling is not needed; the transverse moving oil cylinder and the lifting oil cylinder can also be matched to act simultaneously, and the steering of the bottom plate on the upright post realizes the all-directional movement of the hung heavy object.

Pin joint connect sideslip guide roller, sideslip guide roller sets up in the sideslip guide rail, the end-to-end connection lift guide roller of big arm, lift guide roller sets up in lift guide rail. The transverse moving guide rail and the lifting guide rail limit and position the movement of the equipment in the horizontal and vertical directions, and the stability of the equipment is ensured.

The bottom plate pass through bearing room subassembly and stand and rotate and be connected, bearing room subassembly includes the bearing room shell, is equipped with concentric revolving axle with it in the bearing room shell, the revolving axle is fixed on the stand, the bearing room shell is fixed on the bottom plate, is equipped with tapered roller bearing between revolving axle and the bearing room shell. The centering is realized through the rotating shaft, the weight on the upper part of the balance crane is borne by the tapered roller bearing, and the stability and the flexibility of the rotation process of the balance crane are ensured.

Bearing room shell be equipped with concentric gear wheel with it outward, be equipped with servo motor on the stand, servo motor's output shaft pinion, the pinion with the gear wheel mesh mutually. The servo motor is used as a power source for driving the balance crane to steer, the servo motor drives the pinion to rotate, the pinion drives the large gear meshed with the pinion to rotate, and the large gear drives the bearing chamber shell and the bottom plate to rotate, so that the balance crane is steered.

The utility model discloses a hydraulic pressure station and counter weight setting are terminal at the bottom plate, have guaranteed the overall stability of equipment.

Preferably, the support arm on be equipped with the buffering and glue the piece, the buffering is glued the piece and is set up between big arm and support arm, prevents to produce rigid collision between big arm and the support arm in the course of the work.

Compared with the prior art, the utility model beneficial effect who has is:

firstly, through the cooperation of a set of parallelogram link mechanism, sideslip hydro-cylinder and lift cylinder, the lift of the heavy object of having accomplished the forearm of balance crane ingeniously and the removal of heavy object horizontal position under the unchangeable condition of heavy object height (like fig. 2, 3), and the balance among the prior art hangs and does not all have this function, and the balance of prior art hangs and is drawn through the manual work and drag.

And the counterweight and the hydraulic station are arranged on the bottom plate, and the horizontal position and the angle of the bottom plate are not changed no matter how the balance crane moves, so that the stability is enhanced, and the safety is improved. And the counter weight in prior art and the patent all sets up on big arm, and when balanced hanging moved, the position of counter weight was changing constantly, and stability and security are poor.

And thirdly, the full-kinetic energy wireless remote control can be realized, so that an operator can carry workpieces conveniently and freely, and the full-kinetic remote control operation in the whole process is implemented.

And fourthly, manual accompanying is not needed in the whole process of hoisting, carrying and moving, so that the occurrence of dangerous accidents caused by the sliding of workpieces is completely prevented, and the method can better meet the increasingly strict national safety production requirements.

And fifthly, the three functions of workpiece hoisting, balance moving and rotary carrying are all implemented by hydraulic assistance and electric force, so that dangerous actions caused by automatic displacement of the manipulator in the working process are ensured, the manipulator is more stable, and a good foundation is laid for upgrading, improving and promoting an intelligent heavy-weight robot.

And sixthly, various actions are interlocked and self-locked reasonably, so that the safety and the stability of the actions are ensured.

And seventhly, the time and the labor are saved, the efficiency is improved, the energy is saved, the consumption is reduced, and the physical strength of operators is reduced.

Eighthly, the installation is extremely convenient, no space limitation exists, no noise exists, the failure rate is low, and operators can easily learn and understand. The product is suitable for wide industries: the automatic feeding and discharging device is suitable for the requirements of modern industrial production, and is suitable for feeding and discharging, product carrying, product stacking and the like in the aspects of small-sized factory unit production, regional production, modular production, line production and the like.

Drawings

Fig. 1 is one of the schematic internal structural diagrams of the present invention;

FIG. 2 is one of the schematic diagrams of the operation process of the present invention;

FIG. 3 is a second schematic view of the operation process of the present invention;

fig. 4 is a second schematic view of the internal structure of the present invention;

FIG. 5 is a partial enlarged view of portion A of FIG. 4;

fig. 6 is a schematic view of the overall external structure of the present invention.

In the figure: 1. a weight; 2. a forearm; 3. a large arm; 4. a support arm; 5. a connecting arm; 6. a hinge point; 7. transversely moving the oil cylinder; 8. transversely moving the pull rod; 9. a bearing chamber housing; 10. a servo motor; 11. a column; 12. a lifting guide rail; 13. a hydraulic station; 14. a base plate; 15. balancing weight; 16. a lift cylinder; 17. a pinion gear; 18. a bull gear; 19. a tapered roller bearing; 20. a rotating shaft; 21. transversely moving the guide rail; 22. and (5) buffering the rubber block.

Detailed Description

The invention will be further described with reference to the following examples:

as shown in fig. 1 to 6, the electro-hydraulic power-assisted balance crane of the present invention comprises a parallelogram linkage mechanism composed of a front arm 2, a big arm 3, a support arm 4 and a connecting arm 5, wherein the front arm 2 can lift the hook weight 1, the parallelogram linkage mechanism is arranged on a bottom plate 14, and the bottom plate 14 can be horizontally and rotatably arranged on a column 11;

the hinged point 6 of the supporting arm 4 and the connecting arm 5 is connected with a piston rod of the transverse moving oil cylinder 7 through a transverse moving pull rod 8, the hinged point 6 can be driven by the transverse moving oil cylinder 7 to move left and right, the tail end of the large arm 3 is connected with a piston rod of the lifting oil cylinder 16, and the tail end of the large arm 3 can be driven by the lifting oil cylinder 16 to lift.

The hinge point 6 is connected with a transverse moving guide roller which is arranged in a transverse moving guide rail 21, the tail end of the large arm 3 is connected with a lifting guide roller which is arranged in a lifting guide rail 12. The transverse moving guide rail 21 and the lifting guide rail 12 limit and position the movement of the equipment in the horizontal and vertical directions, and the stability of the equipment is ensured.

The bottom plate 14 is rotatably connected with the upright post 11 through a bearing chamber assembly, the bearing chamber assembly comprises a bearing chamber shell 9, a rotating shaft 20 concentric with the bearing chamber shell 9 is arranged in the bearing chamber shell 9, the rotating shaft 20 is fixed on the upright post 11, the bearing chamber shell 9 is fixed on the bottom plate 14, and a tapered roller bearing 19 is arranged between the rotating shaft 20 and the bearing chamber shell 9. The centering is realized through the rotating shaft 20, and the weight of the upper part of the balance crane is borne by the tapered roller bearing 19, so that the stability and the flexibility of the rotation process of the balance crane are ensured.

A gearwheel 18 concentric with the bearing chamber housing 9 is arranged outside the bearing chamber housing 9, a servo motor 10 is arranged on the upright post 11, an output shaft of the servo motor 10 is connected with a pinion 17, and the pinion 17 is meshed with the gearwheel 18.

The hydraulic station 13 and the counterweight 15 of the present embodiment are disposed at the end of the base plate 14.

The supporting arm 4 is provided with a buffer rubber block 22, and the buffer rubber block 22 is arranged between the large arm 3 and the supporting arm 4.

Through the cooperation of a group of parallelogram link mechanisms, the transverse moving oil cylinder 7 and the lifting oil cylinder 16, the lifting of the weight 1 hung on the front arm 2 of the balance crane and the movement of the horizontal position of the weight 1 under the condition that the height of the weight 1 is not changed are skillfully completed (as shown in figures 2 and 3), the balance crane in the prior art does not have the function, and the balance crane in the prior art is pulled manually. Specifically, when the transverse moving oil cylinder 7 is static, the hinge point 6 is static, and the lifting oil cylinder 16 acts to drive the large arm 3 to move around the hinge point 6, so that the front arm 2 and the weight 1 are driven to lift; when the lifting oil cylinder 16 is static, the transverse moving oil cylinder 7 acts to drive the hinge point 6 to move horizontally, so that the front arm 2 and the weight 1 are driven to move horizontally, and the traditional manual pulling is not needed; the traversing oil cylinder 7 and the lifting oil cylinder 16 can also be matched to act simultaneously, and the steering of the bottom plate 14 on the upright post 11 realizes the all-directional movement of the hung heavy object 1.

The counterweight 15 and the hydraulic station 13 are arranged on the bottom plate 14, and the horizontal position and the angle of the bottom plate 14 are not changed no matter how the balance crane moves, so that the stability is enhanced, and the safety is improved. And counter weight 15 in prior art and the patent all sets up on big arm 3, and when balanced hanging moved, the position of counter weight 15 was changing constantly, and stability and security are poor. The servo motor 10 is used as a power source for driving the balance crane to steer, the servo motor 10 drives the pinion 17 to rotate, the pinion 17 drives the gearwheel 18 meshed with the pinion 17 to rotate, and the gearwheel 18 drives the bearing chamber shell 9 and the bottom plate 14 to rotate, so that the balance crane can steer.

The operation function of the device is skillfully designed and equipped by hydraulic and electric power assistance, the device mainly solves the problem of separation operation of man-machine operation, is flexible and convenient, realizes intelligent self-locking by the function of a manipulator, prevents unsafe factors of no artificial self-movement, the multifunctional wireless control system has the advantages that the multifunctional wireless control can be completely realized, workpieces can be randomly hoisted according to the intention of an operator, the system is shifted and stacked, the machine tool is used for multiple process tasks such as blanking, the waste of a single-beam double-beam crown block is replaced, the using frequency of the crown block is reduced, the system is convenient to operate freely, and is safer and more reliable, the system is suitable for regional operation of enterprises, module operation and flow operation, the system can meet the increasingly strict requirements of national safety production, the operating cost and the maintenance cost of the enterprises are reduced, the production efficiency is improved, the occurrence of safety accidents is reduced and reduced, and therefore the system plays a key important role in realizing stable development of the enterprises.

The multifunctional conveying device is suitable for various processes of conveying, stacking and loading and unloading industries of various products such as an assembling process, a smelting process, vehicle-mounted loading and unloading and the like, three specifications of 1000 kilograms, 700 kilograms and 400 kilograms are developed, the radius of a conveying range is 3.5 meters, the conveying range rotates 360 degrees in all directions, and the lifting height is 4 meters. The method and the device can further fully liberate the post-lifting operation of people in severe environments at the utilization value of special enterprises, special posts and special environments, achieve unattended operation, fully fill up the light weight limit of the current robot operation and further improve the equipment manufacturing capability of enterprises.

Claims

1. The utility model provides an electronic hydraulic pressure helping hand balance hangs, includes the parallelogram link mechanism who comprises forearm (2), big arm (3), support arm (4) and linking arm (5), and forearm (2) can lifting hook heavy object (1), its characterized in that: the parallelogram link mechanism is arranged on the bottom plate (14), and the bottom plate (14) can be horizontally and rotatably arranged on the upright post (11);

the hinge point (6) of the supporting arm (4) and the connecting arm (5) is connected with a piston rod of the transverse moving oil cylinder (7), the hinge point (6) can be driven by the transverse moving oil cylinder (7) to move left and right, the tail end of the big arm (3) is connected with a piston rod of the lifting oil cylinder (16), and the tail end of the big arm (3) can be driven by the lifting oil cylinder (16) to lift.

2. The electro-hydraulic power-assisted balance crane according to claim 1, characterized in that: the hinge point (6) is connected with a transverse moving guide roller which is arranged in a transverse moving guide rail (21), the tail end of the large arm (3) is connected with a lifting guide roller which is arranged in a lifting guide rail (12).

3. The electro-hydraulic power-assisted balance crane according to claim 1 or 2, characterized in that: the base plate (14) is rotatably connected with the upright post (11) through a bearing chamber assembly, the bearing chamber assembly comprises a bearing chamber shell (9), a rotating shaft (20) concentric with the bearing chamber shell is arranged in the bearing chamber shell (9), the rotating shaft (20) is fixed on the upright post (11), the bearing chamber shell (9) is fixed on the base plate (14), and a tapered roller bearing (19) is arranged between the rotating shaft (20) and the bearing chamber shell (9).

4. The electro-hydraulic power-assisted balance crane according to claim 3, characterized in that: a large gear (18) concentric with the bearing chamber shell (9) is arranged outside the bearing chamber shell, a servo motor (10) is arranged on the upright post (11), an output shaft of the servo motor (10) is connected with a small gear (17), and the small gear (17) is meshed with the large gear (18).

5. The electro-hydraulic power-assisted balance crane according to claim 1, characterized in that: the tail end of the bottom plate (14) is provided with a hydraulic station (13) and a counterweight (15).

6. The electro-hydraulic power-assisted balance crane according to claim 1, characterized in that: the supporting arm (4) is provided with a buffer rubber block (22), and the buffer rubber block (22) is arranged between the big arm (3) and the supporting arm (4).