CN211444734U

CN211444734U - Single-cylinder connecting rod type hydraulic grab bucket

Info

Publication number: CN211444734U
Application number: CN201922343858.9U
Authority: CN
Inventors: 刘冲; 刘禹
Original assignee: Xuzhou Babu Construction Machinery Co ltd
Current assignee: Xuzhou Babu Construction Machinery Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-08
Anticipated expiration: 2029-12-24

Abstract

The utility model belongs to the technical field of machinery, especially, be a hopper is grabbed to single cylinder connecting rod formula hydraulic pressure, including the mounting panel, the mounting panel is through first hexagon socket head cap screw and car hoist body fixed connection, and the front end surface of mounting panel is provided with the pneumatic cylinder, and the lower extreme swing joint of pneumatic cylinder has the piston rod, and the spout has all been seted up in the front that the both sides of piston rod just are located the mounting panel, and the inside swing joint of spout has the slider, and the rear end surface of slider articulates there is the head rod, and the two sets of arms that snatch of bilateral symmetry fixedly connected with of mounting panel snatch. The utility model discloses an automation of object snatchs or the unloading, adopts single cylinder connecting rod formula structure, and the simple weight of mechanism is light, and the hopper is nearly circular, and it is comparatively convenient to grab to put crops such as palm fruit, has solved and has adopted a plurality of pneumatic cylinders to carry out the simultaneous working, snatchs the mechanism too in complicacy, the too high problem of cost.

Description

Single-cylinder connecting rod type hydraulic grab bucket

Technical Field

The utility model relates to the technical field of machinery, specifically be a single cylinder connecting rod formula hydraulic pressure grab bucket.

Background

The grab bucket is a special tool for grabbing dry and scattered goods by a crane. Two or more openable bucket-shaped jaws are combined together to form an object containing space, the jaws are closed in a material pile during loading, materials are grabbed into the object containing space, the jaws are opened in a suspended state above the material pile during unloading, the materials are scattered on the material pile, and the opening and closing of the jaws are generally controlled by a steel wire rope of a crane hoisting mechanism. When the grab bucket works, no heavy physical labor is needed, higher loading and unloading efficiency can be achieved, safety is ensured, and the grab bucket is a main loading and unloading tool for dry and bulk cargos in ports. However, the existing hydraulic grab bucket has the following problems:

1. a plurality of hydraulic cylinders are adopted to work simultaneously, the grabbing mechanism is too complicated, and the manufacturing cost is too high;

2. snatch unstability, there is the unstable phenomenon of connection at fortune material removal in-process, and work rusts easily under adverse circumstances.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a single cylinder connecting rod formula hydraulic pressure grab hopper has solved and has adopted a plurality of pneumatic cylinders to carry out simultaneous working, snatchs the mechanism too in complicacy, and the cost is too high and snatch the unstability, has to connect unstable phenomenon at fortune material removal in-process, the easy rusty problem of work under adverse circumstances.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hopper is grabbed to single cylinder connecting rod formula hydraulic pressure, includes the mounting panel, the mounting panel is through first hexagon socket head cap screw and car crane body fixed connection, the front end surface of mounting panel is provided with the pneumatic cylinder, the lower extreme swing joint of pneumatic cylinder has the piston rod, the spout has all been seted up in the both sides of piston rod and the front that is located the mounting panel, the inside swing joint of spout has the slider, the rear end surface of slider articulates there is the head rod, the bilateral symmetry fixedly connected with of mounting panel is two sets of arms that snatch, the one end of snatching the arm is provided with the second connecting rod, hexagon socket head cap screw fixedly connected with installation piece is passed through in the second to the positive one end of second connecting rod, one side welded fastening of installation piece has the welded plate, the one end welded fastening that the installation piece was kept.

As a preferred technical scheme of the utility model, the shape of slider is "T" shape, the piston rod is kept away from the one end surface of pneumatic cylinder and is provided with the external screw thread, and the piston rod passes through external screw thread and slider threaded connection.

As an optimal technical scheme of the utility model, it is fixed with the both sides of mounting panel through the welding to snatch the arm, the top that is located the head rod that snatchs the arm.

As a preferred technical scheme of the utility model, the one end that the slider was kept away from to the head rod is through round pin axle swing joint with the front of second connecting rod, and the second connecting rod through the round pin axle with snatch arm swing joint.

As an optimal technical scheme of the utility model, it is two sets of the bottom of second connecting rod is respectively with the top of first grab hopper and the top welded fastening of second grab hopper, the shape of welded plate is trapezoidal.

As an optimal technical scheme of the utility model, the shape of first grab hopper and second grab hopper is nearly semi-circular, and the surface of first grab hopper and second grab hopper all is provided with the galvanizing coat.

As an optimal technical scheme of the utility model, the inside all coating of first grab bucket and second grab bucket has the skid resistant course, the material of skid resistant course is rubber materials.

Compared with the prior art, the utility model provides a single cylinder connecting rod formula hydraulic pressure grab bucket possesses following beneficial effect:

1. the single-cylinder connecting rod type hydraulic grab bucket can be connected with a crane through the arranged mounting plate, so that the grab bucket is convenient to detach, replace and clean; meanwhile, when an object is grabbed, the hydraulic cylinder can be started to work, the sliding block connected with one end of the piston rod is pushed to slide in the sliding groove, the first connecting rod at the rear end of the sliding block drives the second connecting rod to contract, so that the first grabbing hopper and the second grabbing hopper at the two ends of the grabbing arm are opened or closed, and the object is automatically grabbed or blanked;

2. this single cylinder connecting rod formula hydraulic pressure grab bucket, mutually supporting of the welded plate and the installation piece of setting, can be tight carry out fixed connection with grabbing the hopper with grabbing the arm, stability has been improved, it is unstable to have solved and snatch, there is the unstable problem of connection in the fortune material removal in-process, the galvanizing coat that sets up simultaneously, can prevent to grab the hopper phenomenon that rusty corrosion appears, make grab the hopper can adapt to the work under the multiple adverse circumstances, the skid resistant course of setting can improve goods and grab the inside frictional force of hopper, conveniently snatch, and can cushion the goods and snatch the effort between the arm.

Drawings

Fig. 1 is a schematic view of the overall structure of a single-cylinder connecting rod type hydraulic grab bucket of the present invention;

fig. 2 is a schematic structural view of a first material grabbing bucket of the single-cylinder connecting rod type hydraulic material grabbing bucket of the present invention;

fig. 3 is a schematic structural view of a second material grabbing bucket of the single-cylinder connecting rod type hydraulic material grabbing bucket of the present invention;

fig. 4 is the enlarged view of fig. 1A of the single-cylinder connecting rod type hydraulic grabbing bucket of the utility model.

In the figure: 1. mounting a plate; 2. a first hexagon socket head cap screw; 3. a hydraulic cylinder; 4. a piston rod; 5. a chute; 6. a slider; 7. a gripper arm; 8. a first connecting rod; 9. a second connecting rod; 10. welding the plate; 11. mounting blocks; 12. a second hexagon socket screw; 13. a first grab bucket; 14. a second material grabbing bucket; 15. a zinc coating layer; 16. and an anti-slip layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: a single-cylinder connecting rod type hydraulic grabbing bucket comprises a mounting plate 1, wherein the mounting plate 1 is fixedly connected with a car crane body through a first inner hexagonal bolt 2, the grabbing bucket can be connected with a crane, the dismounting, the replacement and the cleaning are convenient, a hydraulic cylinder 3 is arranged on the outer surface of the front end of the mounting plate 1, a piston rod 4 is movably connected to the lower end of the hydraulic cylinder 3, sliding grooves 5 are respectively formed in two sides of the piston rod 4 and positioned on the front surface of the mounting plate 1, a sliding block 6 is movably connected to the inner part of each sliding groove 5, a first connecting rod 8 is hinged to the outer surface of the rear end of each sliding block 6, two groups of grabbing arms 7 are symmetrically and fixedly connected to two sides of the mounting plate 1, a second connecting rod 9 is arranged at one end of each grabbing arm 7, a mounting block 11 is fixedly connected to one end of the front surface of each second connecting rod 9 through a second inner hexagonal bolt 12, a welding plate 10 is fixedly welded, when snatching the object, pneumatic cylinder 3 work can be opened, promote slider 6 that 4 one ends of piston rod are connected and slide in spout 5, the head rod 8 of slider 6 rear end drives second connecting rod 9 and takes place the shrink, make and snatch the first hopper 13 of grabbing in arm 7 both ends and grab hopper 14 with the second and open or close, the automation that has realized the object snatchs or the unloading, adopt single cylinder connecting rod formula structure, the simple weight of mechanism is light, the hopper is nearly circular, it is comparatively convenient to grab and put crops such as palm fruit, the adoption of a plurality of pneumatic cylinders 3 carries out the simultaneous working has been solved, it is too complicated to snatch the mechanism, the too high problem of cost.

In the embodiment, the slide block 6 is in a T shape, an external thread is arranged on the surface of one end, away from the hydraulic cylinder 3, of the piston rod 4, and the piston rod 4 is in threaded connection with the slide block 6 through the external thread, so that the piston rod 4 is fixed conveniently; the grabbing arm 7 is fixed with the two sides of the mounting plate 1 through welding, and the grabbing arm 7 is positioned above the first connecting rod 8; one end of the first connecting rod 8, which is far away from the sliding block 6, is movably connected with the front surface of the second connecting rod 9 through a pin shaft, and the second connecting rod 9 is movably connected with the grabbing arm 7 through the pin shaft, so that the first connecting rod 8 drives the second connecting rod 9 to perform telescopic motion, and the overall connectivity is strong; the bottoms of the two groups of second connecting rods 9 are respectively welded and fixed with the top of the first grab bucket 13 and the top of the second grab bucket 14, and the welding plate 10 is trapezoidal in shape, so that the grab buckets can be conveniently installed; the shapes of the first grabbing bucket 13 and the second grabbing bucket 14 are both approximate semi-circles, so that the grabbing and placing of crops such as palm fruits are convenient, and the galvanized layers 15 are arranged on the outer surfaces of the first grabbing bucket 13 and the second grabbing bucket 14, so that the grabbing buckets can be prevented from rusting and corroding, and can adapt to work in various severe environments; the anti-slip layer 16 is coated inside the first grabbing hopper 13 and the second grabbing hopper 14, the anti-slip layer 16 is made of rubber materials, friction force between goods and the inside of the grabbing hoppers can be improved, grabbing is convenient, and acting force between the goods and the grabbing arms 7 can be buffered.

The utility model discloses a theory of operation and use flow: during the use, earlier with mounting panel 1 and loop wheel machine fixed connection through first hexagon socket head cap screw 2, snatch the object, pneumatic cylinder 3 work can be opened, promote slider 6 that 4 one ends of piston rod are connected and slide in spout 5, the head rod 8 of slider 6 rear end drives second connecting rod 9 and takes place the shrink, make and snatch the first hopper 13 of grabbing of arm 7 both ends and grab hopper 14 and open or close, the automation of having realized the object is snatched or the unloading, adopt single cylinder connecting rod formula structure, the simple weight of mechanism is light, the hopper is nearly circular, it is comparatively convenient to grab and put crops such as palm fruit, the adoption of a plurality of pneumatic cylinders 3 carries out simultaneous working, it is too complicated to snatch the mechanism, the too high problem of cost.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a single cylinder connecting rod formula hydraulic pressure grabs hopper, includes mounting panel (1), its characterized in that: the mounting plate (1) is fixedly connected with a truck crane body through a first inner hexagonal bolt (2), a hydraulic cylinder (3) is arranged on the outer surface of the front end of the mounting plate (1), a piston rod (4) is movably connected to the lower end of the hydraulic cylinder (3), sliding grooves (5) are formed in the two sides of the piston rod (4) and located in the front of the mounting plate (1), a sliding block (6) is movably connected to the inner portion of each sliding groove (5), a first connecting rod (8) is hinged to the outer surface of the rear end of each sliding block (6), two groups of grabbing arms (7) are symmetrically and fixedly connected to the two sides of the mounting plate (1), a second connecting rod (9) is arranged at one end of each grabbing arm (7), a mounting block (11) is fixedly connected to one end of the front of each second connecting rod (9) through a second inner hexagonal bolt (12), and a welding plate (10), and a first grabbing bucket (13) and a second grabbing bucket (14) are fixedly welded at one end, far away from the mounting block (11), of the welding plate (10).

2. The single cylinder link hydraulic grab bucket of claim 1, wherein: the shape of slider (6) is "T" shape, the piston rod (4) is kept away from the terminal surface of pneumatic cylinder (3) and is provided with the external screw thread, and piston rod (4) pass through external screw thread and slider (6) threaded connection.

3. The single cylinder link hydraulic grab bucket of claim 1, wherein: the grabbing arm (7) is fixed to the two sides of the mounting plate (1) through welding, and the grabbing arm (7) is located above the first connecting rod (8).

4. The single cylinder link hydraulic grab bucket of claim 1, wherein: one end, far away from the sliding block (6), of the first connecting rod (8) is movably connected with the front face of the second connecting rod (9) through a pin shaft, and the second connecting rod (9) is movably connected with the grabbing arm (7) through a pin shaft.

5. The single cylinder link hydraulic grab bucket of claim 1, wherein: the bottoms of the two groups of second connecting rods (9) are respectively welded and fixed with the top of the first grabbing hopper (13) and the top of the second grabbing hopper (14), and the welding plate (10) is trapezoidal.

6. The single cylinder link hydraulic grab bucket of claim 1, wherein: the shape of the first grabbing hopper (13) and the shape of the second grabbing hopper (14) are both approximate semi-circles, and the outer surfaces of the first grabbing hopper (13) and the second grabbing hopper (14) are both provided with a zinc coating (15).

7. The single cylinder link hydraulic grab bucket of claim 1, wherein: the anti-skidding materials are coated on the inner portions of the first grabbing hopper (13) and the second grabbing hopper (14), and the anti-skidding materials are rubber materials (16).