CN113998447A

CN113998447A - Slewing device and material grabbing machine

Info

Publication number: CN113998447A
Application number: CN202111234116.8A
Authority: CN
Inventors: 白永涛; 王留步; 文门照
Original assignee: Hunan Sany Port Equipment Co Ltd; Sany Marine Heavy Industry Co Ltd
Current assignee: Hunan Sany Port Equipment Co Ltd; Sany Marine Heavy Industry Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-02-01

Abstract

The application relates to the technical field of safe operation of material grabbing machines, in particular to a rotating device and a material grabbing machine. The turning device includes: a base; the rotary platform is rotatably connected to the base; the guide rail is annularly fixed on the top wall of the base; and the sliding assembly is connected with the rotary platform, is in sliding connection with the guide rail, and is mutually extruded with the guide rail. In the operation process, along with the rotation of rotary platform on the base, rotary platform can drive the slip subassembly and slide on the guide rail, when rotary platform kept away from the one side atress of slip subassembly, the slip subassembly just realizes rotary platform's atress balance through the mutual extrusion with the guide rail, the extrusion force between guide rail and the slip subassembly this moment can be the same with the atress of rotary platform opposite side, with this regard to not just needing alone to increase the balancing weight for rotary platform again, thereby rotary platform's occupation space has effectively been reduced, rotary platform's radius when rotating has just also effectually been reduced.

Description

Slewing device and material grabbing machine

Technical Field

The application relates to the technical field of safe operation of material grabbing machines, in particular to a rotating device and a material grabbing machine.

Background

The material grabbing machine is a device for grabbing materials, mainly comprising an operation platform, grabbing arms and the like, and the grabbing machine is used for grabbing and stacking materials through controlling the grabbing arms in the operation platform and is commonly used in the loading and unloading process of materials such as steel pipes and the like.

Among the prior art, in order to avoid snatching the arm and taking place the problem of toppling snatching, install the balancing weight on operation platform usually, utilize the balancing weight to come the balanced holistic weight of material machine of grabbing to the material of different weights is snatched to the cantilever crane. But the balancing weight can lead to grabbing the holistic radius of gyration of material machine increase, grabs the material machine and will occupy great place space when the operation.

Content of application

In view of this, the application provides a slewer and grab material machine, has solved or has improved and has grabbed the great problem of the higher rate of space occupation of material machine gyration radius when operation.

In a first aspect, the present application provides a swivel device comprising: a base; the rotary platform is rotatably connected to the base; the guide rail is annularly fixed on the top wall of the base; and the sliding assembly is connected with the rotary platform, is in sliding connection with the guide rail, and is mutually extruded with the guide rail.

The utility model provides a slewer that this application first aspect provided, in the operation process, along with revolving platform rotates on the base, revolving platform can drive the slip subassembly and slide on the guide rail, when revolving platform kept away from one side atress of slip subassembly, the slip subassembly just realizes revolving platform's atress balance through the mutual extrusion with the guide rail, the extrusion force between guide rail and the slip subassembly this moment can be the same with the atress of revolving platform opposite side, with this just need not be alone again for revolving platform increases the balancing weight, thereby effectively reduced revolving platform's occupation space, just also effectual radius of gyration when rotating that has reduced revolving platform just.

With reference to the first aspect, in one possible implementation manner, the guide rail includes: the connecting part is fixed on the base; and the balance part is arranged on one side, away from the base, of the connecting part, the bottom wall of the balance part, the side wall of the connecting part and the top wall of the base jointly enclose a balance cavity, the sliding assembly partially extends into the balance cavity, and the sliding assembly and the bottom wall of the balance part are mutually extruded.

With reference to the first aspect, in one possible implementation manner, the guide rail further includes: the strengthening part is fixed on the connecting part and fixedly connected with the base.

With reference to the first aspect, in one possible implementation manner, the sliding assembly includes: the sliding frame is internally provided with a mounting cavity for the guide rail to pass through; and the sliding part is rotatably connected in the mounting cavity and is mutually extruded with the connecting part.

With reference to the first aspect, in one possible implementation manner, the sliding member includes: two sets of first pulleys, two sets of first pulleys set up relatively, just form the confession between two sets of first pulleys the first clearance that connecting portion passed, two sets of first pulleys all with the diapire butt of balancing portion.

With reference to the first aspect, in a possible implementation manner, the sliding member further includes: and a second pulley abutted against the top wall of the balance part, wherein the second pulley is arranged opposite to the first pulley.

With reference to the first aspect, in a possible implementation manner, the sliding assembly further includes: and the support frame is respectively connected with the rotary platform and the sliding frame.

With reference to the first aspect, in one possible implementation manner, the support frame includes: the supporting part is fixedly connected with the outer top wall of the sliding frame; and the bearing part is arranged on the top wall of the supporting part and is connected with the rotary platform.

With reference to the first aspect, in a possible implementation manner, the support frame further includes: and the rib plates are respectively and fixedly connected with the supporting part and the bearing part.

In a second aspect, the present application further provides a material grabbing machine, including: a slewing device as described in the first aspect of the application; and an operation chamber disposed on the rotary platform.

The utility model provides a grab material machine, when snatching the material, utilize the control chamber to carry out the operation that corresponds, when needs are transported the material, utilize the control chamber to control the rotary platform and rotate to drive the material and rotate, thereby realize the transportation of material. In the material transportation process, the stress of the rotary platform is effectively balanced through the matching of the sliding assembly and the guide rail, so that no additional balancing weight is needed, the occupation of the space of the rotary platform is reduced, and the rotary radius of the rotary platform in the rotary process is reduced.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.

Fig. 1 is a schematic cross-sectional view of a turning device according to some embodiments of the present disclosure.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a perspective view of a sliding assembly of a swivel device according to some embodiments of the present disclosure.

Fig. 4 is a schematic perspective view of a material grabbing machine according to some embodiments of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Summary of the application

Grab the material machine and be a material and snatch equipment, the handling in-process of heavy material frequently moves, for example steel etc. and grab the material machine when snatching the material, because the dead weight of material is great, one side of grabbing the material machine can receive great pulling force, in order to avoid grabbing the material machine and tumble, need increase the balancing weight at the opposite side of grabbing the material machine, come to apply the reaction force to the one side of grabbing the material machine and keeping away from the material through the dead weight of balancing weight, in order to ensure to grab the material machine can even running.

In prior art, the balancing weight generally all adopts preparation such as solid cast iron, in order to satisfy sufficient counter weight demand, the volume of balancing weight is all very big usually, when grabbing the material machine after snatching the material, need realize the transportation of material through the mode of gyration, when the gyration, the balancing weight also need turn round in step, and the radius of gyration that leads to whole material machine of grabbing is great, needs to occupy great space in place.

The application provides a pair of slewer and grab material machine, cooperation through utilizing guide rail and sliding assembly, when grabbing the material machine and snatching the material, utilize guide rail extrusion sliding assembly, sliding assembly is applying the pulling force to the material, with this come the balanced pulling force that grabs the material machine and receive in the one side of snatching the material, all set up in grabbing the material machine below through guide rail and sliding assembly, consequently not only can ensure to grab material machine even running, can also remove the balancing weight, thereby effectively reduce and grab the holistic size of material machine, when grabbing the rotation of material machine, the radius of gyration of grabbing the material machine just can effectively reduce.

Exemplary slewing device

Fig. 1 is a schematic cross-sectional view of a turning device according to some embodiments of the present disclosure. Fig. 2 is an enlarged view of a portion a in fig. 1. Referring to fig. 1 and 2, the swing device includes: base 100, rotating platform 110, guide rails 200, and sliding assembly 300. The rotatable platform 110 is rotatably connected to the base 100. The guide rail 200 is circumferentially fixed to the top wall of the base 100. The sliding assembly 300 is connected with the rotary platform 110, the sliding assembly 300 is connected with the guide rail 200 in a sliding manner, and the sliding assembly 300 and the guide rail 200 are mutually extruded.

Specifically, the base 100 may be cast of concrete and have a cylindrical shape as a whole. The guide rail 200 may be partially embedded in the base 100 to fix the guide rail 200 on the top wall of the base 100. The sliding member 300 may be slidably connected to the guide rail 200 in a shape of a half-enclosed structure from top to bottom. Both the guide rail 200 and the sliding assembly 300 may be disposed between the base 100 and the swing platform 110 to further reduce the occupied space.

In operation of the slewing device, the slewing platform 110 may be rotated on the base 100. The sliding members 300 are driven by the rotary platform 110 to rotate synchronously. The sliding assembly 300 is constantly pressed against the guide rail 200 while rotating. When one side of the rotary platform 110 is subjected to a large force, the rotary platform 110 can pull the sliding assembly 300 to further extrude the guide rail 200, the guide rail 200 applies pressure to the sliding assembly 300, the sliding assembly 300 can balance the tensile force of the rotary platform 110 pulling the sliding assembly 300 after being subjected to the pressure of the guide rail 200, and further balance the stress of one side of the rotary platform 110 far away from the sliding assembly 300, so that the stable operation of the rotary platform 110 can be realized, no balancing weight needs to be installed on the rotary platform 110, the rotary radius of the rotary platform 110 during rotation can be effectively reduced, the integral self weight of the rotary platform 110 is also effectively reduced, the problem of insufficient stability is effectively improved, and the operation capability is ensured not to be changed.

Meanwhile, the revolving platform 110 is passively stressed by the cooperation of the sliding assembly 300 and the guide rail 200. I.e., the compression force between the sliding assembly 300 and the guide rail 200, can be always balanced with the tension force applied when the revolving platform 100 transports the material. Therefore, the stress condition of the rotary platform 110 is effectively improved, the risk of loosening the bolts of the rotary platform 110 is reduced, and the safety performance of the rotary platform 110 is improved.

In some embodiments of the present application, the sliding members 300 are provided in pairs, and the two sliding members 300 are disposed diametrically opposite to each other along the guide rail 200. Through the paired arrangement of the sliding assemblies 300, the stress condition of the equipment is effectively balanced, so that the stability of the equipment in the rotating process can be further improved. Specifically, an even number of the sliding assemblies 300 may be provided, and two sliding assemblies may be provided in pairs, and each pair of the sliding assemblies 300 may be oppositely provided in a radial direction of the guide rail 200. It should be understood that the arrangement of the sliding assembly 300 is not limited to the above description, and the specific arrangement may be selected and adjusted according to the actual operation of the device.

In some embodiments of the present application, the guide rails 200 may be provided in plurality, and a plurality of guide rails 200 are distributed along the radial direction of the base 100 in a concentric circle manner, and the sliding assembly 300 is correspondingly increased. Through setting up a plurality of guide rails 200, can improve revolving platform 110's atress upper limit to revolving platform 110 transports the material of bigger dead weight.

Referring to fig. 2, in some embodiments of the present application, a rail 200 includes a connecting portion 210 and a balancing portion 220. The connection portion 210 is fixed to the base 100. The balance portion 220 is disposed on a side of the connection portion 210 away from the base 100, a bottom wall of the balance portion 220, a side wall of the connection portion 210, and a top wall of the base 100 together enclose the balance cavity 230, the sliding assembly 300 partially extends into the balance cavity 230, and the sliding assembly 300 and the bottom wall of the balance portion 220 are pressed against each other.

Specifically, the connecting portion 210 and the balancing portion 220 may be made of steel plates, the connecting portion 210 is integrally fixed to the base 100 in an annular shape, and the connecting portion 210 extends in a vertical direction. The balance portion 220 may be directly welded to the top wall of the connection portion 210, and the balance portion 220 and the connection portion 210 form the guide rail 200 having a T-shaped cross section.

With the T-shaped guide rail 200, when the sliding assembly 300 slides, the bottom wall of the balancing part 220 continuously applies pressure to the sliding assembly 300 to ensure stability of the overall operation.

Referring to fig. 2, in some embodiments of the present application, rail 200 further includes a reinforcement portion 240. The reinforcing portion 240 is fixed to the connecting portion 210, and the reinforcing portion 240 is fixedly connected to the base 100. Specifically, the reinforcing portion 240 may be disposed opposite to the balancing portion 220, and the reinforcing portion 240, the connecting portion 210 and the balancing portion 220 form the guide rail 200 with an i-shaped cross section, and at this time, the reinforcing portion 240 may be directly embedded in the base 100, so as to increase the connection strength between the guide rail 200 and the base 100.

FIG. 3 is a schematic view of a slider assembly according to some embodiments of the present disclosure. Referring to fig. 2 and 3, the sliding assembly 300 includes a sliding frame 310 and a sliding member 320. The sliding frame 310 has a mounting cavity therein through which the guide rail 200 passes. The sliding member 320 is rotatably coupled in the mounting cavity, and the sliding member 320 and the connecting portion 210 are pressed against each other.

Referring to fig. 2 and 3, specifically, the sliding frame 310 may have a cross section shaped like Jiong, and the sliding frame 310 is integrally formed by a steel plate, and a sliding shaft is fixed in the installation cavity, and the sliding member 320 is sleeved on the sliding shaft. Therefore, when the sliding assembly 300 rotates along with the rotary platform 110, the sliding member 320 and the balancing part 220 are pressed against each other, and simultaneously, the sliding member 320 rotates under the action of friction force, thereby reducing the friction force applied to the sliding assembly 300 during the sliding process. Referring to fig. 2 and 3, in some embodiments of the present application, the slider 320 includes two sets of first pulleys 321. The two sets of first pulleys 321 are disposed oppositely, a first gap for the connection portion 210 to pass through is formed between the two sets of first pulleys 321, and the two sets of first pulleys 321 are abutted to the bottom wall of the balance portion 220.

Specifically, each set of first pulleys 321 may include three or another number of first pulleys 321, and the three first pulleys 321 are distributed in the horizontal direction.

Through the two groups of first pulleys 321 respectively extruding with the balance part 220 at the two sides of the connecting part 210, the stress balance of the guide rail 200 can be effectively increased, the possibility of damage to the guide rail 200 can be avoided, the balance of the stress applied by the guide rail 200 to the sliding assembly 300 can be improved, and the stress balance of the sliding assembly 300 can be ensured.

Referring to fig. 2 and 3, in some embodiments of the present application, slider 320 further includes a second pulley 322. The second pulley 322 abuts against the top wall of the balance unit 220, and the second pulley 322 is provided opposite to the first pulley 321. By providing the second pulley 322, the balance part 220 is clamped from both upper and lower sides of the balance part 220 by the cooperation of the first pulley 321 and the second pulley 322, so that the connection strength between the sliding assembly 300 and the guide rail 200 can be improved, and the possibility of separation between the sliding assembly 300 and the cross rail can be reduced.

Referring to fig. 2, in some embodiments of the present application, two sets of second pulleys 322 may be provided, and two sets of second pulleys 322 correspond to two sets of first pulleys 321 one by one, so as to better clamp the balancing part 220.

In some embodiments of the present application, the sliding member 320 may also be a sliding block, i.e., a first sliding block may be provided instead of the first pulley 321, and a second sliding block may be provided instead of the second pulley 322; or only one sliding block may be provided, a sliding groove is formed on the side surface of the sliding block, and the balancing part 220 is slidably connected in the sliding groove.

Referring to fig. 1 and 2, in some embodiments of the present application, the sliding assembly 300 further includes a support bracket 500. The supporting frame 500 is connected to the swing platform 110 and the sliding frame 310, respectively.

Specifically, the size of the support frame 500 may be larger than the size of the sliding frame 310, so that a plurality of sliding frames 310, for example, three sliding frames 310 may be disposed at the same time, and all the sliding frames 310 are fixedly connected to the support frame 500.

By arranging the support frame 500, not only the rotary platform 110 and the sliding frames 310 can be effectively connected together, but also the corresponding number of sliding frames 310 can be arranged according to the actual running condition, so as to ensure the smooth running of the rotary platform 110.

Referring to fig. 2, in some embodiments of the present application, a support stand 500 includes: a support portion 510 and a receptacle portion 520. The support portion 510 is fixedly coupled to the outer top wall of the carriage 310. The receiving portion 520 is disposed on the top wall of the supporting portion 510, and the receiving portion 520 is connected to the rotary platform 110.

Specifically, the supporting portion 510 and the receiving portion 520 are both made of steel plates, and the receiving portion 520 is disposed along the horizontal direction and extends along the extending direction of the guide rail 200. The support portion 510 is welded to the top wall of the socket 520, the support portion 510 extends in the thickness direction of the socket 520, and the other end of the socket 520 is fixed to the rotary platform 110.

When the rotary platform 110 rotates, the rotary platform 110 pulls the support part 510 to rotate, the support part 510 drives the receiving part 520 to rotate, and the receiving part 520 pulls the sliding rack 310 to rotate; when the guide rail 200 presses the sliding member 320, the sliding member 320 acts on the sliding member 310, the sliding member 310 pulls the socket 520, and the socket 520 applies a pulling force to the revolving platform 110 through the supporting portion 510, so as to balance the stress of the revolving platform 110.

Referring to fig. 1, in some embodiments of the present application, the support stand 500 further includes: a rib 530. The rib plate 530 is fixedly connected to the supporting portion 510 and the receiving portion 520, respectively.

Specifically, the rib plate 530 may also be made of a steel plate, the rib plate 530 may be in a triangular shape, and two side edges of the rib plate 530 are welded to the supporting portion 510 and the receiving portion 520, respectively. In order to further reduce the occupied space, the rib plates 530 may be disposed on the inner sidewall of the supporting portion 510, and the third sides of the rib plates 530 may also be connected to the rotating platform 110, so as to improve the connection strength between the supporting frame 500 and the rotating platform 110.

By providing the rib plate 530, the coupling strength between the support part 510 and the receiving part 520 can be improved. The number of the rib plates 530 can be multiple, for example, two or three, the specific number of the rib plates 530 can be selected, and the application does not limit the number of the rib plates 530.

Exemplary material grabbing machine

Fig. 4 is a schematic structural diagram of a material grabbing machine according to some embodiments of the present application. Referring to fig. 4, the grapple machine includes an operation room 400 and a turning device as described in any of the above embodiments. The operation chamber 400 is provided on the turn table 110. The operating room 400 further has an arm support 410 for grasping the material.

When the material grabbing machine operates, the operation chamber 400 is used for operating the arm support 410 to grab materials and rotate the rotary platform 110. In the material transfer process, the stress of the rotary platform 110 is effectively balanced through the matching of the sliding assembly 300 and the guide rail 200, so that no additional balancing weight is needed, the occupation of the space of the rotary platform 110 is reduced, and the rotary radius of the rotary platform 110 in the rotary process is reduced.

Since the material grabbing machine is provided with the rotating device, the material grabbing machine has all the technical effects of the rotating device, and the description is omitted here.

After the balancing weight is removed, the rotary platform 110 may be provided with a corresponding decorative shell 111 made of a plastic stool material to improve the overall aesthetic appearance.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A swivel device, characterized in that it comprises:

a base (100);

the rotary platform (110) is rotatably connected to the base (100);

a guide rail (200) circumferentially fixed to a top wall of the base (100); and

the sliding assembly (300) is connected with the rotary platform (110), the sliding assembly (300) is in sliding connection with the guide rail (200), and the sliding assembly (300) and the guide rail (200) are mutually extruded.

2. The swivel device according to claim 1, characterized in that the guide rail (200) comprises:

a connecting portion (210) fixed to the base (100); and

the balance part (220) is arranged on one side, far away from the base (100), of the connecting part (210), the bottom wall of the balance part (220), the side wall of the connecting part (210) and the top wall of the base (100) jointly enclose a balance cavity (230), the sliding assembly (300) partially extends into the balance cavity (230), and the sliding assembly (300) and the bottom wall of the balance part (220) are mutually extruded.

3. The swivel device according to claim 2, characterized in that the guide rail (200) further comprises:

and the reinforcing part (240) is fixed on the connecting part (210), and the reinforcing part (240) is fixedly connected with the base (100).

4. The swivel device according to claim 2 or 3, characterized in that the sliding assembly (300) comprises:

the sliding frame (310) is internally provided with a mounting cavity for the guide rail (200) to pass through; and

the sliding piece (320) is rotatably connected in the mounting cavity, and the sliding piece (320) and the connecting part (210) are mutually extruded.

5. The swivel device according to claim 4, characterized in that the slide (320) comprises:

two sets of first pulley (321), two sets of first pulley (321) set up relatively, just form the confession between two sets of first pulley (321) the first clearance that connecting portion (210) passed, two sets of first pulley all with the diapire butt of balancing part (220).

6. The swivel device according to claim 5, characterized in that the slide (320) further comprises:

and a second pulley (322) that abuts against the top wall of the balance section (220), wherein the second pulley (322) is provided so as to face the first pulley (321).

7. The swivel device according to claim 5, characterized in that the sliding assembly (300) further comprises:

and the support frame (500) is respectively connected with the rotary platform (110) and the sliding frame (310).

8. The swivel device of claim 7, characterized in that the support frame (500) comprises:

a support (510) fixedly connected to an outer top wall of the carriage (310); and

and the bearing part (520) is arranged on the top wall of the supporting part (510), and the bearing part (520) is connected with the rotary platform (110).

9. The swivel device of claim 8, characterized in that the support frame (500) further comprises:

and rib plates (530) fixedly connected with the supporting part (510) and the bearing part (520) respectively.

10. A material grabbing machine, characterized in that the material grabbing machine comprises:

the swivel device of any one of claims 1 to 9; and

an operation chamber (400) disposed on the rotary platform (520).