CN219670028U - Crane rotary hydraulic driving device - Google Patents

Abstract

The utility model relates to the technical field of crane rotation driving, and discloses a crane rotation hydraulic driving device which comprises a base and a mounting seat, wherein a rectangular groove is formed in the top of the base, a rotating rod is vertically and rotatably arranged in the center of the bottom in the rectangular groove, the top end of the rotating rod is fixedly arranged in the center of the bottom of the mounting seat, a rotating mechanism for rotating the rotating rod is arranged in the rectangular groove, a plurality of second sliding columns are fixedly arranged at the bottom of the mounting seat and uniformly distributed in an annular shape at equal intervals, a second annular groove is formed in the top of the base, a plurality of second sliding columns slide in the second annular groove, and a crane is fixedly arranged at the top of the mounting seat. According to the utility model, through the arrangement of the three gears, the connecting block and the movable rod, the gears meshed with the racks can be replaced, so that the situation that the racks are always meshed with one gear to cause accelerated abrasion of the gears and reduce the service life is avoided, and the use effect of the equipment is improved.

Description

Crane rotary hydraulic driving device

Technical Field

The utility model relates to the technical field of crane rotation driving, in particular to a crane rotation hydraulic driving device.

Background

The crane is also called as a ship crane and a ship crane, is a large deck machine on a ship, is equipment for loading and unloading cargoes on the ship, is a loading and unloading equipment commonly used on the ship, and is divided into: the three types of straight arm, telescopic arm and folding arm are divided into: manual, electric, hydraulic.

At present, a crane rotation hydraulic driving device is usually driven to rotate by directly using a gear motor and a gear, but because the crane is heavy and is always driven by using a gear, the crane rotation hydraulic driving device is easy to accelerate the abrasion of the gear to cause damage and can not be rotated, so that a crane rotation hydraulic driving device needs to be redesigned to solve the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a crane rotation hydraulic driving device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a crane slewing hydraulic drive apparatus comprising:

the base is provided with a rectangular groove at the top, a rotating rod is vertically and rotatably arranged at the center of the bottom in the rectangular groove, the top end of the rotating rod is fixedly arranged at the center of the bottom of the mounting seat, and a rotating mechanism for rotating the rotating rod is arranged in the rectangular groove;

the mounting seat, mounting seat bottom fixed mounting has the second traveller, and the second traveller has a plurality ofly and be annular equidistant evenly distributed, the second ring channel has been seted up at the base top, and a plurality of second travellers all slide in second ring channel inside.

As a further technical scheme of the utility model, the top of the mounting seat is fixedly provided with the crane.

As a further aspect of the present utility model, the rotation mechanism includes: the device comprises three gears, a connecting block and a hydraulic telescopic rod, wherein the three gears are all sleeved on the surface of a rotating rod in a sliding mode, and a fixing ring is fixedly installed between every two adjacent gears.

As a further technical scheme of the utility model, a vertical groove is vertically formed on one side of the rotating rod, three clamping blocks are arranged in the vertical groove in a sliding mode, and the top ends of the three clamping blocks are fixedly arranged on the inner walls of the three gears respectively.

As a further technical scheme of the utility model, the hydraulic telescopic rod is horizontally and fixedly arranged on one side of the inside of the rectangular groove, the output shaft of the hydraulic telescopic rod is fixedly provided with the connecting plate, one side of the connecting plate is fixedly provided with the rack, and the rack is meshed with the gear.

As a further technical scheme of the utility model, the connecting block slides at the bottom in the rectangular groove, an electric telescopic rod is horizontally and fixedly arranged at the bottom in the rectangular groove, and an output shaft of the electric telescopic rod is arranged at one side of the connecting block.

As a further technical scheme of the utility model, the top of the connecting block is rotatably provided with the movable rod, the other end of the movable rod is rotatably provided with the first sliding column, the bottom of the gear positioned below is provided with the first annular groove, and the first sliding column slides in the first annular groove.

The beneficial effects of the utility model are as follows:

this crane gyration hydraulic drive device through the setting of three gears, joint piece and movable rod, can change with rack-meshed gear, has avoided the rack always with a gear engagement, leads to the gear to accelerate wearing and tearing reduction life's condition to take place, and then has improved the result of use of this equipment.

Drawings

Fig. 1 is a schematic structural diagram of a crane rotation hydraulic driving device provided by the utility model;

fig. 2 is a schematic diagram of a base structure of a crane rotation hydraulic driving device according to the present utility model;

FIG. 3 is a schematic diagram of a rotating rod and its connection structure of a crane rotation hydraulic driving device according to the present utility model;

fig. 4 is a schematic diagram of a separation structure of a base and a mounting seat of a crane rotary hydraulic driving device provided by the utility model;

fig. 5 is an enlarged schematic view of a portion a in fig. 3.

In the figure: 1. a base; 2. a mounting base; 3. a crane; 4. rectangular grooves; 5. a rotating rod; 6. a connecting plate; 7. a rack; 8. a hydraulic telescopic rod; 9. a movable rod; 10. a gear; 11. a fixing ring; 12. an electric telescopic rod; 13. a joint block; 14. a clamping block; 15. a first annular groove; 16. a first strut; 17. a second annular groove; 18. a second strut; 19. vertical grooves.

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.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 5, a crane slewing hydraulic drive device includes: the base 1 and mount pad 2, rectangular groove 4 has been seted up at base 1 top, and the vertical rotation in bottom center department in rectangular groove 4 installs bull stick 5, bull stick 5 top fixed mounting is in the bottom center department of mount pad 2, and rectangular groove 4 inside is equipped with the slewing mechanism who is used for rotating bull stick 5, mount pad 2 bottom fixed mounting has second traveller 18, and second traveller 18 has a plurality of and is annular equidistant evenly distributed, second ring channel 17 has been seted up at base 1 top, and a plurality of second traveller 18 all slide in second ring channel 17 inside, mount pad 2 top fixed mounting has crane 3, through the setting of second traveller 18 and second ring channel 17, can carry out spacingly to mount pad 2, the crane 3 stability when gyration has been guaranteed.

Referring to fig. 2 and 3, in a preferred embodiment, the rotation mechanism includes: gear 10, link up piece 13 and hydraulic telescoping rod 8, gear 10 has three, and three gear 10 all slip cup joints in bull stick 5 surface, equal fixed mounting has solid fixed ring 11 between two adjacent gears 10, vertical groove 19 has been seted up on bull stick 5 one side vertically, and the inside slip of vertical groove 19 has three fixture block 14, three fixture block 14 top is fixed mounting respectively in three gear 10 inner wall, hydraulic telescoping rod 8 horizontal fixed mounting is in the inside one side of rectangle recess 4, and the output shaft fixed mounting of hydraulic telescoping rod 8 has connecting plate 6, connecting plate 6 one side fixed mounting has rack 7, and rack 7 and gear 10 meshing, through the setting of rotary mechanism order for gyration to the crane 3, in addition through the setting of vertical groove 19 and fixture block 14, be used for making gear 10 can rotate and slide in the vertical direction.

Referring to fig. 4 and 5, in a preferred embodiment, the engagement block 13 slides on the inner bottom of the rectangular groove 4, and the electric telescopic rod 12 is fixedly installed horizontally on the inner bottom of the rectangular groove 4, the output shaft of the electric telescopic rod 12 is installed on one side of the engagement block 13, the movable rod 9 is rotatably installed on the top of the engagement block 13, the first sliding column 16 is rotatably installed on the other end of the movable rod 9, the first annular groove 15 is provided on the bottom of the gear 10 located below, and the first sliding column 16 slides in the first annular groove 15, and through the arrangement of the first sliding column 16 and the first annular groove 15, the gear 10 is used for connecting the lowermost gear 10, and the gear 10 can slide in the vertical direction.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: when needs rotate to crane 3, drive connecting plate 6 through hydraulic telescoping rod 8 and remove, connecting plate 6 removes and can drive rack 7 and remove, rack 7 removes and can drive the gear 10 of meshing and remove, gear 10 of meshing removes and can drive fixture block 14 and bull stick 5 rotation, bull stick 5 rotates and can drive mount pad 2 and crane 3 rotation, thereby can accomplish the gyration to crane 3, still accessible electric telescoping rod 12 drives joint piece 13 and removes, joint piece 13 removes and can drive movable rod 9 and remove, movable rod 9 removes and can drive first traveller 16 and remove, through the setting of two solid fixed rings 11, make first traveller 16 remove and can drive three gear 10 and remove, further convertible and rack 7 meshed gear 10, the wearing and tearing to gear 10 have been reduced, the stability of crane 3 gyration has been improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. A crane slewing hydraulic drive device, comprising:

the base (1), rectangular groove (4) has been seted up at base (1) top, and the vertical rotation in bottom center department in rectangular groove (4) installs bull stick (5), bull stick (5) top fixed mounting is in mount pad (2) bottom center department, and is equipped with the slewing mechanism who is used for rotating bull stick (5) in rectangular groove (4) inside;

the mounting seat (2), mounting seat (2) bottom fixed mounting has second traveller (18), and second traveller (18) have a plurality ofly and be annular equidistant evenly distributed, second ring channel (17) have been seted up at base (1) top, and a plurality of second traveller (18) all slide in second ring channel (17) inside.

2. The crane rotary hydraulic driving device according to claim 1, wherein the crane (3) is fixedly installed at the top of the installation seat (2).

3. The crane slewing hydraulic drive device according to claim 1, wherein the rotating mechanism comprises: gear (10), linking piece (13) and hydraulic telescoping rod (8), gear (10) have three, and three gear (10) all slip cup joint in bull stick (5) surface, adjacent two all fixed mounting has solid fixed ring (11) between gear (10).

4. The crane rotary hydraulic driving device according to claim 3, wherein a vertical groove (19) is vertically formed in one side of the rotating rod (5), three clamping blocks (14) are sliding in the vertical groove (19), and the top ends of the three clamping blocks (14) are fixedly mounted on the inner walls of the three gears (10) respectively.

5. The crane rotary hydraulic driving device according to claim 4, wherein the hydraulic telescopic rod (8) is horizontally and fixedly arranged on one side inside the rectangular groove (4), the output shaft of the hydraulic telescopic rod (8) is fixedly provided with the connecting plate (6), one side of the connecting plate (6) is fixedly provided with the rack (7), and the rack (7) is meshed with the gear (10).

6. The crane rotary hydraulic driving device according to claim 5, wherein the engagement block (13) slides on the inner bottom of the rectangular groove (4), and an electric telescopic rod (12) is fixedly installed on the inner bottom of the rectangular groove (4) horizontally, and an output shaft of the electric telescopic rod (12) is installed on one side of the engagement block (13).

7. The crane rotary hydraulic driving device according to claim 6, wherein the movable rod (9) is rotatably mounted at the top of the engagement block (13), the first sliding column (16) is rotatably mounted at the other end of the movable rod (9), the first annular groove (15) is formed at the bottom of the gear (10) located below, and the first sliding column (16) slides in the first annular groove (15).