Replaceable clamping jaw overturning lifting appliance for slewing bearing

Abstract

The utility model discloses a replaceable clamping jaw turnover lifting appliance for slewing bearing, which comprises two symmetrical telescopic connecting rod groups, the two symmetrical telescopic connecting rod groups are rotatably connected through a rotating shaft, the two telescopic connecting rod groups can be folded through rotation, the tail ends of the two telescopic connecting rod groups are respectively provided with a slideway frame, and the slideway frames are connected with the telescopic connecting rod groups. The sliding way frames are in an L shape, the corners of the two sliding way frames are rotationally connected with the corresponding telescopic connecting rod sets through shafts, sliding grooves are formed in the positions, located at the shafts, of one ends of the sliding way frames, and the shafts slide in the sliding grooves. And the other end of the slide way frame is provided with an overturning clamping jaw assembly for clamping and limiting the slewing bearing. The utility model discloses a turnover lifting appliance with a replaceable clamping jaw, which is used for a slewing bearing, and can finish the turnover action of a product through three-step operation of lifting, turnover and descending separation without heightening a product bolt sleeve lifting belt.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping, in particular to a turnover hanger with replaceable clamping claws for a slewing bearing. Background Art

[0002] The slewing bearing is a traditional slewing mechanism that plays a very important role and position in the construction machinery industry. The slewing bearing often needs to be turned over during processing and assembly. The conventional turning method of the slewing bearing is: the product is fastened with a sling, the crane is raised, the product is raised, the product is turned over, and then the crane is lowered to complete the turning. This turning method has the following disadvantages:

[0003] When the product is placed on a surface without a platform, the product needs to be raised before it can be fastened with a sling, so the product needs to be lifted and raised before turning it over; the steps are cumbersome and inefficient.

[0004] Before turning over, when the crane is lifted up, the other end of the product is in direct contact with the work surface, and the product is easily scratched during the lifting process;

[0005] During the turning process, in order to tilt the product, the operator needs to adjust the front and rear direction of the vehicle. The operation is complicated;

[0006] After turning over, the product still needs to be raised to loosen the straps on the product. The steps are cumbersome and inefficient. Utility Model Content

[0007] The purpose of the utility model is to solve the problems of the above-mentioned background technology and to provide a reversing hanger with replaceable claws for a slewing bearing.

[0008] The purpose of the utility model can be achieved through the following technical solutions:

[0009] A replaceable claw flip hanger for a slewing bearing, comprising two symmetrical telescopic link groups, the two symmetrical telescopic link groups are rotatably connected by a rotating shaft, the two telescopic link groups can be folded by rotation, the tail ends of the two telescopic link groups are respectively provided with a slide frame, the slide frame is "L" shaped, the corners of the two slide frames are rotatably connected to the corresponding telescopic link groups by shafts, one end of the slide frame is located at the shaft and a slide groove is provided, the shaft slides in the slide groove, and the other end of the slide frame is installed with a flip claw assembly for clamping and limiting the slewing bearing.

[0010] As a further solution of the utility model: the two slide racks are respectively a first slide rack and a second slide rack, and the first slide rack and the second slide rack slide in cooperation with each other through a shaft.

[0011] As a further solution of the utility model: the flip claw assembly includes a shaft body and a flip claw, the front end of the shaft body is provided with a socket, the rear end of the flip claw is fixed with a connecting pin, and the connecting pin can be inserted into the socket.

[0012] As a further solution of the utility model: a magnet is embedded in the socket, and the connecting pin is made of metal.

[0013] As a further solution of the utility model: the shaft body outer sleeve is provided with a shaft sleeve, and the shaft body is rotatably connected to the shaft sleeve via a deep groove ball bearing.

[0014] As a further solution of the utility model: an external retaining spring is also arranged on the shaft body.

[0015] As a further solution of the utility model: the flip claw comprises a claw body, a claw limiter for supporting the slewing bearing is installed on the claw body, and a rubber pad is installed on the side of the claw body that contacts the slewing bearing.

[0016] Beneficial effects of the utility model: The application discloses a replaceable claw flip sling used for a slewing bearing, which can complete the product flipping action in three steps of lifting, flipping, and lowering and disengaging, without raising the product bolt sleeve sling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the flip claw assembly of the utility model;

[0020] Figure 3 It is a schematic diagram of the utility model clamping the slewing bearing.

[0021] In the figure: 201, flip claw assembly; 202, first slide frame; 203, connecting ring; 204, second slide frame; 205, telescopic connecting rod group limiter; 206, telescopic connecting rod group; 207, shoulder screw; 301, first deep groove ball bearing; 302, bushing; 303, external retaining spring; 304, shaft body; 305, second deep groove ball bearing; 306, magnet; 307, flip claw; 371, connecting pin; 372, claw body; 373, claw limiter; 374, rubber pad; 4, slewing bearing. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] For example, see Figure 1-3 As shown, the utility model is a replaceable claw flip hanger for a slewing bearing, comprising two symmetrical telescopic link groups 206, the two symmetrical telescopic link groups 206 are rotatably connected by a rotating shaft, the two telescopic link groups 206 can be folded by rotation, the tail ends of the two telescopic link groups 206 are respectively provided with a slide frame, the slide frame is "L" shaped, the corners of the two slide frames are rotatably connected to the corresponding telescopic link groups 206 through an axis, one end of the slide frame is located at the axis and a slide groove is provided, the axis slides in the slide groove, and the other end of the slide frame is installed with a flip claw assembly 201 for clamping and limiting the slewing bearing 4. The two slide frames are respectively a first slide frame 202 and a second slide frame 204, and the first slide frame 202 and the second slide frame 204 slide with each other through the axis.

[0024] For example 2, please refer to Figure 1-3 As shown, the utility model is a replaceable claw flip hanger for a slewing bearing, comprising two symmetrical telescopic link groups 206, the two symmetrical telescopic link groups 206 are rotatably connected by a rotating shaft, the two telescopic link groups 206 can be folded by rotation, the tail ends of the two telescopic link groups 206 are respectively provided with a slide frame, the slide frame is "L" shaped, the corners of the two slide frames are rotatably connected to the corresponding telescopic link groups 206 through an axis, one end of the slide frame is located at the axis and a slide groove is provided, the axis slides in the slide groove, and the other end of the slide frame is installed with a flip claw assembly 201 for clamping and limiting the slewing bearing 4. The two slide frames are respectively a first slide frame 202 and a second slide frame 204, and the first slide frame 202 and the second slide frame 204 slide with each other through the axis.

[0025] The flip claw assembly 201 includes a shaft body 304 and a flip claw 307 . A plug hole is provided at the front end of the shaft body 304 . A connecting pin 371 is fixed at the rear end of the flip claw 307 . The connecting pin 371 can be inserted into the plug hole.

[0026] A magnet 306 is embedded in the socket, and the connecting pin 371 is made of metal.

[0027] For example 3, please refer to Figure 1-3 As shown, the utility model is a replaceable claw flip hanger for a slewing bearing 4, comprising two symmetrical telescopic link groups 206, the two symmetrical telescopic link groups 206 are rotatably connected by a rotating shaft, the two telescopic link groups 206 can be folded by rotation, the tail ends of the two telescopic link groups 206 are respectively provided with a slide frame, the slide frame is "L" shaped, the corners of the two slide frames are rotatably connected to the corresponding telescopic link groups 206 through an axis, one end of the slide frame is located at the axis and a slide groove is provided, the axis slides in the slide groove, and the other end of the slide frame is installed with a flip claw assembly 201 for clamping and limiting the slewing bearing 4. The two slide frames are respectively a first slide frame 202 and a second slide frame 204, and the first slide frame 202 and the second slide frame 204 slide with each other through the axis.

[0028] The flip claw assembly 201 includes a shaft body 304 and a flip claw 307 . A plug hole is provided at the front end of the shaft body 304 . A connecting pin 371 is fixed at the rear end of the flip claw 307 . The connecting pin 371 can be inserted into the plug hole.

[0029] A magnet 306 is embedded in the socket, and the connecting pin 371 is made of metal.

[0030] The shaft body 304 is provided with a sleeve 302 on its outer sleeve, and the shaft body 304 is rotatably connected to the sleeve 302 via a deep groove ball bearing. An external retaining spring 303 is also provided on the shaft body 304. The flip claw 307 includes a claw body 372, on which a claw stopper 373 for supporting the slewing bearing 4 is installed, and a rubber pad 374 is installed on the surface of the claw body 372 that contacts the slewing bearing 4.

[0031] The utility model is used after being connected to the crane hook through the connecting ring 203. The sling is lowered until the claw stopper 373 contacts the upper plane of the slewing bearing 4. The telescopic link group stopper 205 is released, and the sling is raised.

[0032] When the lifting device is ascending, the telescopic connecting rod assembly 206 is tightened toward the center in the slideways of the first slideway frame 202 and the second slideway frame 204 through the shoulder screw 207 .

[0033] The turning claw assembly 201 clamps the slewing bearing 4, and the sling continues to rise. When there is enough space for the slewing bearing 4 to turn over, the operator manually completes the turning action.

[0034] During the flipping, the flipping claw 307 drives the shaft body 304 to complete the flipping under the mechanism of the shaft sleeve 302 and the first deep groove ball bearing 301 and the second deep groove ball bearing 305 .

[0035] Lower the spreader until the slewing bearing 4 falls onto the platform. Continue to lower the spreader, and the telescopic link group 206 moves to both ends in the slideways of the first slide frame 202 and the second slide frame 204 through the shoulder screws 207. The flip claw assembly 201 connected to the first slide frame 202 is loosened from the slewing bearing 4. Reinstall the telescopic link group limiter 205, and raise the spreader to complete the product flipping work.

[0036] The utility model can complete the clamping and turning over of products with different diameters and structures by replacing the flip claw 307. The flip claw 307 is matched with the pin hole on the shaft body 304 through the connecting pin 371, and is adsorbed and connected with the shaft body 304 under the magnetic force of the magnet 306 fixed on the shaft body 304. When replacing, it is only necessary to pull out the flip claw 307 and replace it with another type of claw.

[0037] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the claims of the utility model.

Claims

1. A slewing bearing with replaceable claws for flipping sling, comprising two symmetrical telescopic connecting rod groups (206), wherein the two symmetrical telescopic connecting rod groups (206) are rotatably connected via a rotating shaft, and the two telescopic connecting rod groups (206) can be folded by rotating, characterized in that: The tail ends of the two telescopic connecting rod groups (206) are respectively provided with a slide frame, and the slide frame is "L" shaped. The corners of the two slide frames are rotatably connected to the corresponding telescopic connecting rod groups (206) through shafts. One end of the slide frame is provided with a slide groove at the shaft, and the shaft slides in the slide groove. The other end of the slide frame is installed with a flip claw assembly (201) for clamping and limiting the slewing bearing (4).

2. A slewing bearing with replaceable claws according to claim 1, characterized in that: The two slide racks are respectively a first slide rack (202) and a second slide rack (204); the first slide rack (202) and the second slide rack (204) slide in cooperation with each other via a shaft.

3. A slewing bearing with replaceable claws according to claim 2, characterized in that: The flip claw assembly (201) comprises a shaft body (304) and a flip claw (307). A plug hole is provided at the front end of the shaft body (304). A connecting pin (371) is fixed at the rear end of the flip claw (307). The connecting pin (371) can be inserted into the plug hole.

4. A slewing bearing with replaceable claws according to claim 3, characterized in that: A magnet (306) is embedded in the insertion hole, and the connecting pin (371) is made of metal.

5. The replaceable claw flip hanger for slewing bearing according to claim 3, characterized in that: The shaft body (304) is provided with a shaft sleeve (302) on its outer shell, and the shaft body (304) is rotatably connected to the shaft sleeve (302) via a deep groove ball bearing.

6. A slewing bearing with replaceable claws according to claim 5, characterized in that: An external retaining spring (303) is also provided on the shaft body (304).

7. The replaceable claw flip hanger for slewing bearing according to claim 5, characterized in that: The flip claw (307) comprises a claw body (372), on which a claw limiter (373) for supporting the slewing bearing (4) is installed, and a rubber pad (374) is installed on the side of the claw body (372) that contacts the slewing bearing (4).

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