Slewing bearing for large-scale heavy-load hoisting equipment in port

Abstract

The utility model discloses a slewing bearing for large-scale heavy-load hoisting equipment in a port, and belongs to the technical field of slewing bearings. The sealing ring comprises an outer ring, a bolt and a first sealing ring, a first inner ring and a second inner ring are arranged on the inner side of the outer ring, the first inner ring is arranged at the top of the second inner ring, a rectangular groove is formed in the top of the second inner ring, a check block is arranged at the bottom of the first inner ring and arranged in the rectangular groove, and a third arc-shaped face is arranged on the outer side of the second inner ring. A second arc-shaped surface is arranged at one end of the stop block, and the second arc-shaped surface and the third arc-shaped surface are matched to form a complete fourth arc-shaped surface. By rotating the bolt, the bolt is detached, fixation of the first inner ring is relieved, then the first inner ring is lifted upwards to drive the check block to move, limiting of the balls is relieved, and then the damaged balls are moved out of the rectangular groove to be replaced, so that the problem that when the damaged balls need to be taken out and new balls need to be put in, the damaged balls cannot be replaced is solved. And the operation is very troublesome.

Description

TECHNICAL FIELD

[0001] The utility model relates to slewing ring technical field, concretely is a slewing ring for port large -scale heavy load hoisting equipment. BACKGROUND

[0002] Port large -scale heavy load hoisting equipment is the core equipment in modernization port logistics system, is widely used in container, bulk cargo, heavy equipment and so on cargo's handling operation. As the key component of hoisting equipment, slewing ring bears the important function of connecting fixed part and rotating part, and its performance directly influences the stability, carrying capacity and service life of equipment. The traditional slewing ring is usually composed of outer ring, inner ring, ball and sealing ring and so on, realizes the rotation function through the rolling of ball.

[0003] Slewing ring in the process of long -term use, because the stress is uneven, can lead to some ball damage, when needing to take out the damaged ball, put in the new ball, the operation is very troublesome, therefore, propose a slewing ring for port large -scale heavy load hoisting equipment to overcome the above -mentioned problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a slewing ring for port large -scale heavy load hoisting equipment, through the rotation bolt, the bolt is disassembled, removes the fixed first inner ring, then moves the baffle through the first inner ring and drives up, contacts the limiting ball, then removes the damaged ball from the rectangular groove and replaces, solves when needing to take out the damaged ball, put in the new ball, the operation is very troublesome.

[0005] The utility model is realized through the following technical schemes:

[0006] The utility model discloses a slewing ring for port large -scale heavy load hoisting equipment, including outer ring, bolt and first sealing ring, the inner side of outer ring is equipped with first inner ring and second inner ring, and the first inner ring is arranged at the top of second inner ring, and the top of second inner ring is equipped with rectangular groove, and the bottom of first inner ring is equipped with baffle, and the baffle is arranged in rectangular groove, and the outer side of second inner ring is equipped with third arc face, and one end of baffle is equipped as second arc face, and second arc face and third arc face cooperate and form complete fourth arc face, and four threaded holes are equipped on the top of second inner ring, and the top of first inner ring is equipped with mounting hole, and mounting hole and threaded hole correspond, and one end of bolt passes through mounting hole and cooperates in threaded hole.

[0007] Further, the outer side of the first inner ring is provided with a first arc surface, and the first arc surface and the fourth arc surface cooperate to form a second semicircular groove.

[0008] Further, the inner side of the outer ring is provided with a first semicircular groove, and the first semicircular groove and the second semicircular groove cooperatively form an annular groove, and the annular groove is uniformly provided with the rolling balls.

[0009] Further, the inner side of the first sealing ring is provided with a first mounting ring, the outer side of the first inner ring is provided with a second mounting groove in the upper part, the first mounting ring is arranged in the second mounting groove, the outer side of the first sealing ring is provided with a second mounting ring, the inner side of the outer ring is provided with a first mounting groove in the upper part, and the second mounting ring is arranged in the first mounting groove.

[0010] Further, the outer ring and the second inner ring are provided with a second sealing ring.

[0011] Further, the inner side of the second inner ring is provided with an oil injection nozzle.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a rotary supporting device, which comprises an outer ring, a first inner ring, a second inner ring, a first sealing ring, a second sealing ring and a plurality of rolling balls.

[0014] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0015] Figure 1 It is a schematic view of the rotary supporting structure;

[0016] Figure 2 It is a schematic view of the rotary supporting explosion structure;

[0017] Figure 3 It is a schematic view of the rotary supporting internal structure;

[0018] Figure 4 It is a schematic view of the first inner ring structure;

[0019] Figure 5 It is a schematic view of the second inner ring structure.

[0020] In the drawing: 1, outer ring; 101, first mounting groove; 102, first semicircular groove; 2, first inner ring; 201, mounting hole; 202, second mounting groove; 203, first arc surface; 204, stop block; 205, second arc surface; 3, second inner ring; 301, threaded hole; 302, rectangular groove; 303, third arc surface; 304, oil injection nozzle; 4, bolt; 5, first sealing ring; 501, first mounting ring; 502, second mounting ring; 6, second sealing ring; 7, rolling ball. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a rotary support for port large heavy load hoisting equipment, including outer ring 1, bolt 4 and first sealing ring 5, outer ring 1 is the main load-bearing component of rotary support, for connecting the fixed part of equipment, bear external load and rotational torque, the inside of outer ring 1 is equipped with first inner ring 2 and second inner ring 3, first inner ring 2 is located at the top of second inner ring, mainly for connecting and fixed second inner ring 3, simultaneously with outer ring 1 cooperation forms the rolling track of ball 7, second inner ring 3 is one of the core components of rotary support, for connecting the rotating part of equipment, and cooperation first inner ring 2 forms the rolling track of ball 7, first inner ring 2 is arranged at the top of second inner ring 3, rectangular groove 302 is opened in the top of second inner ring 3, the bottom of first inner ring 2 is equipped with stopper 204, stopper 204 is arranged in rectangular groove 302, the outside of second inner ring 3 is equipped with third arc surface 303, one end of stopper 204 is equipped as second arc surface 205, second arc surface 205 and third arc surface 303 cooperation form complete fourth arc surface, four threaded holes 301 are equipped on the top of second inner ring 3, mounting hole 201 is opened in the top of first inner ring 2, mounting hole 201 and threaded hole 301 between corresponding, one end of bolt 4 is penetrated mounting hole 201 and cooperates in threaded hole 301, bolt 4 is used to connect first inner ring 2 and second inner ring 3, ensure the close cooperation between the two.

[0023] The outside of first inner ring 2 is equipped as first arc surface 203, first arc surface 203 and fourth arc surface cooperation form second semicircular groove, the inside of outer ring 1 is equipped with first semicircular groove 102, first semicircular groove 102 and second semicircular groove cooperation form annular groove, ball 7 is evenly arranged in annular groove, ball 7 is the core component of rotary support, for realizing the stable rotation of equipment.

[0024] By rotating bolt 4, bolt 4 is disassembled, the fixation to first inner ring 2 is released, then by moving stopper 204 by first inner ring 2 upward, the limiting to ball 7 is released, then damaged ball 7 is moved from rectangular groove 302 and replaced, solve the problem that when damaged ball 7 needs to be taken out, new ball 7 is put in, operation is also very troublesome.

[0025] The inner side of the first sealing ring 5 is provided with a first mounting ring 501, the outer side upper part of the first inner ring 2 is provided with a second mounting groove 202, the first mounting ring 501 is arranged in the second mounting groove 202, the outer side of the first sealing ring 5 is provided with a second mounting ring 502, the inner side upper part of the outer ring 1 is provided with a first mounting groove 101, and the second mounting ring 502 is arranged in the first mounting groove 101; the first sealing ring 5 is used for preventing external impurities such as seawater and dust from entering the inside of the slewing bearing, and protecting the ball 7 and the contact surface.

[0026] The second sealing ring 6 is arranged between the outer ring 1 and the second inner ring 3, and is used for further enhancing the sealing performance and preventing lubricating oil from leaking and external impurities from entering.

[0027] The inner side of the second inner ring 3 is provided with an oil injection nozzle 304, and the oil injection nozzle 304 is used for periodically injecting lubricating oil into the inside of the slewing bearing, so that the ball 7 and the contact surface can always maintain a good lubrication state.

[0028] The preferred embodiments disclosed above are only used for helping to describe the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, so as to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalent thereof.

Claims

1. A slewing bearing for port large heavy load hoisting equipment, comprising an outer ring (1), characterized in that: the inner side of the outer ring (1) is provided with a first inner ring (2) and a second inner ring (3), and the first inner ring (2) is arranged on the top of the second inner ring (3); a rectangular slot (302) is formed on the top of the second inner ring (3), the bottom of the first inner ring (2) is provided with a stop block (204), the stop block (204) is arranged in the rectangular slot (302), the outer side of the second inner ring (3) is provided with a third arc surface (303), one end of the stop block (204) is provided with a second arc surface (205), and the second arc surface (205) cooperates with the third arc surface (303) to form a complete fourth arc surface; four threaded holes (301) are arranged on the top of the second inner ring (3), and mounting holes (201) are formed on the top of the first inner ring (2), and the mounting holes (201) correspond to the threaded holes (301); a bolt (4) is further arranged, one end of the bolt (4) penetrates through the mounting hole (201) and is matched in the threaded hole (301).

2. A slewing ring according to claim 1, characterized in that the outer side of the first inner ring (2) is provided with a first arc surface (203), and the first arc surface (203) cooperates with the fourth arc surface to form a second semicircular slot.

3. A port large heavy load hoisting equipment slewing ring according to claim 1 or 2, characterized in that, a first semicircular slot (102) is formed on the inner side of the outer ring (1), the first semicircular slot (102) cooperates with the second semicircular slot to form an annular slot, and the annular slot is uniformly provided with a plurality of rolling balls (7).

4. The rotary joint for port heavy load handling equipment according to claim 1, characterized in that, a first sealing ring (5) is further arranged, the inner side of the first sealing ring (5) is provided with a first mounting ring (501), the outer side of the first inner ring (2) is provided with a second mounting groove (202), the first mounting ring (501) is arranged in the second mounting groove (202), the outer side of the first sealing ring (5) is provided with a second mounting ring (502), the inner side of the outer ring (1) is provided with a first mounting groove (101), and the second mounting ring (502) is arranged in the first mounting groove (101).

5. The rotary joint for port heavy load handling equipment according to claim 1, characterized in that, a second sealing ring (6) is arranged between the outer ring (1) and the second inner ring (3).

6. The rotary joint for port heavy load handling equipment according to claim 1, characterized in that, the inner side of the second inner ring (3) is provided with an oil injection nozzle (304).

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