Oversize bearing ring hoisting device

Abstract

An oversize bearing ring hoisting device belongs to the technical field of hoisting devices and comprises a base plate, a limiting column, a hoisting rod, a hoisting ring, limiting hooks, a steel cable, a connector and a wedge, the limiting column is arranged in the center of the base plate, the upper end of the limiting column is connected with the center of the bottom of the hoisting rod, the limiting hooks are arranged on the two sides of the bottom of the hoisting rod, and the steel cable is connected with the connector. The limiting hook is matched with the limiting column, a lifting ring is arranged at the top of the lifting rod, the upper portion of the lifting rod is connected with one end of a steel cable, the other end of the steel cable is connected with a connector, a wedge is arranged on the connector, and the middle of the wedge is movably connected with the base plate. The lifting device has the beneficial effects that the position of the wedge on the cross beam can be adjusted according to the size of a ferrule to be lifted, bearing ferrules with different sizes can be lifted, the structure is simple, the use is convenient, the applicability is high, the operation efficiency is high, and the potential safety hazard that the ferrule falls off is also avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of hoisting devices, and particularly relates to a hoisting device for extra-large bearing rings. Background Art

[0002] As an important component of a bearing, the processing process of an extra-large bearing ring has many procedures, and hoisting and transferring are required between each procedure. Currently, the bottom of the ring is supported, and a hoisting rope is passed through the ring for fixed hoisting. This method not only has a cumbersome operation process and low efficiency, but also has a risk of the ring slipping out of the hoisting rope during hoisting, posing a safety hazard. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the purpose of the utility model is to design a hoisting device for extra-large bearing rings to solve the technical problems of cumbersome operation process, low efficiency, and potential safety hazard of ring detachment mentioned in the background art.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: A hoisting device for extra-large bearing rings includes a chassis, a limiting post, a hoisting rod, a lifting ring, a limiting hook, a steel cable, a connector, and a wedge. A limiting post is provided at the center of the chassis. The upper end of the limiting post is connected to the center of the bottom of the hoisting rod. Limiting hooks are provided on both sides of the bottom of the hoisting rod, and the limiting hooks cooperate with the limiting post. A lifting ring is provided at the top of the hoisting rod. One end of a steel cable is connected to the upper part of the hoisting rod. The other end of the steel cable is connected to a connector, and a wedge is provided on the connector. The middle part of the wedge is movably connected to the chassis.

[0005] The chassis includes a disc-shaped central part and a crossbeam integrally formed with the central part. The central part has a disc-shaped structure, and a threaded counterbore is provided at the center of its surface, and is connected to the bottom of the limiting post through the threaded counterbore. The number of crossbeams is three, and the three crossbeams are evenly arranged outside the central part. The middle part of the crossbeam is a hollow structure, and through holes are symmetrically provided on both side walls at equal intervals, and are connected to the middle part of the wedge through the through holes.

[0006] The limiting post is a circular columnar structure, and a frustum A, a frustum B, and a frustum C are provided in the middle. The conical surfaces of the frustum A and the frustum B are structures with a smaller upper part and a larger lower part. The frustum B and the frustum A are arranged at intervals. The frustum C and the frustum B have the same size and opposite conical surface directions. The bottom surface of the frustum B is integrally connected to the upper surface of the frustum C. The bottom end of the limiting post is provided with an external thread, and is matched with the threaded counterbore provided in the central part of the chassis. The top of the limiting post is connected to the bottom of the hoisting rod.

[0007] The described lifting rod has an overall "T" - shaped structure, including a hollow rod body and a trapezoidal block provided at its lower end. The rod body passes through the center of the trapezoidal block. On the outer wall of the upper part of the rod body, three ear plates are evenly provided. Installation holes are provided on the ear plates and are connected to one end of a steel cable through the installation holes. The top of the rod body is connected to a lifting ring. A through - hole is provided on the side wall of the rod body. Through - holes are symmetrically provided at both ends of the trapezoidal block. A limiting hook is connected through the cooperation of the through - holes and bolts. The bottom of the rod body is sleeved on the top end of a limiting column.

[0008] The described limiting hook includes an upper frame body and a lower hook body. The frame body is provided with a through - hole and is connected to the trapezoidal block through the cooperation of the through - hole and a bolt. The hook body is in cooperation with the bottom surface of the conical table A of the limiting column.

[0009] The connecting head has two upper and lower frame - type structures, and through - holes are provided in both the upper and lower frame - type structures. The through - hole of the lower frame - type structure is used to cooperate with a bolt to connect a wedge, and the through - hole of the upper frame - type structure is used to connect with a steel cable.

[0010] The described wedge is a right - angled trapezoidal block - like structure. A through - hole is provided at its right - angled edge end for connection with the connecting head, and a through - hole is provided in the middle of the wedge for cooperation with a bolt to connect with the cross - beam of the chassis. The hypotenuse end of the wedge is in contact and cooperation with the inner edge of the ring to be lifted.

[0011] The described lifting ring includes an upper lifting hole and a lower cylindrical plug. The outer diameter of the cylindrical plug is in cooperation with the inner diameter of the rod body. A through - hole is provided on the cylindrical plug and is in cooperation with the through - hole provided on the rod body to fix the lifting ring at the upper end of the rod body.

[0012] The beneficial effects of the present utility model are as follows: This lifting device can adjust the position of the wedge on the cross - beam according to the size of the ring to be lifted, lift bearing rings of different sizes, has a simple structure, is easy to use, has strong applicability, high operation efficiency, and also avoids the safety hazard of the ring falling off. Description of the Drawings

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 It is a schematic diagram of the chassis structure of the present utility model.

[0015] Figure 3 It is a schematic diagram of the lifting rod structure of the present utility model.

[0016] Figure 4 It is a schematic diagram of the limiting column structure of the present utility model.

[0017] Figure 5 It is a schematic diagram of the limiting hook structure of the present utility model.

[0018] Figure 6This is a schematic diagram of the connector structure of the present utility model.

[0019] Figure 7 This is a schematic diagram of the wedge structure of the present utility model.

[0020] Figure 8 This is a schematic diagram of the eyebolt structure of the present utility model.

[0021] In the figure: 1. Chassis, 101. Central part, 102. Cross beam, 2. Lifting rod, 201. Rod body, 202. Trapezoidal block, 203. Ear plate, 3. Limit post, 301. Cone A, 302. Cone B, 303. Cone C, 4. Limit hook, 401. Frame body, 402. Hook body, 5. Connector, 501. Upper frame structure, 502. Lower frame structure, 6. Wedge, 7. Steel cable, 8. Eyebolt, 801. Lifting hole, 802. Cylindrical plug. Specific embodiments

[0022] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the drawings of this specification. It should be noted that the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-8, a super-large bearing ring hoisting device, comprising a chassis 1, a limiting column 3, a hoisting rod 2, a lifting ring 8, a limiting hook 4, a steel cable 7, a connector 5 and a wedge 6. A limiting column 3 is provided at the center of the chassis 1. The upper end of the limiting column 3 is connected to the center of the bottom of the hoisting rod 2. Limiting hooks 4 are provided on both sides of the bottom of the hoisting rod 2. The limiting hooks 4 cooperate with the limiting column 3. A lifting ring 8 is provided at the top of the hoisting rod 2. One end of a steel cable 7 is connected to the upper part of the hoisting rod 2. The other end of the steel cable 7 is connected to a connector 5. A wedge 6 is provided on the connector 5. The middle part of the wedge 6 is movably connected to the chassis 1. The chassis 1 is composed of a disc-shaped central part 101 and a cross beam 102 integrally fixed with the central part 101. The central part 101 is of a disc-shaped structure, and a threaded counterbore is provided at the center of its surface and is connected to the bottom of the limiting column 3 through the threaded counterbore. The number of the cross beams 102 is three, and the three cross beams 102 are evenly arranged outside the central part 101. The middle part of the cross beam 102 is of a hollow structure, and through holes evenly spaced are symmetrically provided on both side walls thereof and are connected to the middle part of the wedge 6 through the through holes. The limiting column 3 is of a circular columnar structure, and a frustum A 301, a frustum B 302 and a frustum C 303 are provided in the middle thereof. The conical surfaces of the frustum A 301 and the frustum B 302 are of a structure with a smaller upper part and a larger lower part. The frustum B 302 and the frustum A 301 are spaced apart. The frustum C 303 and the frustum B 302 are of the same size and opposite conical surface directions. The bottom surface of the frustum B 302 is integrally connected with the upper surface of the frustum C 303. The bottom end of the limiting column 3 is provided with an external thread and is matched with the threaded counterbore provided in the central part 101 of the chassis 1. The top of the limiting column 3 is connected to the bottom of the hoisting rod 2. The hoisting rod 2 is integrally of a "T" - shaped structure, comprising a hollow rod body 201 and a trapezoidal block 202 provided at its lower end. The rod body 201 passes through the center of the trapezoidal block 202. Three ear plates 203 are evenly provided on the outer wall of the upper part of the rod body 201. Mounting holes are provided on the ear plates 203 and one end of the steel cable 7 is connected through the mounting holes. The top of the rod body 201 is connected to the lifting ring 8. Through holes are provided on the side wall of the rod body 201. Through holes are symmetrically provided at both ends of the trapezoidal block 202. The limiting hooks 4 are connected through the through holes and bolts in cooperation. The bottom of the rod body 201 is sleeved on the top end of the limiting column 3. The limiting hook 4 comprises an upper frame body 401 and a lower hook body 402. Through holes are provided on the frame body 401 and are connected to the trapezoidal block 202 through the through holes and bolts in cooperation. The hook body 402 cooperates with the bottom surface of the frustum A 301 of the limiting column 3. The connector 5 is composed of two upper and lower frame structures, and through holes are provided in both the upper and lower frame structures. The through holes of the lower frame structure 502 are used to cooperate with bolts to connect the wedge 6, and the through holes of the upper frame structure 501 are used to connect with the steel cable 7.The wedge 6 is a right-angled trapezoidal block structure, with a through hole at its right-angled side end for connecting with the connector 5, a through hole at the middle of the wedge 6 for connecting with the crossbeam 102 of the chassis 1 with a bolt, and the hypotenuse end of the wedge 6 contacts and cooperates with the inner edge of the ring to be hoisted. The lifting ring 8 includes an upper lifting hole 801 and a lower cylindrical plug 802, the outer diameter of the cylindrical plug 802 matches the inner diameter of the rod 201, and a through hole is provided on the cylindrical plug 802 to match the through hole provided on the rod 201, so as to fix the lifting ring 8 to the upper end of the rod 201.

[0024] When installing and using the utility model:

[0025] During installation, first select three wedges 6 according to the size of the ring, and install the three wedges 6 on the appropriate positions of the three crossbeams 102 of the chassis 1 by bolts and nuts, then install the lower frame structure 502 of the connector 5 on the wedges 6 by bolts and nuts; then install the bottom of the limit column 3 in the threaded countersunk hole of the central part 101 of the chassis 1; then install the lifting ring 8 on the top of the rod body 201 of the lifting rod 2 by bolts and nuts; then install one end of the three steel cables 7 respectively Install it on the installation hole of the upper ear plate 203 of the lifting rod 2; then install two limit hooks 5 at both ends of the lower trapezoidal block 202 of the lifting rod 2; lift the lifting ring 8 and the lifting rod 2 by the overhead crane, so that the bottom of the rod body 201 of the lifting rod 2 is sleeved on the upper end of the limit column 3, and place the limit hook 4 between the cone A301 and the cone B302 of the limit column 3; finally, adjust the steel cable 7 to a suitable length and install it on the upper frame structure 501 of the connector 5 to complete the device installation process;

[0026] First, use a crane to lift the device to the upper part of the ring to be lifted through the lifting ring 8, and then slowly lower it so that the three wedges 6 all fall into the inside of the ring, and then start lifting. The hook bodies 402 of the two limit hooks 4 are hooked tightly with the bottom surface of the cone A301 of the limit column 3. At this time, the three steel cables 7 on the device are fully tightened, and the three steel cables 7 respectively pull the three connecting heads 5. Under the restriction of the crossbeam 102, the middle parts of the three wedges 6 are forced to tilt up and support the inner wall of the ring, and the ring continues to be lifted to the specified position.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0028] The parts not described in detail in this utility model are prior art.

Claims

1. A hoisting device for an extra-large bearing ring, comprising a chassis (1), a limit post (3), a hoisting rod (2), a lifting ring (8), a limit hook (4), a steel cable (7), a connector (5) and a wedge (6), characterized in that: A limiting post (3) is provided at the center of the chassis (1) described above. The upper end of the limiting post (3) is connected to the center of the bottom of the hoisting rod (2). Limiting hooks (4) are provided on both sides of the bottom of the hoisting rod (2). The limiting hooks (4) cooperate with the limiting post (3). A lifting ring (8) is provided at the top of the hoisting rod (2). One end of a steel cable (7) is connected to the upper part of the hoisting rod (2). The other end of the steel cable (7) is connected to a connector (5). A wedge (6) is provided on the connector (5). The middle part of the wedge (6) is movably connected to the chassis (1).

2. The hoisting device for a super-large bearing ring according to claim 1, characterized in that: The chassis (1) described above is composed of a disc-shaped central part (101) and a cross beam (102) integrally fixed with the central part (101). The central part (101) has a disc-shaped structure. A threaded counterbore is provided at the center of its surface and is connected to the bottom of the limiting post (3) through the threaded counterbore. The number of the cross beams (102) is three. The three cross beams (102) are evenly arranged outside the central part (101). The middle part of the cross beam (102) is a hollow structure. Through holes evenly spaced are symmetrically provided on both side walls thereof and are connected to the middle part of the wedge (6) through the through holes.

3. The hoisting device for an extra-large bearing ring according to claim 1, wherein: The limiting post (3) has a circular columnar structure. A frustum A (301), a frustum B (302) and a frustum C (303) are provided in the middle thereof. The conical surfaces of the frustum A (301) and the frustum B (302) are structures with a smaller upper part and a larger lower part. The frustum B (302) is spaced from the frustum A (301). The frustum C (303) and the frustum B (302) are structures with the same size and opposite conical surface directions. The bottom surface of the frustum B (302) is integrally connected to the upper surface of the frustum C (303). External threads are provided at the bottom end of the limiting post (3), and the external threads cooperate with the threaded counterbore provided in the central part (101) of the chassis (1). The top of the limiting post (3) is connected to the bottom of the hoisting rod (2).

4. A hoisting device for a super-large bearing ring according to claim 3, characterized in that: The hoisting rod (2) as a whole has a "T" - shaped structure and includes a hollow rod body (201) and a trapezoidal block (202) provided at its lower end. The rod body (201) passes through the center of the trapezoidal block (202). Three ear plates (203) are evenly provided on the outer wall of the upper part of the rod body (201). Mounting holes are provided on the ear plates (203) and are connected to one end of the steel cable (7) through the mounting holes. The top of the rod body (201) is connected to the lifting ring (8). Through holes are provided on the side wall of the rod body (201). Through holes are symmetrically provided at both ends of the trapezoidal block (202). The limiting hooks (4) are connected through the through holes and bolts in a cooperative manner. The bottom of the rod body (201) is sleeved on the top end of the limiting post (3).

5. The hoisting device for a super-large bearing ring according to claim 4, characterized in that: The limiting hook (4) includes an upper frame body (401) and a lower hook body (402). Through holes are provided in the frame body (401) and are connected to the trapezoidal block (202) through the through holes in cooperation with bolts. The hook body (402) cooperates with the bottom surface of the frustum A (301) of the limiting post (3).

6. A hoisting device for a super-large bearing ring according to claim 1, characterized in that: The connector (5) is composed of two upper and lower frame structures, and through holes are provided in both the upper and lower frame structures. The through hole of the lower frame structure (502) is used to cooperate with a bolt to connect the wedge (6), and the through hole of the upper frame structure (501) is used to connect with the steel cable (7).

7. The hoisting device for a super-large bearing ring according to claim 1, characterized in that: The wedge (6) is in the shape of a right trapezoidal block (202), and a through hole is provided at its right-angled edge end for connecting with the connector (5). A through hole is provided in the middle of the wedge (6) for cooperating with a bolt to connect with the chassis (1). The hypotenuse end of the wedge (6) is in contact and cooperation with the inner edge of the ferrule to be lifted.

8. A hoisting device for a super-large bearing ring according to claim 4, characterized in that: The lifting ring (8) includes a lifting hole (801) at the upper part and a lower cylindrical plug (802). The outer diameter of the cylindrical plug (802) is matched with the inner diameter of the rod body (201). A through hole is provided on the cylindrical plug (802) to cooperate with the through hole provided on the rod body (201) for fixing the lifting ring (8) at the upper end of the rod body (201).

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