CN210991407U

CN210991407U - Medical tower crane rotating device

Info

Publication number: CN210991407U
Application number: CN201921488057.5U
Authority: CN
Inventors: 彭世帅
Original assignee: Shanghai Feiputon Medical Equipment Co ltd
Current assignee: Shanghai Feiputon Medical Equipment Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-07-14
Anticipated expiration: 2029-09-06

Abstract

The utility model provides a medical tower crane rotary device, including cantilever body, drop tube and be used for making cantilever body and drop tube rotate the runner assembly who connects, the cantilever body lower extreme is provided with the holding ring, just cantilever body fixed connection the holding ring, the toper spacer is located the upper end of drop tube, just drop tube fixed connection the toper spacer makes the drop tube passes through the runner assembly is in rotate on the cantilever body, make when the drop tube rotates required angle, twist damping screw with holding screw carries on spacingly to prior art's rotary device has been solved, the inner space of increase hanging box, and the installation is inconvenient, thereby brings the unnecessary trouble for operating personnel.

Description

Medical tower crane rotating device

Technical Field

The utility model belongs to the field of medical equipment, in particular to rotary device of medical tower crane.

Background

The rotating device is an important component in a medical tower crane device, the distance between a supporting point and a stress point of the component is large, the requirements on the strength and deformation resistance of the component are high, and if the component is deformed and the rotating mechanism is abraded in long-term load bearing use, the automatic drifting of the tower crane and the inclination of a bearing platform can be caused.

The rotating device in the prior art increases the internal space of the hanging box, is easy to shake and inconvenient to mount, thereby bringing unnecessary trouble to operators.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotary device of medical tower crane, which aims to solve the rotary device of the prior art, increase the inner space of a hanging box, easily generate shake and have inconvenient installation, thereby bringing unnecessary trouble to the operator.

The utility model is realized in such a way, the medical tower crane rotating device comprises a cantilever body, a hanging pipe and a rotating component for rotationally connecting the cantilever body and the hanging pipe, wherein the lower end of the cantilever body is provided with a positioning ring, and the cantilever body is fixedly connected with the positioning ring;

the rotating assembly comprises a conical spacer and a conical ball bearing, the conical spacer is located at the upper end of the hanging pipe, the hanging pipe is fixedly connected with the conical spacer, the positioning ring contains the conical ball bearing, the positioning ring is fixedly connected with the outer side wall of the conical ball bearing, the conical spacer is located inside the conical ball bearing, the conical spacer is fixedly connected with the inner side wall of the conical ball bearing, and the outer ring of the conical spacer is matched with the inner ring of the conical ball bearing.

Preferably, the number of the positioning rings is two, the number of the conical ball bearings is two, and the two conical ball bearings are symmetrically distributed along the center of the conical spacer.

Preferably, the rotating assembly further comprises a damping screw, the damping screw is located on one side of the positioning ring away from the conical ball bearing, the damping screw penetrates through the conical ball bearing and the positioning ring, and the damping screw is in close contact with the conical spacer.

Preferably, the rotating assembly further comprises a protection plate, the protection plate is located between the two positioning rings, and the protection plate is fixedly connected with the outer side wall of the conical ball bearing.

Preferably, the rotating assembly further comprises the set screw, the set screw penetrates through the protection plate, and the set screw is in close contact with the conical spacer.

Preferably, a backing plate is arranged on the surface of the inner side wall of the cantilever body, and the backing plate is fixedly connected with the cantilever body through screws.

Preferably, the conical spacer bush is fixedly connected with the hanging pipe through a screw and a gasket.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the cantilever body, the positioning ring and the rotating assembly are arranged on the device, so that the hanging pipe can rotate on the cantilever body through the rotating assembly. (2) Through set up on the device damping screw with set screw for when the davit rotated required angle, it was spacing to twist damping screw with set screw. (3) By arranging the base plate on the device, the base plate plays a role in resisting shock under pressure when the hanging pipe rotates. Thereby solve prior art's rotary device, increase the inner space of hanging case, produce easily and shake and install inconvenient to bring unnecessary trouble problem for operating personnel.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the structure of the conical spacer of the present invention;

FIG. 3 is a schematic diagram of the protective plate structure of the present invention;

in the figure: 1-cantilever body, 11-backing plate, 2-hanging pipe, 3-rotating assembly, 31-tapered spacer bush, 32-tapered ball bearing, 33-protection plate, 34-damping screw, 35-set screw and 4-positioning ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a medical tower crane rotating apparatus includes a cantilever body 1, a hanging tube 2 and a rotating assembly 3 for rotatably connecting the cantilever body 1 and the hanging tube 2, wherein: the lower end of the cantilever body 1 is provided with a positioning ring 4, and the cantilever body 1 is fixedly connected with the positioning ring 4;

the rotating assembly 3 comprises a conical spacer 31 and a conical ball bearing 32, the conical spacer 31 is located at the upper end of the hanging pipe 2, the hanging pipe 2 is fixedly connected with the conical spacer 31, the positioning ring 4 contains the conical ball bearing 31, the positioning ring 4 is fixedly connected with the outer side wall of the conical ball bearing 32, the conical spacer 31 is located inside the conical ball bearing 32, the conical spacer 31 is fixedly connected with the inner side wall of the conical ball bearing 32, and the outer ring of the conical spacer 31 is matched with the inner ring of the conical ball bearing 32.

In this embodiment, the tapered ball bearing 32 is provided as the bearing, so that the tapered ball bearing 32 can bear the combined axial and radial load mainly based on the axial load, and the spacer sleeve is provided as the tapered spacer sleeve 31, so that the tapered ball bearing 32 and the tapered spacer sleeve 31 are used in cooperation, the pressure of the inner ring is stably transmitted, and meanwhile, the tapered spacer sleeve 31 also has the function of sealing and dust prevention. When the device is used, the position of the hanging pipe 2 is adjusted after the device is installed, and the hanging pipe 2 is fixed on the conical spacer 31, so that when the hanging pipe 2 rotates, the conical spacer 31 rotates on the cantilever body 1 through the conical ball bearing 32.

In the present embodiment, when the hanging pipe 2 reaches a proper angle, the damping screw 34 and the fastening screw 35 are tightened, so that the damping screw 34 and the fastening screw 35 generate friction with the tapered spacer 31, and the hanging pipe 2 stops rotating due to the friction force. The problem of prior art's rotary device, increase the inner space of hanging case, produce the shake easily to it is inconvenient to install, thereby bring unnecessary trouble for operating personnel is solved.

Further, the number of the positioning rings 4 is two, and the number of the tapered ball bearings 32 is two, and the positioning rings and the tapered ball bearings are distributed along the center of the tapered spacer 31 in a symmetrical manner.

In this embodiment, be two through setting up holding ring 4 and toper ball bearing 32 quantity for holding ring 4 links up cantilever body 1 and runner assembly 3, is two through setting up toper ball bearing 32 quantity, makes pipe hanger 2 rotate on toper ball bearing 32, through setting up holding ring 4 and toper ball bearing 32 along toper spacer 31 center to changeing the distribution, when making pipe hanger 2 rotatory, holding ring 4 and toper ball bearing 32 atress are even.

Further, the rotating assembly 3 further includes a damping screw 34, the damping screw 34 is located on a side of the positioning ring 4 away from the tapered ball bearing 32, the damping screw 34 penetrates through the tapered ball bearing 32 and the positioning ring 4, and the damping screw 34 is in close contact with the tapered spacer 31.

In the present embodiment, the damping screw 34 is disposed inside the positioning ring 4, and the damping screw 34 penetrates through the tapered ball bearing 32 and the positioning ring 4 and is in close contact with the tapered spacer 31, so that when the suspension pipe 1 rotates to a desired angle, the damping screw 34 is tightened, and the damping screw 34 is in contact with the tapered spacer 31, so that the suspension pipe 1 stops moving.

Further, the rotating assembly 3 further comprises a protection plate 33, the protection plate 33 is located between the two positioning rings 4, and the protection plate 33 is fixedly connected with the outer side wall of the tapered ball bearing 32.

In the present embodiment, the protection plate 33 is provided, and the protection plate 33 is fixedly connected to the outer side wall of the tapered ball bearing 32, so that when the suspension pipe 1 rotates, a part of the axial force and the radial force is received.

Further, the rotating assembly 3 further comprises a set screw 35, the set screw 35 penetrates through the protection plate 33, and the set screw 35 is in close contact with the conical spacer 31.

In this embodiment, through setting up holding screw 35, and holding screw 35 runs through protection plate 33, and with toper spacer 31 in close contact with, when making hanging pipe 1 rotate required angle, through turning round holding screw 35, make holding screw 35 and toper spacer 31 in close contact with, thereby hanging pipe 1 stop motion, holding screw 35 can also use with damping screw 34 cooperation, make the accurate stopping of toper spacer 31 at required angle, thereby make things convenient for operating personnel to use.

Further, a backing plate 11 is arranged on the surface of the inner side wall of the cantilever body 1, and the backing plate 11 is fixedly connected with the cantilever body 1 through screws.

In the embodiment, the backing plate 11 is arranged on the surface of the inner side wall of the cantilever body 1, so that when the hanging pipe 2 rotates, the backing plate 3 bears pressure and reduces the frequency of vibration, and the backing plate 11 is fixedly connected with the cantilever body 1 through screws, so that the backing plate 11 and the cantilever body 1 are convenient to assemble and disassemble and are reliable in connection.

Further, the conical spacer 31 is fixedly connected with the hanging pipe 2 through a screw and a washer.

In the embodiment, the conical spacer 31 is fixedly connected with the hanging pipe 2 through the screw and the gasket, when the screw is tightened, the contact area of the screw and the conical spacer 31 is small, the gasket is additionally arranged, the pressure bearing area of the conical spacer 31 can be increased, and the conical spacer 31 cannot be damaged or slips.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a medical tower crane rotary device, includes cantilever body (1), drop tube (2) and is used for making cantilever body (1) and drop tube (2) rotate runner assembly (3) of being connected, its characterized in that: the lower end of the cantilever body (1) is provided with a positioning ring (4), and the cantilever body (1) is fixedly connected with the positioning ring (4);

rotating assembly (3) includes toper spacer (31) and toper ball bearing (32), toper spacer (31) is located the upper end of hanging pipe (2), just hanging pipe (2) fixed connection toper spacer (31), holding ring (4) hold toper ball bearing (32), just holding ring (4) fixed connection the lateral wall of toper ball bearing (32), toper spacer (31) are located the inside of toper ball bearing (32), just toper spacer (31) fixed connection the inside wall of toper ball bearing (32), the outer lane of toper spacer (31) with the inner circle looks adaptation of toper ball bearing (32).

2. The medical tower crane rotating apparatus according to claim 1, wherein: the number of the positioning rings (4) is two, the number of the conical ball bearings (32) is two, and the conical ball bearings are distributed along the center of the conical spacer bush (31) in a symmetrical mode.

3. The medical tower crane rotating apparatus according to claim 1, wherein: rotating assembly (3) still includes damping screw (34), damping screw (34) are located holding ring (4) are kept away from one side of toper ball bearing (32), damping screw (34) run through toper ball bearing (32) and holding ring (4), damping screw (34) with toper spacer (31) in close contact with.

4. The medical tower crane rotating apparatus according to claim 1, wherein: the rotating assembly (3) further comprises a protection plate (33), the protection plate (33) is located between the two positioning rings (4), and the protection plate (33) is fixedly connected with the outer side wall of the conical ball bearing (32).

5. The medical tower crane rotating apparatus according to claim 4, wherein: the rotating assembly (3) further comprises a set screw (35), the set screw (35) penetrates through the protection plate (33), and the set screw (35) is in close contact with the conical spacer bush (31).

6. The medical tower crane rotating apparatus according to claim 1, wherein: a base plate (11) is arranged on the surface of the inner side wall of the cantilever body (1), and the base plate (11) is fixedly connected with the cantilever body (1) through screws.

7. The medical tower crane rotating apparatus according to claim 1, wherein: the conical spacer bush (31) is fixedly connected with the hanging pipe (2) through a screw and a gasket.