CN209839081U - Belt pulley adjusting structure of CT (computed tomography) bed - Google Patents
Belt pulley adjusting structure of CT (computed tomography) bed Download PDFInfo
- Publication number
- CN209839081U CN209839081U CN201920261030.6U CN201920261030U CN209839081U CN 209839081 U CN209839081 U CN 209839081U CN 201920261030 U CN201920261030 U CN 201920261030U CN 209839081 U CN209839081 U CN 209839081U
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- bed
- screw rod
- rocker
- belt pulley
- connecting piece
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Abstract
The utility model discloses a CT bed belt pulley regulation structure, including the CT bed, the bottom plate of CT bed articulates there is screw-nut, screw-nut threaded connection has the lead screw, even there is fastening nut at the lead screw both ends, the lead screw is kept away from screw-nut's one end is connected with the connecting piece, constitutes the screw pair, the connecting piece rotates and is connected with the rocker, the rocker rotates to be connected on the bottom plate of CT bed, the outer end fixedly connected with band pulley installation axle of rocker, the epaxial band pulley that is equipped with of band pulley is installed. The utility model discloses a rotatory lead screw promotes the connecting piece and drives the rocker swing to drive the belt pulley motion, realize the regulation of belt tensile force, reduced the installation requirement of regulation structure to CT bed horizontal space, can realize the great displacement to the belt pulley with less pivot angle, simple structure, simple to operate, and it is effectual to adjust.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically relates to a CT bed belt pulley is adjusted structure.
Background
In CT scanning, a CT table is required to push a patient into the rotor for scanning. For a mechanism of the CT bed driven by a belt, under the long-time movement, the tension of the belt is insufficient, so that the sliding is caused, the scanning efficiency is influenced, and the scanning accuracy is influenced. In the prior art, the restraint of the belt pulley tensioning device in the direction Y, Z is limited mainly by a short screw and a long key, the displacement of the device in the X direction is adjusted by the long screw, and the structure can only move in the horizontal X direction. However, the horizontal displacement adjustment of the belt pulley is small due to the limited horizontal installation space and movement space of the belt pulley of the existing CT bed, and when the actual length of the belt pulley is smaller than the theoretical requirement, the mechanism is difficult to adjust in the existing narrow space position, thereby causing inconvenience to the installation.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model provides a CT bed belt pulley is adjusted structure has reduced the requirement to installation space horizontal position, has increased the horizontal displacement control range of belt pulley.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a CT bed belt pulley regulation structure, includes the CT bed, the bottom plate of CT bed is connected with screw-nut, screw-nut threaded connection has the lead screw, the lead screw is kept away from screw-nut's one end fixedly connected with connecting piece, the connecting piece rotates and is connected with the rocker, the rocker rotates to be connected on the bottom plate of CT bed, the outer end fixedly connected with band pulley installation axle of rocker, the epaxial band pulley that is equipped with of band pulley is installed. One end of the CT bedstead is fixedly connected with a driving motor, a power shaft of the driving motor is connected with a second belt wheel, and a belt is arranged between the first belt wheel and the second belt wheel. When the tensioning degree of the belt needs to be adjusted, the fastening nut is unscrewed, the screw rod is rotated, the screw rod is in threaded connection with the screw rod nut, the screw rod nut is hinged to the bottom plate of the CT bed, the screw rod is made to move linearly along the screw rod nut, the other end of the screw rod is fixedly connected to the connecting piece, the screw rod pushes the connecting piece to move, the rocker which is connected with the connecting piece in a rotating mode is driven to swing, the belt wheel mounting shaft mounted on the rocker is made to move, the belt wheel I is driven to move along the length direction of the CT bed, the distance between the belt wheel I and the belt wheel II is increased, and. This device promotes the connecting piece through the lead screw and drives the rocker swing and drive the belt pulley motion, realizes the regulation of belt tensile force, has reduced the mounting requirement of regulation structure to CT bed horizontal space, can realize the great displacement to the belt pulley with less pivot angle, simple structure, simple to operate, and it is effectual to adjust.
Further, the connecting piece is hinged with the rocker.
Furthermore, the bottom plate of the CT bed is fixedly connected with two first fixing plates, and the rocker is rotatably connected between the two first fixing plates. The rocker is rotatably connected with the bottom plate of the CT bed through the first fixing plate, so that the mounting and the dismounting are convenient.
Furthermore, a second fixing plate is fixedly connected to a bottom plate of the CT bed, and the second fixing plate is hinged to the lead screw nut. The screw rod nut is connected to the bottom plate of the CT bed through the second fixing plate, and the mounting and the dismounting are convenient.
Furthermore, the connecting piece is provided with a through hole for the screw rod to pass through, and the screw rod is provided with fastening nuts on two sides of the connecting piece. The screw rod penetrates through the connecting piece and is locked through the fastening nuts on the two sides, the screw rod is used for fixing the movement of the screw rod, and meanwhile, the screw rod is convenient to install, disassemble and maintain.
Furthermore, fastening nuts are arranged on the two sides of the screw rod nut on the screw rod, and when the screw rod does not need to be adjusted, the screw rod is prevented from moving through locking of the fastening nuts.
To sum up, the utility model discloses a rotatory lead screw promotes the connecting piece and drives the rocker swing to drive the belt pulley motion, realize the regulation of belt tensile force, reduced the installation requirement of regulation structure to CT bed horizontal space, can realize the great displacement to the belt pulley with less pivot angle, simple structure, simple to operate, and it is effectual to adjust.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of the labeling: 1. a first fixing plate; 2. a rocker; 3. fastening a nut; 4. a connecting member; 5. a first belt wheel; 6. a belt wheel mounting shaft; 7. a screw rod; 8. a second fixing plate; 9. a feed screw nut; 10. a belt; 11. a CT bed; 12. a drive motor; 13. and a second belt wheel.
Detailed Description
The present invention will be further described with reference to fig. 1.
The utility model provides a CT bed belt pulley regulation structure, includes CT bed 11, CT bed 11's bottom plate is connected with screw-nut 9, screw-nut 9 threaded connection has lead screw 7, lead screw 7 is kept away from screw-nut 9's one end fixedly connected with connecting piece 4, connecting piece 4 rotates and is connected with rocker 2, rocker 2 rotates to be connected on CT bed 11's the bottom plate, rocker 2's outer end fixedly connected with band pulley installation axle 6, be equipped with band pulley 5 on the band pulley installation axle 6. One end of the CT bedstead is fixedly connected with a driving motor, a power shaft of the driving motor is connected with a second belt wheel 13, and a belt 10 is arranged between the first belt wheel 5 and the second belt wheel 13. When the tensioning degree of the belt 10 needs to be adjusted, the fastening nut 3 is unscrewed, the lead screw 7 is rotated, the lead screw 7 is in threaded connection with the lead screw nut 9, the lead screw nut 9 is hinged to the bottom plate of the CT bed 11, the lead screw 7 makes linear motion along the lead screw nut 9, the other end of the lead screw 7 is fixedly connected to the connecting piece 4, the lead screw 7 pushes the connecting piece 4 to move, the rocker 2 connected with the connecting piece 4 in a rotating mode is driven to swing, the belt wheel mounting shaft 6 mounted on the rocker 2 moves, the belt wheel I5 is driven to move along the length direction of the CT bed 11, the distance between the belt wheel I5 and the belt wheel II 13 is increased, and tensioning adjustment of the belt 10 is achieved. This device promotes connecting piece 4 through lead screw 7 and drives the swing of rocker 2 and drive belt 10 rounds of motion, realizes the regulation of belt 10 tensile force, has reduced the mounting requirement of regulation structure to 11 horizontal spaces of CT bed, can realize taking turns 10 great displacements to the belt with less pivot angle, simple structure, simple to operate, and it is effectual to adjust.
In this embodiment, the connecting element 4 is preferably hinged to the rocker 2.
Preferably, the bottom plate of the CT bed 11 is fixedly connected with two first fixing plates 1, and the rocker 2 is rotatably connected between the two first fixing plates 1. The rocker 2 is rotatably connected with the bottom plate of the CT bed 11 through the first fixing plate 1, and the installation and the disassembly are convenient.
In this embodiment, a second fixing plate 8 is fixedly connected to a bottom plate of the CT bed 11, and the second fixing plate 8 is hinged to the lead screw nut 9. The screw rod nut 9 is connected to the bottom plate of the CT bed 11 through the second fixing plate 8, and the installation and the disassembly are convenient.
In this embodiment, preferably, the connecting member 4 is provided with a through hole for the screw rod 7 to pass through, and the screw rod 7 is provided with fastening nuts 3 at two sides of the connecting member 4. The screw rod 7 penetrates through the connecting piece 4 and is locked through the fastening nuts 3 on two sides, so that the movement of the screw rod 7 is fixed, and meanwhile, the installation, the disassembly and the maintenance are convenient.
In the preferred embodiment, the screw rod 7 is provided with the fastening nuts 3 on two sides of the screw rod nut 9, and when the screw rod 7 does not need to be adjusted, the screw rod 7 is prevented from moving by locking the fastening nuts 3.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a structure is adjusted to CT bed belt pulley which characterized by: the CT bed comprises a CT bed body, wherein a bottom plate of the CT bed body is connected with a screw rod nut, the screw rod nut is in threaded connection with a screw rod, one end, far away from the screw rod nut, of the screw rod is connected with a connecting piece, the connecting piece is connected with a rocker in a rotating mode, the rocker is connected to the bottom plate of the CT bed body in a rotating mode, the outer end of the rocker is fixedly connected with a belt wheel installation shaft, and a first belt wheel is arranged.
2. The belt pulley adjusting structure of the CT bed as claimed in claim 1, wherein: the connecting piece is hinged with the rocker.
3. The belt pulley adjusting structure of the CT bed as claimed in claim 1, wherein: the base plate of the CT bed is fixedly connected with two first fixing plates, and the rocker is rotatably connected between the two first fixing plates.
4. The belt pulley adjusting structure of the CT bed as claimed in claim 1, wherein: and a second fixing plate is fixedly connected to the bottom plate of the CT bed, and the second fixing plate is hinged to the screw rod nut.
5. The belt pulley adjusting structure of the CT bed as claimed in claim 1, wherein: the connecting piece is provided with a through hole for the screw rod to pass through, and the screw rod is provided with fastening nuts on two sides of the connecting piece.
6. The belt pulley adjusting structure of the CT bed as claimed in claim 1, wherein: and fastening nuts are arranged on the two sides of the screw rod nut on the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261030.6U CN209839081U (en) | 2019-03-01 | 2019-03-01 | Belt pulley adjusting structure of CT (computed tomography) bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261030.6U CN209839081U (en) | 2019-03-01 | 2019-03-01 | Belt pulley adjusting structure of CT (computed tomography) bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839081U true CN209839081U (en) | 2019-12-24 |
Family
ID=68905034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261030.6U Active CN209839081U (en) | 2019-03-01 | 2019-03-01 | Belt pulley adjusting structure of CT (computed tomography) bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839081U (en) |
-
2019
- 2019-03-01 CN CN201920261030.6U patent/CN209839081U/en active Active
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