CN217206597U

CN217206597U - Manual barring gear convenient to operation

Info

Publication number: CN217206597U
Application number: CN202220572828.4U
Authority: CN
Inventors: 周李节; 多兆君
Original assignee: Guilin Shenneng Environmental Protection Co Ltd; Shanxian Shenzhen Energy Environment Co Ltd; Shenzhen Energy Environment Eastern Co Ltd; Wuhan Shenneng Environmental Protection Xingou Waste Power Generation Co Ltd; Chaozhou Shenneng Environmental Protection Co Ltd; Shenzhen Energy and Environmental Protection Co Ltd; Shenzhen Energy and Urban Environmental Services Co Ltd
Current assignee: Guilin Shenneng Environmental Protection Co Ltd; Shanxian Shenzhen Energy Environment Co Ltd; Shenzhen Energy Environment Eastern Co Ltd; Wuhan Shenneng Environmental Protection Xingou Waste Power Generation Co Ltd; Chaozhou Shenneng Environmental Protection Co Ltd; Shenzhen Energy and Environmental Protection Co Ltd; Shenzhen Energy and Urban Environmental Services Co Ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-16
Anticipated expiration: 2032-03-16

Abstract

The utility model provides a convenient-to-operate manual barring gear, which comprises a gear box and a plurality of support rods for supporting the gear box, wherein the support rods are connected with the bottom of the gear box; a cavity is arranged in the gear box, a driven shaft and a driving shaft which are distributed at right angles are arranged in the cavity, bevel gears are arranged at one ends of the driven shaft and the driving shaft which are positioned in the cavity, and the bevel gears are connected in a meshing manner; one end of the driving shaft, which is far away from the bevel gear, extends to the outside of the gear box and is connected with an operating handle; one end of the driven shaft, which is far away from the bevel gear, extends to the outside of the gear box and is connected with a motor screw sleeve; personnel can stand on a platform on the side surface of the steam turbine generator unit to operate the manual barring gear, force is facilitated to be exerted, personal injury risks caused by unstable standing and falling are reduced, and operation safety is improved; meanwhile, the gear set with a large transmission ratio is arranged, so that the input torque of the pinion is reduced on the premise that the rotating torque of the steam turbine generator unit is not changed, and the labor is saved for operators.

Description

Manual barring gear convenient to operation

Technical Field

The utility model relates to a power plant steam turbine technical field especially relates to a manual barring gear convenient to operation.

Background

The manual barring gear is an accident tool for preventing the rotor from deforming after the stop of the steam turbine generator unit under the condition that the factory power of a power plant is interrupted and other accident states or the electric barring cannot be put into use. The traditional manual barring gear is a rocker, one end of the rocker is matched with a motor screw of the electric barring gear, a person stands at the other end of the rocker, holds the rocker to rotate, and drives the motor screw to rotate, so that a large shaft of a turbo generator set is driven to rotate. Use traditional manual barring device people to stand the axial direction operation at the generating set main shaft, because the high-speed rotation of steam turbine normal operating, for leaving enough space, this direction can't set up the platform of standing, personnel can only stand the operation on the platform of side to one side, and the operation degree of difficulty is great, difficultly just have the risk of falling down, so need a new manual barring device in order to solve the defect and not enough among the prior art urgent.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the technology, the utility model provides a manual barring gear convenient to operate, which enables personnel to stand on a platform at the side of a turbo generator set to operate the manual barring gear, thereby facilitating force application, reducing the personal injury risk of falling down due to unstable standing and improving the operation safety; meanwhile, the gear set with a large transmission ratio is arranged, so that the input torque of the pinion is reduced on the premise that the rotating torque of the steam turbine generator unit is not changed, and the labor is saved for operators.

In order to achieve the purpose, the utility model provides a manual barring gear convenient to operate, which comprises a gear box and a plurality of support rods for supporting the gear box, wherein the support rods are connected with the bottom of the gear box; a cavity is formed in the gear box, a driven shaft and a driving shaft which are distributed at a right angle are arranged in the cavity, bevel gears are arranged at one ends of the driven shaft and the driving shaft which are positioned in the cavity, and the bevel gears are connected in a meshing manner; one end of the driving shaft, which is far away from the bevel gear, extends to the outside of the gear box and is connected with an operating handle; one end of the driven shaft, which is far away from the bevel gear, extends to the outside of the gear box and is connected with a motor screw sleeve.

Specifically, the method comprises the following steps: the supporting rods are at least provided with 4 supporting rods which are respectively welded at four angular positions of the gear box.

Preferably, the method comprises the following steps: one end of the support rod, which is far away from the gear box, extends towards the direction far away from the gear box to form an inclined support structure.

Preferably, the method comprises the following steps: the bracing piece is kept away from the one end bottom of gear box all is equipped with anti-skidding cushion.

Specifically, the method comprises the following steps: the operating handle is arranged at the end of the driving shaft far away from the bevel gear and is perpendicular to the driving shaft.

Preferably, the method comprises the following steps: the surface of the operating handle is provided with anti-skid frosted patterns.

The utility model has the advantages that: compared with the prior art, the manual barring gear convenient to operate provided by the utility model comprises a gear box and a plurality of support rods for supporting the gear box, wherein the support rods are connected with the bottom of the gear box; a cavity is arranged in the gear box, a driven shaft and a driving shaft which are distributed at right angles are arranged in the cavity, bevel gears are arranged at one ends of the driven shaft and the driving shaft which are positioned in the cavity, and the bevel gears are connected in a meshing manner; one end of the driving shaft, which is far away from the bevel gear, extends to the outside of the gear box and is connected with an operating handle; one end of the driven shaft, which is far away from the bevel gear, extends to the outside of the gear box and is connected with a motor screw sleeve; personnel can stand on a platform on the side surface of the steam turbine generator unit to operate the manual barring gear, force is facilitated to be exerted, personal injury risks caused by unstable standing and falling are reduced, and operation safety is improved; meanwhile, the gear set with a large transmission ratio is arranged, so that the input torque of the pinion is reduced on the premise that the rotating torque of the steam turbine generator unit is not changed, and the labor is saved for operators.

Drawings

Fig. 1 is a three-dimensional schematic view of the present invention;

fig. 2 is a partial sectional view of the inside of the gear box of the present invention.

The main component symbols are as follows:

1. a gear case; 2. a support bar; 3. a rubber pad; 4. a driven shaft; 5. a drive shaft; 6. an operating handle; 7. a bevel gear; 8. a motor screw sleeve; 9. and (5) frosting patterns.

Detailed Description

In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Use traditional manual barring gear people to need stand the axial direction operation at the generating set main shaft, because the high-speed rotation of steam turbine normal operating, for leaving enough space, this direction can't set up the platform of standing, and the personnel can only stand to one side and operate on the side platform, and the operation degree of difficulty is great, difficultly just has the risk of falling down.

In order to solve the defects and deficiencies in the prior art, the utility model particularly provides a manual barring gear convenient to operate, please refer to fig. 1-2, comprising a gear box 1 and a plurality of support rods 2 for supporting the gear box 1, wherein the support rods 2 are connected with the bottom of the gear box 1; a cavity is arranged in the gear box 1, a driven shaft 4 and a driving shaft 5 which are distributed at a right angle are arranged in the cavity, bevel gears 7 are arranged at one ends of the driven shaft 4 and the driving shaft 5 which are positioned in the cavity, and the bevel gears 7 are in meshing connection; one end of the driving shaft 5 far away from the bevel gear 7 extends to the outside of the gear box 1 and is connected with an operating handle 6; one end of the driven shaft 4, which is far away from the bevel gear 7, extends to the outside of the gear box 1 and is connected with a motor screw sleeve 8; the conversion of the rotation angle is realized by arranging the gear box 1 and arranging the bevel gear 7 group in the gear box 1; personnel can stand on a platform on the side surface of the turbo generator unit to operate the manual turning gear, so that the force is facilitated, the personal injury risk of falling down due to unstable standing is reduced, and the operation safety is improved; operating handle 6 is used for operating personnel hand to grip, and motor screw rod sleeve 8 is used for being connected with the motor screw rod to it is rotatory to drive the motor, thereby drives the turbine rotor rotation.

In the present embodiment, mention is made of: the support rods 2 are at least provided with 4 and are respectively welded at four angular positions of the gear box 1.

In a preferred embodiment, mention is made of: one end of the support rod 2, which is far away from the gear box 1, is continued towards the direction far away from the gear box 1 to form an inclined support structure; the inclined support structure can effectively increase the stability of the support.

In a preferred embodiment, mention is made of: the bottom of one end of the support rod 2 far away from the gear box 1 is provided with an antiskid rubber mat 3; the callus on sole can effectively be anti-skidding.

In the present embodiment, mention is made of: an operating handle 6 is provided at the end of the drive shaft 5 remote from the bevel gear 7 and perpendicular to the drive shaft 5.

In a preferred embodiment, mention is made of: the surface of the operating handle 6 is provided with a frosted pattern 9 for skid resistance.

The working principle of the application is described in the following with the attached drawings:

four angles of gear box 1 link to each other through the welding with

bracing piece

2, and 2 bottoms of bracing piece are equipped with cushion 3, place whole manual dish car device on the steam turbine platform, cushion 3 and steam turbine platform direct contact, and the bracing piece offside is arranged, has increased the frictional force with the platform for whole device is more stable.

When operating this device, the people need not to stand at steam turbine axial direction, only need stand perpendicularly and be in the steam turbine axial direction, stand more steadily, hold operating handle 6 operation, and 6 root rubbing dull polish decorative pattern 9 of operating handle have increased people and operating handle's frictional force, are convenient for exert oneself. People exert force to drive the driving shaft 5 to rotate so as to drive the gear set to rotate, the gear set converts the axial torque perpendicular to the axial direction into the axial torque to play a role in reversing to drive the driven shaft 4 to rotate, the tail end of the driven shaft 4 is provided with the motor screw sleeve 8, and the motor screw sleeve 8 is connected with the motor screw so as to drive the motor to rotate, so that the steam turbine rotor is driven to rotate. The gear train is big drive ratio gear train, under the inconvenient condition of moment of driving the rotor, can reduce the moment input of drive shaft 5, and personnel can use littleer power alright drive the rotation of steam turbine rotor promptly, play the effect of economizing on labor.

The utility model has the advantages that:

(1) the utility model discloses a set up right angle bevel gear group for the personnel can stand and operate manual barring gear on turbo generator set side platform, are convenient for make power, have also reduced the bodily injury risk that the shakiness of standing tumbles, have improved operational safety nature.

(2) The utility model discloses a set up the gear train of big drive ratio, under the unchangeable prerequisite of drive turbo generator set pivoted moment, reduced the input moment of pinion, operating personnel is more laborsaving.

(3) The utility model discloses at operation handle end rubbing dull polish decorative pattern, increased frictional force, more difficult skidding in the operation process, the operation of being more convenient for.

(4) The utility model discloses be equipped with the cushion bottom the bracing piece, increased with the frictional force of steam turbine platform, whole device is more stable, the operation of being more convenient for.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. The manual turning gear convenient to operate is characterized by comprising a gear box and a plurality of supporting rods for supporting the gear box, wherein the supporting rods are connected with the bottom of the gear box; a cavity is formed in the gear box, a driven shaft and a driving shaft which are distributed at a right angle are arranged in the cavity, bevel gears are arranged at one ends of the driven shaft and the driving shaft which are positioned in the cavity, and the bevel gears are connected in a meshing manner; one end of the driving shaft, which is far away from the bevel gear, extends to the outside of the gear box and is connected with an operating handle; one end of the driven shaft, which is far away from the bevel gear, extends to the outside of the gear box and is connected with a motor screw sleeve.

2. An easy-to-operate manual barring gear according to claim 1 wherein there are at least 4 support rods welded to each of four corner positions of the gearbox.

3. An easy to operate hand barring gear according to claim 2 wherein the end of the support bar remote from the gear housing continues away from the gear housing forming an inclined support structure.

4. The convenient-to-operate manual barring gear according to claim 2, wherein the bottom of one end of the support rod away from the gear box is provided with an anti-skid rubber mat.

5. An operating handle for a hand-operated barring device according to claim 1, wherein said operating handle is provided at the end of said drive shaft remote from said bevel gear and perpendicular to said drive shaft.

6. An easily operated manual barring gear according to claim 5 wherein the operating handle surface is provided with a frosted pattern for anti-slip purposes.