CN212527593U

CN212527593U - Installation tool for locking nut of high-speed shafting of wind power gear box

Info

Publication number: CN212527593U
Application number: CN202020810754.4U
Authority: CN
Inventors: 黄正廷; 王健; 傅旸; 吴伟强
Original assignee: Nanjing Avis Transmission Technology Co ltd
Current assignee: Nanjing Avis Transmission Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-12
Anticipated expiration: 2030-05-15

Abstract

The utility model provides a wind-powered electricity generation gear box high speed shafting lock nut's installation frock, its characterized in that: the high-speed shafting is vertically arranged and fixedly arranged on the ground track; the end surface of the blade end of the high-speed shafting faces the lower shafting part and is arranged below the locking nut; the tightening tool main body is a sleeve, a plurality of downward extending sheet-shaped bulges are uniformly distributed on the circumference of the lower end surface of the sleeve and used as clamping jaws, a tool circular plate is welded on the upper end surface of the sleeve, and a screw hole is formed in the end surface of the tool circular plate; one side of a clamping jaw of the tightening tool is sleeved into a clamping groove in the excircle of the locking nut, a tool bolt is screwed into a screw hole formed in the end face of the tool circular plate and is fixedly arranged on the tool circular plate, and a torque wrench and a bolt sleeve are arranged on the tool bolt. The utility model relates to a simple structure, the assembly is reliable, the easy operation and safe wind-powered electricity generation gear box high speed shafting lock nut's installation frock.

Description

Installation tool for locking nut of high-speed shafting of wind power gear box

Technical Field

The utility model relates to a wind-powered electricity generation gear box is with installation frock, specifically speaking are an installation frock that is used for high-speed shafting lock nut of wind-powered electricity generation gear box.

Background

A high-speed shaft system of a wind power gearbox is locked with shaft system parts by using locking nuts, in the prior art, in the installation process, the nuts are manually screwed, and then locking nuts excircle are firmly hammered by using tools such as nylon bar or copper bar, and the nuts are hammered until threads are screwed tightly, so that the shaft system parts are locked.

The prior art has the following disadvantages:

1. the self structure of the locking nut is limited, and the torque cannot be controlled directly by using a torque wrench;

2. the tightening force is also dependent on manpower;

3. the force applied by each person is inconsistent, and the magnitude of the applied tightening force cannot be controlled;

4. the operation process is dangerous due to hard smashing by manpower.

SUMMERY OF THE UTILITY MODEL

The utility model provides an installation frock of high-speed shafting lock nut of wind-powered electricity generation gear box, its purpose is solved prior art's shortcoming, provides a simple structure, and the assembly is reliable, easy operation and safe installation frock.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an installation frock of wind-powered electricity generation gear box high speed shafting lock nut which characterized in that:

the high-speed shafting is vertically arranged and fixedly arranged on the ground track; the end surface of the blade end of the high-speed shafting faces the lower shafting part and is arranged below the locking nut;

the tightening tool main body is a sleeve, a plurality of downward extending sheet-shaped bulges are uniformly distributed on the circumference of the lower end surface of the sleeve and used as clamping jaws, a tool circular plate is welded on the upper end surface of the sleeve, and a screw hole is formed in the end surface of the tool circular plate;

one side of a clamping jaw of the tightening tool is sleeved into a clamping groove in the excircle of the locking nut, a tool bolt is screwed into a screw hole formed in the end face of the tool circular plate and is fixedly arranged on the tool circular plate, and a torque wrench and a bolt sleeve are arranged on the tool bolt.

The fixing tool is provided with a through hole, and a bolt penetrates through the through hole and is then screwed with the ground track; the fixing tool is provided with a through hole and a groove which are coaxial, the high-speed shaft system is vertically arranged, the end face of the blade end of the high-speed shaft system is arranged on the upper surface of the groove, a bolt penetrates through the through hole and then is screwed in a screw hole formed in the end face of the blade end of the high-speed shaft system, and a bearing at the blade end of the high-speed shaft system is embedded in the groove.

The fixing tool is composed of a circular plate and a plurality of fixed connecting blocks uniformly welded around the circular plate, and the bolts penetrate through holes which are screwed and connected with the ground track and are arranged on the fixed connecting blocks; the through hole and the groove of the coaxial line are arranged on the circular plate.

The excircle of the sleeve is welded with a U-shaped handle.

The utility model discloses an useful part lies in:

1. the tool is simple, the structure is simple, and the processing and the manufacturing are easy;

2. the existing conditions can be fully utilized, and the operation is convenient;

3. the pre-tightening force can be effectively controlled, and the reliability of assembly is ensured;

4. the risk brought by manual hard smashing installation is reduced, and the safety factor of field work is improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

fig. 2 is a top view of the fixing tool of the present invention;

fig. 3 is the utility model discloses turn round tight frock structure chart.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor.

The utility model provides an installation frock of wind-powered electricity generation gear box high speed shafting lock nut especially is applicable to 1660KW wind-powered electricity generation gear box high speed shafting lock nut's installation.

As shown in fig. 1 and 2:

the fixed tooling 1 is a welding part, the circular plate 12 and four fixed connecting blocks 11 uniformly welded around the circular plate 12 are formed, through holes 15 are formed in the fixed connecting blocks 11, and bolts 17 are used for being screwed with the ground rail 100 after penetrating through the through holes 15 so as to fix the fixed tooling 1 on the ground rail 100; the center of the circular plate 12 is provided with a through hole 13 and a groove 14 which are coaxial, the high-speed shaft system 3 is vertically arranged, the end surface of the blade end of the high-speed shaft system 3 is arranged on the upper surface of the groove 14, a bolt 16 penetrates through the through hole 13 and then is screwed in a screw hole arranged on the end surface of the blade end of the high-speed shaft system 3, and a blade end bearing 31 of the high-speed shaft system 3 is embedded in the groove 14, so that the high-speed shaft system 3 can be vertically arranged and fixedly arranged on the fixing tool 1.

As shown in fig. 1 and 3:

the tight frock 2 of turning round is for taking jaw formula sleeve, and also the main part is sleeve 20, and sleeve 20's lower terminal surface circumference equipartition has 6 downward flaky archs as jack catch 21 to at sleeve 20's up end welding frock plectane 22, the terminal surface of frock plectane 22 is opened has screw 23, and sleeve 20's excircle welding has two U type handles 24 so that carry and take.

As shown in fig. 1:

the fixing tool 1 is installed on the ground track 100, the high-speed shafting 3 is vertically placed and fixedly installed on the fixing tool 1, the locking nut 4 is upward in side, namely, the shafting part is arranged below the locking nut 4.

One side of a clamping jaw 21 of the tightening tool 2 is sleeved into a clamping groove in the outer circle of the locking nut 4, the tool bolt 5 is screwed into a screw hole 23 and is fixedly arranged on a tool circular plate 22, the torque wrench 6 and the bolt sleeve 7 are arranged on the tool bolt 5, an appropriate torque is selected, the applied pretightening force is controlled by the torque wrench 6, the tightening tool 2 is transmitted through the tool bolt 5, the clamping jaw 21 of the tightening tool 2 transmits the tightening force to the locking nut 4 through the clamping groove in the outer circle of the locking nut 4, and therefore the tightening of the locking nut 4 is achieved.

The utility model provides a frock adopts enough light spare parts to make up and assembles, utilizes the structural feature of wind-powered electricity generation gear box shafting itself, realizes lock nut 4's pretension and the size of effective control pretightning force. The high-speed shaft system 3 is fixed by utilizing the characteristics of the high-speed shaft system 3 and the actual conditions of a factory so as to prevent the locking nut 4 from being pre-tightened in the later period; according to lock nut 4 structure itself, 2 sizes of frock are screwed up in supporting design, realize torsion's switching through screwing up frock 2, and effective control pretightning force size reduces the risk that manual operation, pound etc. produced hard, improves the reliability of assembly.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an installation frock of wind-powered electricity generation gear box high speed shafting lock nut which characterized in that:

the high-speed shaft system is vertically arranged and fixedly installed on the fixed tool; the end surface of the blade end of the high-speed shafting faces the lower shafting part and is arranged below the locking nut; the tightening tool main body is a sleeve, a plurality of downward extending sheet-shaped bulges are uniformly distributed on the circumference of the lower end surface of the sleeve and used as clamping jaws, a tool circular plate is welded on the upper end surface of the sleeve, and a screw hole is formed in the end surface of the tool circular plate; one side of a clamping jaw of the tightening tool is sleeved into a clamping groove in the excircle of the locking nut, a tool bolt is screwed into a screw hole formed in the end face of the tool circular plate and is fixedly arranged on the tool circular plate, and a torque wrench and a bolt sleeve are arranged on the tool bolt.

2. The mounting tool for the locking nut of the high-speed shafting of the wind power gear box, according to claim 1, is characterized in that: the fixing tool is provided with a through hole, and a bolt penetrates through the through hole and is then screwed with the ground track; the fixing tool is provided with a through hole and a groove which are coaxial, the high-speed shaft system is vertically arranged, the end face of the blade end of the high-speed shaft system is arranged on the upper surface of the groove, a bolt penetrates through the through hole and then is screwed in a screw hole formed in the end face of the blade end of the high-speed shaft system, and a bearing at the blade end of the high-speed shaft system is embedded in the groove.

3. The mounting tool for the locking nut of the high-speed shafting of the wind power gear box, according to claim 2, is characterized in that: the fixed tool is composed of a circular plate and a plurality of fixed connecting blocks uniformly welded around the circular plate, and through holes for connecting ground rails are arranged on the fixed connecting blocks in a screwed mode; the through hole and the groove of the coaxial line are arranged on the circular plate.

4. The mounting tool for the locking nut of the high-speed shafting of the wind power gear box, according to claim 1, is characterized in that: the excircle of the sleeve is welded with a U-shaped handle.