CN218017093U - Fir type TRT spacer block batch grinding clamp - Google Patents

Abstract

The utility model provides a fir type TRT separates leaf piece and joins in marriage grinding anchor clamps in batches for solve current separate leaf piece and join in marriage grinding anchor clamps and join in marriage grinding inefficiency, separate the unsafe technical problem of leaf piece clamping. The utility model discloses a fir type TRT spacer block batch match grinding fixture comprises a hollow cuboid shell, a plurality of jackscrew holes are arranged on one group of side surfaces of the shell, a plurality of tool holes for fixing the spacer blocks are arranged on the other group of side surfaces, and every two tool holes arranged in opposite directions are arranged in a staggered manner, and fastening bolts are adopted to pass through the tool holes to fix the spacer blocks on the shell; the lower end of the shell is provided with a boss extending outwards; the lower end of the side surface of the shell is also provided with grooves which are arranged at intervals and used for smoothly discharging cooling liquid in the process of match grinding. The utility model discloses can realize the batch match grinding of polylith spacer leaf piece, match grinding efficiency promotes by a wide margin, and two of subtend installation spacer leaf piece also can the reciprocal anchorage improve the precision of cutting, and then has improved the security that separates the clamping of leaf piece.

Description

Fir type TRT spacer block batch grinding clamp

Technical Field

The utility model belongs to separate the leaf piece jig, concretely relates to fir type TRT separates leaf piece and divides jig in batches.

Background

The blast furnace gas residual pressure turbine power generation device (TRT) is a turbine mechanical device which utilizes the pressure energy and heat energy of the by-products of blast furnace smelting, namely blast furnace top gas, to make the gas work through a turbine expander to drive a generator to generate power. With the development of large-scale blast furnaces in the metallurgical industry, the application of the fir tree blade root large-scale TRT equipment is more and more extensive, and the rotor is used as a main key part in the TRT equipment, so that the production and assembly processes of the rotor are particularly important.

In the assembling process of the rotor, in order to ensure that the axial total clearance of the movable blade, the spacer block and the movable blade meets the design requirement, the axial total clearance is ensured by matching and grinding the end surface of the corresponding spacer block according to the actual situation after the spacer block and the second-stage movable blade are assembled, each unit comprises dozens of spacer blocks, each spacer block is required to be matched and ground, the conventional spacer block matching and grinding clamp can only clamp one spacer block for matching and grinding at each time, the grinding efficiency is low, and potential safety hazards exist in the clamping mode.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current leaf piece cut-off jig cut-off efficiency low, the unsafe technical problem of leaf piece clamping that separates, provide a fir type TRT separates leaf piece and cuts-off jig in batches.

The utility model discloses a fir type TRT spacer block batch match grinding fixture, including hollow cuboid casing, be equipped with a plurality of jackscrew holes on one set of side of casing, be equipped with the frock hole of a plurality of fixed spacer blocks on another set of side, and every two frock holes staggered arrangement that set up to opposite direction, adopt fastening bolt to pass the frock hole and fix the spacer block on the casing; the lower extreme of casing is equipped with the boss of outside extension, can be fixed in the device on corresponding cutting platform to improve the cutting, join in marriage the efficiency of grinding.

Furthermore, the shell can also be of a cubic structure, so that the grinding and fixing requirements of the blade separation blocks with different sizes are met.

Furthermore, the number of the tool holes is 2-8, and the tool holes with corresponding number can be arranged to fix the spacer blocks according to the grinding requirements of the spacer blocks, so that batch matching grinding of the spacer blocks is realized.

Further, the tool hole is internally provided with an internal thread for fixing the spacer block with the clamp through a bolt.

Furthermore, the lower end of the side surface of the shell is provided with grooves which are arranged at intervals and used for smoothly discharging cooling liquid in the process of match grinding.

Furthermore, the shell is made of a magnetic material, so that the shell can be conveniently adsorbed on a workbench of a grinding machine, and the stability of the grinding process is further enhanced.

Compare with current parting blade piece match grinding anchor clamps, the utility model discloses following technological effect has:

1. the utility model discloses a fir type TRT separates leaf piece and joins in marriage grinding anchor clamps in batches sets up a plurality of frock holes in the side of device casing, and every frock hole all can fix a and separate the leaf piece to this batch that can accomplish the polylith and separate the leaf piece is joined in marriage the grinding, and the efficiency of joining in marriage the grinding promotes by a wide margin.

2. The utility model discloses a fir type TRT separates leaf piece and joins in marriage grinding anchor clamps in batches, staggered arrangement between two frock holes of casing side subtend setting, and two of subtend installation separate the precision that the leaf piece also can reciprocal anchorage improve the cutting, have also improved the security that separates the leaf piece clamping simultaneously.

3. The utility model discloses a fir type TRT separates leaf piece and grinds anchor clamps in batches compares current and separates leaf piece and grinds anchor clamps overall structure simple, the relatively low cost of cost.

4. The utility model discloses a fir type TRT separates leaf piece and joins in marriage grinding fixture in batches is equipped with the boss of outside extension at the lower extreme of casing, and whole suitability is stronger, and the mountable is on multiple equipment again, and then improves the efficiency of cutting, joining in marriage grinding.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the batch grinding fixture for fir-tree type TRT spacer blocks of the present invention.

The reference numbers are as follows:

1-shell, 11-jackscrew hole, 12-tooling hole, 13-boss, 14-groove, 2-first side, 3-second side, 4-third side, 41-first tooling hole, 5-fourth side, 51-second tooling hole.

Detailed Description

To make the objects, advantages and features of the present invention clearer, the following detailed description of a fir-tree type TRT spacer block batch match grinding fixture provided by the present invention is made with reference to the accompanying drawings and specific embodiments, wherein the drawings are in a simplified form and use non-precise proportions, and are only used for the purpose of conveniently and clearly assisting in describing the present embodiment. It should be noted that "upper end" and the like in this embodiment mean an end close to the housing through hole, and "lower end" means an end far from the housing through hole, and the terms "first", "second", "third", "fourth" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figure 1, the utility model provides a fir type TRT separates leaf piece and joins in marriage mill anchor clamps in batches, including hollow cuboid or square casing 1, casing 1 adopts magnetic material to make and forms. This embodiment has demonstrated the jig that joins in marriage of cuboid structure, and the casing 1 of anchor clamps does not have the bottom surface from top to bottom, is hollow structure.

In this embodiment, a plurality of jackscrew holes 11 are arranged on a group of side surfaces of the housing 1, that is, a plurality of jackscrew holes 11 are respectively arranged on the first side surface 2 and the second side surface 3, and after the spacer block is fixed on the housing 1, the spacer block is tightly jacked by penetrating the jackscrew holes 11 through bolts, so that the spacer block is prevented from being loosened in the process of grinding, and the grinding precision of the spacer block is improved.

All be equipped with a plurality of frock holes 12 on another group side of casing 1, be equipped with frock hole 12 on third side 4 and the fourth side 5 respectively promptly, the position of frock hole 12 is for will separating the leaf piece installation back, can make and separate the leaf piece to wait that the surface that the cut-off ground flushes with casing 1's upper end, frock hole 12 is equipped with the internal thread, the bolt passes frock hole 12 will separate leaf piece and casing 1 fastening connection, later adopt the bolt to pass jackscrew hole 11 again and will separate the leaf piece top tightly, whole clamping's security promotes by a wide margin. The number of the tool holes 12 is generally 2-8, and the tool holes 12 with specific number can be arranged according to actual requirements, so that batch grinding of a plurality of spacer blocks is realized, and grinding efficiency is improved.

As shown in fig. 1, the two tooling holes 12 oppositely arranged on the third side surface 4 and the fourth side surface 5 are staggered, that is, the central axes of the first tooling hole 41 on the third side surface 4 and the second tooling hole 51 on the fourth side surface 5 are not coaxial. When a plurality of blade spacers are needed to be simultaneously matched and ground, the first blade spacer is fixed on the first tooling hole 41, the second blade spacer is fixed on the second tooling hole 51, and the side surface of the first blade spacer and the side surface of the second blade spacer are meshed with each other, so that the stability of matching and grinding is further improved.

The lower end of the shell 1 is provided with a boss 13 extending outwards, and the arrangement of the boss 13 can fix the grinding jig on a platform, so that the working stability of the grinding jig is improved; on the other hand, the blade separation block can be fixed on other equipment, so that the blade separation block is integrally connected with related equipment, and the cutting and grinding efficiency of the blade separation block is improved.

As a preferred scheme, the lower end of the side surface of the shell 1 is provided with the grooves 14 which are arranged at intervals, and the arrangement of the grooves 14 can smoothly discharge cooling liquid in the cutting and grinding process, so that the safety of the clamp is improved.

The utility model discloses an application principle does: in view of the structural characteristics of the fir-tree type spacer blocks, the three-dimensional fence type shell structure is designed, the grinding requirements of a plurality of spacer blocks can be met simultaneously, and threaded holes are arranged on the periphery (and the side face of the shell) of the clamp and used for screwing in bolts to tightly jack and fix the spacer blocks and the clamp through the bolts; meanwhile, the shell is of a hollow structure, and the lower end of the side face is also provided with a groove, so that cooling liquid in the grinding process can flow out conveniently.

The utility model discloses a join in marriage and grind anchor clamps's use as follows:

(1) Designing a matched grinding clamp matched with the spacer block according to the axial size of the spacer block, and simultaneously arranging a proper amount of tool holes 12 and jackscrew holes 11 on the clamp, wherein the matched grinding clamp is made of a magnetic material;

(2) The supporting legs (namely the bosses 13) of the partition block grinding clamp are downwards arranged on the working table surface of the surface grinding machine, so that a stable working environment is provided for the grinding of the partition block;

(3) Placing the to-be-ground separation blade block in a grinding fixture;

(4) Screwing the bolt, and fastening the spacer block with the grinding clamp;

(5) And opening the grinding machine to cool the liquid, and operating the grinding machine to grind the spacer block.

The utility model discloses a match-grinding anchor clamps have used in the fir type TRT of different models separates the leaf piece match-grinding process, and the match-grinding of separating the leaf piece is effectual, compares current separating the leaf piece match-grinding anchor clamps, the utility model discloses a match-grinding anchor clamps overall structure is simple, and the cost is cheaper, can extensively use.

Although the technical solutions of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fir type TRT separates leaf piece and joins in marriage grinding anchor clamps in batches which characterized in that:

the spacer block fixing device comprises a hollow cuboid shell (1), wherein a plurality of jackscrew holes (11) are formed in one group of side surfaces of the shell (1), a plurality of tool holes (12) for fixing spacer blocks are formed in the other group of side surfaces of the shell (1), every two tool holes (12) arranged in opposite directions are arranged in a staggered mode, and fastening bolts penetrate through the tool holes (12) to fix the spacer blocks on the shell (1); the lower end of the shell (1) is provided with a boss (13) extending outwards.

2. The fir-tree type TRT spacer block batch match grinding clamp according to claim 1, characterized in that: the shell (1) is of a cube structure.

3. The fir-tree type TRT spacer block batch match grinding jig according to claim 1 or 2, characterized in that: the number of the tool holes (12) is 2-8.

4. The fir-tree type TRT spacer block batch match grinding jig according to claim 3, characterized in that: and internal threads are arranged in the tool hole (12).

5. The fir-tree type TRT spacer block batch match grinding fixture according to claim 4, characterized in that: the lower end of the side surface of the shell (1) is provided with grooves (14) which are arranged at intervals.

6. The fir-tree type TRT spacer block batch match grinding fixture according to claim 5, characterized in that: the shell (1) is made of magnetic materials.

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