Maintenance auxiliary device for head of screw compressor

Abstract

The utility model relates to the technical field of compressors, in particular to a screw compressor head maintenance auxiliary device which comprises a support (1). A fixing structure is arranged on the bracket (1); the fixing structure is connected with the compressor (2); the compressor can be fixed to the support through the fixing structure, and the compressor can be lifted on the support, so that a machine head foot margin of the compressor is lifted to a certain height from the ground. At the moment, bearing shells at the two ends of the compressor can be effectively disassembled; the interference of the machine head foot margin on the bearing shell dismounting and mounting can be avoided, and the maintenance work efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of compressor technology, and more specifically, to a screw compressor head maintenance auxiliary device. Background Technology

[0002] When the screw compressor head needs maintenance, the installation method of the screw compressor head is as follows: the screw is installed in the middle of the machine body, and the bearings and bearing housings are installed at both ends. The four feet of the compressor head are exactly below the bearing installation positions. When disassembling the bearings and screw, the feet interfere with the disassembly operation, making maintenance work impossible.

[0003] The applicant discovered through a search that Chinese patent document CN 106762655 A, published on May 31, 2017, discloses a scroll compressor bracket and a scroll compressor. The scroll compressor bracket includes at least one slide groove for engaging with a cross-shaped slip ring of the scroll compressor. A vent hole is also provided inside the slide groove, extending through the bracket along its axial direction. Along the rotation direction of the compressor motor shaft, the slide groove includes a first side upstream and a second side downstream. A groove channel is also provided on the bracket adjacent to the second side and communicating with the slide groove. This device also fails to solve the aforementioned technical problem.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide a screw compressor head maintenance auxiliary device that facilitates the maintenance of screw compressors. Utility Model Content

[0005] The purpose of this utility model is to provide a screw compressor head maintenance auxiliary device that can avoid interference from the ground foot during operation and facilitate the disassembly and maintenance of the compressor head.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a screw compressor head maintenance auxiliary device, including a bracket; a fixing structure is provided on the bracket; the fixing structure is connected to the compressor.

[0007] The bracket includes a support rod; the top of the support rod is provided with a mounting frame; the fixing structure is provided on the mounting frame.

[0008] The fixing structure includes a first flange; the first flange is disposed on the top of the mounting frame; the mounting frame is provided with a mounting groove; the first flange is provided with a screw; the screw passes through the mounting groove and is connected to the compressor.

[0009] The compressor includes an air inlet; a second flange is provided on the air inlet; and the screw is connected to the second flange.

[0010] The second flange is provided with a threaded hole; one end of the screw is connected to the first flange, and the other end of the screw is connected to the threaded hole.

[0011] The first flange is provided with a screw mounting hole; the end of the screw extends out of the screw mounting hole and is connected with a nut.

[0012] The first flange is provided with multiple screw mounting holes.

[0013] The support rods are respectively located on both sides of the mounting frame; the compressor is located between adjacent support rods.

[0014] The air inlet is located on the top surface of the compressor; bearing housings are located on both sides of the compressor; and a machine head foot is located on one side of the bearing housing.

[0015] The beneficial effects of this application are as follows:

[0016] The bracket height of this application is greater than the compressor height; the first flange is welded to the top of the mounting frame; one end of the screw is tightened into the threaded hole of the second flange, and the other end of the screw is connected to the first flange by a nut; by tightening the nut, the compressor head foot can be raised to about 10 cm off the ground; at this time, the bearing housings at both ends can be effectively disassembled; this effectively avoids interference from the compressor head foot on the disassembly and assembly of the bearing housings, effectively improving maintenance efficiency; at the same time, this device has a simple structure, strong versatility, and low manufacturing cost, saving production costs. Attached Figure Description

[0017] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein:

[0018] Figure 1 This is a schematic diagram of the auxiliary device for the maintenance of the screw compressor head.

[0019] The markings in the above figures are all:

[0020] The diagram is marked as follows:

[0021] 1. Bracket,

[0022] 2. Compressor, 201. Air inlet, 202. Second flange, 203. Threaded hole.

[0023] 3. Support rod,

[0024] 4. Install the frame, 401, and install the slot.

[0025] 5. First flange, 501. Screw, 502. Nut.

[0026] 6. Bearing housing, 601. Machine head base. Detailed Implementation

[0027] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of this utility model, and to facilitate its implementation.

[0028] Figure 1 The screw compressor head maintenance auxiliary device shown includes a bracket 1; a fixing structure is provided on the bracket 1; the fixing structure is connected to the compressor 2.

[0029] The fixed structure can fix the compressor 2 on the bracket 1 and lift the compressor 2 on the bracket 1, so that the compressor head foot 601 of the compressor 2 is raised from the ground to a certain height; at this time, the bearing housing 6 at both ends of the compressor 2 can be effectively disassembled; the compressor head foot 601 can avoid interfering with the disassembly and assembly of the bearing housing 6, and effectively improve the efficiency of maintenance work.

[0030] The bracket 1 includes a support rod 3; the top of the support rod 3 is provided with a mounting frame 4; and the fixing structure is provided on the mounting frame 4.

[0031] The mounting frame 4 is a square frame; each of the four corners of the mounting frame 4 is equipped with a support rod 3; the support rod 3 is a square rod; the mounting frame 4 and the support rod 3 are an integral structure; the support rod 3 can provide stable support for the mounting frame 4 and the fixed structure.

[0032] The fixed structure includes a first flange 5; the first flange 5 is located on the top of the mounting frame 4; the mounting frame 4 is provided with a mounting groove 401; the first flange 5 is provided with a screw 501; the screw 501 passes through the mounting groove 401 and is connected to the compressor 2.

[0033] The mounting groove 401 is a square groove and is a through groove; the first flange 5 is welded to the top surface of the mounting frame 4 and is located in the middle of the mounting frame 4; multiple screws 501 are connected to the first flange 5; the ends of the screws 501 away from the first flange 5 all pass through the mounting groove 401 and are fixedly connected to the compressor 2, thereby enabling the compressor 2 to be fixed and lifted on the bracket 1.

[0034] The compressor 2 includes an air inlet 201; a second flange 202 is provided on the air inlet 201; and the screw 501 is connected to the second flange 202.

[0035] The air inlet 201 is located on the top of the compressor 2; a second flange 202 is installed in the air inlet 201; multiple screws 501 are fixedly connected to the second flange 202, which can realize the fixed connection between the second flange 202 and the first flange 5, thereby enabling the compressor 2 to be stably connected on the bracket 1, which facilitates the maintenance operation of the compressor 2.

[0036] The second flange 202 is provided with a threaded hole 203; one end of the screw 501 is connected to the first flange 5, and the other end of the screw 501 is connected to the threaded hole 203.

[0037] The second flange 202 is provided with multiple threaded holes 203; the screw 501 is provided with external threads, and the threaded holes 203 are provided with internal threads; the external threads and internal threads are engaged to realize the threaded connection between the screw 501 and the second flange 202, thereby realizing the stable connection between the screw 501 and the second flange 202.

[0038] The first flange 5 is provided with a screw mounting hole; the end of the screw 501 extends out of the screw mounting hole and is connected to a nut 502.

[0039] The first flange 5 is provided with multiple screw mounting holes; the screw mounting holes are through holes and are evenly distributed on the first flange 5; the end of the screw 501 extends from the screw mounting hole to the top of the first flange 5, and the vertical height of the compressor 2 on the bracket 1 can be adjusted by rotating the nut 502.

[0040] The first flange 5 has multiple screw mounting holes.

[0041] Each of the multiple screw mounting holes is equipped with a screw 501; the multiple screws 501 simultaneously connect the first flange 5 and the second flange 202, which can ensure that the first flange 5 is subjected to uniform force, making the connection structure more stable.

[0042] Support rods 3 are respectively located on both sides of the mounting frame 4; compressor 2 is located between adjacent support rods 3.

[0043] Support rods 3 are located at the bottom of both sides of the mounting frame 4; compressor 2 is mounted on bracket 1 and located between the support rods 3 on both sides; support rods 3 can provide stable support for mounting frame 4 and compressor 2.

[0044] The air inlet 201 is located on the top surface of the compressor 2; bearing housings 6 are respectively provided on both sides of the compressor 2; a machine head foot 601 is provided on one side of the bearing housing 6.

[0045] The bearing housing 6 is installed at both ends of the compressor 2; the compressor head foot 601 is installed on the side of the bearing housing 6 away from the compressor 2; the compressor head foot 601 has a V-shaped structure, which can provide stable support for the compressor 2.

[0046] The specific workflow of this utility model is as follows:

[0047] First, measure the dimensions of the second flange 202 of the compressor 2's air inlet 201, and fabricate a first flange 5 of the same specifications. Then, fabricate a rectangular bracket 1 using 10# channel steel, with the support rod 3 of the bracket 1 being approximately 10 cm higher than the compressor 2. Weld the fabricated first flange 5 to the middle of the mounting frame 4 of the bracket 1. Using the threaded holes 203 of the second flange 202, horizontally fix the compressor 2 to the fixture. With the compressor head feet 601 approximately 10 cm off the ground, the bearing housings 6 at both ends can be effectively disassembled. The above description, in conjunction with the accompanying drawings, provides an exemplary account of this utility model. Obviously, the specific implementation of this utility model is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of this utility model, or the direct application of the above-described concept and technical solution of this utility model to other situations without modification, are all within the protection scope of this utility model.

Claims

1. A screw compressor head maintenance auxiliary device, characterized in that: Includes a bracket (1); the bracket (1) is provided with a fixing structure; the fixing structure is connected to the compressor (2); The bracket (1) includes a support rod (3); the top of the support rod (3) is provided with a mounting frame (4); the fixing structure is provided on the mounting frame (4); The fixing structure includes a first flange (5); the first flange (5) is located on the top of the mounting frame (4); the mounting frame (4) is provided with a mounting groove (401); the first flange (5) is provided with a screw (501); the screw (501) passes through the mounting groove (401) and is connected to the compressor (2).

2. The screw compressor head maintenance auxiliary device according to claim 1, characterized in that: The compressor (2) includes an air inlet (201); a second flange (202) is provided on the air inlet (201); and the screw (501) is connected to the second flange (202).

3. The screw compressor head maintenance auxiliary device according to claim 2, characterized in that: The second flange (202) is provided with a threaded hole (203); one end of the screw (501) is connected to the first flange (5), and the other end of the screw (501) is connected to the threaded hole (203).

4. A screw compressor head maintenance auxiliary device according to any one of claims 2-3, characterized in that: The first flange (5) is provided with a screw mounting hole; the end of the screw (501) extends out from the screw mounting hole and is connected to a nut (502).

5. A screw compressor head maintenance auxiliary device according to claim 4, characterized in that: The first flange (5) is provided with multiple screw mounting holes.

6. A screw compressor head maintenance auxiliary device according to claim 5, characterized in that: The support rods (3) are respectively located on both sides of the mounting frame (4); the compressor (2) is located between adjacent support rods (3).

7. A screw compressor head maintenance auxiliary device according to any one of claims 5-6, characterized in that: The air inlet (201) is located on the top surface of the compressor (2); bearing housings (6) are respectively provided on both sides of the compressor (2); a machine head foot (601) is provided on one side of the bearing housing (6).

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