High-temperature and high-speed mechanical seal test platform

Abstract

The utility model discloses a high-temperature and high-speed mechanical seal test platform which comprises a bottom plate, a motor is installed on one side of the upper end of the bottom plate, a speed increaser is installed on the other side of the upper end of the bottom plate, the driving end of the motor is connected with one end of the speed increaser through a coupler, and an installation test structure is installed on one side of the speed increaser. The mounting and testing structure comprises eight mounting frames, eight screw rods, eight moving blocks, eight positioning screw rods, eight supporting sleeves, a testing box body and eight nuts; the utility model relates to the technical field of mechanical testing, the installation testing structure adopts the matching mode of the lead screw and the moving block, and the positions of the eight positioning screw rods can be adjusted in real time according to the testing box bodies of different specifications, so that the fixing operation of the testing box bodies of different specifications can be met, the overall operation is simple, and the operation is convenient. And the fixing stability of the test box body can be effectively ensured, and meanwhile, the test box body and the speed increaser can be kept in a coaxial position, so that the mechanical sealing effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical test technical field, concretely is a high temperature high speed mechanical seal test platform. BACKGROUND

[0002] Mechanical seal is the common component in industrial equipment, is used to prevent fluid or gas from the gap around rotating shaft or other moving parts leakage. In order to ensure the reliability and efficiency of mechanical seal, manufacturers and research and development department often use mechanical seal test test bench to carry out various performance tests and quality control;

[0003] The current mechanical seal test platform cannot be adjusted according to the specification of test box body, so that when facing different specifications of test box body, the test box body cannot be fixed quickly, so that the fixing operation of test box body is more cumbersome, and the overall installation stability and coaxial effect of test box body cannot be guaranteed, which affects the overall effect of subsequent mechanical seal test, in view of this, for the above problems, there may be technical means to solve in prior art, but the present case wants to provide an alternative or replacement technical scheme. UTILITY MODEL CONTENT

[0004] To achieve the above object, the utility model discloses a high temperature high speed mechanical seal test platform, including the bottom plate, the bottom plate upper end one side is installed motor, the bottom plate upper end other side is installed speed increaser, the motor drive end with the speed increaser one end is connected through the shaft coupling, and the speed increaser one side is installed with installation test structure.

[0005] The installation test structure includes eight mounting frames, eight lead screws, eight moving blocks, eight positioning screws, eight support sleeves, a test box and eight nuts.

[0006] Eight mounting frames are installed on the side wall of the speed increaser, eight lead screws are movably embedded in the eight mounting frames, eight moving blocks are movably embedded in the eight mounting frames and movably sleeved on the upper ends of the eight lead screws, eight positioning screws are installed on the side walls of the eight moving blocks, eight support sleeves are movably sleeved on the upper ends of the eight positioning screws, one end of the test box is movably sleeved on the upper ends of the eight positioning screws, and eight nuts are sleeved on one side of the eight positioning screws.

[0007] Preferably, a cooling air supply structure is installed in the test box, which includes a cooling shell, two water pipes, an air supply pipe, a connecting shaft and an air-tight bearing.

[0008] The cooling shell is located outside the test box body, two water pipes are connected with two sides of the cooling shell respectively, one end of the air pipe is communicated with one end of the test box body, one end of the connecting shaft is connected with the other end of the speed increaser, the outer side of the airproof bearing is connected with the inner wall of the test box body and movably sleeved on the upper end of the connecting shaft.

[0009] Preferably, the speed increaser shell is provided with cooling liquid pipes on both sides.

[0010] Preferably, the moving block is provided with an internal thread at the connecting position with the screw rod.

[0011] Preferably, the screw rod is provided with an operation nut at one end.

[0012] Beneficial effects

[0013] The utility model provides a high temperature high speed mechanical seal test platform has the following beneficial effects: the installation test structure of the case adopts the cooperation mode of screw rod and moving block, can carry out real -time adjustment to the position of eight positioning screw rods according to different specifications of test box body, can therefore satisfy the fixed operation of different specifications test box body, whole operation is simple, and can effectively guarantee the fixed stability of test box body, can make test box body and speed increaser keep coaxial position simultaneously, and then guarantee mechanical seal effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the front view three -dimensional structure schematic diagram of high temperature high speed mechanical seal test platform of the utility model.

[0015] Fig. 2 It is the rear view three -dimensional structure schematic diagram of high temperature high speed mechanical seal test platform of the utility model.

[0016] Fig. 3 It is the partial sectional view structure schematic diagram of high temperature high speed mechanical seal test platform of the utility model.

[0017] In the drawing: 1, bottom plate, 2, motor, 3, speed increaser, 4, mounting frame, 5, screw rod, 6, moving block, 7, positioning screw rod, 8, support sleeve, 9, test box body, 10, nut, 11, cooling shell, 12, water pipe, 13, air pipe, 14, connecting shaft, 15, airproof bearing, 16, cooling liquid pipe, 17, operation nut. DETAILED DESCRIPTION

[0018] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0019] Embodiment: please refer to Figs. 1-3The utility model provides a high temperature high -speed mechanical seal test platform, including the bottom plate 1, the one side of bottom plate 1 upper end is equipped with motor 2, the other side of bottom plate 1 upper end is equipped with speed increaser 3, and the driving end of motor 2 is connected with one end of speed increaser 3 through the shaft coupling, and one side of speed increaser 3 is equipped with installation test structure,

[0020] Installation test structure includes: eight mounting frames 4, eight lead screws 5, eight moving blocks 6, eight positioning screws 7, eight support sleeves 8, test box 9 and eight nuts 10,

[0021] Eight mounting frames 4 are installed on the side wall of speed increaser 3, eight lead screws 5 are movably embedded in eight mounting frames 4 respectively, eight moving blocks 6 are movably embedded in eight mounting frames 4 respectively and movably sleeved on the upper end of eight lead screws 5, eight positioning screws 7 are installed on the side wall of eight moving blocks 6 respectively, eight support sleeves 8 are movably sleeved on the upper end of eight positioning screws 7, test box 9 is movably sleeved on the upper end of eight positioning screws 7, and eight nuts 10 are sleeved on one side of eight positioning screws 7 respectively.

[0022] When mechanical seal test is carried out, the staff first places the bottom plate 1 at the specified position, then connects the motor 2 with the power supply, then installs the gas-tight bearing 15 and the connecting shaft 14 to be tested in the test box 9, then turns the lead screw 5 in the eight mounting frames 4 according to the specification of the test box 9, changes the spacing of the eight moving blocks 6 by cooperation of the lead screw 5 and the moving block 6, until the positioning screw 7 corresponds to the flange hole of the test box 9, the test box 9 is installed and fixed by the nut 10 sleeved on the upper end of the positioning screw 7, and the test box 9 and the moving block 6 keep a specified distance by the support sleeve 8, so as to connect the connecting shaft 14 and the speed increaser 3, after installation, the motor 2 is powered on, the rotating speed is increased under the action of the speed increaser 3, then the gas is injected into the test box 9, the gas tightness is detected by observing the change of the gas pressure in the test box 9, then the overall temperature of the test box 9 is controlled to prevent high temperature from causing mechanical seal failure.

[0023] In the specific implementation process, the test box 9 is provided with a cooling and gas feeding structure, which includes a cooling shell 11, two water pipes 12, a gas feeding pipe 13, a connecting shaft 14 and a gas-tight bearing 15.

[0024] The cooling shell 11 is located outside the test box 9, one end of each of the two water pipes 12 is connected to the two sides of the cooling shell 11, one end of the gas feeding pipe 13 is communicated with one end of the test box 9, one end of the connecting shaft 14 is connected to the other end of the speed increaser 3, the outer side of the gas-tight bearing 15 is connected to the inner wall of the test box 9 and movably sleeved on the upper end of the connecting shaft 14.

[0025] When the mechanical seal test is carried out, firstly, the air-tight bearing 15 to be detected is fixed in the test box 9, then the connecting shaft 14 is embedded in the air-tight bearing 15, the connecting shaft 14 is connected with one end of the speed increaser 3, the connecting shaft 14 can rotate with the speed increaser 3 in the air-tight bearing 15, the air pipe 13 is connected with the gas pressurized conveying equipment, the air pressure in the test box 9 is stable, the air pressure in the test box 9 is monitored, then the two water pipes 12 are connected with the liquid cooling conveying equipment, the temperature in the test box 9 is always below 50 DEG C through the cooling shell 11, the high temperature is prevented from causing the mechanical seal failure.

[0026] In the specific implementation process, the cooling liquid pipes 16 are installed on both sides of the speed increaser 3 shell.

[0027] The cooling liquid pipes 16 are connected with the external circulation lubrication system, the gear box of the speed increaser 3 is kept at a low temperature, and the temperature of the speed increaser 3 is always below 60 DEG C.

[0028] In the specific implementation process, the inner thread is processed at the connecting position of the moving block 6 and the screw rod 5.

[0029] In the specific implementation process, the operating nut 17 is installed at one end of the screw rod 5.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-temperature high-speed mechanical seal test platform, comprising a base plate (1), characterized in that, The bottom plate (1) upper end one side is provided with a motor (2), the bottom plate (1) upper end the other side is provided with a speed increaser (3), the motor (2) drive end is connected with one end of the speed increaser (3) through a shaft coupling, one side of the speed increaser (3) is provided with an installation test structure; The installation test structure comprises eight mounting frames (4), eight lead screws (5), eight moving blocks (6), eight positioning screws (7), eight support sleeves (8), a test box (9) and eight nuts (10). Eight mounting frames (4) are mounted on one side wall of the speed increaser (3), eight lead screws (5) are movably embedded in eight mounting frames (4) respectively, eight moving blocks (6) are movably embedded in eight mounting frames (4) respectively and movably sleeved on the upper end of eight lead screws (5), eight positioning screws (7) are mounted on the side wall of eight moving blocks (6) respectively, eight support sleeves (8) are movably sleeved on the upper end of eight positioning screws (7), one end of the test box (9) is movably sleeved on the upper end of eight positioning screws (7), and eight nuts (10) are sleeved on one side of eight positioning screws (7) respectively.

2. The high temperature and high speed mechanical seal test platform of claim 1, wherein, The test box (9) is provided with a cooling air supply structure, and the cooling air supply structure comprises a cooling shell (11), two water pipes (12), an air supply pipe (13), a connecting shaft (14) and an air-tight bearing (15). The cooling shell (11) is located outside the test box (9), one end of each of the two water pipes (12) is connected to the two sides of the cooling shell (11), one end of the air supply pipe (13) is in communication with one end of the test box (9), one end of the connecting shaft (14) is connected to the other end of the speed increaser (3), and the air-tight bearing (15) is connected to the inner wall of the test box (9) on the outside and movably sleeved on the upper end of the connecting shaft (14).

3. The high temperature and high speed mechanical seal test platform of claim 1, wherein, The speed increaser (3) is provided with a cooling liquid pipe (16) on both sides of the shell.

4. The high temperature and high speed mechanical seal test platform of claim 1, wherein, An internal thread is formed on the connection between the moving block (6) and the lead screw (5).

5. The high temperature and high speed mechanical seal test platform of claim 1, wherein, An operating nut (17) is mounted on one end of the lead screw (5).

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