CN216348338U

CN216348338U - Large-scale explosion-proof motor housing concentricity detection device

Info

Publication number: CN216348338U
Application number: CN202123307758.4U
Authority: CN
Inventors: 褚松林; 王叔强; 程博
Original assignee: Nanyang Chaolian Casting Co ltd
Current assignee: Nanyang Chaolian Casting Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-19
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a concentricity detection device for a large explosion-proof motor shell, which relates to the field of motor detection equipment, aims to prevent shaking and moving, is fixed at a central position, can record concentricity of different positions and reduce measurement resistance, and is used for detecting the concentricity of the motor shell, and the technical scheme is as follows: the base is provided with a supporting mechanism, a sliding chute, a workbench, an L-shaped fixed block and a lifting mechanism, the workbench is provided with a clamping mechanism and an outer gear ring, a power mechanism is rotationally connected with the outer gear ring, the L-shaped fixed block is provided with a pressing mechanism of which the bottom is connected with a buffer mechanism in a shaft mode, the lifting mechanism is provided with scales, a dial indicator and a fixing mechanism, and the right end of the dial indicator is connected with a pulley in a shaft mode; the utility model can prevent shaking by arranging the supporting mechanism; a bidirectional screw is arranged in the clamping mechanism, so that the motor shell can be fixed at the central position; a pressing mechanism is arranged and can be fixed in the vertical direction; scales are arranged, and the concentricity of the motor shell at different positions can be accurately recorded; and a pulley is arranged to reduce the measurement resistance.

Description

Large-scale explosion-proof motor housing concentricity detection device

Technical Field

The utility model relates to the technical field of motor detection equipment, in particular to a large-scale explosion-proof motor shell concentricity detection device.

Background

The explosion-proof motor is a motor which can be used in flammable and explosive places, does not generate electric sparks during operation, is mainly used in coal mines, petroleum and natural gas, petrochemical industry and chemical industry, is widely applied to textile, metallurgy, urban gas, traffic, grain and oil processing, paper making, medicine and other departments, and is used as main power equipment and is generally used for driving pumps, fans, compressors, other transmission machinery and the like.

Coaxiality is an important technical index for evaluating a cylindrical workpiece, coaxiality errors directly influence the assembly and the use of the workpiece, but when the axis of a measured element of the workpiece is extremely short, the coaxiality is very difficult to evaluate, and the coaxiality is usually evaluated by using concentricity; the coaxiality error directly influences the matching precision and the use condition of the workpiece, the concentricity is the non-concentricity of the circle center of the coaxiality error reaction on the section, and the concentricity error is the offset degree of the circle center; concentricity is a special form of coaxiality, when the measured elements are the circle center, the hole on the thin workpiece or the axis of the shaft, the measured axis can be regarded as a measured point, and the coaxiality of the measured axis and the measured element to the reference axis is the concentricity, so that projection measurement can be carried out on the measurement of the concentricity.

The existing motor shell concentricity detection device often has the following problems in use: the base is directly placed on the ground, so that the base is easy to shake in the working engineering of the device, and the concentricity measurement result has errors; when the motor shell is fixed, whether the motor shell is fixed at the central position cannot be determined, and the final measurement result is influenced; the fixing is only carried out in the horizontal or vertical direction, and the movement in other opposite directions is easy; the dial indicator is directly and manually moved to check the communication degree of the motor shell, so that errors are easy to generate, meanwhile, the concentricity of the motor shell at different positions cannot be accurately recorded, and secondary processing is not facilitated; the end part of the dial indicator is directly contacted with the surface of the motor shell, so that the generated resistance is large, and the hard contact of the dial indicator and the motor shell easily causes the damage of the dial indicator or the motor shell in the measuring process.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a large-scale explosion-proof motor shell concentricity detection device which adopts the technical scheme that the device comprises a base and a control circuit, wherein the control circuit is arranged on the base, and a microprocessor is arranged in the control circuit, so that unified control and management are facilitated; the electric power tool further comprises a supporting mechanism, an L-shaped fixing block, a workbench, a clamping mechanism, a power mechanism, a pressing mechanism, a buffering mechanism, a lifting mechanism, a dial indicator, a pulley, a fixing mechanism and a sliding groove, wherein the supporting mechanism is arranged at the bottom of the base in a rectangular array mode and used for supporting, the sliding groove is arranged at the left side of the top of the base, the workbench is connected with a shaft at the middle of the base, the workbench can rotate, the L-shaped fixing block is arranged at the right side of the top of the workbench and used for supporting and fixing, the clamping mechanism and a first through hole located at the central position are arranged at the top of the workbench and respectively used for clamping a motor shell and placing a bulge at the end part of the shell, an outer gear ring is arranged at the bottom of the workbench, the power mechanism is arranged on the base on one side of the workbench and rotatably connected with the outer gear ring to provide power for rotation of the workbench, and the pressing mechanism corresponding to the central position of the workbench is arranged on the L-shaped fixing block, the lifting mechanism is used for compressing a motor shell and preventing the motor shell from moving in the vertical direction, the bottom of the pressing mechanism is connected with a buffer mechanism with a second through hole at the central part of the bottom in a shaft mode, the buffer mechanism prevents the motor shell from being crushed, the lifting mechanism is positively provided with scales, the concentricity of different heights on the motor shell can be accurately and uniformly recorded, secondary processing is facilitated, the bottom of the lifting mechanism is provided with a plurality of sliding blocks which correspond to the sliding grooves in position and are matched with the sliding grooves in size, the lifting mechanism is connected with the base in a sliding mode, the right end of the lifting mechanism is connected with the dial indicator for measuring the concentricity, the lower part of the left end of the lifting mechanism is provided with the fixing mechanism for fixing the lifting mechanism, the right end of the dial indicator is connected with the pulleys in the vertical direction in a shaft mode, the resistance received when the motor shell rotates is reduced, meanwhile, damage to the motor shell and damage to the motor shell due to hard contact can be prevented, and the power mechanism, The pressing mechanisms are all connected with the microprocessor, so that unified operation and management are facilitated.

As a preferred technical scheme of the utility model, the supporting mechanism comprises connecting blocks, universal balls and a triangular support, the bottom of the base is provided with a plurality of connecting blocks which are arranged in a rectangular array, the top of each universal ball is embedded in each connecting block, and the bottom of each universal ball is connected with the triangular support, so that the triangular support can rotate to a certain extent through the universal balls, the supporting mechanism is suitable for complex pavements and firmer after being placed, the device can be prevented from shaking, the bottom of each triangular support is provided with an anti-slip pad which is prevented from sliding, the anti-slip pad is made of silica gel, the anti-slip effect is good, and the physical and chemical properties are stable.

As a preferred technical solution of the present invention, the clamping mechanism includes a bidirectional screw, a hexagon socket nut, a moving block, a rear clamping plate, and a front clamping plate, the bidirectional screw is axially connected to a central portion inside the worktable so that the bidirectional screw can rotate, one end of the bidirectional screw is connected to the hexagon socket nut, the bidirectional screw can be rotated by a tool, the moving block is symmetrically arranged in front and rear directions and engaged with the bidirectional screw so that the moving block can move relatively by rotation of the bidirectional screw, the moving block on the rear side is provided with a plurality of obliquely arranged and bilaterally symmetrical rear clamping plates, the moving block on the front side is provided with a plurality of obliquely arranged and bilaterally symmetrical front clamping plates for clamping a motor housing, the front clamping plate and the rear clamping plates are arranged in a vertically staggered manner to prevent the front clamping plate and the rear clamping plate from colliding with each other and reducing a size range of the motor housing which can be clamped by the clamping mechanism later Little, and the tight face department of clamp all is equipped with the blotter, prevents to press from both sides bad motor housing, rubber is chooseed for use to the material of blotter, and elasticity is good, and is with low costs.

As a preferred technical scheme of the present invention, the power mechanism includes a motor, a rotating shaft, and a gear, the motor is disposed on the base on one side of the workbench, the bottom of the motor is connected to the gear through the rotating shaft to provide power for rotation of the gear, the gear is engaged with the external gear ring at the bottom of the workbench to enable the workbench to rotate, and the motor is connected to the microprocessor to facilitate unified operation and management.

As a preferred technical scheme of the utility model, the pressing mechanism comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is arranged at the top of the L-shaped fixed block and provides power, the bottom of the hydraulic cylinder is connected with the buffer mechanism through the hydraulic rod shaft, so that the buffer mechanism can rotate, and meanwhile, the buffer mechanism provides buffer when a motor shell is pressed, and the hydraulic cylinder is connected with the microprocessor, so that unified control and management are facilitated.

As a preferred technical scheme of the present invention, the buffering mechanism includes an upper fixing plate, a telescopic rod, a spring, and a lower fixing plate, the top of the upper fixing plate is connected to the pressing mechanism, the bottom of the upper fixing plate is connected to the lower fixing plate having the second through hole at the center through the telescopic rod, and the second through hole is used for placing the telescopic rod, and the spring is sleeved on the telescopic rod for damping and buffering.

As a preferred technical scheme of the utility model, the lifting mechanism comprises a shell, a screw, a rotary table, a handle and a connecting plate, the bottom of the shell is slidably connected with the sliding groove, the lower part of the left side of the shell is provided with the fixing mechanism for fixing the shell, the front side of the shell is provided with the scales, the concentricity of the motor shell at different heights can be accurately and uniformly recorded, an inner shaft is connected with the screw to enable the screw to rotate, the top of the screw is connected with the handle through the rotary table to facilitate rotation, and the connecting plate is sleeved in the middle of the screw and connected with the dial indicator to enable the screw to drive the connecting plate and the dial indicator to lift when rotating.

As a preferred technical solution of the present invention, the fixing mechanism includes a fixing plate and a bolt, the fixing plate is disposed at a lower portion of a left side of the lifting mechanism and is used for supporting and fixing, a plurality of threaded holes corresponding to the positions of the sliding grooves are disposed on the fixing plate, the bolt is engaged in the threaded holes, and the lifting mechanism can be fixed by rotating the bolt.

The utility model has the beneficial effects that: by arranging the supporting mechanism, when the triangular support is placed on the bottom surface, the triangular support can be finely adjusted through the universal ball according to the actual shape of the ground, so that the device can be fixed on the uneven ground, the shaking can be prevented, and the fixing is more reliable; by arranging the clamping mechanism, the rotation of the bidirectional screw drives the moving block to move simultaneously, so that the motor shell can be fixed at the central position, and the final measurement result is prevented from being influenced; by arranging the pressing mechanism, the device can be fixed in the vertical direction, so that the device is prevented from moving in the measuring process to cause errors of the measuring result; by arranging the lifting mechanism and the scales, the dial indicator is prevented from being directly moved by hands, the measuring result is prevented from being influenced by shaking of the hands, meanwhile, the scales can enable workers to accurately record the concentricity of the motor shell at different positions, and secondary processing is facilitated; through setting up the pulley, avoided percentage table tip direct contact motor housing surface, the damage that the rigid contact of the two brought has also been avoided in the time that the resistance that produces is littleer.

Drawings

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

FIG. 2 is a schematic left side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic cross-sectional view of a left side view of the clamping mechanism of the present invention;

fig. 5 is a schematic sectional structure view of a front view of the lifting mechanism of the present invention.

In the figure: 1-supporting mechanism, 2-base, 3-L-shaped fixed block, 4-workbench, 5-clamping mechanism, 6-power mechanism, 7-pressing mechanism, 8-buffer mechanism, 9-lifting mechanism, 10-dial indicator, 11-pulley, 12-fixing mechanism and 13-chute.

Detailed Description

Example 1

As shown in fig. 1 to 5, the utility model discloses a concentricity detection device for a large explosion-proof motor shell, which adopts the technical scheme that the concentricity detection device comprises a base 2 and a control circuit, wherein the control circuit is arranged on the base 2, and a microprocessor is arranged in the control circuit, so that the control circuit is convenient to uniformly control and manage; the device is characterized by further comprising a supporting mechanism 1, an L-shaped fixed block 3, a workbench 4, a clamping mechanism 5, a power mechanism 6, a pressing mechanism 7, a buffering mechanism 8, a lifting mechanism 9, a dial indicator 10, pulleys 11, a fixing mechanism 12 and sliding chutes 13, wherein the supporting mechanism 1 is arranged at the bottom of the base 2 in a rectangular array mode and used for supporting and fixing, the sliding chutes 13 are arranged on the left side of the top of the base, the middle of the supporting mechanism is connected with the workbench 4 through a shaft, the workbench 4 can rotate, the L-shaped fixed block 3 is arranged on the right side of the top of the workbench and used for supporting and fixing, the clamping mechanism 5 and a first through hole in the center of the top of the workbench 4 are respectively used for clamping a motor shell and placing a bulge at the end of the motor shell, an outer gear ring is arranged at the bottom of the workbench and convenient to rotate, and the power mechanism 6 is arranged on the base 2 on one side of the workbench 4, the L-shaped fixed block 3 is provided with a pressing mechanism 7 corresponding to the central position of the workbench 4 and used for pressing the top of the motor shell, the bottom of the pressing mechanism 7 is connected with a buffer mechanism 8 with a second through hole at the central position of the bottom, the second through hole is used for placing a bulge at the end part of the motor shell, the buffer mechanism 8 can buffer and absorb shock, the lifting mechanism 9 is positively provided with scales and can accurately record the concentricity of the motor shell at different heights, the bottom is provided with a plurality of sliding blocks which correspond to the sliding grooves 13 and are matched with the sliding grooves in size, so that the lifting mechanism 9 can slide on the base 2, the right end is connected with the dial indicator 10 with a pointer and used for measuring the concentricity, and the lower part of the left end is provided with the fixing mechanism 12, the lifting mechanism 9 is used for fixing, the pulley 11 is axially connected to the right end of the dial indicator 10 in the vertical direction, resistance applied to the motor shell during rotation is reduced, and the power mechanism 6 and the pressing mechanism 7 are both connected with the microprocessor, so that unified control operation is facilitated.

As a preferred technical scheme of the present invention, the supporting mechanism 1 includes a connecting block, a universal ball, and a triangular bracket, the bottom of the base 2 is provided with a plurality of connecting blocks arranged in a rectangular array, the top of the universal ball is embedded in the connecting block, and the bottom of the universal ball is connected to the triangular bracket, so that the triangular bracket can rotate at a certain angle through the universal ball, so that the device can be fixed on an uneven bottom surface, the bottom of the triangular bracket is provided with an anti-slip mat to prevent the device from sliding, the anti-slip mat is made of silica gel, and has a good anti-slip effect and stable physical and chemical properties.

As a preferred technical solution of the present invention, the clamping mechanism 5 includes a bidirectional screw, an inner hexagon nut, a moving block, a rear clamping plate, and a front clamping plate, the bidirectional screw is axially connected to a central portion inside the worktable 4 to enable the bidirectional screw to rotate, the inner hexagon nut is connected to one end of the bidirectional screw, the bidirectional screw can be rotated by a tool, the moving block is symmetrically arranged in front and rear and engaged with the bidirectional screw, the moving block on the rear side is provided with a plurality of rear clamping plates which are obliquely arranged and bilaterally symmetric, the moving block on the front side is provided with a plurality of front clamping plates which are obliquely arranged and bilaterally symmetric to clamp a workpiece, the front clamping plates and the rear clamping plates are arranged in a vertically staggered manner to increase a clamping range, and a cushion pad is disposed on a clamping surface to prevent a motor housing from being damaged, the cushion pad is made of rubber, good elasticity and low cost.

As a preferred technical scheme of the present invention, the power mechanism 6 includes a motor, a rotating shaft, and a gear, the motor is disposed on the base 2 on one side of the worktable 4, the bottom of the motor is connected to the gear through the rotating shaft to provide power for rotation of the gear, the gear is engaged with the external gear ring at the bottom of the worktable 4 to enable the worktable 4 to rotate, and the motor is connected to the microprocessor to facilitate unified operation and management.

As a preferred technical scheme of the present invention, the pressing mechanism 7 includes a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is disposed on the top of the L-shaped fixing block, the bottom of the hydraulic cylinder is connected to the buffer mechanism 8 through the hydraulic rod shaft to provide power for the lifting of the buffer mechanism 8, and the hydraulic cylinder is connected to the microprocessor to facilitate the unified control and management.

As a preferred technical solution of the present invention, the buffering mechanism 8 includes an upper fixing plate, a telescopic rod, a spring, and a lower fixing plate, the top of the upper fixing plate is connected to the pressing mechanism 7, so that the upper fixing plate can rotate and lift, the bottom of the upper fixing plate is connected to the lower fixing plate having the second through hole at the center through the telescopic rod, and the lower fixing plate is used for pressing the motor housing, the second through hole is used for placing a protrusion at the end of the motor housing, and the telescopic rod is sleeved with the spring to provide elasticity for buffering and shock absorption.

As a preferred technical solution of the present invention, the lifting mechanism 9 includes a housing, a screw, a turntable, a handle, and a connecting plate, the bottom of the housing is slidably connected to the chute 13, so that the housing can slide on the base 2, the lower portion of the left side is provided with the fixing mechanism 12 for fixing the housing, the front side is provided with the scale, concentricity of the motor housing at different heights can be accurately recorded, the internal shaft is connected to the screw, so that the screw can rotate, the top of the screw is connected to the handle through the turntable, so as to facilitate rotation, the connecting plate is sleeved on the middle of the screw and is connected to the dial indicator 10, and the lifting operation of the dial indicator 10 can be realized through rotation of the screw.

As a preferred technical solution of the present invention, the fixing mechanism 12 includes a fixing plate and a bolt, the fixing plate is disposed at the lower portion of the left side of the lifting mechanism 9 for supporting and fixing, and a plurality of threaded holes corresponding to the positions of the sliding grooves 13 are disposed on the fixing plate, the bolt is engaged in the threaded holes, and the lifting mechanism can be fixed by tightening the bolt.

The working principle of the utility model is as follows: first place the device in the assigned position, supporting mechanism 1 can finely tune by oneself according to the shape of the ground, prevent that base 2 from rocking, place motor housing on workstation 4, fix it at the central point of workstation 4 through clamping mechanism 5, start hold-down mechanism 7 on the L shape fixed block 3, make buffer gear 8 compress tightly motor housing top surface, remove elevating system 9 through spout 13, make the landing 11 of percentage table 10 tip contact the surface of motor housing, then fix through fixed establishment 12, later start power unit 6, make motor housing rotatory, can carry out the detection of concentricity to motor housing, still can measure the concentricity on the different heights of motor housing through elevating system 9.

The microprocessor adopts an Edimell 89C51 type singlechip for starting and stopping the motor, and technical personnel in the field can obtain technical inspiration by referring to teaching materials or technical manuals published by manufacturers through pins and connection modes of 89C 51.

The circuit connections according to the utility model are conventional means used by the person skilled in the art and can be suggested by a limited number of tests, which are common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A large-scale explosion-proof motor shell concentricity detection device comprises a base (2) and a control circuit, wherein the control circuit is arranged on the base (2), and a microprocessor is arranged in the control circuit; the method is characterized in that: the device is characterized by further comprising a supporting mechanism (1), an L-shaped fixing block (3), a workbench (4), a clamping mechanism (5), a power mechanism (6), a pressing mechanism (7), a buffering mechanism (8), a lifting mechanism (9), a dial indicator (10), a pulley (11), a fixing mechanism (12) and a sliding chute (13), wherein the supporting mechanism (1) is arranged at the bottom of the base (2) in a rectangular array mode, the sliding chute (13) is arranged at the left side of the top of the base, the workbench (4) is connected with the middle shaft, the L-shaped fixing block (3) is arranged at the right side of the top of the base, the clamping mechanism (5) and a first through hole located at the center of the workbench (4) are arranged at the top of the workbench (4), an outer gear ring is arranged at the bottom of the workbench (4), and the power mechanism (6) is arranged on the base (2) on one side of the workbench (4) and is rotatably connected with the outer gear ring, be equipped with on L shape fixed block (3) with workstation (4) central point puts correspondingly hold-down mechanism (7), hold-down mechanism (7) bottom hub connection bottom central point has the second through-hole buffer gear (8), elevating system (9) openly are equipped with the scale, the bottom be equipped with a plurality of with spout (13) position is corresponding, size assorted slider, the right-hand member connection has the pointer percentage table (10), the left end lower part is equipped with fixed establishment (12), the right-hand member of percentage table (10) has at vertical direction upper shaft connection pulley (11), power unit (6) hold-down mechanism (7) all with microprocessor connects.

2. The concentricity detection device for the large-scale explosion-proof motor shell according to claim 1, wherein: supporting mechanism (1) is including connecting block, universal ball, A-frame, the bottom of base (2) is equipped with a plurality of rectangle array of being arranged the connecting block, the universal ball top inlays the dress and is in the connecting block, the bottom is connected A-frame, the A-frame bottom is equipped with the slipmat, silica gel is chooseed for use to the material of slipmat.

3. The concentricity detection device for the large-scale explosion-proof motor shell according to claim 1, wherein: clamping mechanism (5) are including two-way screw rod, hexagon socket head cap nut, movable block, back pinch-off blades, preceding pinch-off blades, two-way screw rod coupling is in the inside central part of workstation (4), and one end is connected with hexagon socket head cap nut, the movable block longitudinal symmetry sets up and meshes on the two-way screw rod, the rear side be equipped with a plurality of slopes on the movable block and set up and bilateral symmetry the back pinch-off blades, the front side be equipped with a plurality of slopes on the movable block and set up and bilateral symmetry the preceding pinch-off blades, preceding pinch-off blades with dislocation set from top to bottom in the back pinch-off blades, and the tight face department of clamp all is equipped with the blotter, rubber is chooseed for use to the material of blotter.

4. The concentricity detection device for the large-scale explosion-proof motor shell according to claim 1, wherein: the power mechanism (6) comprises a motor, a rotating shaft and a gear, the motor is arranged on the base (2) on one side of the workbench (4), the bottom of the motor is connected with the gear through the rotating shaft, the gear is meshed with the outer gear ring at the bottom of the workbench (4), and the motor is connected with the microprocessor.

5. The concentricity detection device for the large-scale explosion-proof motor shell according to claim 1, wherein: the pressing mechanism (7) comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is arranged at the top of the L-shaped fixing block, the bottom of the hydraulic cylinder is connected with the buffer mechanism (8) through the hydraulic rod shaft, and the hydraulic cylinder is connected with the microprocessor.

6. The concentricity detection device for the large-scale explosion-proof motor shell according to claim 1, wherein: the buffer mechanism (8) comprises an upper fixing plate, a telescopic rod, a spring and a lower fixing plate, the top of the upper fixing plate is connected with the pressing mechanism (7) through a shaft, the bottom of the upper fixing plate is connected with the lower fixing plate with the second through hole through the telescopic rod, and the spring is sleeved on the telescopic rod.

7. The concentricity detection device for the large-scale explosion-proof motor shell according to claim 1, wherein: elevating system (9) are including casing, screw rod, carousel, handle, connecting plate, casing bottom sliding connection spout (13), left side lower part are equipped with fixed establishment (12), openly are equipped with the scale, internal shaft connect the screw rod, the screw rod top is passed through the carousel is connected the handle, the connecting plate suit is in the middle part of screw rod and be connected with percentage table (10).

8. The concentricity detection device for the large-scale explosion-proof motor shell according to claim 1, wherein: the fixing mechanism (12) comprises a fixing plate and a bolt, the fixing plate is arranged on the lower portion of the left side of the lifting mechanism (9), a plurality of threaded holes corresponding to the sliding grooves (13) are formed in the fixing plate, and the bolt is engaged in the threaded holes.