CN112505545A

CN112505545A - Motor load performance testing device

Info

Publication number: CN112505545A
Application number: CN202110022367.3A
Authority: CN
Inventors: 景丽涛
Original assignee: Shanghai Hongmiao Automotive Products Co ltd
Current assignee: Shanghai Sze Electric Co.,Ltd.
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-03-16
Anticipated expiration: 2041-01-08
Also published as: CN112505545B

Abstract

The invention discloses a motor load performance testing device, which comprises a shell, wherein a shell cavity is arranged in the shell, the motor fixing and adjusting device is arranged in the cavity of the shell, the motor fixing and calibrating device is arranged in the motor fixing and adjusting device, the position of the motor to be detected can be adjusted after being fixed, so that the axis of the motor to be detected is coaxial with the detection shaft in the device, the resistance is changed by changing the compression degree of the spring, the load detection of the motor is realized by gear transmission and lead screw transmission, the rotating speed detection device is arranged in the invention, the rotating speed of the motor is calculated by the disconnection frequency between the conducting strip and the conducting ring, thereby obtaining the corresponding parameters of the motor, the invention has ingenious design on the motor load, can quantitatively change the load size, and the load capacity of the motor is calculated by cooperating with the number of turns of the motor, and the electrical parameters of the motor are also measured through the current and the voltage.

Description

Motor load performance testing device

Technical Field

The invention relates to the field of motor correlation, in particular to a motor load performance testing device.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, a plurality of transmissions in mechanical equipment can not drive the motor, the performance requirements of the motor in different scenes are different, the performance of the motor is influenced by various factors, so that the motor with the same performance is difficult to be fixedly produced, the individual difference of the motor needs external detection, and the rated load capacity of the motor is different due to different constitutions of the motor, so that the external test needs to be carried out to mark a limited range.

Disclosure of Invention

The invention aims to provide a motor load performance testing device to overcome the situation.

The invention is realized by the following technical scheme.

The invention relates to a motor load performance testing device, which comprises a shell, wherein a shell cavity with a left opening is arranged in the shell, a motor fixing and adjusting device is arranged in the shell cavity, the motor fixing and adjusting device comprises a motor fixing outer frame, an outer frame cavity with a left opening and a right opening is arranged in the motor fixing outer frame, adjusting sliding grooves are respectively arranged on the upper side and the right side of the outer frame cavity, an included angle between the two adjusting sliding grooves is ninety degrees, the two adjusting sliding grooves are respectively arranged in the upper side wall of the outer frame cavity and the front side wall of the outer frame cavity, an adjusting sliding block is arranged in the adjusting sliding grooves in a sliding manner, an adjusting motor is fixedly arranged at one end of the adjusting sliding block close to the outer frame cavity, an adjusting screw rod is rotatably arranged at one end of the adjusting motor close to the outer frame cavity, an adjusting, the two adjusting screw rods are respectively and rotatably arranged in the rear side wall of the cavity of the adjusting frame and the lower side wall of the cavity of the adjusting frame, the adjusting screw rods and the adjusting frame are in transmission through threaded engagement, two fixing bases are arranged in the cavity of the adjusting frame, the two fixing bases are respectively and fixedly arranged on the rear inner wall of the cavity of the adjusting frame and the lower inner wall of the cavity of the adjusting frame, the included angle between the two fixing bases is ninety degrees, a base anti-skid sheet is fixedly arranged at one end of the fixing base close to the center of the cavity of the adjusting frame, two pressing blocks are arranged in the cavity of the adjusting frame, the two pressing blocks are respectively and fixedly arranged on the upper inner wall of the cavity of the adjusting frame and the front inner wall of the cavity of the adjusting frame, the included angle between the two pressing blocks is ninety degrees, and a pressing anti-skid sheet is fixedly arranged at one end of the pressing block close to the, the auxiliary shafts are arranged on one side, close to the adjusting frame, of the pressing block, the two auxiliary shafts are fixedly arranged on the inner wall of the upper side of the cavity of the adjusting frame and the inner wall of the front side of the cavity of the adjusting frame respectively, the pressing block is arranged on the auxiliary shafts in a sliding mode, a pressing screw rod is rotatably arranged in the pressing block, the pressing screw rod and the pressing block are in threaded engagement transmission, the two pressing screw rods are rotatably arranged in the upper side wall of the cavity of the adjusting frame and the front side wall of the cavity of the adjusting frame respectively, and a pressing bolt head is fixedly arranged at one end, far away from the pressing block, of the pressing screw rod;

the right side of the motor fixing and adjusting device is provided with a load simulation device, the load simulation device comprises a detection lead screw, the detection lead screw is rotatably arranged on the inner wall of the right side of the cavity of the shell, the left end of the detection lead screw is fixedly provided with a driven gear, the right side of the driven gear is provided with a detection connecting rod, the detection connecting rod and the detection lead screw are in threaded engagement transmission, the lower side of the detection connecting rod is provided with a pushing chute, the pushing chute is arranged in the lower side wall of the cavity of the shell, the opening of the pushing chute is upward, a pushing slide block is slidably arranged in the pushing chute and fixedly arranged at the lower end of the detection connecting rod, the right side of the pushing slide block is provided with a reverse push plate, the reverse push plate is slidably arranged in the pushing chute, the lower side of the pushing, the connecting block sliding groove is communicated with the reverse pushing sliding groove and the pushing sliding groove, a reverse pushing sliding block is arranged in the reverse pushing sliding groove in a sliding mode, the reverse pushing sliding block is fixedly connected with the reverse pushing plate through a reverse pushing connecting block, the reverse pushing connecting block is arranged in the connecting block sliding groove in a sliding mode, a reverse pushing motor is arranged on the right side of the reverse pushing sliding block, the reverse pushing motor is fixedly arranged on the inner wall of the right side of the reverse pushing sliding groove, a reverse pushing screw rod is rotatably arranged at the left end of the reverse pushing motor and penetrates through the left end face and the right end face of the reverse pushing sliding block, the reverse pushing screw rod and the reverse pushing sliding block are in threaded engagement transmission, and a gear clamping groove with a downward opening is;

the utility model discloses a load simulation device, including shell cavity rear side inner wall, ring opening, circular ring connecting plate front end, circular ring cavity downside is equipped with the circular ring opening, the circular ring opening runs through lateral wall under the circular ring cavity, circular ring cavity internal rotation is equipped with the detection axle, it is equipped with metal contact to detect epaxial fixed, metal contact with the contact of the inboard perisporium of circular ring cavity, works as metal contact rotates the circular ring opening part, metal contact with circular ring cavity disconnection contact.

Preferably, the upper side of the motor fixing and adjusting device is provided with an electrifying detector, the electrifying detector is fixedly arranged at the upper end of the shell, a current detection module is embedded in the electrifying detector, a voltage detection module is arranged on the right side of the current detection module, and the voltage detection module is embedded in the electrifying detector.

Preferably, motor fixed regulation apparatus right side is equipped with the smooth storehouse of shaft coupling, the smooth storehouse of shaft coupling is fixed to be set up on the shell cavity rear side inner wall, open-ended shaft coupling slide about being equipped with in the smooth storehouse of shaft coupling, shaft coupling slide internal rotation is equipped with the shaft coupling, just the shaft coupling slides and sets up in the shaft coupling slide, be equipped with the opening shaft hole towards the left in the shaft coupling, the shaft coupling right-hand member is fixed to be equipped with the detection axle, the last fixed driving gear that is equipped with of detection axle, the driving gear with through the tooth meshing transmission between the driven gear.

Preferably, two motor fixing chutes are arranged on the upper side and the lower side of the cavity of the housing, the two motor fixing chutes are vertically symmetrical, the two motor fixing chutes are respectively arranged in the upper side wall and the lower side wall of the cavity of the housing, motor fixing sliding blocks are arranged in the motor fixing chutes in a sliding manner, motor fixing clamping grooves with openings facing away from the cavity of the housing are arranged in the motor fixing sliding blocks, a motor fixing connecting block is fixedly arranged at one end of each motor fixing sliding block, which is close to the motor fixing outer frame, the motor fixing connecting block is fixedly connected with the motor fixing outer frame, a motor moving electromagnet is arranged on the left side of each motor fixing sliding block, the motor moving electromagnet is fixedly arranged on the inner wall of the left side of each motor fixing chute, the motor moving electromagnet is connected with the motor fixing sliding block through a motor pushing spring, and a, the opening of the motor fixing slide way faces the motor fixing slide groove, a motor fixing clamping head is arranged in the motor fixing slide way in a sliding mode, the motor fixing clamping head can be clamped in the motor fixing clamping groove, the motor fixing slide way is far away from the inner wall of one side of the motor fixing slide groove, an electromagnet is fixedly arranged on the inner wall of one side of the motor fixing slide groove, and the electromagnet is connected with the motor fixing clamping head through a motor fixing spring.

Preferably, the fixed pivot base that is equipped with on the inner wall of shell cavity right side, be equipped with the opening in the pivot base cavity towards the left, it is equipped with the sliding block to slide in the pivot base cavity, the sliding block with through sticising spring coupling between the inner wall of pivot base cavity right side, be equipped with the opening in the sliding block towards the left sliding block shaft hole, the sliding block shaft hole is allowed the detection axle gets into, it can to detect the axle the sliding block shaft hole internal rotation.

Preferably, the backstepping spout downside is equipped with three gear slide, and is three the equidistant range of gear slide, gear slide opening up, it is equipped with the gear dop to slide in the gear slide, the gear dop can block in the gear draw-in groove, gear dop downside is equipped with the gear electro-magnet, the gear electro-magnet is fixed to be set up on the gear slide downside inner wall, the gear electro-magnet with pass through gear spring coupling between the gear dop.

Preferably, the motor fixing chuck can be attracted by the withdrawing electromagnet after being electrified, the motor fixing sliding block can be attracted by the motor moving electromagnet after being electrified, and the gear chuck can be attracted by the gear electromagnet after being electrified.

The invention has the beneficial effects that: the invention relates to a fixed calibration device of a built-in motor, which can adjust the position of a motor to be measured after the motor to be measured is fixed, so that the axis of the motor to be measured is coaxial with a detection shaft in the device.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;

FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;

FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The motor load performance testing device described in conjunction with fig. 1-4 comprises a housing 10, a housing cavity 11 with a left opening is provided in the housing 10, a motor fixing and adjusting device 81 is provided in the housing cavity 11, the motor fixing and adjusting device 81 includes a motor fixing outer frame 25, a frame cavity 26 with a left opening and a right opening is provided in the motor fixing outer frame 25, adjusting sliding grooves 35 are respectively provided on the upper side and the right side of the frame cavity 26, an included angle between the two adjusting sliding grooves 35 is ninety degrees, the two adjusting sliding grooves 35 are respectively provided in the upper side wall of the frame cavity 26 and the front side wall of the frame cavity 26, an adjusting slide block 36 is slidably provided in the adjusting sliding grooves 35, an adjusting motor 37 is fixedly provided at one end of the adjusting slide block 36 close to the frame cavity 26, an adjusting screw 31 is rotatably provided at one end of the adjusting motor 37 close to, an adjusting frame 27 is arranged in the outer frame cavity 26, an adjusting frame cavity 28 with a left opening and a right opening is arranged in the adjusting frame 27, two adjusting screw rods 31 are respectively and rotatably arranged in the rear side wall of the adjusting frame cavity 28 and the lower side wall of the adjusting frame cavity 28, the adjusting screw rods 31 and the adjusting frame 27 are in threaded engagement transmission, two fixing bases 29 are arranged in the adjusting frame cavity 28, the two fixing bases 29 are respectively and fixedly arranged on the inner wall at the rear side of the adjusting frame cavity 28 and the inner wall at the lower side of the adjusting frame cavity 28, an included angle between the two fixing bases 29 is ninety degrees, a base anti-skid sheet 30 is fixedly arranged at one end of each fixing base 29 close to the center of the adjusting frame cavity 28, two pressing blocks 33 are arranged in the adjusting frame cavity 28, the two pressing blocks 33 are respectively and fixedly arranged on the inner wall at the upper side of the adjusting frame cavity 28 and the inner wall at the front side of the adjusting frame cavity 28, an included angle between the two pressing blocks 33 is ninety degrees, one end of each pressing block 33, which is close to the center of the adjusting frame cavity 28, is fixedly provided with a pressing anti-slip sheet 34, one side of each pressing block 33, which is close to the adjusting frame 27, is provided with an auxiliary shaft 32, the two auxiliary shafts 32 are respectively and fixedly arranged on the inner wall of the upper side of the adjusting frame cavity 28 and the inner wall of the front side of the adjusting frame cavity 28, the pressing blocks 33 are arranged on the auxiliary shafts 32 in a sliding manner, a pressing screw rod 38 is rotationally arranged in each pressing block 33, the pressing screw rod 38 and the pressing blocks 33 are in threaded engagement transmission, the two pressing screw rods 38 are respectively and rotatably arranged in the upper side wall of the adjusting frame cavity 28 and the front side wall of the adjusting frame cavity 28, and one end of each pressing screw rod 38, which is far away from the pressing block 33, is;

the right side of the motor fixing and adjusting device 81 is provided with a load simulation device 82, the load simulation device 82 comprises a detection screw rod 51, the detection screw rod 51 is rotatably arranged on the inner wall of the right side of the shell cavity 11, the left end of the detection screw rod 51 is fixedly provided with a driven gear 50, the right side of the driven gear 50 is provided with a detection connecting rod 52, the detection connecting rod 52 and the detection screw rod 51 are in threaded engagement transmission, the lower side of the detection connecting rod 52 is provided with a push sliding groove 54, the push sliding groove 54 is arranged in the lower side wall of the shell cavity 11, the opening of the push sliding groove 54 is upward, a push sliding block 53 is arranged in the push sliding groove 54 in a sliding manner, the push sliding block 53 is fixedly arranged at the lower end of the detection connecting rod 52, the right side of the push sliding block 53 is provided with a reverse, a connecting block sliding groove 64 is arranged at the lower side of the pushing sliding groove 54, a closed reverse pushing sliding groove 72 is arranged at the lower side of the connecting block sliding groove 64, the connecting block sliding groove 64 is communicated with the reverse pushing sliding groove 72 and the pushing sliding groove 54, a reverse pushing sliding block 66 is arranged in the reverse pushing sliding groove 72 in a sliding manner, the reverse pushing slide block 66 is fixedly connected with the reverse pushing plate 56 through a reverse pushing connecting block 65, the reverse pushing connecting block 65 is arranged in the connecting block sliding groove 64 in a sliding way, the reverse pushing motor 63 is arranged on the right side of the reverse pushing sliding block 66, the reverse-thrust motor 63 is fixedly arranged on the inner wall of the right side of the reverse-thrust chute 72, a reverse-thrust screw rod 67 is rotatably arranged at the left end of the reverse-thrust motor 63, the reverse pushing screw rod 67 penetrates through the left end surface and the right end surface of the reverse pushing slide block 66, the reverse pushing screw rod 67 and the reverse pushing slide block 66 are in meshed transmission through threads, and a gear clamping groove 73 with a downward opening is formed in the reverse pushing slide block 66;

load analogue means 82 upside is equipped with pivot meter circle device 83, pivot meter circle device 83 includes ring connecting plate 62, ring connecting plate 62 is fixed to be set up on the shell cavity 11 rear side inner wall, ring connecting plate 62 front end is fixed to be equipped with circular 46 of circular, circular 47 that is equipped with left right opening in the circular 46 of circular that circular, circular 47 downside is equipped with circular opening 49, circular opening 49 runs through circular cavity 47 lower wall, circular cavity 47 internal rotation is equipped with detects axle 44, it is fixed with metal contact 48 on the detection axle 44, metal contact 48 with the inboard perisporium contact of circular cavity 47, work as metal contact 48 rotates ring opening 49 department, metal contact 48 with circular cavity 47 disconnection contact.

Beneficially, the upper side of the motor fixing and adjusting device 81 is provided with an energization detector 12, the energization detector 12 is fixedly arranged at the upper end of the housing 10, a current detection module 13 is embedded in the energization detector 12, a voltage detection module 14 is arranged at the right side of the current detection module 13, and the voltage detection module 14 is embedded in the energization detector 12.

Beneficially, motor fixing and adjusting device 81 right side is equipped with coupler sliding cabin 40, coupler sliding cabin 40 is fixed to be set up on shell cavity 11 rear side inner wall, open-ended coupler slide 43 about being equipped with in the coupler sliding cabin 40, the internal rotation of coupler slide 43 is equipped with shaft coupling 42, just shaft coupling 42 slides and sets up in the coupler slide 43, be equipped with opening shaft hole 41 towards the left in the shaft coupling 42, shaft coupling 42 right-hand member is fixed to be equipped with detect axle 44, detect the fixed driving gear 45 that is equipped with on the axle 44, driving gear 45 with through the tooth meshing transmission between the driven gear 50.

Beneficially, two motor fixing sliding grooves 21 are arranged on the upper side and the lower side of the housing cavity 11, the two motor fixing sliding grooves 21 are vertically symmetrical, the two motor fixing sliding grooves 21 are respectively arranged in the upper side wall and the lower side wall of the housing cavity 11, a motor fixing sliding block 20 is slidably arranged in the motor fixing sliding grooves 21, a motor fixing clamping groove 19 with an opening facing away from the housing cavity 11 is arranged in the motor fixing sliding block 20, a motor fixing connecting block 24 is fixedly arranged at one end, close to a motor fixing outer frame 25, of the motor fixing sliding block 20, the motor fixing connecting block 24 is fixedly connected with the motor fixing outer frame 25, a motor moving electromagnet 23 is arranged on the left side of the motor fixing sliding block 20, the motor moving electromagnet 23 is fixedly arranged on the inner wall on the left side of the motor fixing sliding groove 21, and the motor moving electromagnet 23 is connected with the motor, the utility model discloses a motor fixed sliding way 21, including shell cavity 11, motor fixed sliding way 21, motor fixed sliding way 16 opening court motor fixed sliding way 21, it is equipped with motor fixed dop 18 to slide in the motor fixed sliding way 16, motor fixed dop 18 can block in the motor fixed slot 19, motor fixed sliding way 16 is kept away from fixed being equipped with on the inner wall of motor fixed sliding way 21 one side and withdrawing electro-magnet 15, withdraw electro-magnet 15 with connect through motor fixed spring 17 between the motor fixed dop 18.

Advantageously, a rotating shaft base 57 is fixedly arranged on the inner wall of the right side of the housing cavity 11, a rotating shaft base cavity 58 with a leftward opening is arranged in the rotating shaft base 57, a sliding block 59 is slidably arranged in the rotating shaft base cavity 58, the sliding block 59 is connected with the inner wall of the right side of the rotating shaft base cavity 58 through a compression spring 60, a sliding block shaft hole 61 with a leftward opening is arranged in the sliding block 59, the sliding block shaft hole 61 allows the detection shaft 44 to enter, and the detection shaft 44 can rotate in the sliding block shaft hole 61.

Beneficially, reverse thrust runner 72 downside is equipped with three gear slide 69, three gear slide 69 equidistant range, gear slide 69 opening up, it is equipped with gear dop 71 to slide in gear slide 69, gear dop 71 can block in gear draw-in groove 73, gear dop 71 downside is equipped with gear electro-magnet 68, gear electro-magnet 68 is fixed to be set up on the inner wall of gear slide 69 downside, gear electro-magnet 68 with connect through gear spring 70 between the gear dop 71.

Advantageously, the motor fixing chuck 18 is attracted by the retracting electromagnet 15 after being energized, the motor fixing slider 20 is attracted by the motor moving electromagnet 23 after being energized, and the shift position chuck 71 is attracted by the shift position electromagnet 68 after being energized.

In the initial state, the motor moving electromagnet 23 is not energized, the motor pushing spring 22 is in the normal state, the retracting electromagnet 15 is not energized, the motor fixing spring 17 is in the normal state, the energization detector 12 is not turned on, the shift position electromagnet 68 is not energized, and the shift position spring 70 is in the normal state.

When the motor is tested, the withdrawing electromagnet 15 is electrified to generate attraction force, the withdrawing electromagnet 15 attracts the motor fixing chuck 18 to move close to the withdrawing electromagnet 15, the motor fixing chuck 18 is separated from the motor fixing clamping groove 19, the motor fixing chuck 18 does not clamp the motor fixing slide block 20, then the motor moving electromagnet 23 is electrified to generate attraction force, the motor moving electromagnet 23 attracts the motor fixing slide block 20 to move leftwards, the motor fixing slide block 20 drives the motor fixing outer frame 25 to move leftwards through the motor fixing connecting block 24 until the motor fixing outer frame 25 moves to the leftmost side, then the motor to be tested is placed in the adjusting frame cavity 28, the two pressing bolt heads 39 are rotated through a wrench, the two pressing bolt heads 39 drive the two pressing screw rods 38 to rotate, so as to drive the two pressing blocks 33 to move, and the two pressing blocks 33 press the motor to be tested through the pressing, so that the motor to be detected is fixed between the two base anti-skid sheets 30 and the two pressing anti-skid sheets 34, then the two adjusting motors 37 start to work, the two adjusting motors 37 work cooperatively, the adjusting motors 37 drive the adjusting screw rods 31 to rotate, the upper adjusting screw rod 31 drives the adjusting frame 27 to move up and down through screw meshing transmission, so as to adjust the up-and-down position of the motor to be detected, the front adjusting screw rod 31 drives the adjusting frame 27 to move back and forth through screw meshing transmission, so as to adjust the front-and-back position of the motor to be detected, so as to adjust the Y-axis and Z-axis positions of the motor to be detected, the axis of the motor to be detected and aligned is coaxial with the detecting shaft 44, then the motor moving electromagnet 23 is powered off, because the motor pushing spring 22 has elastic potential energy, the motor pushing spring 22 pushes the motor fixing slide block 20 to move, until the motor fixing outer frame 25 completely enters the shell cavity 11, the motor shaft to be detected enters the shaft hole 41, the coupler 42 can slide rightwards due to different lengths of the motor shaft to be detected, the coupler is matched with the shafts with different lengths, the compression spring 60 has elastic potential energy, the compression spring 60 pushes the sliding block 59 leftwards, the sliding block 59 pushes the detection shaft 44 leftwards, the detection shaft 44 pushes the coupler 42 leftwards, the coupler 42 is always tightly connected with the shaft to be detected, then the electromagnet 15 is withdrawn, and the motor fixing spring 17 has elastic potential energy, the motor fixing spring 17 pushes the motor fixing chuck 18 to enter the motor fixing clamping groove 19, so that the motor fixing sliding block 20 is clamped, and the motor fixing outer frame 25 cannot deviate leftwards and rightwards;

then the reverse-pushing motor 63 starts to work, the reverse-pushing motor 63 drives the reverse-pushing screw rod 67 to rotate, the reverse-pushing screw rod 67 drives the reverse-pushing slider 66 to move leftwards through threaded engagement transmission, a proper load gear is selected, when the reverse-pushing slider 66 moves to the upper side of a gear chuck 71 of a corresponding gear, the reverse-pushing motor 63 stops working, the gear chuck 71 is clamped in a gear clamping groove 73 at the moment, so that the reverse-pushing slider 66 is limited to move rightwards, the reverse-pushing slider 66 drives the reverse-pushing plate 56 to move leftwards to a specified position through a reverse-pushing connecting block 65, and the reverse-pushing plate 56 pushes the extrusion spring 55 leftwards to compress, so that the elasticity of the extrusion spring 55 on;

then the power detector 12 is turned on, the motor to be detected is started, the voltage and current data of the motor to be detected are detected in real time through the current detection module 13 and the voltage detection module 14, the motor to be detected rotates to drive the coupler 42 to rotate, the coupler 42 drives the detection shaft 44 to rotate, the detection shaft 44 drives the driving gear 45 to rotate, the driving gear 45 drives the driven gear 50 to rotate through gear meshing transmission, the driven gear 50 drives the detection screw rod 51 to rotate, the detection screw rod 51 drives the detection connecting rod 52 to move rightwards through thread meshing transmission, the detection connecting rod 52 drives the pushing slide block 53 to move rightwards, the pushing slide block 53 receives the leftward thrust of the extrusion spring 55 during the rightward movement of the pushing slide block 53, the extrusion spring 55 is gradually compressed, the thrust of the extrusion spring 55 on the pushing slide block 53 is gradually increased, and therefore the working scene of the motor under load, when the detection shaft 44 rotates, the metal contact 48 is driven to rotate, and the metal contact 48 detects the number of rotations and the rotating speed of the motor through disconnection between the metal contact and the energizing ring 46, so that the working condition of the motor is detected when the motor is loaded.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a motor load capability test device, includes the shell, its characterized in that: a shell cavity with a left opening is arranged in the shell, a motor fixing and adjusting device is arranged in the shell cavity, the motor fixing and adjusting device comprises a motor fixing outer frame, a frame cavity with a left opening and a right opening is arranged in the motor fixing outer frame, adjusting sliding grooves are respectively arranged on the upper side and the right side of the frame cavity, the included angle between the two adjusting sliding grooves is ninety degrees, the two adjusting sliding grooves are respectively arranged in the upper side wall of the frame cavity and the front side wall of the frame cavity, an adjusting sliding block is arranged in the adjusting sliding grooves in a sliding manner, an adjusting motor is fixedly arranged at one end of the adjusting sliding block close to the frame cavity, an adjusting screw rod is rotatably arranged at one end of the adjusting motor close to the frame cavity, an adjusting frame is arranged in the frame cavity, the adjusting frame cavity is provided with a left opening and a right opening, and the two adjusting screw rods are respectively rotatably arranged in, the adjusting screw rod and the adjusting frame are in transmission through threaded engagement, two fixing bases are arranged in a cavity of the adjusting frame, the two fixing bases are respectively and fixedly arranged on the inner wall of the rear side of the cavity of the adjusting frame and the inner wall of the lower side of the cavity of the adjusting frame, the included angle between the two fixing bases is ninety degrees, one end of each fixing base, which is close to the center of the cavity of the adjusting frame, is fixedly provided with a base anti-skid sheet, the cavity of the adjusting frame is internally provided with two pressing blocks, the two pressing blocks are respectively and fixedly arranged on the inner wall of the upper side of the cavity of the adjusting frame and the inner wall of the front side of the cavity of the adjusting frame, the included angle between the two pressing blocks is ninety degrees, one end, which is close to the center of the cavity of the adjusting frame, of each pressing block is fixedly provided with a pressing anti-skid sheet, one side, which is close to the adjusting frame, is provided with an auxiliary shaft, and the, the pressing block is arranged on the auxiliary shaft in a sliding mode, a pressing screw rod is rotatably arranged in the pressing block, the pressing screw rod and the pressing block are in threaded engagement transmission, the two pressing screw rods are respectively rotatably arranged in the upper side wall of the cavity of the adjusting frame and the front side wall of the cavity of the adjusting frame, and a pressing bolt head is fixedly arranged at one end, away from the pressing block, of each pressing screw rod;

the right side of the motor fixing and adjusting device is provided with a load simulation device, the load simulation device comprises a detection lead screw, the detection lead screw is rotatably arranged on the inner wall of the right side of the cavity of the shell, the left end of the detection lead screw is fixedly provided with a driven gear, the right side of the driven gear is provided with a detection connecting rod, the detection connecting rod and the detection lead screw are in threaded engagement transmission, the lower side of the detection connecting rod is provided with a pushing chute, the pushing chute is arranged in the lower side wall of the cavity of the shell, the opening of the pushing chute is upward, a pushing slide block is slidably arranged in the pushing chute and fixedly arranged at the lower end of the detection connecting rod, the right side of the pushing slide block is provided with a reverse push plate, the reverse push plate is slidably arranged in the pushing chute, the lower side of the pushing, the connecting block sliding groove is communicated with the reverse pushing sliding groove and the pushing sliding groove, a reverse pushing sliding block is arranged in the reverse pushing sliding groove in a sliding mode, the reverse pushing sliding block is fixedly connected with the reverse pushing plate through a reverse pushing connecting block, the reverse pushing connecting block is arranged in the connecting block sliding groove in a sliding mode, a reverse pushing motor is arranged on the right side of the reverse pushing sliding block, the reverse pushing motor is fixedly arranged on the inner wall of the right side of the reverse pushing sliding groove, a reverse pushing lead screw is rotatably arranged at the left end of the reverse pushing motor and penetrates through the left end face and the right end face of the reverse pushing sliding block, the reverse pushing lead screw and the reverse pushing sliding block are in threaded engagement transmission, and a gear clamping groove with a downward opening is;

2. A motor load performance testing apparatus according to claim 1, wherein: the motor fixing and adjusting device is characterized in that an electrifying detector is arranged on the upper side of the motor fixing and adjusting device and fixedly arranged at the upper end of the shell, a current detection module is embedded in the electrifying detector, a voltage detection module is arranged on the right side of the current detection module, and the voltage detection module is embedded in the electrifying detector.

3. A motor load performance testing apparatus according to claim 1, wherein: the right side of the motor fixing and adjusting device is provided with a coupler sliding bin, the coupler sliding bin is fixedly arranged on the inner wall of the rear side of the shell cavity, a coupler sliding way with a left opening and a right opening is arranged in the coupler sliding bin, a coupler is arranged in the coupler sliding way in a rotating mode and is provided with a coupler, the coupler is arranged in the coupler sliding way in a sliding mode, a shaft hole with a left opening is formed in the coupler, the right end of the coupler is fixedly provided with the detection shaft, a driving gear is fixedly arranged on the detection shaft, and the driving gear is in gear meshing transmission with the driven gear.

4. A motor load performance testing apparatus according to claim 3, wherein: two motor fixing chutes are arranged on the upper side and the lower side of the cavity of the shell, the two motor fixing chutes are symmetrical up and down, the two motor fixing chutes are respectively arranged in the upper side wall and the lower side wall of the cavity of the shell, motor fixing sliding blocks are arranged in the motor fixing chutes in a sliding manner, motor fixing clamping grooves with openings facing away from the cavity of the shell are arranged in the motor fixing sliding blocks, a motor fixing connecting block is fixedly arranged at one end of each motor fixing sliding block close to the motor fixing outer frame, the motor fixing connecting block is fixedly connected with the motor fixing outer frame, a motor moving electromagnet is arranged on the left side of each motor fixing sliding block, the motor moving electromagnet is fixedly arranged on the inner wall of the left side of the motor fixing sliding groove, the motor moving electromagnet is connected with the motor fixing sliding block through a motor pushing spring, and, the opening of the motor fixing slide way faces the motor fixing slide groove, a motor fixing clamping head is arranged in the motor fixing slide way in a sliding mode, the motor fixing clamping head can be clamped in the motor fixing clamping groove, the motor fixing slide way is far away from the inner wall of one side of the motor fixing slide groove, an electromagnet is fixedly arranged on the inner wall of one side of the motor fixing slide groove, and the electromagnet is connected with the motor fixing clamping head through a motor fixing spring.

5. The motor load performance testing device according to claim 4, wherein: the fixed pivot base that is equipped with on the inner wall of shell cavity right side, be equipped with the opening in the pivot base to the left pivot base cavity, it is equipped with the sliding block to slide in the pivot base cavity, the sliding block with through sticising spring coupling between the inner wall of pivot base cavity right side, be equipped with the opening in the sliding block to the left sliding block shaft hole in the sliding block, the sliding block shaft hole is allowed the detection axle gets into, it can to detect the axle sliding block shaft hole internal rotation.

6. A motor load performance testing apparatus according to claim 1, wherein: the reverse-pushing sliding chute is characterized in that three gear sliding ways are arranged on the lower side of the reverse-pushing sliding chute at equal intervals, openings of the gear sliding ways are upward, gear clamping heads are arranged in the gear sliding ways in a sliding mode, the gear clamping heads can be clamped in the gear clamping grooves, gear electromagnets are arranged on the lower sides of the gear clamping heads, the gear electromagnets are fixedly arranged on the inner walls of the lower sides of the gear sliding ways, and the gear electromagnets are connected with the gear clamping heads through gear springs.

7. The motor load performance testing device according to claim 6, wherein: the electric motor fixing chuck can be attracted by the withdrawing electromagnet after being electrified, the electric motor fixing sliding block can be attracted by the electric motor moving electromagnet after being electrified, and the gear chuck can be attracted by the gear electromagnet after being electrified.