CN113092105B - Hybrid loading device of high-speed electric spindle and hybrid loading test bed of electric spindle - Google Patents
Hybrid loading device of high-speed electric spindle and hybrid loading test bed of electric spindle Download PDFInfo
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- CN113092105B CN113092105B CN202110369278.6A CN202110369278A CN113092105B CN 113092105 B CN113092105 B CN 113092105B CN 202110369278 A CN202110369278 A CN 202110369278A CN 113092105 B CN113092105 B CN 113092105B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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Abstract
The invention is suitable for the field of machine manufacturing, and provides a hybrid loading device of a high-speed electric spindle and a hybrid loading test bed of the electric spindle, wherein the hybrid loading device of the high-speed electric spindle comprises an installation seat and the electric spindle positioned on one side of the installation seat, and the hybrid loading device of the high-speed electric spindle further comprises: the loading main body is arranged at one end of the electric spindle; the fixing assembly is arranged on one side of the mounting seat close to the electric spindle; the loading assembly is connected with the mounting seat and is used for applying impact force generated by external high-pressure water jet to the loading main body; the electric spindle is clamped and fixed through the fixing assembly, external high-pressure water jet is transmitted to the loading main body through the loading assembly, and the loading main body transmits the impact force to the electric spindle, so that the electric spindle is subjected to mixed loading; the device simple structure, it is convenient to control, and the impact force that produces through rivers loads the electricity main shaft, and the installation environment requirement is lower, can not cause wearing and tearing to the electricity main shaft yet, can carry out long-time loading.
Description
Technical Field
The invention belongs to the field of machine manufacturing, and particularly relates to a hybrid loading device of a high-speed electric spindle and a hybrid loading test bed of the electric spindle.
Background
As an important base stone in the mechanical manufacturing industry, a numerical control machine is an important index for measuring the industrialization of a country. The reliability level of the electric spindle directly influences the reliability level of the whole machine as one of key functional components, the reliability test of the electric spindle can be divided into a field reliability test and a bench test, but the field test has long period, low efficiency and uncontrollable test conditions, the product updating iteration is fast, and the requirement of the reliability increasing period cannot be met by only depending on the field tracking test, so that the bench test for simulating the actual working condition of the electric spindle in a laboratory has important significance;
the conventional electric spindle reliability test bed can be divided into a contact type loading mode and a non-contact type loading mode, wherein the contact type loading mode is piezoelectric ceramic loading, hydraulic loading and the like, and the non-contact type loading mode is electromagnetic loading, air loading and the like;
in the existing electric spindle loading method, the contact loading is easy to cause the problems of abrasion, heating and the like during loading, but the non-contact loading has higher requirements on processing and installation environments, and is difficult to realize large-scale use.
Disclosure of Invention
The embodiment of the invention aims to provide a hybrid loading device of a high-speed electric spindle and a hybrid loading test bed of the electric spindle, and aims to solve the problems, particularly the problem that high-frequency load of the high-speed electric spindle is difficult to load.
The embodiment of the invention is realized in such a way that the hybrid loading device of the high-speed electric spindle comprises an installation seat and the electric spindle positioned on one side of the installation seat, and the hybrid loading device of the high-speed electric spindle further comprises:
the loading main body is arranged at one end of the electric spindle, is connected with the electric spindle and is used for receiving loading input from the outside and transmitting the water flow impact force to the electric spindle;
the fixing assembly is arranged on one side, close to the electric spindle, of the mounting seat, is connected with the mounting seat and is used for clamping and fixing the electric spindle;
the loading assembly is arranged on one side, close to the fixing assembly, of the mounting seat, the output end of the loading assembly corresponds to the loading main body, the loading assembly is connected with the mounting seat, and the loading assembly is used for applying impact force generated by external high-pressure water jet to the loading main body.
Another objective of an embodiment of the present invention is to provide a hybrid loading test bed for a high-speed electric spindle, where the hybrid loading test bed for an electric spindle includes the above hybrid loading apparatus for a high-speed electric spindle, and the hybrid loading test bed for an electric spindle further includes:
the recovery assemblies are arranged on two sides of the mounting seat, encapsulate the loading main body and the output end of the loading assembly, and are used for recovering input high-pressure water jet;
the monitoring assembly is electrically connected with the loading assembly and is used for monitoring and adjusting the input high-pressure water jet.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following technical effects:
according to the hybrid loading device for the high-speed electric spindle, the electric spindle is clamped and fixed through the fixing assembly, the loading main body is connected with the electric spindle, external high-pressure water jet is transmitted to the loading main body through the loading assembly, the loading main body receives impact force generated by the high-pressure water jet, and the generated passive force is transmitted to the electric spindle through the loading main body, so that the electric spindle is subjected to hybrid loading; the device simple structure, it is convenient to control, and the impact force that produces through rivers loads the electricity main shaft, and the installation environment requirement is lower, also can not cause wearing and tearing to the electricity main shaft to discharge the heat that the loading produced through liquid flow in loading process, thereby can carry out long-time loading.
Drawings
Fig. 1 is a perspective structural view of a hybrid loading device of a high-speed electric spindle according to an embodiment of the present invention;
FIG. 2 is a perspective view of the fixing assembly of FIG. 1;
FIG. 3 is a schematic perspective view of the loading body in FIG. 1;
FIG. 4 is a perspective view of the radial loading member of FIG. 1;
FIG. 5 is a perspective view of the axle loading member of FIG. 1;
FIG. 6 is a perspective view of the torque loading member of FIG. 1;
FIG. 7 is a schematic view of the positioning structure of the loading rod and the second nozzle in FIG. 1;
fig. 8 is a top view of a hybrid loading device for a high-speed electric spindle according to an embodiment of the present invention;
fig. 9 is a schematic perspective view of a protective cover according to another embodiment of the present invention.
In the drawings: 1-a stationary component; 101-a first fixed block; 102-an electric spindle; 103-a second fixed block; 2-a radial loading member; 201-a first support; 202-a first connection plate; 203-a first locking block; 204-a first nozzle; 205-a first water pipe; 206-a first meter; 207-a first fixing plate; 208-a first sensor; 3-a torque loading member; 301-a second support; 302-a second connection plate; 303-a second locking block; 304-a second fixation plate; 305-a second meter; 306-a second sensor; 307-a second water pipe; 308-a second nozzle; 4-an axial loading member; 401-a third scaffold; 402-a third connecting plate; 403-a third locking block; 404-a third sensor; 405-a third water pipe; 406-a third meter; 407-a third fixation plate; 408-a third nozzle; 5-a protective cover; 501-a cover plate; 502-a housing; 503-a slider; 6-mounting a base; 7-a recovery bin; 8-loading the body; 801-connecting handle; 802-load bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of a hybrid loading device for a high-speed electric spindle according to an embodiment of the present invention includes:
a hybrid loading device of a high-speed electric spindle comprises a mounting seat 6 and an electric spindle 102 positioned on one side of the mounting seat 6, and further comprises:
the loading body 8 is arranged at one end of the electric spindle 102, the loading body 8 is connected with the electric spindle 102, and the loading body 8 is used for receiving loading input from the outside and transmitting the generated passive force to the electric spindle 102;
the fixing assembly is arranged on one side, close to the electric spindle 102, of the mounting seat 6, is connected with the mounting seat 6, and is used for clamping and fixing the electric spindle 102;
the loading assembly is arranged on one side, close to the fixing assembly, of the mounting seat 6, the output end of the loading assembly corresponds to the loading main body 8, the loading assembly is connected with the mounting seat 6, and the loading assembly is used for applying impact force generated by external high-pressure water jet to the loading main body 8;
the electric main shaft 102 is in a transmission structure form formed by connecting a main shaft motor and a machine tool main shaft, so that a main shaft part is relatively independent from a transmission system and an integral structure of a machine tool to form the electric main shaft, the characteristics of the electric main shaft are high rotating speed, high precision, low noise and the like, the main shaft motor is preferably an alternating current asynchronous induction motor, and the electric main shaft is used on a high-speed machine tool and is required to be rapidly accelerated to tens of thousands of revolutions per minute or even hundreds of thousands of revolutions when being started;
the mounting seat 6 is provided with a plurality of groups of T-shaped sliding grooves, and the fixing assembly, the loading assembly and the loading main body 8 are connected with the mounting seat 6 through the sliding grooves;
the loading assembly is connected with an external high-pressure water jet output end, and the high-pressure water jet can adopt water, cutting fluid and the like, wherein the cutting fluid is preferably adopted; when the cutting fluid is loaded on the loading main body 8, the cutting fluid can play a role in lubrication, the friction between the cutting fluid and the surface of the loading main body 8 can be reduced, so that the power consumption is reduced, and the corrosion of water can be effectively slowed down by loading the cutting fluid on the loading main body 8, so that the equipment is protected;
in the embodiment of the present invention, the electric spindle 102 is clamped and fixed by the fixing component, the loading body 8 is connected with the electric spindle 102, an external high-pressure water jet is transmitted to the loading body 8 by the loading component, so that the loading body 8 receives an impact force generated by the high-pressure water jet, and the loading body 8 transmits the generated passive force to the electric spindle 102, thereby performing hybrid loading on the electric spindle 102; the device simple structure, it is convenient to control, and the impact force that produces through rivers loads the electricity main shaft, and the installation environment requirement is lower, also can not cause wearing and tearing to the electricity main shaft to discharge the heat that the loading produced through liquid flow in loading process, thereby can carry out long-time loading.
As shown in fig. 2, as a preferred embodiment of the present invention, the fixing assembly includes a first fixing block 101 and a second fixing block 102, the first fixing block 101 is disposed on a side of the electric spindle 102 away from the mounting seat 6, the second fixing block 102 is disposed between the electric spindle 102 and the mounting seat 6, both ends of the first fixing block 101 and both ends of the second fixing block 102 are connected, and the second fixing block 102 is connected to the mounting seat 6;
the first fixing block 101 and the second fixing block 102 are connected to each other, so that the electric spindle 102 is clamped and fixed by the first fixing block 101 and the second fixing block 102, and the electric spindle 102 is fixed at the height position of one side of the mounting seat 6 by connecting the second fixing block 102 with the mounting seat 6;
a first fixing block 101 and a second fixing block 102, wherein the first fixing block 101 and the second fixing block 102 may be in a V shape, a U shape, or the like, and preferably in a V shape, at the side where the first fixing block 101 and the second fixing block 102 are attached to the electric spindle 102, so as to clamp and fix the electric spindle 102 with a circular cross section;
and four adjusting screws are arranged at the bottom of the second fixing block 102, and the electric spindle 102 and the mounting seat 6 are kept horizontal through the adjusting screws.
As shown in fig. 3 and fig. 8, as another preferred embodiment of the present invention, the loading body 8 includes a connecting handle 801 and a loading rod 802, the connecting handle 801 is connected to the loading rod 802, the connecting handle 801 is disposed at one end of the electric spindle 102, the loading rod 802 is disposed at one end of the connecting handle 801 far from the electric spindle 102, the connecting handle 801 is connected to the electric spindle 102, and the loading rod 802 corresponds to the position of the loading assembly;
an impact force is applied to the loading rod 802 through the loading assembly, so that the loading rod 802 generates a loading force, and the loading force is transmitted to the electric spindle 102 through the connecting handle 801, so that the electric spindle 102 is subjected to mixed loading;
the connecting handle 801 is connected with the electric spindle 102, the connecting handle 801 is in snap connection with the electric spindle 102, and the connecting handle 801 rotates synchronously along with the electric spindle 102;
the loading rod 802 is connected with the connecting handle 801 and synchronously rotates with the connecting handle 801, and the size of a shaft shoulder of the loading rod 802 is larger than that of a hole in the side wall of the protective cover 5, so that a waterproof effect is achieved.
As another preferred embodiment of the present invention, as shown in fig. 4-6, the loading assembly comprises a radial loading member 2, an axial loading member 4 and a torque loading member 3, the radial loading part 2 is arranged at one side of the loading body 8, the axial loading part 4 is arranged at one end of the loading body 8 far away from the electric spindle 102, the torque loading parts 3 are arranged in two groups, two groups of torque loading parts 3 are symmetrically arranged at two sides of the loading main body 8, the radial loading part 2, the axial loading part 4 and the torque loading part 3 have the same structure, the radial loading component 2 is used for radially loading the loading body 8, the axial loading component 4 is used for axially loading the loading body 8, and the two groups of torque loading components 3 are used for simultaneously loading the loading body 8;
as another preferred embodiment of the present invention, as shown in fig. 4, the radial loading unit 2 includes a first bracket 201, a first fixing plate 207 is arranged between the first bracket 201 and the mounting base 6, the first bracket 201 and the mounting base 6 are connected through the first fixing plate 207, a first connecting plate 202 is arranged on one side of the first bracket 201, a first water pipe 205 is arranged on one side of the first connecting plate 202 far away from the first bracket 201, a first locking block 203 is arranged between the first water pipe 205 and the first connection plate 202, the output end of the first water pipe 205 is provided with a first nozzle 204, the output end of the first nozzle 204 is in the same horizontal plane with the axis of the loading body 8, a first meter 206 and a first sensor 208 are arranged on one side of the first nozzle 204 close to the first water pipe 205;
the first water pipe 205 outputs a high-pressure water jet from the first nozzle 204, so that the impact force generated by the jet output from the first nozzle 204 radially loads the loading body 8.
As another preferred embodiment of the present invention, as shown in fig. 5, the axial loading member 4 includes a third bracket 401, a third fixing plate 407 is disposed between the third bracket 401 and the mounting seat 6, the third bracket 401 and the mounting seat 6 are connected by the third fixing plate 407, a third connecting plate 402 is arranged on one side of the third bracket 401, a third water pipe 405 is arranged on one side of the third connecting plate 402 far away from the third bracket 401, a third locking block 403 is arranged between the third water pipe 405 and the third connecting plate 402, the output end of the third water pipe 405 is provided with a third nozzle 408, the output end of the third nozzle 408 is in the same straight line with the axis of the loading body 8, a third meter 406 and a third sensor 404 are arranged at one end of the third water pipe 405 close to the third nozzle 408;
the high-pressure water jet inputted from the outside is outputted from the third nozzle 408 through the third water pipe 405, and the impact force generated by the jet outputted from the third nozzle 408 axially loads the loading body 8.
As shown in fig. 6, as another preferred embodiment of the present invention, the torque loading part 3 includes a second bracket 301, the second bracket 301 is disposed on one side of the mounting seat 6 close to the electric spindle 102, a second fixing plate 304 is disposed between the second bracket 301 and the mounting seat 6, the second fixing plate 304 is connected to both the second bracket 301 and the mounting seat 6, a second connecting plate 302 is disposed on one side of the second bracket 301, a second water pipe 307 is disposed on one side of the second connecting plate 302 away from the second bracket 301, a second locking block 303 is disposed between the second water pipe 307 and the second connecting plate 302, a second nozzle 308 is disposed at an output end of the second water pipe 307, and a second meter 305 and a second sensor 306 are disposed on one side of the second nozzle 308 close to the second water pipe 307;
the second bracket 301 drives the second connecting plate 302 to perform position adjustment in the horizontal and vertical directions, so that the output end of the second nozzle 308 corresponds to the loading main body 8, a locking device is further arranged in the second bracket 301, the output position of the second nozzle 308 is fixed by the locking device, a high-pressure water jet input from the outside is transmitted to the second nozzle 308 through the second water pipe 307, and the loading main body 8 is loaded through the second nozzle 308, so that torque loading is performed on the electric spindle 102;
the loading device comprises a first support 201, a second support 301 and a third support 401, wherein cross sliding tables are preferably adopted for the first support 201, the second support 301 and the third support 401, and can also be selected according to requirements, locking devices are further arranged in the cross sliding tables, the positions and the heights of the cross sliding tables are fixed through the locking devices, and the first support 201, the second support 301 and the third support 401 can adjust the positions of the output ends of the first support 201, the second support 301 and the third support in the horizontal direction and the vertical direction, so that the radial loading component 2, the axial loading component 4 and the torque loading component 3 can load the corresponding positions of the loading main body 8;
a first meter 206, a second meter 305 and a third meter 406, wherein the first meter 206, the second meter 305 and the third meter 406 are preferably turbine flow meters, and can be selected according to requirements, and the first meter 206, the second meter 305 and the third meter 406 are used for measuring the water flow output by the radial loading part 2, the axial loading part 4 and the torque loading part 3;
a first sensor 208, a second sensor 306 and a third sensor 404, wherein the first sensor 208, the second sensor 306 and the third sensor 404 are preferably pressure transducers, and can be selected according to requirements, and the first sensor 208, the second sensor 306 and the third sensor 404 are used for measuring the jet pressure output by the radial loading component 2, the axial loading component 4 and the torque loading component 3;
a first water pipe 205, a second water pipe 307 and a third water pipe 405, wherein the first water pipe 205, the second water pipe 307 and the third water pipe 405 are all connected with an external high-pressure water jet and output through a nozzle.
As shown in fig. 7, as another preferred embodiment of the present invention, two sets of second nozzles 308 are respectively disposed on two sides of the loading main body 8, distances between the two sets of second nozzles 308 and the loading main body 8 are the same, the two sets of second nozzles 308 are respectively located on two sides of a horizontal plane where an axis of the loading main body 8 is located, and distances between the two sets of second nozzles 308 and the horizontal plane where the axis of the loading main body 8 is located are the same;
the two groups of second nozzles 308 apply equal and opposite impact forces to opposite positions of the loading body 8, and according to the same height difference between the two groups of second nozzles 308 and the loading body 8, the torque loading part 3 only provides torque loading for the loading body 8 without generating loading of radial force, and decoupling of the radial force and the torque is realized.
As shown in fig. 1, an embodiment of the present invention further provides a hybrid loading test bed for an electric spindle, where the hybrid loading test bed for an electric spindle includes the hybrid loading apparatus for a high-speed electric spindle, and the hybrid loading test bed for an electric spindle further includes:
the recovery assemblies are arranged on two sides of the mounting seat 6, encapsulate the loading main body 8 and the output end of the loading assembly, and are used for recovering input high-pressure water jet;
the monitoring assembly is electrically connected with the loading assembly and is used for monitoring and adjusting the input high-pressure water jet.
As shown in fig. 1, as another preferred embodiment of the present invention, the recycling assembly includes a protecting cover 5 and a recycling bin 7, the protecting cover 5 is disposed on a side of the mounting seat 6 close to the electric spindle 102, the recycling bin 7 is disposed on a side of the mounting seat 6 far from the protecting cover 5, the protecting cover 5 is connected to the recycling bin 7, the protecting cover 5 is used for collecting the high-pressure water jet output by the loading assembly, and the recycling bin 7 is used for storing the water flow collected by the protecting cover 5;
retrieve storehouse 7, the inside of retrieving storehouse 7 is provided with the suction pump, will through the suction pump retrieve storehouse 7 and transmit its inside rivers of collecting to the pump station, transmit rivers extremely through the pump station in the loading subassembly to realize the fluid circulation of test bench, and then prevent the waste of the energy.
As shown in fig. 9, as another preferred embodiment of the present invention, the protecting cover 5 includes a casing 502, the casing 502 is connected to the mounting seat 6, and a transmission hole is disposed on one side of the casing 502 close to the mounting seat 6, the transmission hole penetrates through the mounting seat 6 to the recycling bin 7, a cover plate 501 is disposed on one side of the casing 502 away from the mounting seat 6, a plurality of sets of sliding grooves are disposed on a side wall of the casing 502, a sliding block 503 is disposed in the sliding grooves, and the sliding block 503 is connected to an output end of the loading assembly;
the first nozzle 204, the second nozzle 308 and the third nozzle 408 are connected with the slide block 503, so that the output end of the loading assembly corresponds to the position of the loading main body 8, the output end of the loading assembly is packaged through the shell 502 and the cover plate 501, and the high-pressure water jet output by the loading assembly is transmitted into the recovery bin 7 through the transmission hole for recovery;
a housing 502, a hole is provided on one side of the housing 502 close to the loading body 8, and the loading body 8 penetrates through the hole into the housing 502, so that the loading assembly loads the loading body 8 in the protection cover 5;
the sliding blocks 503 are provided with a plurality of groups, the plurality of groups of sliding blocks 305 are respectively connected with the first nozzle 204, the second nozzle 308 and the third nozzle 408, and the positions of the first nozzle 204, the second nozzle 308 and the third nozzle 408 are adjusted through the bracket, so that the sliding blocks 305 are driven to slide in the sliding grooves, and the output end of the loading assembly corresponds to the loading main body 8.
Preferably, as another preferred embodiment of the present invention, the monitoring assembly includes a control module and a monitoring module, the control module is disposed at an input end of the loading assembly, the monitoring module is electrically connected to an output end of the loading assembly, the control module is configured to control opening and closing of the input end of the loading assembly, and the monitoring module is configured to monitor jet data output by the loading assembly and synchronize the jet data to an upper computer in real time;
a control module, which is disposed at an input end of the first water pipe 205, the second water pipe 307, and the third water pipe 405, and controls the loading assembly to load a corresponding position of the loading main body 8 by controlling an opening/closing state of servo valves of the first water pipe 205, the second water pipe 307, and the third water pipe 405;
the monitoring module is electrically connected with the first meter 206, the second meter 305, the third meter 406, the first sensor 208, the second sensor 306 and the third sensor 404, monitors the output jet flow through the first meter 206, the second meter 305 and the third meter 406, monitors the output jet pressure through the first sensor 208, the second sensor 306 and the third sensor 404, synchronously uploads the jet flow and pressure data to an upper computer in real time, corresponds to data in a database, calculates the magnitude of the real-time jet force, and accordingly judges data of the loading assembly loading the electric spindle 102.
The embodiment of the invention provides a hybrid loading device of a high-speed electric spindle, and provides a hybrid loading test bed of the electric spindle based on the hybrid loading device of the high-speed electric spindle, the electric spindle 102 is clamped and fixed by the fixing component, the loading main body 8 is connected with the electric spindle 102, external high-pressure water jet is transmitted to the loading main body 8 by the loading component, the loading main body 8 receives impact force generated by the high-pressure water jet, and the loading main body 8 transmits the received impact force of the water jet to the electric spindle 102, so that the electric spindle 102 is subjected to hybrid loading; the device simple structure, it is convenient to control, and the impact force that produces through rivers loads the electricity main shaft, and the installation environment requirement is lower, also can not cause wearing and tearing to the electricity main shaft to discharge the heat that the loading produced through liquid flow in loading process, thereby can carry out long-time loading, especially possess high frequency loading's advantage.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a hybrid loading device of high-speed electric main shaft, includes mount pad and the electric main shaft that is located mount pad one side, its characterized in that, hybrid loading device of high-speed electric main shaft still includes:
the loading main body is arranged at one end of the electric spindle, is connected with the electric spindle and is used for receiving loading input from the outside and transmitting the received impact force to the electric spindle;
the fixing assembly is arranged on one side, close to the electric spindle, of the mounting seat, is connected with the mounting seat and is used for clamping and fixing the electric spindle;
the loading assembly is arranged on one side, close to the fixing assembly, of the mounting seat, the output end of the loading assembly corresponds to the loading main body, the loading assembly is connected with the mounting seat, and the loading assembly is used for applying impact force generated by external high-pressure water jet to the loading main body;
the loading assembly comprises a radial loading component, an axial loading component and two torque loading components, the radial loading component is arranged on one side of the loading main body, the axial loading component is arranged on one end, far away from the electric spindle, of the loading main body, the two torque loading components are arranged in two groups, the two torque loading components are symmetrically arranged on two sides of the loading main body, the radial loading component, the axial loading component and the torque loading components are identical in structure, the radial loading component is used for carrying out radial loading on the loading main body, the axial loading component is used for carrying out axial loading on the loading main body, and the two torque loading components are used for carrying out torque loading on the loading main body at the same time;
the torque loading component comprises a second support, the second support is arranged on one side, close to the electric spindle, of the mounting seat, a second fixing plate is arranged between the second support and the mounting seat, the second fixing plate is connected with the second support and the mounting seat, a second connecting plate is arranged on one side of the second support, a second water pipe is arranged on one side, away from the second support, of the second connecting plate, a second locking block is arranged between the second water pipe and the second connecting plate, a second nozzle is arranged at the output end of the second water pipe, and a second meter and a second sensor are arranged on one side, close to the second water pipe, of the second nozzle;
the two groups of second nozzles are respectively arranged on two sides of the loading main body, the distances between the two groups of second nozzles and the loading main body are the same, the two groups of second nozzles are respectively positioned on two sides of a horizontal plane where the axis of the loading main body is positioned, and the distances between the two groups of second nozzles and the horizontal plane where the axis of the loading main body is positioned are the same;
the safety cover, the safety cover sets up the mount pad is close to one side of electricity main shaft, the safety cover includes the casing, the casing with the mount pad is connected, just the casing is close to one side of mount pad is provided with the transmission hole, the transmission hole runs through mount pad to recovery storehouse, the casing is kept away from one side of mount pad is provided with the apron, the lateral wall of casing is provided with a plurality of groups spout, be provided with the slider in the spout, the slider with the output of loading subassembly is connected.
2. The hybrid loading device of a high-speed electric spindle according to claim 1, wherein the fixing component comprises a first fixing block and a second fixing block, the first fixing block is disposed on a side of the electric spindle away from the mounting base, the second fixing block is disposed between the electric spindle and the mounting base, two ends of the first fixing block and two ends of the second fixing block are connected, and the second fixing block is connected to the mounting base.
3. The hybrid loading device for the high-speed electric spindle according to claim 1, wherein the loading body comprises a connecting handle and a loading rod, the connecting handle is connected to the loading rod, the connecting handle is disposed at one end of the electric spindle, the loading rod is disposed at one end of the connecting handle far away from the electric spindle, the connecting handle is connected to the electric spindle, and the loading rod corresponds to the loading assembly.
4. A hybrid loading test stand for an electric spindle, comprising the hybrid loading apparatus for a high-speed electric spindle according to any one of claims 1 to 3, the hybrid loading test stand for an electric spindle further comprising:
the recovery assemblies are arranged on two sides of the mounting seat, encapsulate the loading main body and the output end of the loading assembly, and are used for recovering input high-pressure water jet;
the monitoring assembly is electrically connected with the loading assembly and is used for monitoring and adjusting the input high-pressure water jet.
5. The hybrid loading test bed of the motorized spindle according to claim 4, wherein the recycling assembly comprises a recycling bin, the recycling bin is disposed on a side of the mounting seat away from the protective cover, the protective cover is connected with the recycling bin, the protective cover is used for collecting the high-pressure water jet output by the loading assembly, and the recycling bin is used for storing the water flow collected by the protective cover.
6. The hybrid loading test bed of the electric spindle according to claim 4, wherein the monitoring assembly comprises a control module and a monitoring module, the control module is arranged at an input end of the loading assembly, the monitoring module is electrically connected with an output end of the loading assembly, the control module is used for controlling the input end of the loading assembly to be opened and closed, and the monitoring module is used for monitoring jet flow data output by the loading assembly and synchronizing the jet flow data to an upper computer in real time.
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| CN202110369278.6A CN113092105B (en) | 2021-04-06 | 2021-04-06 | Hybrid loading device of high-speed electric spindle and hybrid loading test bed of electric spindle |
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| CN202110369278.6A CN113092105B (en) | 2021-04-06 | 2021-04-06 | Hybrid loading device of high-speed electric spindle and hybrid loading test bed of electric spindle |
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| CN113092105B true CN113092105B (en) | 2022-05-24 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101975659A (en) * | 2010-08-27 | 2011-02-16 | 洛阳轴研科技股份有限公司 | High-speed dynamic simulation test method for electric mainshaft bearing |
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| CN107894334B (en) * | 2017-12-29 | 2020-04-07 | 重庆大学 | High-speed electric main shaft flexible loading system based on high-pressure water jet |
| CN110153796A (en) * | 2019-05-22 | 2019-08-23 | 东北大学 | A kind of rotating table of numerical control machine performance testing device and method |
| CN110542575A (en) * | 2019-09-19 | 2019-12-06 | 吉林大学 | test bed for simulating reliability of power servo tool rest of numerical control machine tool under real working condition |
| CN110542550B (en) * | 2019-09-19 | 2024-04-02 | 吉林大学 | Electric spindle reliability loading test bed with load completely decoupled |
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