CN216229219U - Large-load electric two-axis displacement platform suitable for low-temperature environment - Google Patents

Abstract

The application discloses be applicable to electronic biaxial displacement platform of low temperature environment heavy load, comprising a base plate, the supporting shoe, the balancing weight, the hot plate, the frame, the heat conduction copper, the PTC generates heat the piece, first bar casing, the safety cover, first guide way, second bar casing, the second guide way, the support plate, the bracing piece, the truckle, including a motor, an end cap, a controller, and a cover plate, first conical gear, second conical gear, the connecting axle, first threaded rod, first heating rod, first slotted hole, first nut, first guide block, the second threaded rod, the second slotted hole, the second heating rod, the second nut, the second guide block, the circle axle, third conical gear, heat conduction cushion and fourth conical gear. The heating plate has the advantages that the heating plate is arranged, heating treatment can be provided for the shell of the longitudinal driving mechanism and the shell of the transverse driving mechanism, and the heating plate is matched with the first heating rod and the second heating rod, so that heating is provided for the structures inside the longitudinal driving mechanism and the transverse driving mechanism, and the heating plate can conveniently run in a low-temperature environment.

Description

Large-load electric two-axis displacement platform suitable for low-temperature environment

Technical Field

The application relates to the field of heavy-load electric two-axis displacement platforms, in particular to a heavy-load electric two-axis displacement platform suitable for a low-temperature environment.

Background

The electric two-axis displacement platform is used for driving an article to move transversely and longitudinally upwards and adjusting the position of a plane position, and generally adopts a lead screw and a lead screw nut for driving.

When lead screw and screw nut drive linear displacement among the prior art, under the low temperature condition, because the temperature is low excessively, wherein the lubricating oil on lead screw and the screw nut can appear solidifying to can cause the problem of operation removal. Therefore, the electric biaxial displacement platform suitable for the low-temperature environment and the large load is provided for solving the problems.

Disclosure of Invention

The electric two-axis displacement platform suitable for the low-temperature environment and the large load is provided in the embodiment and used for solving the problem that the electric two-axis displacement platform in the prior art is not easy to be suitable for running in the low-temperature environment.

According to one aspect of the application, an electric two-axis displacement platform suitable for a low-temperature environment and a large load is provided, and the electric two-axis displacement platform comprises a bottom plate and a heating plate, wherein the heating plate is fixedly mounted at the top of the bottom plate, longitudinal driving mechanisms are fixedly mounted on two sides of the top of the heating plate, the number of the longitudinal driving mechanisms is two, a transverse driving mechanism is mounted between the two longitudinal driving mechanisms, two ends of the transverse driving mechanism are connected with the output ends of the longitudinal driving mechanisms, the input ends of the transverse driving mechanisms and the input ends of the longitudinal driving mechanisms are connected with rotation driving mechanisms, and a support plate is fixedly mounted at the output end of the transverse driving mechanism; the longitudinal driving mechanism comprises a first threaded rod, a first long round hole is formed in the axis position of the first threaded rod along the length direction, a first heating rod is connected to the first long round hole in a clearance fit mode, the transverse driving mechanism comprises a second threaded rod, a second long round hole is formed in the axis position of the second threaded rod along the length direction, a second heating rod is connected to the second long round hole in a clearance fit mode, and a heat conduction soft sleeve is sleeved on the cylindrical surface of the first heating rod and the cylindrical surface of the second heating rod.

Furthermore, the bottom four corners of the bottom plate are fixedly provided with supporting blocks, and the bottom of the bottom plate is fixedly provided with a plurality of balancing weights at equal intervals.

Further, the hot plate includes that frame, heat conduction copper and PTC generate heat the piece, the bottom of frame and the top fixed connection of bottom plate, the heat conduction copper is installed to the fixed gomphosis in top of frame, the even fixed mounting in bottom of heat conduction copper has a plurality of PTC to generate heat the piece.

Further, it includes safety cover, motor, first conical gear, second conical gear and connecting axle to rotate actuating mechanism, the inside fixed mounting of safety cover has the motor, the output shaft fixed mounting of motor has first conical gear, the connecting axle rotates the inside of installing at the safety cover, the connecting axle cup joints with second conical gear is fixed, second conical gear is connected with the meshing of first conical gear, second conical gear diameter is three to four times of first conical gear diameter.

Further, vertical actuating mechanism still includes first bar casing, first nut and first guide block, first bar casing fixed mounting is at the top of heat conduction copper, the internal rotation of first bar casing installs first threaded rod, the one end of first threaded rod and the one end fixed connection of connecting axle, first threaded rod and first nut threaded connection, first guide way has been seted up to one side of first bar casing, first guide way and first guide block sliding connection, first guide block and first nut fixed connection, the one end of first guide block and the one end fixed connection of second bar casing.

Further, the transverse driving mechanism comprises a second strip-shaped shell, a second nut, a second guide block, a circular shaft, a third bevel gear and a fourth bevel gear, a round shaft is rotatably arranged in the second strip-shaped shell, one end of the round shaft is fixedly connected with one end of a second threaded rod, and the second threaded rod is rotatably arranged in the second strip-shaped shell and is in threaded connection with the second nut, the top of the second nut is fixedly connected with a second guide block, the top of the second strip-shaped shell is provided with a second guide groove, the second guide groove is connected with a second guide block in a sliding way, the second guide block is fixedly connected with the bottom of the carrier plate, the round shaft is fixedly sleeved with a third bevel gear, the third bevel gear is in meshed connection with a fourth bevel gear, and the fourth bevel gear is fixedly sleeved with one end of a connecting shaft.

Further, a plurality of support rods are fixedly mounted at the bottom of the support plate, and casters are mounted at the bottom ends of the support rods.

Further, the bottom of the second strip-shaped shell is fixedly bonded with a heat conduction soft pad, and the heat conduction soft pad is in contact with the top of the heat conduction copper plate.

Furthermore, a plurality of uniformly distributed mounting holes are uniformly formed in the surface of the carrier plate.

Further, the diameter of the third conical gear is five to six times that of the fourth conical gear.

Through the above-mentioned embodiment of this application, it can drive the support plate and carry out horizontal and vertical ascending removal, carry out the regulation of two axle direction positions, compare with the conventional art simultaneously, it is applicable to and moves under the low temperature environment, the hot plate has, can provide the heat treatment for vertical actuating mechanism's shell and horizontal actuating mechanism's shell, the effect of cooperation first heating rod and second heating rod, thereby provide the heating for vertical actuating mechanism and the inside structure of horizontal actuating mechanism, it moves under the low temperature environment to be convenient for, the guarantee is used.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of the interior of the first strip housing and the heating plate according to an embodiment of the present application;

FIG. 3 is a schematic view of the internal structure of a second bar-shaped housing according to an embodiment of the present application;

fig. 4 is a schematic view of a bottom structure of a carrier according to an embodiment of the present application;

FIG. 5 is a schematic view of a connection structure between one side of the inside of the second bar-shaped housing and the rotation driving mechanism according to an embodiment of the present application;

fig. 6 is a bottom structure diagram of a bottom plate according to an embodiment of the present application.

In the figure: 1. a base plate; 2. a support block; 3. a balancing weight; 4. heating plates; 401. an outer frame; 402. a heat-conducting copper plate; 403. a PTC heating sheet; 5. a first strip-shaped shell; 6. a protective cover; 7. a first guide groove; 8. a second strip-shaped shell; 9. a second guide groove; 10. a carrier plate; 11. a support bar; 12. a caster wheel; 13. a motor; 14. a first conical gear; 15. a second conical gear; 16. a connecting shaft; 17. a first threaded rod; 18. a first heating rod; 19. a first oblong hole; 20. a first nut; 21. a first guide block; 22. a second threaded rod; 23. a second oblong hole; 24. a second heating rod; 25. a second nut; 26. a second guide block; 27. a circular shaft; 28. a third bevel gear; 29. a heat conducting soft cushion; 30. and a fourth conical gear.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The heavy-load electric biaxial displacement platform in this embodiment may be driven by various rotation driving structures or motors, for example, the following motor is provided in this embodiment, and the heavy-load electric biaxial displacement platform in this embodiment may be driven by the following motor.

The motor in the embodiment comprises a first end cover, a second end cover, a plastic package material and a riveting fixing piece, wherein the plastic package material and the second end cover are integrally formed, and the riveting fixing piece is connected between the first end cover and the plastic package material. Because the second end cover of the motor in this embodiment is integrated with the plastic package material, and the riveting fixing piece is arranged between the plastic package material and the first end cover, the first end cover and the plastic package material are fixed together conveniently under the action of the riveting fixing piece, so that the motor end cover is prevented from loosening, and the running stability of the motor in this embodiment is improved. In a preferred embodiment of the utility model, the motor further comprises a stator integrally arranged with the plastic package material, the riveting fixing piece is integrally formed on the stator, and in actual assembly, the stator and the second end cover are integrally formed by stretching and injection molding, and the first end cover and the stator can be riveted and fixed together through the action of the riveting fixing piece, so that the first end cover and the second end cover are fixed together conveniently, and the motor is simple in structure and convenient to implement. In another embodiment of the utility model, the motor further comprises a stator framework integrally arranged with the plastic package material, the riveting fixing piece is fixedly arranged with the stator framework, when the motor is assembled, the stator framework and the second end cover are fixed together, then the first end cover and the stator can be riveted and fixed together through the action of the riveting fixing piece, and the first end cover and the second end cover are further fixed together conveniently. Preferably, the riveting fixed part and the stator framework in the embodiment are integrally formed, so that the structure is simple and the stability is high. In another embodiment of the present invention, which is not shown in the drawings, the motor further includes a fixing frame integrally disposed with the plastic package material, during actual design, the riveting fixing member is disposed on the fixing frame, during assembly, the fixing frame and the second end cap are stretched and fixed together, and then the first end cap and the second end cap are fixed together under the action of the riveting fixing member, so as to prevent the end caps of the motor from loosening, and improve the stability of the motor in this embodiment. The rivet pressing fixing piece in the embodiment is a rivet. Of course, in other embodiments of the present invention, the riveting fixing element may be configured as other connecting column for facilitating riveting, and any other modification manner under the concept of the present invention is within the protection scope of the present invention. The motor also comprises a circuit board and an electricity isolating ring (not shown in the figure), wherein the circuit board, the electricity isolating ring and the rivet are fixed into a whole, so that the structural stability of the whole motor is convenient to guarantee. The riveting mounting in this embodiment is last to be provided with and to prevent pressing the deformation structure, through this effect of preventing pressing the deformation structure, is convenient for connect the in-process riveting of first end cover and plastic envelope material to other structures inside the motor, prevents that other structural style inside the motor from warping. Preferably, prevent pressing the deformation structure for the step face, when first end cover and plastic envelope material are actually connected, if be in the same place riveting mounting and stator are fixed, at this moment, pass first end cover with the riveting mounting for the step face pushes up on first end cover, prevents to adopt the inner structure of the in-process motor of other riveting device riveting mounting to take place to warp, and simple structure is convenient for realize. Preferably, the first end cover is provided with a avoiding hole for avoiding the riveting deformation of the riveting fixing piece, so that the appearance integrity of the whole motor is ensured conveniently. According to the structure, the riveting fixing piece is added to the motor to enhance the capability of bearing external force of the motor, so that the motor is not fixed by the fastening force of the end cover and the plastic package material. After the direct current plastic stator is formed by injection molding of specially designed rivets and plastic packaging materials used by the motor, two exposed planes of the rivets are as follows: the end face of the rivet is used for riveting the motor on the contact surface of the automatic riveting equipment of the equipment, so that the rivet deforms and fastens the first end cover and the stator; the step surface is used for the contact of first end cover and rivet, and the rivet atress is great when the motor realizes automatic riveting, designs for preventing that first end cover from producing the deformation in the riveting process specially. The rivets in this embodiment can be fixed to the stator in three ways: firstly, the rivet and the stator framework can be integrally injection-molded, which is the best implementation mode; secondly, a fixing frame is specially designed, the fixing frame and the stator are used for isolating the winding from being disconnected with a framework of the iron core, and the fixing frame is only used for fixing rivets independently, so that the direct-current plastic package motor is conveniently fixed on a mold when the stator is injected; and thirdly, only a rivet structure is adopted, and the rivet is directly fixed on the stator by the injection molding plastic package material. Preferably, the number of the rivets in the embodiment is one or two or more, and the rivets are uniformly distributed on the stator to achieve the effect, so that all aspects of the motor are stressed uniformly after riveting. The rivet structure can be matched with the circuit board and the electricity isolating ring for fixation, so that poor fixation such as rotation deviation is prevented. A first end cover for cooperating the rivet is provided with dodges the hole, because the rivet equipartition, conveniently realizes automatic fourth of the twelve earthly branches riveting, and the whole fastening nature of riveting back motor increases, can reduce motor vibration, noise problem, enlarges motor service environment scope. The rivet fastening mode of the direct current plastic package motor structure can be not only limited to direct current plastic package, but also can be used in an alternating current plastic package motor. From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the external force bearing capacity of the motor is greatly improved. The service environment of the motor is enlarged. The circuit board is fixed to prevent the circuit board from rotating and deviating. Simple structure, easy to use automated production, the commonality is strong, reduces motor vibration noise.

The motor is a Chinese utility model patent (application number: CN 201820593151.6). Wherein, the above-mentioned motor can be for providing rotary drive in this application. Here, description is not repeated, and the description will be given below on the large-load electric two-axis displacement platform according to the embodiment of the present application.

Referring to fig. 1-6, an electric two-axis displacement platform suitable for a low-temperature environment and a large load comprises a bottom plate 1 and a heating plate 4, wherein the heating plate 4 is fixedly installed at the top of the bottom plate 1, longitudinal driving mechanisms are fixedly installed on both sides of the top of the heating plate 4, the number of the longitudinal driving mechanisms is two, a transverse driving mechanism is installed between the two longitudinal driving mechanisms, both ends of the transverse driving mechanism are connected with the output ends of the longitudinal driving mechanisms, the input ends of the transverse driving mechanism and the input ends of the longitudinal driving mechanisms are both connected with a rotation driving mechanism, and a support plate 10 is fixedly installed at the output end of the transverse driving mechanism;

the longitudinal driving mechanism comprises a first threaded rod 17, a first long circular hole 19 is formed in the axis of the first threaded rod 17 along the length direction, a first heating rod 18 is connected to the first long circular hole 19 in a clearance fit mode, the transverse driving mechanism comprises a second threaded rod 22, a second long circular hole 23 is formed in the axis of the second threaded rod 22 along the length direction, a second heating rod 24 is connected to the second long circular hole 23 in a clearance fit mode, and heat conduction soft sleeves are sleeved on the cylindrical surface of the first heating rod 18 and the cylindrical surface of the second heating rod 24.

The bottom four corners of bottom plate 1 all fixed mounting have supporting shoe 2, the equidistant fixed mounting in bottom of bottom plate 1 has a plurality of balancing weights 3 for holistic support to and counter weight.

The heating plate 4 comprises an outer frame 401, a heat-conducting copper plate 402 and PTC heating sheets 403, the bottom of the outer frame 401 is fixedly connected with the top of the bottom plate 1, the heat-conducting copper plate 402 is fixedly embedded in the top of the outer frame 401, and the plurality of PTC heating sheets 403 are uniformly and fixedly mounted at the bottom of the heat-conducting copper plate 402 to provide a heating effect.

Rotate actuating mechanism and include safety cover 6, motor 13, first conical gear 14, second conical gear 15 and connecting axle 16, the inside fixed mounting of safety cover 6 has motor 13, the output shaft fixed mounting of motor 13 has first conical gear 14, connecting axle 16 rotates the inside of installing at safety cover 6, connecting axle 16 cup joints with second conical gear 15 is fixed, second conical gear 15 is connected with the meshing of first conical gear 14, second conical gear 15 diameter is three to four times of first conical gear 14 diameter, can provide the rotation drive.

Vertical actuating mechanism still includes first bar casing 5, first nut 20 and first guide block 21, 5 fixed mounting of first bar casing are at the top of heat conduction copper 402, first threaded rod 17 is installed in the internal rotation of first bar casing 5, the one end of first threaded rod 17 and the one end fixed connection of connecting axle 16, first threaded rod 17 and 20 threaded connection of first nut, first guide way 7 has been seted up to one side of first bar casing 5, first guide way 7 and first guide block 21 sliding connection, first guide block 21 and first nut 20 fixed connection, the one end of first guide block 21 and the one end fixed connection of second bar casing 8 can realize vertical displacement drive.

The transverse driving mechanism comprises a second strip-shaped shell 8, a second nut 25, a second guide block 26, a round shaft 27, a third bevel gear 28 and a fourth bevel gear 30, the round shaft 27 is rotatably installed inside the second strip-shaped shell 8, one end of the round shaft 27 is fixedly connected with one end of a second threaded rod 22, the second threaded rod 22 is rotatably installed inside the second strip-shaped shell 8, the second threaded rod 22 is in threaded connection with the second nut 25, the top of the second nut 25 is fixedly connected with the second guide block 26, the top of the second strip-shaped shell 8 is provided with a second guide groove 9, the second guide groove 9 is in sliding connection with the second guide block 26, the second guide block 26 is fixedly connected with the bottom of the carrier plate 10, the round shaft 27 is fixedly sleeved with the third bevel gear 28, and the third bevel gear 28 is in meshed connection with the fourth bevel gear 30, the fourth bevel gear 30 is fixedly sleeved with one end of the connecting shaft 16, so that the transverse displacement driving can be realized.

The bottom fixed mounting of support plate 10 has a plurality of bracing pieces 11, truckle 12 is installed to the bottom of bracing piece 11, provides the support drive for support plate 10, realizes removing.

The bottom of second bar casing 8 is fixed to bond has heat conduction cushion 29, heat conduction cushion 29 and the contact of heat conduction copper 402 top, and heat conduction cushion 29 and heat conduction soft cover adopt the heat conduction silica gel piece to make, have better heat conductivility.

A plurality of mounting holes are uniformly distributed on the surface of the carrier plate 10.

The diameter of the third conical gear 28 is five to six times the diameter of the fourth conical gear 30.

The whole machine adopts two longitudinal driving mechanisms to drive longitudinally, so that longitudinal load is guaranteed, a transverse driving mechanism is adopted to drive transversely, and the transverse load can be guaranteed by matching with the third conical gear 28 and the fourth conical gear 30 to drive in a speed reduction manner.

The first threaded rod 17 and the second threaded rod 22 are lead screws in the background technology, the first nut 20 and the second nut 25 are lead screw nuts in the background technology, heating is adopted between the lead screws, temperature rise is carried out, and operation is guaranteed.

The using method comprises the following steps: the whole large-load electric two-axis displacement platform provides an external supporting and mounting surface through the carrier plate 10 and is used for placing an object to be displaced; when the carrier plate 10 moves transversely, the motor 13 drives the first conical gear 14 to rotate, the first conical gear 14 and the second conical gear 15 are in meshing transmission, the connecting shaft 16 can be driven to rotate, and further, the fourth conical gear 30 and the third conical gear 28 are in meshing transmission, so that the circular shaft 27 and the second threaded rod 22 rotate together, the second nut 25 is driven, and the carrier plate 10 can move transversely by matching with the guide of the second guide block 26 and the second guide groove 9; the first screw rod 17 is driven to rotate by rotating a connecting shaft 16 of the driving mechanism, so that the first nut 20 is driven, and the first nut can be driven longitudinally by matching with the guide of the first guide block 21 and the first guide groove 7;

wherein the PTC heating sheet 403 generates heat in real time, the heat is conducted through the heat conducting copper plate 402, the heat is transferred to the first strip-shaped shell 5, thereby providing heating to the structure inside the first strip-shaped casing 5, the heat is transferred to the second strip-shaped casing 8 through the heat conductive cushion 29, so as to provide heating for the structure inside the second bar-shaped casing 8, further having a first heating rod 18 and a second heating rod 24, which, when the first threaded rod 17 and the second threaded rod 22 are rotated, the first heating rod 18 and the second heating rod 24 conduct heat through the heat conduction soft cushion 29, and can transfer heat to the first threaded rod 17 and the second threaded rod 22 to heat, thereby further increasing the temperature inside the first strip-shaped casing 5 and inside the second strip-shaped casing 8, therefore, the integral transmission structure can meet the operation requirement in a low-temperature environment, and the phenomenon that the temperature is too low and the lubricating oil liquid at the lubricating position is solidified is avoided.

The application has the advantages that: whole electronic two-axis displacement platform of heavy load can drive support plate 10 and carry out horizontal and vertical ascending removal, carry out the regulation of two axle direction positions, compare with the conventional art simultaneously, it is applicable to and runs under the low temperature environment, hot plate 4 has, can provide the heat treatment for vertical actuating mechanism's shell and horizontal actuating mechanism's shell, cooperate first heating rod 18 and second heating rod 24's effect, thereby provide the heating for vertical actuating mechanism and the inside structure of horizontal actuating mechanism, it runs under the low temperature environment to be convenient for, the guarantee is used.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides an electronic biaxial displacement platform suitable for low temperature environment heavy load which characterized in that: the heating device comprises a bottom plate (1) and a heating plate (4), wherein the heating plate (4) is fixedly installed at the top of the bottom plate (1), longitudinal driving mechanisms are fixedly installed on two sides of the top of the heating plate (4), the number of the longitudinal driving mechanisms is two, a transverse driving mechanism is installed between the two longitudinal driving mechanisms, two ends of the transverse driving mechanism are connected with the output ends of the longitudinal driving mechanisms, the input ends of the transverse driving mechanisms and the input ends of the longitudinal driving mechanisms are connected with rotation driving mechanisms, and a support plate (10) is fixedly installed at the output ends of the transverse driving mechanisms;

the longitudinal driving mechanism comprises a first threaded rod (17), a first long circular hole (19) is formed in the axis center of the first threaded rod (17) along the length direction, a first heating rod (18) is connected to the first long circular hole (19) in a clearance fit mode, the transverse driving mechanism comprises a second threaded rod (22), a second long circular hole (23) is formed in the axis center of the second threaded rod (22) along the length direction, a second heating rod (24) is connected to the second long circular hole (23) in a clearance fit mode, and heat-conducting soft sleeves are sleeved on the cylindrical surface of the first heating rod (18) and the cylindrical surface of the second heating rod (24).

2. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 1, characterized in that: the bottom four corners department of bottom plate (1) all fixed mounting have supporting shoe (2), the equidistant fixed mounting in bottom of bottom plate (1) has a plurality of balancing weights (3).

3. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 1, characterized in that: the heating plate (4) comprises an outer frame (401), a heat-conducting copper plate (402) and PTC heating pieces (403), the bottom of the outer frame (401) is fixedly connected with the top of the bottom plate (1), the heat-conducting copper plate (402) is installed in a fixed embedded mode at the top of the outer frame (401), and a plurality of PTC heating pieces (403) are evenly and fixedly installed at the bottom of the heat-conducting copper plate (402).

4. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 1, characterized in that: the rotary driving mechanism comprises a protective cover (6), a motor (13), a first conical gear (14), a second conical gear (15) and a connecting shaft (16), wherein the motor (13) is fixedly arranged inside the protective cover (6), the first conical gear (14) is fixedly arranged at an output shaft end of the motor (13), the connecting shaft (16) is rotatably arranged inside the protective cover (6), the connecting shaft (16) is fixedly sleeved with the second conical gear (15), the second conical gear (15) is meshed with the first conical gear (14) and is connected with the first conical gear (14), and the diameter of the second conical gear (15) is three to four times that of the diameter of the first conical gear (14).

5. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 1, characterized in that: vertical actuating mechanism still includes first bar casing (5), first nut (20) and first guide block (21), first bar casing (5) fixed mounting is at the top of heat conduction copper (402), first threaded rod (17) are installed to the inside rotation of first bar casing (5), the one end of first threaded rod (17) and the one end fixed connection of connecting axle (16), first threaded rod (17) and first nut (20) threaded connection, first guide way (7) have been seted up to one side of first bar casing (5), first guide way (7) and first guide block (21) sliding connection, first guide block (21) and first nut (20) fixed connection, the one end of first guide block (21) and the one end fixed connection of second bar casing (8).

6. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 1, characterized in that: the transverse driving mechanism comprises a second strip-shaped shell (8), a second nut (25), a second guide block (26), a round shaft (27), a third bevel gear (28) and a fourth bevel gear (30), the round shaft (27) is rotatably installed inside the second strip-shaped shell (8), one end of the round shaft (27) is fixedly connected with one end of a second threaded rod (22), the second threaded rod (22) is rotatably installed inside the second strip-shaped shell (8), the second threaded rod (22) is in threaded connection with the second nut (25), the top of the second nut (25) is fixedly connected with the second guide block (26), the top of the second strip-shaped shell (8) is provided with a second guide groove (9), the second guide groove (9) is in sliding connection with the second guide block (26), and the second guide block (26) is fixedly connected with the bottom of the carrier plate (10), the round shaft (27) is fixedly sleeved with a third conical gear (28), the third conical gear (28) is meshed with a fourth conical gear (30), and the fourth conical gear (30) is fixedly sleeved with one end of the connecting shaft (16).

7. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 1, characterized in that: the bottom fixed mounting of support plate (10) has a plurality of bracing pieces (11), truckle (12) are installed to the bottom of bracing piece (11).

8. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 6, wherein: the bottom of the second strip-shaped shell (8) is fixedly bonded with a heat-conducting soft pad (29), and the heat-conducting soft pad (29) is in contact with the top of the heat-conducting copper plate (402).

9. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 1, characterized in that: a plurality of mounting holes which are uniformly distributed are uniformly formed in the surface of the carrier plate (10).

10. The large-load electric biaxial displacement platform suitable for the low-temperature environment according to claim 6, wherein: the diameter of the third conical gear (28) is five to six times of that of the fourth conical gear (30).

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