CN112636516A

CN112636516A - Mining frequency conversion speed regulation all-in-one

Info

Publication number: CN112636516A
Application number: CN202011528752.7A
Authority: CN
Inventors: 蒲绍宁; 安郁熙; 王者胜; 艾国昌; 王威; 张东岳; 吕有良; 周显礼; 崔焕朋; 宋玉斌
Original assignee: Huaxia Tianxin Intelligent Internet Of Things Co ltd
Current assignee: Huaxia Tianxin Intelligent Internet Of Things Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-04-09

Abstract

The invention relates to the technical field of variable-frequency speed regulation integrated machines, and discloses a mining variable-frequency speed regulation integrated machine which comprises a machine base part used for mounting a variable-frequency speed regulation machine body and an air path structure used for cooling and radiating the variable-frequency speed regulation machine body. The wind path structure comprises a protective cover and a working element arranged in the protective cover, wherein the working element comprises a machine base cylinder, a baffle plate used for opening or sealing a gap is hinged on the protective cover, an air inlet hole communicated with the interior of the protective cover is formed in the front surface of the baffle plate, guide rods are fixedly connected to the inner wall of the protective cover, and a movable plate is inserted between the two guide rods in a sliding mode along the length direction of the guide rods. The invention can be compatibly installed in different environments and has good heat dissipation.

Description

Mining frequency conversion speed regulation all-in-one

Technical Field

The invention belongs to the technical field of variable-frequency speed regulation integrated machines, and particularly relates to a mining variable-frequency speed regulation integrated machine.

Background

The frequency conversion and speed regulation integrated machine adopts an alternating current speed regulation mode of a special frequency conversion induction motor and a frequency converter, so that the mechanical automation degree and the production efficiency are greatly improved. The equipment is miniaturized, increases the travelling comfort, is replacing traditional mechanical speed regulation and direct current speed regulation scheme at present, and the equipment has been widely applied to the construction operation of underground mechanized mining working faces and underground fully mechanized mining working faces.

On one hand, when the variable-frequency speed regulation all-in-one machine is used, the variable-frequency speed regulation all-in-one machine needs to be installed in the base part, and the variable-frequency speed regulation all-in-one machine is fixed on corresponding equipment through the base part, but the existing base part can only be connected with the corresponding equipment in a bolt fixing mode generally, if equipment with a reserved screw hole not aligned is encountered, the equipment cannot be installed, and the problem of compatibility exists in actual use, so that the problem is necessarily solved by designing the variable-frequency speed regulation all-in-one machine for the mine.

On the other hand, the variable-frequency speed-regulating all-in-one machine needs very large power when in work, a large amount of heat is generated along with the variable-frequency speed-regulating all-in-one machine, if the heat cannot be timely dissipated to the outside, the working efficiency of the variable-frequency speed-regulating all-in-one machine is influenced, and equipment can be seriously burned out. However, the heat on the current frequency control all-in-one machine is mainly dissipated by the aid of cooling fins and fans, but the heat dissipation efficiency of the existing frequency control all-in-one machine is not high, so that an air duct generated by a fan cannot effectively and quickly take away the heat on the cooling fins, and the blades of the fan for heat dissipation can accumulate dust after the fan is used for a period of time, so that the heat dissipation effect is reduced, but the fan is installed inside the frequency control all-in-one machine and is difficult to take out, remove dust and ash, and therefore it is necessary to design an air path structure for the mining frequency control all-in-one machine to solve the problem.

Disclosure of Invention

The invention aims to: in order to solve the problems in the background technology, the invention provides a mining variable-frequency speed-regulating all-in-one machine.

In order to achieve the purpose, the invention provides the following technical scheme: the mining variable-frequency speed regulation all-in-one machine comprises a machine base part and a wind path structure, wherein the machine base part is used for installing a variable-frequency speed regulation machine body, the wind path structure is used for cooling and radiating the variable-frequency speed regulation machine body, the machine base part comprises a machine base cylinder which is directly used for installing the variable-frequency speed regulation machine body, the bottom of the outer peripheral side of the machine base cylinder is fixedly connected with a first supporting plate and a second supporting plate, the bottom of the first supporting plate is fixedly connected with a bottom plate in the horizontal direction, the top of the outer peripheral side of the machine base cylinder is fixedly connected with a second supporting plate, the top of the second supporting plate is fixedly connected with a top plate in the horizontal direction, the surface of the top plate is provided with a top plate with a.

The air path structure comprises a shield and a working element arranged in the shield, the working element comprises the machine seat cylinder, the front surface of the protective cover is provided with a gap, a baffle plate which can open or seal the gap is hinged on the protective cover, the front surface of the baffle is provided with an air inlet communicated with the interior of the shield, the inner wall of the shield is fixedly connected with two symmetrical guide rods which are in the horizontal direction and have concave longitudinal sections, a movable plate is inserted between the two guide rods in a sliding way along the length direction of the guide rods, the movable plate is fixedly provided with a motor with an output shaft facing to the transverse direction and far away from the baffle plate, the tail end of the output shaft of the motor is fixedly connected with a longitudinal heat dissipation fan, the heat dissipation fan is positioned between the baffle plate and the working element, and one side of the air inlet of the cooling fan is close to the baffle, one side of the air outlet of the cooling fan is close to the working element, and the back of the protective cover is provided with a plurality of air outlet holes.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the bottom plate, the top plate and the lifting assembly arranged on the base cylinder, after the variable-frequency speed-regulating all-in-one machine is installed in the base cylinder, the variable-frequency speed-regulating all-in-one machine can be directly placed on the ground through the two bottom plates as supports, the top plate can also be attached to the shell of corresponding equipment, and the top plate and the equipment are fixed through bolts matched with screw holes, so that the effect of installing the variable-frequency speed-regulating all-in-one machine on the shell of the corresponding equipment is realized, or the bottom plates are installed on corresponding components through bolts and. Simultaneously, also can be through the effect of lifting by crane the subassembly with the frame section of thick bamboo hoist and mount, make the variable frequency speed governing all-in-one can hoist and mount in eminence position according to the operation needs, such design makes the frame section of thick bamboo can carry out compatible installation under the environment of difference to the variable frequency speed governing all-in-one of being convenient for is used in the installation of different positions, has higher practicality in the in-service use.

2. According to the invention, through the radiating fins arranged on the base cylinder, the heat generated by the variable-frequency speed-regulating all-in-one machine during operation can be conducted to the base cylinder, and the heat of the base cylinder can be conducted to each radiating fin, so that the heat radiating area is increased, the heat radiating speed of the variable-frequency speed-regulating all-in-one machine is increased, and the influence on the normal operation of the variable-frequency speed-regulating all-in-one machine due to overhigh temperature is avoided.

3. According to the variable-frequency speed-regulating all-in-one machine, the fixed block is arranged on the second support plate, the cavity is formed between the inner wall of the fixed block and the surface of the second support plate, and the connecting wire of the variable-frequency speed-regulating all-in-one machine can penetrate through the cavity and is wound on the fixed block, so that the effect of collecting the wire is achieved, and the wire is prevented from being dragged on the machine seat cylinder.

4. In addition, the invention also provides a movable plate and a radiating fan which are arranged in the protective cover, the radiating fan can suck external air into the protective cover through an air inlet hole on the baffle plate after rotating, then the air is blown to the working element and radiating fins on the working element, the air can flow through a gap between the working element and the inner wall of the protective cover and finally is discharged out of the protective cover through an air outlet hole, so that an air path is formed in the protective cover, the radiating efficiency of the working element in the protective cover is ensured, the influence on normal operation and service life due to overhigh temperature after the frequency conversion and speed regulation all-in-one machine works for a long time is avoided, simultaneously, after the frequency conversion and speed regulation all-in-one machine is used for a long time, the baffle plate can be opened and the movable plate can be held by hands to pull out the protective cover through a gap on the protective cover, so that the motor and the radiating fan can, the air in the protective cover flows slowly, so that the temperature of the variable-frequency speed regulation all-in-one machine is abnormal, and the service performance and the reliability are improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the internal cutaway structure of the present invention;

FIG. 2 is a schematic end view of the housing assembly of the present invention;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a diagram of an exemplary connection structure between a first support plate and a base plate;

FIG. 6 is a view showing a connection structure of hinge parts;

FIG. 7 is a view showing the structure of the support base;

FIG. 8 is a right side view of the present invention;

FIG. 9 is a schematic view of the air path structure in cooperation with the frame member with the governor body mounted thereon;

FIG. 10 is a schematic view of a heat dissipation fan according to the present invention;

FIG. 11 is a sectional view taken along line C-C of FIG. 10;

FIG. 12 is a sectional view of the movable plate structure of the present invention;

in the figure: a. a base member; b, an air path structure; 1. a base barrel; 2. a first support plate; 3. a base plate; 4. a support plate II; 5. a top plate; 6. a hoisting assembly; 61. a sleeve; 62. lifting a lifting ring; 7. a fixed block; 8. a heat sink; 9. an elastic pad; 10. a hinge member; 11. a slide base; 12. locking the bolt; 13. a supporting seat; 101. a hinge sleeve; 102. hinging a shaft; 201. an upper support plate; 202. a single-ended stud; 203. a lower support plate; 204. a handle; 301. a T-shaped chute; b1, a shield; b2, a working element; b3, a baffle; b4, an air inlet hole; b5, a guide rod; b6, a movable plate; b7, a motor; b8, a heat radiation fan; b81, a ring block; b82, fan blade; b83, connecting sleeve; b9, vent holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

The mining variable-frequency speed regulation all-in-one machine provided by the specific embodiment mainly comprises a machine base part a used for mounting a variable-frequency speed regulation machine body and an air path structure b used for cooling and radiating the variable-frequency speed regulation machine body, as shown in fig. 1. Specifically, as shown in fig. 2-4, the base component a includes a base cylinder 1 for mounting the variable frequency speed control all-in-one machine, two symmetrical first support plates 2 are fixedly connected to the bottom of the outer periphery of the base cylinder 1, bottom plates 3 in the horizontal direction are fixedly connected to the bottoms of the two first support plates 2, two symmetrical second support plates 4 are fixedly connected to the top of the outer periphery of the base cylinder 1, top plates 5 in the horizontal direction and with a plurality of screw holes on the surface are fixedly connected to the tops of the two second support plates 4, a lifting assembly 6 for lifting the base cylinder 1 is disposed on the base cylinder 1, after the variable frequency speed control all-in-one machine is mounted in the base cylinder 1, the variable frequency speed control all-in-one machine can be directly placed on the ground through the two bottom plates 3 as supports, and the top plate 5 can also be attached to the housing of the corresponding device, specifically in this embodiment, it is the lower surface of a, and fix roof 5 through bolt cooperation screw, in order to realize installing the effect at corresponding equipment shell or other positions with the variable frequency speed governing all-in-one, simultaneously, also can hoist a frame section of thick bamboo 1 through the effect of hoisting accessory 6, make the variable frequency speed governing all-in-one hoist and mount in eminence position according to the operation needs, such design makes frame section of thick bamboo 1 can carry out compatible installation under the environment of difference or in the all-in-one outside casing of difference, thereby be convenient for the variable frequency speed governing all-in-one use in the installation of different positions, adaptability is extremely strong.

Referring to fig. 8-12, the air path structure b of the present invention includes a shroud b1 and an operating element b2 installed in the shroud b1, the operating element b2 is mainly a base component a installed with the body of the inverter governor and other related accessories, and in order to further improve heat dissipation, a plurality of heat sinks may be selectively installed on the surface of the operating element b2, so as to increase the efficiency of transferring the heat generated by the operating element b2 to the heat sinks, and further increase the heat dissipation area. The working element b2 is arranged in the shield b1 through a bracket, a certain gap is formed between the surface of the working element b2 and the inner wall of the shield b1, a notch is formed in the front face of the shield b1, a baffle b3 capable of opening or sealing the notch is hinged to the shield b1, and an air inlet hole b4 communicated with the inside of the shield b1 is formed in the front face of the baffle b 3. Two symmetrical guide rods b5 with a concave longitudinal section are fixedly connected to the inner wall of the shield b1 and are arranged in the horizontal direction, as shown in fig. 12, a movable plate b6 is inserted between the two guide rods b5 in a sliding manner along the length direction of the guide rods, and a motor b7 with an output shaft facing the transverse direction and far away from the baffle b3 is fixedly installed on the upper surface or the upper part of the movable plate b 6. The tail end of the output shaft of the motor b7 is fixedly connected with a heat radiation fan b8, the heat radiation fan b8 is positioned between the baffle b3 and the working element b2, the air inlet side of the heat radiation fan b8 is close to the baffle b3, and the air outlet side of the heat radiation fan b8 is close to the working element b2, so that heat radiation is carried out on the working element b 2. The surface of the shroud b1 of this embodiment is further provided with a plurality of air outlets, so that when the output shaft of the motor b7 rotates, the output shaft can drive the heat dissipation fan b8 to rotate synchronously, the heat dissipation fan b8 can suck external air into the shroud b1 through the air inlet holes b4 on the baffle b3 after rotating, and then blow the air to the working element b2 and the heat dissipation fins on the working element b2, the air can flow through the gap between the working element b2 and the inner wall of the shroud b1 and finally be discharged out of the shroud b1 through the air outlet holes, so as to form an air path (refer to the air path indicated by the arrow in fig. 9) in the shroud b1, thereby ensuring the heat dissipation efficiency of the working element b2 in the shroud b1, and avoiding the influence on normal operation and service life due to overhigh temperature after the long-term operation of the frequency and speed control. Meanwhile, after the variable-frequency speed-regulating all-in-one machine is used for a long time, the baffle b3 can be opened, the movable plate b6 can be held by hands, and the movable plate b6 can be pulled out of the shield b1 through the notch on the shield b1, and a push-pull handle can be fixed on the side edge of the movable plate b6 if necessary. Therefore, the motor b7 and the cooling fan b8 can be taken out of the shield b1 quickly, so that dust accumulated on the cooling fan b8 can be removed conveniently, and the phenomenon that the air in the shield b1 flows slowly due to excessive dust accumulation of the cooling fan b8, and the temperature of the variable-frequency speed-regulating all-in-one machine is abnormal and damaged is avoided.

As a specific implementation detail, referring to fig. 2 and 4 for the structure of the base part a, in order to enable the base cylinder 1 to be hoisted, in some embodiments, the hoisting assembly 6 includes two sleeves 61 symmetrically and fixedly connected to the outer periphery of the base cylinder 1 and located between the first support plate 2 and the second support plate 4, and hoisting rings 62 are rotatably inserted into the two sleeves 61, so that after a rope of hoisting equipment is fastened in the hoisting rings 62, the hoisting rings 62 can be hoisted, thereby hoisting the base cylinder 1, and facilitating the installation of the variable frequency speed control all-in-one machine at a high position.

In addition, as shown in fig. 2 and 3, for the problem that the existing base part a has poor heat dissipation performance and may cause the variable frequency speed control all-in-one machine to have an influence on the service life due to an overhigh temperature for a long time, in some embodiments, a plurality of heat dissipation fins 8 are fixedly connected to the outer peripheral side of the base cylinder 1, the heat generated by the variable frequency speed control all-in-one machine during operation is conducted to the base cylinder 1, and the heat of the base cylinder 1 is conducted to each heat dissipation fin 8, so that the heat dissipation area of the heat is increased, the heat dissipation speed of the variable frequency speed control all-in-one machine is increased, and the influence on the normal operation of the variable frequency speed control all-in-one machine due to an overhigh temperature is avoided.

More specifically, each heat sink 8 is a metal sheet with high thermal conductivity and preferably has an isosceles trapezoid structure, such as a copper sheet, an aluminum sheet, etc., so as to conduct the heat of the housing tube 1 to the heat sink 8 more efficiently, and such a design is more reasonable.

As shown in fig. 2, preferably, one side of one of the second support plate 4 close to the other second support plate 4 is fixedly connected with a fixing block 7 with a cross section in a shape of ] and used for winding an electric wire, a cavity is formed between the inner wall of the fixing block 7 and the surface of the second support plate 4, and a connecting electric wire of the variable-frequency speed-regulating all-in-one machine can penetrate through the cavity and is wound on the fixing block 7, so that the effect of collecting the electric wire is achieved, and the electric wire is prevented from being dragged on the machine seat cylinder.

Meanwhile, referring to fig. 2, the elastic cushions 9 are fixedly connected to the bottoms of the two bottom plates 3, the variable-frequency speed-regulating all-in-one machine can vibrate during operation, and the elastic cushions 9 are designed to buffer the vibration generated by the variable-frequency speed-regulating all-in-one machine when the base cylinder 1 is placed on the ground, so that the variable-frequency speed-regulating all-in-one machine is protected.

Further, the support plate 2 is a telescopic plate or a hydraulic rod, and the hydraulic rod is used as a support rod for installation and bearing. In the case of the retractable plate, more specifically, as shown in fig. 5, the retractable plate comprises an upper support plate 201, a lower support plate 203 and a single-end stud 202, wherein the top end of the upper support plate 201 is fixedly connected to the outer wall of the housing tube 1, the bottom end of the upper support plate has a blind hole, the inner wall of the blind hole has an annular protruding ring, the top end of the single-end stud 202 has a constricted journal portion and is rotatably mounted in the blind hole, the protruding ring is sleeved in the journal portion to limit the axial movement of the single-end stud, the bottom end of the single-end stud 202 has threads, the threaded end is screwed into the threaded hole at the top end of the lower support plate 203 in a threaded manner, the bottom end of the lower support plate 203 is hinged to the top surface of the slider 11 through a hinge component 10, the bottom end of the slider 11 is slidably mounted in a T-shaped chute 301 on the top surface of the, the common connection and fixation method that a T-shaped bolt is matched with a T-shaped sliding groove on a machine tool can be referred to, so that when the height of the machine seat cylinder 1 is well positioned, the support plate I2 can be fixedly connected to the bottom plate 3 through the sliding seat 11 when extending to a sufficient length, and the relative fixation among the machine seat cylinder 1, the support plate I2 and the bottom plate 3 is kept. Meanwhile, a handle 204 is fixedly connected to the single-end stud 202 which is always exposed between the two support plates. So designed, then when using, can pull handle 204, make single-end stud 202 rotate, then, because the gliding limiting displacement of slide 11 in above-mentioned T type spout 301, order about down extension board 203 and deviate from/be close to the last extension board 201 along its length direction and remove, thereby the flexible of expansion plate has been realized, be convenient for adjust the mounting height of frame part an, and can make frame part a's roof and bottom plate 3 all laminate the installation rather than matched with connecting means separately simultaneously, it is fixed more firm, the installation is more nimble changeable, the adaptability is stronger.

On the basis of the specific structure of the above-mentioned expansion plate, preferably, a groove is formed on the top surface of the sliding seat 11, as shown in fig. 6-7, the hinge component 10 includes a hinge shaft 102, a hinge sleeve 101, and a locking bolt 12, one end of the hinge shaft 102 is horizontally and fixedly connected to the inner side wall of the groove, the other end thereof is a free end, the hinge sleeve 101 is a pipe structure with one closed end and the other open end, the open end of the hinge sleeve 101 is sleeved on the hinge shaft 102 so that the hinge sleeve 101 is rotatably and fittingly installed on the hinge shaft 102, and the end surface of the closed end has a cylindrical concave hole; the outer wall of the hinge sleeve 101 is fixedly connected with the bottom end of the lower support plate 203, the bottom end of the lower support plate 203 extends into the opening of the groove, and after the locking bolt 12 is screwed into the groove from the outer side of the groove and is screwed tightly, the end face of the locking bolt 12 is just inserted into the cylindrical concave hole to tightly push and fix the hinge sleeve 101. The hinge structure is very simple and ingenious, after the seat barrel 1 is installed, the load on the support plate I2 is borne by the hinge shaft 102 and the locking bolt 12 together, the bearing performance is good, the outer wall of the hinge sleeve 101 is not in contact with the groove, and the rotation is more flexible. In order to further improve the stability and the bearing capacity to adapt to the installation of a heavy frequency conversion and speed regulation integrated machine, a supporting seat 13 can be arranged at the bottom of the groove close to the closed end of the hinge sleeve 101, the top end of the supporting seat 13 is a major arc-shaped notch, and the hinge sleeve 101 is installed in the notch in a rotating fit mode so as to jointly support the pressure transmitted by the hinge part 10.

Preferably, referring to fig. 12, both sides of the movable plate b6 are fixedly provided with wave ball screws, one side of the two guide rods b5 close to each other is provided with a limiting hole corresponding to the wave ball screws, the limiting hole is used for screwing the wave ball screws, and the spherical end of the wave ball screws faces the bottom of the limiting hole. When the movable plate b6 is completely inserted into the two guide rods b5, the wave ball screw is inserted into the limit hole to limit the movable plate b6, so that the phenomenon that the movable plate b6 slides in the guide rods b5 due to vibration when the motor b7 operates is avoided, and the vibration of the motor b7 during operation is reduced. In order to facilitate rapid insertion, a cylindrical spring (not shown in the figure) can be mounted at the bottom of the blind hole for mounting the wave ball screw on the movable plate b6, the end of the cylindrical spring is connected with the aspheric end of the wave ball screw, and the spherical end of the cylindrical spring extends out of the blind hole; the bottom of the limiting hole is provided with a spherical groove which is matched with the spherical end of the wave ball screw in an inserting mode, and when the limiting hole is used, the spherical end slides to the spherical groove and is clamped when being extruded and slid in the limiting groove under the elastic action of the cylindrical spring.

As a specific implementation detail, a specific connection manner between the baffle b3 and the shield b1 is that the top of the baffle b3 is hinged to the shield b1 through a hinge, a plurality of first bolts are inserted and connected to the baffle b3, and a plurality of screw holes corresponding to the first bolts are formed in the surface of the shield b1, so that the baffle b3 can be fixed on the shield b1 and seal the notch of the shield b1, and the movable plate b6 is prevented from being separated from the shield b1 from the notch when the shield b1 is carried, and the design is more compact and simple.

In addition, in order to facilitate the cleaning or replacement of the heat dissipation fan b8 with water, as shown in fig. 9, 10 and 11, in some embodiments, a threaded sleeve is fixedly connected to the tail end of the output shaft of the motor b7, the heat dissipation fan b8 includes a ring block b81, a plurality of fan blades b82 distributed in an equidistant annular array are fixedly connected to the outer circumferential side of the ring block b81, a connecting sleeve b83 located on the same central axis is fixedly inserted to the inner circumferential side of the ring block b81, a second bolt is inserted into the connecting sleeve b83, and one end of the second bolt is inserted into the threaded sleeve through threaded fit, so that the second bolt can be disengaged from the threaded sleeve by rotating the second bolt, thereby the second bolt can release the fixing of the heat dissipation fan b8, and the heat dissipation fan b8 can be detached from the output shaft of the motor b7, so as to facilitate the cleaning or replacement of the heat dissipation fan b 8.

Referring to fig. 8, in some embodiments, the front surface of the shield b1 is provided with a vent b9 located above the notch, and the design of the vent b9 can increase the circulation efficiency of air inside the shield b1, so as to further improve the heat dissipation effect of the working element b2 inside the shield b 1. Meanwhile, dust screens are fixedly arranged in the air inlet hole b4, the air outlet hole and the air vent hole b9, so that dust in a mine is prevented from entering the shield b1, and the design is more reliable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The mining variable-frequency speed regulation all-in-one machine comprises a machine base part for mounting a variable-frequency speed regulation machine body and an air path structure for cooling and radiating the variable-frequency speed regulation machine body, it is characterized in that the base component comprises a base cylinder (1) directly used for mounting the variable frequency speed regulator body, the bottom of the peripheral side of the machine seat cylinder (1) is fixedly connected with two symmetrical support plates I (2), the bottoms of the two support plates I (2) are fixedly connected with a bottom plate (3) in the horizontal direction, the top of the peripheral side of the machine seat cylinder (1) is fixedly connected with two symmetrical support plates II (4), the top of the two support plates II (4) is fixedly connected with a top plate (5) which is in a horizontal direction and is provided with a plurality of screw holes on the surface, the machine base cylinder (1) is provided with a hoisting assembly (6) for hoisting the machine base cylinder (1);

the air path structure comprises a shield (b1) and a working element (b2) which is arranged in the shield (b1) and comprises the machine base cylinder (1), the front surface of the shield (b1) is provided with a gap, a baffle (b3) which can be opened or sealed with the gap is hinged on the shield (b1), the front surface of the baffle (b3) is provided with an air inlet hole (b4) communicated with the interior of the shield (b1), the inner wall of the shield (b1) is fixedly connected with two symmetrical guide rods (b5) which are horizontally arranged and have concave longitudinal sections, a movable plate (b6) is inserted between the two guide rods (b5) in a sliding mode along the length direction of the movable plate, a motor (b7) of which an output shaft is far away from the baffle (b3) is fixedly arranged on the movable plate (b6), the tail end of the output shaft of the motor (b7) is fixedly connected with a radiating fan (b8), and the radiating fan (b8) is positioned between the baffle (b3) and the working element (b2, and one side of radiator fan (b8) air inlet is close to baffle (b3), one side of radiator fan (b8) air-out is close to working element (b2), a plurality of exhaust vent has been seted up on the surface of guard shield (b 1).

2. The mining variable-frequency speed regulation integrated machine according to claim 1, wherein the hoisting assembly (6) comprises two sleeves (61) which are symmetrically and fixedly connected to the outer peripheral side of the base cylinder (1) and are positioned between the first support plate (2) and the second support plate (4), and hoisting rings (62) are rotatably inserted into the two sleeves (61); the peripheral side of the machine seat cylinder (1) is fixedly connected with a plurality of radiating fins (8) distributed in an equidistant annular array mode, and each radiating fin (8) is a metal sheet with high thermal conductivity and is in an isosceles trapezoid structure.

3. The mining variable-frequency speed regulation all-in-one machine according to claim 1, wherein one side, facing the other support plate two (4), of one support plate two (4) is fixedly connected with a fixing block (7) in a shape of a Chinese character 'ji' for winding electric wires; the bottoms of the two bottom plates (3) are fixedly connected with elastic pads (9).

4. The mining variable-frequency speed regulation all-in-one machine according to claim 1, characterized in that the supporting plate I (2) is a telescopic plate, the bottom end of the telescopic plate is hinged on the bottom plate (3) through a sliding seat (11), the sliding seat (11) is in linear sliding fit with the bottom plate (3), and the sliding seat (11) can be fixed on the bottom plate (3).

5. The mining variable-frequency speed regulation all-in-one machine as claimed in claim 1, wherein wave ball screws are fixedly mounted on both sides of the movable plate (b6), limiting holes corresponding to the wave ball screws are formed in the sides, close to each other, of the two guide rods (b5), the wave ball screws are screwed in the limiting holes, and the spherical ends of the wave ball screws face the bottoms of the limiting holes.

6. The mining variable-frequency speed regulation all-in-one machine as claimed in claim 1, wherein a plurality of first bolts are inserted and connected to the baffle (b3), and a plurality of screw holes corresponding to the first bolts are formed in the surface of the shield (b 1).

7. The mining variable-frequency speed regulation all-in-one machine of claim 1, characterized in that a threaded sleeve is fixedly connected to the tail end of an output shaft of the motor (b7), the cooling fan (b8) comprises an annular block (b81), a plurality of fan blades (b82) distributed in an equidistant annular array are fixedly connected to the outer circumferential side of the annular block (b81), a connecting sleeve (b83) located on the same central axis with the annular block (b81) is fixedly inserted to the inner circumferential side of the annular block, a second bolt is connected to the inside of the connecting sleeve (b83), and one end of the second bolt is inserted into the threaded sleeve in a threaded fit mode.

8. The mining variable-frequency speed regulation all-in-one machine as claimed in claim 1, wherein the front face of the shield (b1) is provided with a vent hole (b9) above the notch; dust screens are fixedly arranged in the air inlet (b4), the air outlet and the air vent (b 9).

9. The mining variable-frequency speed regulation all-in-one machine according to claim 5, wherein a cylindrical spring is mounted at the bottom of a blind hole for mounting a wave ball screw on the movable plate (b6), the end part of the cylindrical spring is connected with the aspheric end of the wave ball screw, and the spherical end of the cylindrical spring extends out of the blind hole; the bottom of the limiting hole is provided with a spherical groove which is matched with the spherical end of the wave ball screw in an inserting way; the length of the cylindrical spring is required to enable the spherical end to be clamped when the spherical end slides in the limiting groove in a sliding mode and slides to the spherical groove.