CN114738640A

CN114738640A - Adjustable installation equipment for frequency converter

Info

Publication number: CN114738640A
Application number: CN202210340861.9A
Authority: CN
Inventors: 雷崇文; 吕小光
Original assignee: Beijing Aofengyuan Technology Co ltd
Current assignee: Beijing Aofengyuan Technology Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-12
Anticipated expiration: 2042-04-02
Also published as: CN114738640B

Abstract

The application discloses adjustable mounting equipment for a frequency converter, which comprises a cross beam and a vertical beam fixedly connected to the cross beam, wherein a transverse sliding groove is formed in the cross beam, a first lead screw is mounted in the transverse sliding groove, the first lead screw is in threaded connection with a first two sliding blocks, a vertical sliding groove is formed in the vertical beam, a second lead screw is mounted in the vertical sliding groove, a second sliding block is in threaded connection with a second lead screw, a rotating shaft is mounted in the transverse sliding groove, a first gear and a first bevel gear are mounted on the rotating shaft, a second gear is mounted on the first lead screw, the second gear is meshed with the first gear, a first sliding hole is formed in the cross beam, the first sliding hole is communicated with the transverse sliding groove, a driving shaft is slidably mounted in the sliding hole, a second bevel gear is mounted on the driving shaft, the first bevel gear is meshed with the second bevel gear, a second sliding hole is formed in the second lead screw, a rotating cavity is formed in the inner wall of the second sliding hole, an insert block is fixedly connected to the driving shaft, and is rotatably mounted in the rotating cavity, the inner wall of the top of the rotating cavity is provided with a slot. The method and the device have the effect of simplifying the operation steps of fixing the frequency converter by an operator.

Description

Adjustable installation equipment for frequency converter

Technical Field

The application relates to the technical field of frequency converter installation equipment, in particular to adjustable installation equipment for a frequency converter.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit micro-processing unit and the like. The frequency converter can provide the required power supply voltage according to the actual requirement of the motor, thereby achieving the purposes of energy conservation and speed regulation.

Chinese utility model patent file with publication number CN209105024U discloses a converter fixing device among the correlation technique, including crossbeam and the upright roof beam of fixed connection on the crossbeam, first threaded rod is installed to the crossbeam internal rotation, and threaded connection has two first sliders on the first threaded rod, and fixed coaxial coupling has first hand wheel on the first threaded rod, founds the roof beam internal rotation and installs the second threaded rod, and threaded connection has the second slider on the second threaded rod, and fixedly connected with is used for supporting the layer board of converter on the second slider, and coaxial coupling has the second hand wheel on the second threaded rod.

When operating personnel need install the converter on above-mentioned equipment, not only need rotate the height that the second hand wheel adjusted the layer board, still need rotate first hand wheel and adjust the interval of two first sliders, just can fix the converter through rotating two hand wheels, the operation is comparatively loaded down with trivial details, the convenience remains to be promoted.

Disclosure of Invention

In order to simplify the operation steps of fixing the frequency converter by an operator, the application provides adjustable mounting equipment for the frequency converter.

The application provides a pair of adjustable erection equipment is used to converter adopts following technical scheme:

an adjustable mounting device for a frequency converter comprises a cross beam and a vertical beam, wherein the vertical beam is fixedly connected to the cross beam, a transverse sliding groove is formed in the cross beam, a first lead screw is rotatably mounted in the transverse sliding groove, the first lead screw is in threaded connection with a first two sliding blocks, a vertical sliding groove is formed in the vertical beam, a second lead screw is rotatably mounted in the vertical sliding groove, the second lead screw is in threaded connection with a second sliding block, a supporting plate is fixedly connected to the second sliding block, a rotating shaft is rotatably mounted in the transverse sliding groove, a first gear and a first bevel gear are coaxially connected to the rotating shaft, a second gear is coaxially connected to the first lead screw and is meshed with the first gear, a first sliding hole is formed in the cross beam and is communicated with the transverse sliding groove, a driving shaft is slidably mounted in the sliding hole and is coaxially connected with a second bevel gear which is meshed with the first bevel gear, a second sliding hole is formed in the second lead screw, a rotating cavity is formed in the inner wall of the second sliding hole, an inserting block is fixedly connected to the driving shaft and is rotatably installed in the rotating cavity, and a slot for inserting the inserting block is formed in the inner wall of the top of the rotating cavity.

Through the technical scheme, when an operator needs to install the frequency converter on the equipment, the frequency converter is firstly placed on the supporting plate, then the driving shaft is rotated, the driving shaft drives the bevel gear II to rotate, the bevel gear II drives the bevel gear I to rotate, the bevel gear drives the rotating shaft and the gear I to rotate, the gear I drives the gear II to rotate, the gear II drives the screw I to rotate, the screw I drives the two sliders I to slide, so that the distance between the two sliders I is equal to the width of the frequency converter, then the driving shaft is pulled upwards and rotated, on one hand, the meshing state of the bevel gear I and the bevel gear II is relieved, on the other hand, the inserting block is inserted into the inserting groove, the driving shaft is rotated again, the driving shaft drives the screw II to rotate, the screw II drives the sliders II to slide upwards, the sliders I drives the supporting plate and the frequency converter to move upwards, so that the frequency converter is positioned between the two sliders I, and the installation of the frequency converter is finished, therefore, the frequency converter can be installed on the equipment only by controlling the driving shaft, and the operation steps for installing the frequency converter are simplified.

The present application may be further configured in a preferred example to: the driving shaft is provided with a fixing groove, the transverse sliding groove is internally provided with a fixing pin in a sliding manner, and the transverse sliding groove is internally provided with a driving device which is used for matching with the fixing pin and is automatically inserted into the fixing groove.

Through above-mentioned technical scheme, after operating personnel upwards tractive drive shaft, peg graft the fixed pin in the fixed slot, the rethread rotates the drive shaft for converter rebound on the layer board can make operating personnel when rotating the drive shaft like this, need not to provide ascending power to the drive shaft and can make the inserted block peg graft in the slot, has further simplified operating procedure.

The present application may be further configured in a preferred example to: the driving device comprises a spring and a baffle, the baffle is fixedly connected to the inner wall of the transverse sliding groove, one end of the spring is fixedly connected to the fixing pin, the other end of the spring is fixedly connected to the baffle, a first driving inclined plane is arranged on the driving shaft, a second driving inclined plane is arranged at one end, close to the driving shaft, of the fixing pin, and the first driving inclined plane and the second driving inclined plane are matched with each other.

Through above-mentioned technical scheme, at the in-process of the upwards tractive drive shaft of operating personnel, after drive inclined plane one and drive inclined plane two contact, the fixed pin slides to the one side of keeping away from the drive shaft under the thrust effect of drive shaft, and the spring is in compressed state this moment, and when the fixed pin is just to the fixed slot, the fixed pin slides and plug in the fixed slot to the one side that is close to the drive shaft under the spring action of spring to accomplish the fixed pin spacing to the drive shaft.

The present application may be further configured in a preferred example to: the first lead screw is coaxially connected with a ratchet wheel, a linkage shaft is rotatably mounted in the transverse sliding groove, a pawl is coaxially connected to the linkage shaft, and the pawl is meshed with the ratchet wheel.

Through the technical scheme, the pawl is meshed with the ratchet wheel, so that the possibility of rotation of the first screw rod caused by external force is reduced, the possibility of backward movement of the first two sliding blocks is reduced, and the possibility of shaking of the frequency converter is reduced.

The present application may be further configured in a preferred example to: the transverse sliding groove is internally and rotatably provided with a worm, the linkage shaft is coaxially connected with a worm wheel, the worm and the worm wheel are matched with each other, the worm is coaxially connected with a third gear, a rack is fixedly connected to the fixing pin, and the third gear is meshed with the rack.

Through the technical scheme, when operating personnel need demolish the converter from this equipment, at first through rotating the worm, on the one hand, worm drive worm wheel rotates, the worm wheel passes through universal driving shaft drive pawl and ratchet separation, on the other hand, the worm drives three rotations of gear, three gear pass through rack drive fixed pin and remove to the one side of keeping away from the drive shaft, thereby remove the limiting displacement of fixed pin to the drive shaft, the drive shaft slides down under the action of gravity, make bevel gear one and two intermeshing of bevel gear, rotate the drive shaft at last, can drive lead screw one and rotate, make two sliders remove the fixed with the converter dorsad, thereby can demolish the converter from this equipment.

The present application may be further configured in a preferred example to: the first sliding block is provided with a protection plate, and a connecting rod is arranged between the protection plate and the first sliding block.

Through above-mentioned technical scheme, install the converter on the layer board, under the limiting displacement of guard plate, reduced the possibility that the converter breaks away from the layer board to the possibility of converter damage that falls has been reduced.

The present application may be further configured in a preferred example to: the connecting rod includes telescopic link and loop bar, the one end fixed connection of loop bar is in slider one, and the slip chamber has been seted up to the lateral wall of the other end, the one end slidable mounting of telescopic link is in the slip intracavity, other end fixed connection in the guard plate.

Through above-mentioned technical scheme, because telescopic link slidable mounting is in the loop bar, operating personnel can adjust the effective length of connecting rod according to the thickness of converter for the guard plate laminating in the converter, so that the guard plate protects not unidimensional converter, thereby has promoted the application scope of this equipment.

The present application may be further configured in a preferred example to: and a third lead screw is rotatably arranged in the sliding cavity and is in threaded connection with the telescopic rod.

Through the technical scheme, when the effective length of the connecting rod needs to be adjusted by an operator, the three lead screws drive the telescopic rods to slide in the sliding cavities by rotating the three lead screws, so that the effective length of the connecting rod can be adjusted.

The present application may be further configured in a preferred example to: a driving cavity is formed in the first sliding block, an adjusting shaft is installed in the driving cavity in a rotating mode, a gear four is coaxially connected to the adjusting shaft, a gear five is coaxially connected to the lead screw three, and the gear four and the gear five are meshed with each other.

Through the technical scheme, when the effective length of the connecting rod needs to be adjusted by an operator, the adjusting shaft is rotated to drive the gear to rotate four times, the gear drives the gear to rotate five times, the gear drives the screw to rotate three times, and the screw drives the telescopic rod to slide in the sliding cavity, so that the effective length of the connecting rod can be adjusted.

To sum up, the application comprises the following beneficial technical effects:

1. an operator can install the frequency converter on the equipment only by operating the driving shaft, so that the operation steps of installing the frequency converter are simplified;

2. the frequency converter reduces the possibility that the frequency converter is separated from the supporting plate under the limiting action of the protective plate, so that the possibility of falling and damage of the frequency converter is reduced;

3. operating personnel can be through rotating the regulating spindle, and the drive telescopic link slides at the slip intracavity, can adjust the effective length of connecting rod like this for the guard plate laminating is in the converter, so that the guard plate protects not unidimensional converter, thereby has promoted the application scope of this equipment.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application, mainly illustrating the construction of a cross beam and a vertical beam.

FIG. 2 is a partial schematic structural view of an embodiment of the present application, mainly illustrating the configurations of the linkage shaft, the fixing pin, the pawl and the ratchet wheel.

Fig. 3 is a schematic sectional view taken along the direction a-a in fig. 2, and mainly illustrates the configurations of the drive shaft, the insert block, and the second lead screw.

Fig. 4 is a schematic sectional view taken along the direction B-B in fig. 1, mainly illustrating the configurations of the connecting rod, the lead screw iii, and the adjusting shaft.

Description of reference numerals:

1. a cross beam; 11. a horizontal chute; 12. a first lead screw; 121. a second gear; 122. a ratchet wheel; 13. a first sliding block; 131. a drive chamber; 14. a rotating shaft; 141. a first gear; 142. a first bevel gear; 15. a first sliding hole; 16. a fixing pin; 161. a second driving inclined plane; 162. a rack; 163. a guide shaft; 17. a linkage shaft; 171. a pawl; 172. a worm gear; 18. a worm; 181. a third gear; 19. mounting a plate; 2. erecting a beam; 21. a vertical chute; 22. a second screw rod; 221. a second sliding hole; 222. a rotation chamber; 223. inserting slots; 23. a second sliding block; 231. a support plate; 3. a drive shaft; 31. a second bevel gear; 32. inserting a block; 33. fixing grooves; 34. driving the first inclined plane; 4. a drive device; 41. a spring; 42. a baffle plate; 5. a protection plate; 6. a connecting rod; 61. a telescopic rod; 62. a loop bar; 621. a sliding cavity; 622. a third screw rod; 6221. a fifth gear; 7. an adjustment shaft; 71. and gear four.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an adjustable installation device for a frequency converter. Referring to fig. 1, 2 and 3, an adjustable mounting device for a frequency converter comprises a cross beam 1 and a vertical beam 2 fixedly connected to the cross beam 1, wherein a transverse sliding groove 11 is formed in the cross beam 1 along the length direction of the cross beam 1, a first lead screw 12 is rotatably mounted in the transverse sliding groove 11, the length direction of the first lead screw 12 is consistent with the length direction of the transverse sliding groove 11, two threaded sections with opposite rotation directions are arranged on the first lead screw 12, two first sliding blocks 13 are in threaded connection with the first lead screw 12, the two first sliding blocks 13 are respectively positioned on the two threaded sections with opposite rotation directions, a protection plate 5 is mounted on each first sliding block 13, a connecting rod 6 is mounted between the protection plate 5 and the first sliding block 13, a vertical sliding groove 21 is vertically formed in the vertical beam 2, and a second lead screw 22 is rotatably mounted in the vertical sliding groove 21, and the second lead screw 22 is vertically arranged, the second lead screw 22 is in threaded connection with a second sliding block 23, and the second sliding block 23 is fixedly connected with a supporting plate 231 for placing a frequency converter.

The rotating shaft 14 is rotatably mounted in the transverse sliding groove 11, the length direction of the rotating shaft 14 is consistent with that of the first screw rod 12, the first gear 141 and the first bevel gear 142 are coaxially connected to the rotating shaft 14, the second gear 121 is coaxially connected to the first screw rod 12, the second gear 121 is meshed with the first gear 141, a first sliding hole 15 is vertically formed in the top of the cross beam 1, the first sliding hole 15 is communicated with the transverse sliding groove 11, a driving shaft 3 is vertically and slidably mounted in the sliding hole along the vertical direction, a second bevel gear 31 is coaxially connected to the driving shaft 3, the first bevel gear 142 is meshed with the second bevel gear 31, a second sliding hole 221 is vertically formed in the second screw rod 22, a cylindrical rotating cavity 222 is formed in the inner wall of the second sliding hole 221, an inserting block 32 is fixedly connected to the bottom of the driving shaft 3, the inserting block 32 is rotatably mounted in the rotating cavity 222, and an inserting groove 223 for inserting the inserting block 32 is formed in the inner wall of the top of the rotating cavity 222.

When an operator needs to install the frequency converter on the device, the frequency converter is firstly placed on the supporting plate 231, then the driving shaft 3 is rotated, the driving shaft 3 drives the bevel gear II 31 to rotate, the bevel gear II 31 drives the bevel gear I142 to rotate, the bevel gear I142 drives the rotating shaft 14 and the gear I141 to rotate, the gear I141 drives the gear II 121 to rotate, the gear II 121 drives the lead screw I12 to rotate, the lead screw I12 drives the two slide blocks I13 to slide, so that the distance between the two slide blocks I13 is equal to the width of the frequency converter, then the driving shaft 3 is pulled upwards and rotated, on one hand, the meshing state of the bevel gear I142 and the bevel gear II 31 is released, on the other hand, the inserting block 32 is inserted into the inserting groove 223, the driving shaft 3 is rotated again, the driving shaft 3 drives the lead screw II 22 to rotate, the lead screw II 22 drives the slide blocks II 23 to slide upwards, and the slide blocks drive the supporting plate 231 and the frequency converter to move upwards, the frequency converter is positioned between the two first sliding blocks 13, so that the frequency converter can be installed on the equipment only by controlling the driving shaft 3, and the operation step of installing the frequency converter is simplified.

Referring to fig. 2 and 3, an annular fixing groove 33 is formed in the driving shaft 3, the axis of the fixing groove 33 is collinear with the axis of the driving shaft 3, a fixing pin 16 is slidably mounted on the top inner wall of the transverse sliding groove 11 along the length direction of the cross beam 1, a driving device 4 for matching the fixing pin 16 to be automatically inserted into the fixing groove 33 is arranged in the transverse sliding groove 11, the fixing device includes a spring 41 and a baffle plate 42, the baffle plate 42 is fixedly connected to the top inner wall of the transverse sliding groove 11, a guide shaft 163 is slidably mounted on the baffle plate 42, one end of the guide shaft 163 is fixedly connected to the fixing pin 16, the other end of the guide shaft 163 is slidably mounted on the baffle plate 42, the spring 41 is sleeved on the guide shaft 163, one end of the spring 41 is fixedly connected to the fixing pin 16, the other end of the spring is fixedly connected to the baffle plate 42, a first driving inclined plane 34 is arranged on the driving shaft 3, the first driving inclined plane 34 is located above the fixing groove 33, and a second driving inclined plane 161 is arranged at one end of the fixing pin 16, which is close to the driving shaft 3, the first driving inclined surface 34 and the second driving inclined surface 161 are matched with each other, namely the first driving inclined surface 34 and the second driving inclined surface 161 are inclined in opposite directions and can be attached to each other.

In the process that an operator pulls the driving shaft 3 upwards, after the first driving inclined surface 34 is contacted with the second driving inclined surface 161, the fixing pin 16 slides to the side far away from the driving shaft 3 under the thrust action of the driving shaft 3, at the moment, the spring 41 is in a compressed state, and when the fixing pin 16 is opposite to the fixing groove 33, the fixing pin 16 slides to the side close to the driving shaft 3 and is inserted into the fixing groove 33 under the elastic force action of the spring 41, so that the limiting of the fixing pin 16 on the driving shaft 3 is completed, the inserting block 32 can be inserted into the inserting groove 223 without providing upward force to the driving shaft 3 when the operator rotates the driving shaft 3, and the operation steps are further simplified.

Referring to fig. 1 and 2, a ratchet wheel 122 is coaxially connected to the first lead screw 12, a mounting plate 19 is fixedly connected to the inside of the transverse sliding groove 11, a linkage shaft 17 is rotatably mounted on the mounting plate 19, a pawl 171 is coaxially connected to the linkage shaft 17, the pawl 171 is meshed with the ratchet wheel 122, a worm wheel 172 is coaxially connected to the linkage shaft 17, a worm 18 is rotatably mounted in the transverse sliding groove 11, the worm 18 and the worm wheel 172 are matched with each other, a third gear 181 is coaxially connected to the worm 18, a rack 162 is fixedly connected to the fixing pin 16, and the third gear 181 and the rack 162 are meshed with each other.

Due to the fact that the pawl 171 is meshed with the ratchet wheel 122, the possibility that the screw rod I12 rotates caused by external force is reduced, the possibility that the two sliding blocks I13 move backwards is reduced, and the possibility that the frequency converter shakes is reduced.

When an operator needs to detach the frequency converter from the device, firstly, the worm 18 is rotated, on one hand, the worm 18 drives the worm wheel 172 to rotate, the worm wheel 172 drives the pawl 171 and the ratchet wheel 122 to be separated through the linkage shaft 17, on the other hand, the worm 18 drives the third gear 181 to rotate, the third gear 181 drives the fixing pin 16 to move towards one side far away from the driving shaft 3 through the rack 162, so that the limiting effect of the fixing pin 16 on the driving shaft 3 is relieved, the driving shaft 3 slides downwards under the action of gravity, the first bevel gear 142 and the second bevel gear 31 are meshed with each other, and finally, the driving shaft 3 is rotated, so that the first lead screw 12 can be driven to rotate, the two sliding blocks move backwards to fix the frequency converter, and the frequency converter can be detached from the device.

Referring to fig. 1 and 4, connecting rod 6 includes telescopic link 61 and loop bar 62, the one end fixed connection of loop bar 62 has been seted up in slider 13, slip chamber 621 has been seted up to the lateral wall of the other end, the one end slidable mounting of telescopic link 61 is in slip chamber 621, other end fixed connection is in guard plate 5, lead screw three 622 is installed to the internal rotation of slip chamber 621, drive chamber 131 has been seted up in slider 13, the one end threaded connection of lead screw three 622 in telescopic link 61, the other end stretches into in drive chamber 131, coaxial connection has five 6221 of gear on the lead screw three 622, regulating shaft 7 is installed to the internal rotation of drive chamber 131, the one end coaxial coupling of regulating shaft 7 has four 71 of gear, four 71 of gear and five 6221 intermeshing of gear, the other end stretches out the slider setting.

When operating personnel need adjust the effective length of connecting rod 6 according to the thickness of converter, through rotating regulating spindle 7, regulating spindle 7 drives gear four 71 and rotates, gear four 71 drive five 6221 rotates, gear five 6221 drives lead screw three 622 and rotates, lead screw three 622 drive telescopic link 61 slides in sliding cavity 621, thereby can adjust the effective length of connecting rod 6, make guard plate 5 laminate in the converter, so that guard plate 5 protects not unidimensional converter, thereby the application scope of this equipment has been promoted.

The implementation principle of the embodiment is as follows: when an operator needs to install the frequency converter on the device, the frequency converter is firstly placed on the supporting plate 231, then the driving shaft 3 is rotated, the driving shaft 3 drives the bevel gear II 31 to rotate, the bevel gear II 31 drives the bevel gear I142 to rotate, the bevel gear I142 drives the rotating shaft 14 and the gear I141 to rotate, the gear I141 drives the gear II 121 to rotate, the gear II 121 drives the screw rod I12 to rotate, the screw rod I12 drives the two slide blocks I13 to slide, the distance between the two slide blocks I13 is equal to the width of the frequency converter, then the driving shaft 3 is pulled upwards and rotated, on one hand, the meshing state of the bevel gear I142 and the bevel gear II 31 is released, on the other hand, the inserting block 32 is inserted into the inserting groove 223, the driving shaft 3 is rotated again, the driving shaft 3 drives the screw rod II 22 to rotate, the screw rod II 22 drives the slide blocks II 23 to slide upwards, and the slide blocks drive the supporting plate 231 and the frequency converter to move upwards, the frequency converter is positioned between the two first sliding blocks 13, so that the frequency converter can be installed on the equipment only by controlling the driving shaft 3 after the installation of the frequency converter is finished, and the operation steps for installing the frequency converter are simplified.

The embodiments of the present embodiment are all preferred embodiments of the present application, and do not sequentially limit the protection scope of the present application, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an adjustable erection equipment is used to converter, includes crossbeam (1) and found roof beam (2), found roof beam (2) fixed connection in crossbeam (1), horizontal spout (11) have been seted up in crossbeam (1), lead screw (12) are installed to horizontal spout (11) internal rotation, threaded connection has two slider (13) on lead screw (12), erect roof beam (2) and seted up perpendicular spout (21), lead screw two (22) are installed to perpendicular spout (21) internal rotation, threaded connection has slider two (23) on lead screw two (22), fixedly connected with layer board (231), its characterized in that are gone up in slider two (23): a rotating shaft (14) is rotatably mounted in the transverse sliding groove (11), a first gear (141) and a first bevel gear (142) are coaxially connected to the rotating shaft (14), a second gear (121) is coaxially connected to the first lead screw (12), the second gear (121) and the first gear (141) are meshed with each other, a first sliding hole (15) is formed in the cross beam (1), the first sliding hole (15) is communicated with the transverse sliding groove (11), a driving shaft (3) is slidably mounted in the sliding hole, a second bevel gear (31) is coaxially connected to the driving shaft (3), the first bevel gear (142) and the second bevel gear (31) are meshed with each other, a second sliding hole (221) is formed in the second lead screw (22), a rotating cavity (222) is formed in the inner wall of the second sliding hole (221), an insert block (32) is fixedly connected to the driving shaft (3), and the insert block (32) is rotatably mounted in the rotating cavity (222), the inner wall of the top of the rotating cavity (222) is provided with a slot (223) for the insertion of the insertion block (32).

2. An adjustable mounting apparatus for a frequency converter according to claim 1, wherein: the driving shaft (3) is provided with a fixing groove (33), the transverse sliding groove (11) is internally provided with a fixing pin (16) in a sliding manner, and the transverse sliding groove (11) is internally provided with a driving device (4) which is used for matching the fixing pin (16) to be automatically inserted into the fixing groove (33).

3. An adjustable mounting apparatus for a frequency converter according to claim 2, wherein: drive arrangement (4) are including spring (41) and baffle (42), baffle (42) fixed connection is in the inner wall of horizontal spout (11), the one end fixed connection of spring (41) is in fixed pin (16), other end fixed connection in baffle (42), be provided with drive inclined plane one (34) on drive shaft (3), the one end that is close to drive shaft (3) on fixed pin (16) is provided with drive inclined plane two (161), drive inclined plane one (34) and drive inclined plane two (161) match each other.

4. An adjustable mounting apparatus for a frequency converter according to claim 3, wherein: the lead screw I (12) is coaxially connected with a ratchet wheel (122), the transverse sliding groove (11) is rotatably provided with a linkage shaft (17), the linkage shaft (17) is coaxially connected with a pawl (171), and the pawl (171) is meshed with the ratchet wheel (122).

5. An adjustable mounting apparatus for a frequency converter according to claim 4, wherein: horizontal spout (11) internal rotation is installed worm (18), coaxial coupling has worm wheel (172) on universal driving shaft (17), worm (18) and worm wheel (172) cooperate each other, coaxial coupling has gear three (181) on worm (18), fixedly connected with rack (162) on fixed pin (16), gear three (181) and rack (162) intermeshing.

6. An adjustable mounting apparatus for a frequency converter according to claim 1, wherein: install guard plate (5) on slider (13), install connecting rod (6) between guard plate (5) and slider (13).

7. An adjustable mounting device for a frequency converter according to claim 6, characterized in that: connecting rod (6) include telescopic link (61) and loop bar (62), the one end fixed connection of loop bar (62) has been seted up in slider (13) one (13), the lateral wall of the other end slip chamber (621), the one end slidable mounting of telescopic link (61) is in slip chamber (621), other end fixed connection in guard plate (5).

8. An adjustable mounting apparatus for a frequency converter according to claim 7, wherein: a third lead screw (622) is rotatably installed in the sliding cavity (621), and the third lead screw (622) is in threaded connection with the telescopic rod (61).

9. An adjustable mounting device for a frequency converter according to claim 8, characterized in that: drive chamber (131) have been seted up in slider (13), adjusting shaft (7) are installed to drive chamber (131) internal rotation, coaxial coupling has gear four (71) on adjusting shaft (7), coaxial coupling has gear five (6221) on lead screw three (622), gear four (71) and gear five (6221) intermeshing.