CN115514141A - Explosion-proof motor convenient to dismouting - Google Patents

Abstract

The invention discloses an explosion-proof motor convenient to disassemble and assemble, which relates to the technical field of motors and comprises an explosion-proof motor main body, wherein a motor shell is arranged on the outer side of the explosion-proof motor main body, an installation seat is arranged on the explosion-proof motor main body, the installation seat is connected with a shell bracket through a spring, and a driving installation device and a clamping device are arranged on the shell bracket. The driving installation device provided by the invention can synchronously fix or dismantle all the bolts, thereby realizing the convenience of disassembling and assembling the motor; the poking rod and the limiting rack are matched with the two ratchet wheels, so that the poking rod and the limiting rack can only rotate towards one direction each time, and errors in the operation process are prevented; the clamping device can be clamped or loosened along with the fixation or the detachment of the motor.

Description

Explosion-proof motor convenient to dismouting

Technical Field

The invention relates to the technical field of motors, in particular to an explosion-proof motor convenient to disassemble and assemble.

Background

The explosion-proof motor is a motor which can be used in flammable and explosive places, and does not generate electric sparks during operation. The explosion-proof motor is mainly used in coal mine, petroleum and natural gas, petrochemical industry and chemical industry. The work of the explosion-proof motor needs to be kept stable, and vibration is reduced. Most of the existing explosion-proof motors are fixed by bolts, and are screwed down by manpower or electric drills one by one, which consumes much time and energy. The motor is fixed to some structures that adopt the buckle, but to explosion proof machine's use scene, buckle structure is unstable, and is not hard up easily. And the buckle also needs the manual work to open, and hard, and takes place deformation easily. And the motor needs often to change the place of use, and dismouting is repeated and waste time, consequently, needs an explosion-proof motor convenient to dismouting.

Chinese patent publication No. CN109713825A discloses a motor fixing device and a dismounting method which are quickly dismounted, and the technical scheme of the invention is as follows: the device comprises a motor, an output end component, an L-shaped positioning support used for fixing the motor and a fixed base; the output end assembly comprises a main shaft gear, a driven shaft gear and an output shaft, the main shaft gear is arranged at the shaft end of the motor, the main shaft gear is meshed with the driven shaft gear, and one end of the output shaft is connected with the driven shaft gear; the fixed base comprises a bottom plate, a first baffle and a second baffle, wherein the first baffle and the second baffle are arranged on the front side and the rear side of the bottom plate respectively and are used for positioning the L-shaped positioning support, and a horizontal compression bolt and a vertical compression bolt are arranged on the first baffle and are used for positioning the L-shaped positioning support. The device can realize the quick assembly disassembly of motor, but still need the manual work to fix the bolt one by one, can't realize the synchronous fixation of bolt to unable chucking.

Disclosure of Invention

Aiming at the technical problem, the invention provides an explosion-proof motor convenient to disassemble and assemble, which comprises an explosion-proof motor main body, wherein a motor shell is arranged on the outer side of the explosion-proof motor main body, an installation seat is arranged on the explosion-proof motor main body, the installation seat is connected with a shell bracket through a spring, and a driving installation device and a clamping device are arranged on the shell bracket; the driving and mounting device comprises a rocker with one end rotatably arranged on a shell support, a driving lever is also arranged on the same side of the shell support as the rocker in a sliding manner, a handle is arranged at the other end of the rocker, one end of the rocker rotatably arranged on the shell support is connected with a driving gear, the driving gear simultaneously drives two groups of driving assemblies, the two groups of driving assemblies are respectively and symmetrically arranged at two sides of the shell support, each group of driving assemblies drives a screwing assembly, the screwing assembly is arranged on the shell support, and each group of screwing assemblies is respectively matched with a bolt; the driving assembly comprises a driven gear matched with the driving gear, the driven gear is rotatably arranged on the shell support and is connected with a first ratchet wheel through a synchronous belt, the first ratchet wheel is arranged at one end of a driving rod, the first ratchet wheel is simultaneously connected with a second ratchet wheel, the directions of ratchets on the first ratchet wheel and the second ratchet wheel are opposite, the first ratchet wheel and the second ratchet wheel are matched with a limiting rack, the limiting rack is fixedly arranged at the end part of the driving rod, the driving rod is rotatably arranged on the shell support, a first bevel gear is arranged on the driving rod, and the first bevel gear is connected with the screwing assembly.

Further, each side driving component is connected with at least one set of screwing components.

Furthermore, the bolt is in threaded fit with threaded holes in the mounting seat, and the number and the positions of the threaded holes in the mounting seat correspond to those of the bolt.

Furthermore, it includes bevel gear two with bevel gear complex to revolve wrong subassembly, bevel gear two sets up the one end of revolving wrong pole, revolve wrong pole and rotate and install on shell support, revolve to revolve the pole other end and be provided with and revolve wrong the cap, revolve wrong cap downside be provided with bolt complex counter bore.

Further, revolve and twist the subassembly and include with bevel gear one complex bevel gear two, bevel gear two sets up the one end of revolving the screw rod, revolve to twist the screw rod and rotate and install on shell support, it is provided with to revolve wrong drive gear to revolve the screw rod lower extreme, revolve to revolve wrong drive gear and revolve wrong set up with revolve wrong drive gear shape the same counter bore cooperation of screwing the upside, revolve wrong and twist the activity of covering and set up the downside at shell support, revolve wrong covering and be provided with bolt complex counter bore.

Furthermore, the clamping devices are arranged in two groups and are symmetrical about the explosion-proof motor main body.

Further, every chucking device all includes two sets of chucking subassemblies, and is two sets of the chucking subassembly all is connected with an extension quarter butt, connects through the connecting rod between two extension quarter butts.

Furthermore, the clamping assembly comprises a clamping shell arranged on the shell support, a central rod is arranged in the clamping shell, the lower end of the central rod is provided with one end of a clamping rod in a rotating mode, the other end of the clamping rod is also connected with the central rod through a force storage spring, a through hole is formed in the bottom end of the clamping shell corresponding to the position of the clamping rod, a clamping block II is arranged on the lower side of the hole in the clamping shell, and a clamping block I is arranged in the clamping shell.

Compared with the prior art, the invention has the beneficial effects that: (1) The driving installation device provided by the invention can synchronously fix or dismantle all the bolts, thereby realizing the convenience of disassembling and assembling the motor; (2) The deflector rod and the limiting rack are matched with the two ratchet wheels, so that the deflector rod and the limiting rack can only rotate in one direction each time, and errors in the operation process are prevented; (3) The clamping device provided by the invention can be clamped or loosened along with the fixation or the removal of the motor.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

FIG. 3 is a schematic view of the de-skinning bracket of the present invention.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 5 is a third schematic view of the overall structure of the present invention.

Fig. 6 is an enlarged view of the structure at B in fig. 5.

Fig. 7 is a schematic view of a screw cap removal structure according to the present invention.

Fig. 8 is an enlarged view of the structure at C in fig. 7.

FIG. 9 is a schematic cross-sectional view of the present invention.

Fig. 10 isbase:Sub>A cross-sectional view taken atbase:Sub>A-base:Sub>A in fig. 9.

Fig. 11 is an enlarged view of the structure at D in fig. 10.

Reference numerals: 1-explosion-proof motor main body; 2-a motor housing; 3-a housing support; 4-mounting a base; 5-driving the mounting device; 6-a clamping device; 7-bolt; 8-a handle; 9-a rocker; 10-a deflector rod; 11-a drive gear; 12-a driven gear; 13-synchronous belt; 14-a limit rack; 15-ratchet wheel one; 16-a second ratchet wheel; 17-a drive rod; 18-bevel gear one; 19-bevel gear two; 20-a screw-on rod; 21-screwing cap; 22-a screw drive gear; 23-a clamping housing; 24-a stub bar; 25-a connecting rod; 26-a spring; 27-a central rod; 28-a clamping rod; 29-power storage spring; 30-a first fixture block; 31-fixture block two.

Detailed Description

In the following description of the present invention, it is to be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention will be further described with reference to the drawings and illustrative embodiments, which are provided herein to illustrate and not to limit the invention. Wherein like reference numerals refer to like parts throughout. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.

Example (b): referring to fig. 1-11, an explosion-proof motor convenient to disassemble and assemble is shown, wherein a motor housing 2 is fixedly arranged on the outer side of an explosion-proof motor main body 1, mounting seats 4 are fixedly arranged on two sides of the bottom of the explosion-proof motor main body 1, a housing support 3 is arranged on each mounting seat 4 through springs 26, each housing support 3 is of a three-surface surrounding structure, each housing support 3 is vacant at one end of an output shaft of the explosion-proof motor main body 1, four springs 26 are arranged on the mounting seats 4 on each side, a driving and mounting device 5 is arranged on the other side, corresponding to the output shaft of the explosion-proof motor main body 1, of each housing support 3, and clamping devices 6 are further arranged on two sides of each housing support 3.

Referring to fig. 1 to 8, a driving and mounting device 5 is shown, wherein a housing bracket 3 is rotatably provided with one end of a rocker 9 at a middle position on the other side corresponding to an output shaft of an explosion-proof motor main body 1, a deflector rod 10 is further slidably provided on the same side of the housing bracket 3, the other end of the rocker 9 is fixedly provided with a handle 8, the rocker 9 is rotatably provided with one end on the housing bracket 3 and is also fixedly connected with a driving gear 11, the driving gear 11 simultaneously drives two sets of driving components, the two sets of driving components are respectively and symmetrically provided on two sides of the housing bracket 3, each set of driving components drives one or more sets of screwing components, specifically, several sets of screwing components can be freely selected according to the number of bolts 7, the size of a motor body, the set position and the like, in this embodiment, three sets of screwing components are only used as an indication, each set of screwing component is respectively matched with one bolt 7, the bolt 7 is in threaded fit with a threaded hole on a mounting seat 4, and the number and the position of the threaded holes on the mounting seat 4 are all corresponding to the bolts 7.

Each group of driving assemblies comprises a driven gear 12, a synchronous belt 13, a limiting rack 14, a first ratchet wheel 15, a second ratchet wheel 16, a driving rod 17 and a first bevel gear 18, wherein the driven gear 12 is in gear fit with the driving gear 11, the driven gear 12 is rotatably arranged on the shell support 3, the driven gear 12 is connected with the first ratchet wheel 15 through the synchronous belt 13, the first ratchet wheel 15 is fixedly arranged at one end of the driving rod 17, the first ratchet wheel 15 is fixedly connected with the second ratchet wheel 16, the direction of the ratchet on the first ratchet wheel 15 is opposite to that of the ratchet on the second ratchet wheel 16, the first ratchet wheel 15 and the second ratchet wheel 16 are both matched with the limiting rack 14, the limiting rack 14 is fixedly arranged at the end of the shifting rod 10, the driving rod 17 is rotatably arranged on the shell support 3, three first bevel gear 18 are uniformly and fixedly arranged on the driving rod 17, and the first bevel gear 18 is in gear fit with a second bevel gear 19 of the screwing assembly.

Each group of screwing components comprises a second bevel gear 19, a screwing rod 20, a screwing cap 21 and a screwing driving gear 22, wherein the second bevel gear 19 is fixedly arranged at the upper end of the screwing rod 20, the screwing rod 20 is rotatably arranged on the shell support 3, the lower end of the screwing rod 20 is fixedly provided with the screwing driving gear 22, the screwing cap 21 is movably arranged at the lower side of the shell support 3, the upper surface of the screwing cap 21 is provided with a gear-shaped counter bore which has the same shape as the screwing driving gear 22, and the lower surface of the screwing cap 21 is provided with a hexagonal counter bore which is matched with the bolt 7.

In the embodiment, the counter bore with the same shape as the screwing driving gear 22 is formed in the upper surface of the screwing cap 21, so that the screwing cap 21 is detachable, the counter bore shape of the lower surface of the screwing cap 21 can be changed to adapt to different bolts, and if the counter bore shape of the lower surface is not changed, the upper surface of the screwing cap 21 can be directly and fixedly connected with the lower end of the screwing rod 20.

Referring to fig. 1, 7, and 9-11, each of the chucking devices 6 includes two sets of chucking assemblies, the two sets of chucking assemblies are connected to each other by a short extension rod 24 and a connection rod 25, each set of chucking assemblies includes a chucking housing 23, a central rod 27, a chucking rod 28, a force accumulation spring 29, a first clamping block 30 and a second clamping block 31, wherein the chucking housing 23 is in a straight cylinder shape, the chucking housing 23 passes through the housing bracket 3 and is fixedly disposed on the housing bracket 3, the central rod 27 is disposed inside the chucking housing 23, two sides of the lower end of the central rod 27 are rotatably disposed with one end of one of the chucking rod 28, the other end of each of the chucking rods 28 is connected to the central rod 27 by a force accumulation spring 29, through holes are disposed at positions corresponding to the positions of the bottom end of the chucking housing 23 and the clamping rod 28, the second clamping block 31 is fixedly disposed at the lower side of the hole at the bottom end of the chucking housing 23, the upper side of two positions of the inside of the chucking housing 23 where the force accumulation spring 29 is connected to the central rod 27 is fixedly disposed with the first clamping rod 30, the top end of the central rod 27 is rotatably connected to one of the short extension rod 24, the two ends of the two sets of the two extension rods 24 are connected to the short extension rod 25, and the two short extension rod 25.

The parts involved in this embodiment can be made of insulating materials.

In the implementation of this embodiment, the motor needs to be integrally placed or fixed at a position to be installed by other means, the installation position should be provided with threaded holes with the same number as the bolts 7, and the threads are the same and the position is the same, then the handle 8 rotates the rocker 9, the rocker 9 drives the driving gear 11 to rotate, the driving gear 11 is matched with the driven gears 12 at both sides and drives the driven gears 12 at both sides to rotate, the driven gears 12 drive the first ratchet 15 and the second ratchet 16 to rotate through the transmission of the synchronous belt 13, since the ratchets on the first ratchet 15 and the second ratchet 16 are opposite and the first ratchet 15 and the second ratchet 16 are respectively matched with the limit racks 14, the shift lever 10 can be pushed to adjust the positions of the limit racks 14 at both ends so as to be matched with the first ratchet 15 or the second ratchet 16, in order to enable the first ratchet 15 or the second ratchet 16 to simultaneously only drive the driving rods 17 at both sides to rotate in the same direction, the driving rod 17 drives a bevel gear II 19 to rotate through a bevel gear I18 on the driving rod, the bevel gear II 19 drives a screwing rod 20 to rotate, the screwing rod 20 drives a screwing driving gear 22 to rotate, the screwing driving gear 22 is matched with a counter bore on the upper side of the screwing cap 21 while rotating, the screwing cap 21 is driven to rotate, a hexagonal hole on the lower side is matched with the bolt 7 while the screwing cap 21 rotates, the bolt 7 is driven to rotate downwards, the shell support 3 is driven to descend integrally when the bolt 7 descends, the shell support 3 descends while driving the clamping shell 23 and a central rod 27 in the clamping shell 23 to descend, the two clamping rods 28 on the lower side are in an unfolded state when the central rod 27 descends, clamping grooves are arranged at positions where the motor needs to be installed and correspond to the central rod 27, and the inlet length of the clamping grooves is smaller than the unfolded length of the two clamping rods 28, the inside size of the clamping groove can enable the two clamping rods 28 to be unfolded, the two descending clamping rods 28 can be contracted through the force storage spring 29 when touching the inlet of the clamping groove, the two clamping rods 28 are unfolded and clamped in the clamping groove through the force storage spring 29 after completely penetrating through the inlet of the clamping groove, at the moment, the bolt 7 is completely screwed into a threaded hole in the mounting position, the mounting is completed, only the poking rod 10 needs to be poked when the motor is required to be dismounted, the rocker 9 is reversely rotated through the handle 8, the clamping shell 23 ascends firstly during the dismounting, the clamping shell 23 is driven to contract through the two clamping blocks 31, in the ascending process of the clamping shell 23, the extending short rod 24 is firstly driven to be changed from the horizontal direction to the vertical direction and enter the clamping shell 23, the clamping shell 23 continuously ascends, after the extending short rod 24 completely enters the clamping shell 23, the clamping shell 23 is contacted with the connecting rod 25, at the moment, the clamping shell 23 continuously ascends, at the clamping rod 28 is completely contracted into the clamping shell 23, the clamping groove 23 pushes the connecting rod 25 and drives the central rod 27 to synchronously ascend through the extending short rod 24, the clamping shell 27 completely leaves, and the dismounting is completed.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the appended claims.

Claims (8)

1. The utility model provides an explosion-proof machine convenient to dismouting, includes explosion-proof machine main part (1), explosion-proof machine main part (1) outside is provided with motor housing (2), on be provided with mount pad (4), mount pad (4) are connected its characterized in that through spring (26) and shell support (3): the shell bracket (3) is provided with a driving installation device (5) and a clamping device (6);

the driving and mounting device (5) comprises a rocker (9) with one end rotatably arranged on the shell support (3), a driving lever (10) is further arranged on the same side of the shell support (3) and the rocker (9) in a sliding mode, a handle (8) is arranged at the other end of the rocker (9), one end of the rocker (9) rotatably arranged on the shell support (3) is connected with a driving gear (11), the driving gear (11) drives two groups of driving assemblies simultaneously, the two groups of driving assemblies are symmetrically arranged on two sides of the shell support (3) respectively, each group of driving assemblies drives a screwing assembly, the screwing assemblies are arranged on the shell support (3), and each group of screwing assemblies is matched with one bolt (7) respectively;

the driving assembly comprises a driven gear (12) matched with a driving gear (11), the driven gear (12) is rotatably arranged on a shell support (3), the driven gear (12) is connected with a first ratchet wheel (15) through a synchronous belt (13), the first ratchet wheel (15) is arranged at one end of a driving rod (17), the first ratchet wheel (15) is simultaneously connected with a second ratchet wheel (16), the ratchet directions of the first ratchet wheel (15) and the second ratchet wheel (16) are opposite, the first ratchet wheel (15) and the second ratchet wheel (16) are matched with a limiting rack (14), the limiting rack (14) is fixedly arranged at the end of a shifting rod (10), the driving rod (17) is rotatably arranged on the shell support (3), a first bevel gear (18) is arranged on the driving rod (17), and the first bevel gear (18) is connected with a screwing assembly.

2. The explosion-proof motor convenient to disassemble and assemble according to claim 1, characterized in that: each side driving component is connected with at least one group of screwing components.

3. The explosion-proof motor convenient to disassemble and assemble according to claim 2, characterized in that: the bolt (7) is in threaded fit with threaded holes in the mounting seat (4), and the number and the positions of the threaded holes in the mounting seat (4) correspond to those of the bolt (7).

4. The explosion-proof motor convenient to disassemble and assemble according to claim 2, characterized in that: the screwing assembly comprises a second bevel gear (19) matched with the first bevel gear (18), the second bevel gear (19) is arranged at one end of the screwing rod (20), the screwing rod (20) is rotatably installed on the shell support (3), the other end of the screwing rod (20) is provided with a screwing cap (21), and a counter bore matched with the bolt (7) is formed in the lower side of the screwing cap (21).

5. The explosion-proof motor convenient to disassemble and assemble according to claim 2, characterized in that: revolve and twist the subassembly and include with bevel gear one (18) complex bevel gear two (19), bevel gear two (19) set up the one end of revolving wrong pole (20), revolve wrong pole (20) and rotate and install on shell support (3), it is provided with to revolve wrong drive gear (22) to revolve wrong pole (20) lower extreme, revolve wrong drive gear (22) and revolve wrong the setting of cap (21) upside with revolve the counter bore cooperation that revolves the same of wrong drive gear (22) shape, revolve the downside that the activity of screwing cap (21) set up at shell support (3), revolve to revolve cap (21) downside and be provided with the counter bore with bolt (7) complex.

6. The explosion-proof motor convenient to disassemble and assemble according to claim 1, characterized in that: the clamping devices (6) are arranged in two groups and are symmetrical about the explosion-proof motor main body (1).

7. The explosion-proof motor convenient to disassemble and assemble according to claim 6, characterized in that: every chucking device (6) all include two sets of chucking subassemblies, and are two sets of chucking subassembly all is connected with one extension quarter butt (24), connects through connecting rod (25) between two extension quarter butt (24).

8. The explosion-proof motor convenient to disassemble and assemble according to claim 7, characterized in that: the clamping assembly comprises a clamping shell (23) arranged on a shell support (3), a central rod (27) is arranged in the clamping shell (23), one end of a clamping rod (28) is arranged at the lower end of the central rod (27) in a rotating mode, the other end of the clamping rod (28) is connected with the central rod (27) through a force storage spring (29), a through hole is formed in the bottom end of the clamping shell (23) and corresponds to the position of the clamping rod (28), a clamping block II (31) is arranged on the lower side of the hole in the clamping shell (23), and a clamping block I (30) is arranged in the clamping shell (23).

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