阅读说明：本技术 一种带有应急减速装置的交流电机 (Alternating current motor with emergency speed reducer ) 是由 付辉华 于 2020-12-07 设计创作，主要内容包括：本发明涉及交流电机,具体为一种带有应急减速装置的交流电机。首先将机体电源关闭,将按块向右侧推动,按块推动连杆向右侧移动,连杆通过左侧移槽推动传动杆,传动杆以中心轴为中心转动,传动杆右侧移槽带动底柱移动,底柱带动第一滑块和底板移动,第一滑块沿第一滑槽向左侧移动,底板向下推动下推杆,下推杆通过底部的斜面将推板向内移动,推板推动推柱向内移动,推柱推动固定座向内侧移动,固定座推动摩擦片向内移动,摩擦片接触到减速片,并与减速片发生摩擦,使得减速片带动转动轴停止转动,使得交流电机能够紧急停止。(The invention relates to an alternating current motor, in particular to an alternating current motor with an emergency speed reducer. The machine body power supply is firstly turned off, the pressing block is pushed to the right side, the pressing block pushes the connecting rod to move to the right side, the connecting rod pushes the transmission rod through the left side shifting groove, the transmission rod rotates by taking the central shaft as a center, the right side shifting groove of the transmission rod drives the bottom column to move, the bottom column drives the first sliding block and the bottom plate to move, the first sliding block moves to the left side along the first sliding groove, the bottom plate pushes the lower push rod downwards, the lower push rod moves the push plate inwards through the inclined surface of the bottom, the push plate pushes the push column to move inwards, the push column pushes the fixing seat to move inwards, the fixing seat pushes the friction plate to move inwards, the friction plate is in contact with the speed reducing plate and rubs with the speed reducing plate.)

1. The utility model provides an alternating current motor with emergent decelerator, includes organism (1), its characterized in that: the machine body (1) is fixedly connected with a fixing ring (2) at the outer side in the middle, a cross rod (3) is fixedly connected with the top of the fixing ring (2), a homing cavity (4) is arranged in the cross rod (3), a homing spring (5) is arranged in the homing cavity (4), a moving plate (6) is fixedly connected with the left side of the homing spring (5), a connecting rod (7) penetrates through the moving plate (6), a pressing block (8) is fixedly connected with the left side of the connecting rod (7), a connecting rod fixing block (10) is fixed on the right side of the cross rod (3), a decelerating groove (21) is arranged at the bottom of the fixing block (10), a movable cavity (11) is arranged in the fixing block (10), a bottom plate (12) is arranged in the movable cavity (11), a first chute (22) is arranged in the upper end of the bottom plate (12), a first sliding block (23) is arranged, the upper end of the bottom column (13) is provided with a transmission rod (14), a central shaft (15) is arranged in the middle of the transmission rod (14), a lower push rod (16) is fixedly connected to the bottom of the bottom plate (12), the right side of the machine body (1) is provided with a rotating shaft (17), the outer side of the middle of the rotating shaft (17) is fixedly connected with a rotating block (18), the outer side of the rotating block (18) is fixedly connected with a speed reducing piece (19), and heat dissipation holes (20) are formed in the speed reducing.

2. An ac electric machine with emergency speed reduction according to claim 1, wherein: the right side of the homing spring (5) is fixedly connected with a cross rod (3), the left side of a connecting rod (7) penetrates through the cross rod (3) and extends to the outside, the right side of the connecting rod (7) penetrates through the cross rod (3) and extends to the inside of a movable cavity (11), and the right side of the connecting rod (7) is movably connected with a transmission rod (14).

3. An ac electric machine with emergency speed reduction according to claim 1, wherein: the bottom of the bottom plate (12) is provided with two lower push rods (16) in bilateral symmetry, the bottoms of the lower push rods (16) are arranged to be inclined planes, two moving grooves are arranged in the transmission rod (14) in bilateral symmetry, a connecting rod (7) is sleeved in the left moving groove, a bottom column (13) is sleeved in the right moving groove, and the outer side of the central shaft (15) is fixedly connected with a fixed block (10).

4. An ac electric machine with emergency speed reduction according to claim 1, wherein: the emergency speed reducing structure (9) is provided with two groups corresponding to the lower push rod (16), the emergency speed reducing structure (9) comprises a second sliding groove (91), a second sliding block (92), a push plate (93), a pushing spring (94), a push column (95), a fixed seat (96), a friction plate (97), a connecting block (98) and a replacing structure (99), the second sliding groove (91) is arranged at the bottom of the fixed block (10), the second sliding block (92) is arranged inside the second sliding groove (91), the upper end of the second sliding block (92) is fixedly connected with the push plate (93), the outer side of the upper end of the push plate (93) is tightly attached to the inclined plane tip of the bottom of the lower push rod (16), the inner side of the push plate (93) is fixedly connected with the pushing spring (94), the inner side of the pushing spring (94) is fixedly connected with the fixed block (10), the center of the inner, the inner side of the push column (95) penetrates through the fixing block (10) and extends into the speed reduction groove (21), the outer side of the push column (95) is fixedly connected with the fixing seat (96), the replacing structure (99) is arranged inside the fixing seat (96), the inner side of the fixing seat (96) is provided with the friction plate (97), the outer side of the friction plate (97) is provided with the connecting block (98), and the connecting block (98) is provided with a notch corresponding to the replacing structure (99).

5. An AC machine with emergency speed reduction according to claim 4, wherein: change structure (99) including changing chamber (991), change spring (992), change board (993), push rod (994), support piece (995), restriction piece (996), it is located inside fixing base (96) to change chamber (991), it is provided with inside change spring (992) to change chamber (991), it is provided with change board (993) to change spring (992) bilateral symmetry, change equal fixed connection restriction piece (996) in board (993) outside bottom, restriction piece (996) are located connecting block (98), change board (993) outside upper end fixed connection push rod (994), push rod (994) run through fixing base (96) and extend to the outside, push rod (994) outside fixed connection supports piece (995).

6. An AC machine with emergency speed reduction according to claim 4, wherein: the upper end of the speed reduction piece (19) is positioned in a speed reduction groove (21) at the bottom of the fixing block (10), the speed reduction piece (19) is arranged in a circular ring shape, and heat dissipation holes (20) are formed in the speed reduction piece (19) at equal intervals.

Technical Field

The invention relates to an alternating current motor, in particular to an alternating current motor with an emergency speed reducer.

Background

An ac motor is a machine for converting mechanical energy and ac power into each other. Due to the tremendous development of ac power systems, ac motors have become the most commonly used motors. Compared with the direct current motor, the alternating current motor has the advantages of simple structure, convenient manufacture, firmness and easy manufacture into a motor with high rotating speed, high voltage, large current and large capacity because of no commutator.

When the rotating shaft of the alternating current motor is involved in sundries, the rotating shaft can continue to rotate due to inertia even if the power supply is immediately disconnected, and cannot be immediately stopped, so that the internal structure of the alternating current motor is difficult to damage to a certain extent when the sundries are driven to rotate, the service life of the alternating current motor is shortened, and economic loss is caused.

To this end, the invention proposes an alternating current machine with an emergency reduction device to solve the above mentioned problems.

Disclosure of Invention

The present invention is directed to an ac motor with an emergency reduction gear to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an alternating current motor with an emergency speed reducer comprises a machine body, wherein a fixed ring is fixedly connected on the outer side in the middle of the machine body, the top of the fixed ring is fixedly connected with a cross rod, a homing cavity is arranged inside the cross rod, a homing spring is arranged inside the homing cavity, a moving plate is fixedly connected on the left side of the homing spring, a connecting rod penetrates through the inside of the moving plate, a pressing block is fixedly connected on the left side of the connecting rod, a fixed block of the connecting rod is fixed on the right side of the cross rod, a speed reducing groove is arranged at the bottom of the fixed block, a movable cavity is arranged inside the fixed block, a bottom plate is arranged inside the movable cavity, a first chute is arranged inside the upper end of the bottom plate, a first sliding block is arranged inside the first chute, a bottom column is fixedly connected at the upper end of the first sliding, the outer side of the rotating block is fixedly connected with a speed reducing sheet, and heat dissipation holes are formed in the speed reducing sheet.

Preferably, the right side of the homing spring is fixedly connected with a cross rod, the left side of the connecting rod penetrates through the cross rod and extends to the outside, the right side of the connecting rod penetrates through the cross rod and extends to the inside of the movable cavity, and the right side of the connecting rod is movably connected with a transmission rod.

Preferably, the bottom of the bottom plate is provided with two lower push rods in bilateral symmetry, the bottom of the lower push rods is provided with an inclined plane, two moving grooves are arranged in the transmission rod in bilateral symmetry, a connecting rod is sleeved in the left moving groove, a bottom column is sleeved in the right moving groove, and a fixing block is fixedly connected to the outer side of the central shaft.

Preferably, the emergency speed reducing structure is provided with two groups corresponding to the lower push rod, the emergency speed reducing structure comprises a second sliding chute, a second sliding block, a push plate, a push spring and a push column, the fixing base, the friction disc, the connecting block, change the structure, the second spout be with the fixed block bottom, the inside second slider that is provided with of second spout, second slider upper end fixed connection push pedal, push pedal upper end outside is hugged closely down push rod bottom inclined plane pointed end, the inboard fixed connection of push pedal promotes the spring, promote the inboard fixed connection fixed block of spring, the inboard center fixed connection ejector pin of push pedal, the promotion spring is cup jointed in the ejector pin outside, the ejector pin inboard runs through the fixed block and extends to the deceleration tank, ejector pin outside fixed connection fixing base, the inside change structure that is provided with of fixing base, the fixing base inboard is provided with the friction disc, the friction disc outside is provided with the connecting block.

Preferably, change the structure including changing the chamber, changing the spring, changing board, push rod, supporting the piece, limiting block, change the chamber and be located the fixing base inside, change intracavity portion and be provided with the change spring, change the spring bilateral symmetry and be provided with the change board, change the equal fixed connection limiting block in board outside bottom, limiting block is located the connecting block, changes board outside upper end fixed connection push rod, the push rod runs through the fixing base and extends to the outside, push rod outside fixed connection supports the piece.

Preferably, the upper end of the speed reduction piece is positioned in a speed reduction groove at the bottom of the fixing block, the speed reduction piece is annular, and heat dissipation holes are formed in the speed reduction piece at equal intervals.

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

1. when the alternating current motor needs to be stopped emergently in case of emergency, firstly, a power supply of a machine body is turned off, a pressing block is pushed to the right side, the pressing block pushes a connecting rod to move to the right side, the connecting rod pushes a transmission rod through a left side moving groove, the transmission rod rotates by taking a central shaft as a center, the right side moving groove of the transmission rod drives a bottom column to move, the bottom column drives a first sliding block and a bottom plate to move, the first sliding block moves to the left side along a first sliding groove, the bottom plate pushes a lower push rod downwards, the lower push rod pushes a push plate to move inwards through an inclined surface at the bottom, the push plate pushes a push column to move inwards, the push column pushes a fixed seat to move inwards, the fixed seat pushes a friction plate to move inwards, the friction plate is contacted with a speed reducing plate and rubs with the speed reducing plate, so that the, after the power supply is cut off by avoiding sundries from being drawn into the rotating shaft of the alternating current motor, the rotating shaft continues to rotate due to inertia, so that the alternating current motor is damaged, the economic loss is reduced, and the service life of the alternating current motor is prolonged.

2. When the friction plate needs to be replaced, the abutting block in the replacement structure is pushed inwards, the abutting block pushes the push rod, the push rod pushes the replacement plate, the replacement plate drives the limiting block, the limiting block is separated from the notch in the connecting block, the friction plate can be taken down, a new friction plate is placed in the fixed seat again, the abutting block is released, the replacement spring pushes the replacement plate outwards, the replacement side pushes the limiting block to enter the notch in the connecting block, and replacement is completed.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a half sectional view of the present invention;

FIG. 3 is a schematic view of a fixing block according to the present invention;

FIG. 4 is a schematic view of an alternative structure of the present invention;

fig. 5 is a schematic structural view of the speed reduction piece of the present invention.

In the figure: the device comprises a machine body 1, a fixing ring 2, a cross rod 3, a homing cavity 4, a homing spring 5, a moving plate 6, a connecting rod 7, a pressing block 8, an emergency speed reducing structure 9, a fixing block 10, a movable cavity 11, a bottom plate 12, a bottom column 13, a transmission rod 14, a central shaft 15, a lower push rod 16, a rotating shaft 17, a rotating block 18, a speed reducing sheet 19, a heat radiating hole 20, a speed reducing groove 21, a first sliding groove 22, a first sliding block 23, a second sliding groove 91, a second sliding block 92, a push plate 93, a pushing spring 94, a push column 95, a fixing seat 96, a friction plate 97, a connecting block 98, a replacing structure 99, a replacing cavity 991, a replacing spring 992, a replacing plate 993, a push rod 994, a resisting block 995.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: an alternating current motor with an emergency speed reducer comprises a machine body 1, a fixed ring 2 is fixedly connected to the outer side of the middle of the machine body 1, a cross rod 3 is fixedly connected to the top of the fixed ring 2, a homing cavity 4 is arranged inside the cross rod 3, a homing spring 5 is arranged inside the homing cavity 4, a moving plate 6 is fixedly connected to the left side of the homing spring 5, a connecting rod 7 penetrates through the inside of the moving plate 6, a pressing block 8 is fixedly connected to the left side of the connecting rod 7, a connecting rod fixing block 10 is fixed to the right side of the cross rod 3, a speed reducing groove 21 is arranged at the bottom of the fixing block 10, a movable cavity 11 is arranged inside the fixing block 10, a bottom plate 12 is arranged inside the movable cavity 11, a first sliding groove 22 is arranged inside the upper end of the bottom plate 12, a first sliding block 23 is arranged inside the first sliding groove 22, a bottom column 13 is fixedly connected to, the right side of the machine body 1 is provided with a rotating shaft 17, the outer side of the middle of the rotating shaft 17 is fixedly connected with a rotating block 18, the outer side of the rotating block 18 is fixedly connected with a speed reducing sheet 19, and a heat dissipation hole 20 is formed in the speed reducing sheet 19.

The right side of the homing spring 5 is fixedly connected with the cross rod 3, the left side of the connecting rod 7 penetrates through the cross rod 3 and extends to the outside, the right side of the connecting rod 7 penetrates through the cross rod 3 and extends to the inside of the movable cavity 11, the right side of the connecting rod 7 is movably connected with the transmission rod 14, and the homing spring 5 can enable the connecting rod 7 to automatically home after being used.

Two lower push rods 16 are symmetrically arranged at the bottom of the bottom plate 12 in the left-right direction, the bottom of each lower push rod 16 is an inclined plane, two moving grooves are symmetrically arranged in the transmission rod 14 in the left-right direction, the connecting rod 7 is sleeved in the left moving groove, the bottom column 13 is sleeved in the right moving groove, the fixing block 10 is fixedly connected to the outer side of the central shaft 15, and the bottom plate 12 can push the lower push rods 16 to move downwards.

The emergency speed reducing structure 9 is provided with two groups corresponding to the lower push rod 16, the emergency speed reducing structure 9 comprises a second sliding groove 91, a second sliding block 92, a push plate 93, a pushing spring 94, a push post 95, a fixed seat 96, a friction plate 97, a connecting block 98 and a replacing structure 99, the second sliding groove 91 is arranged at the bottom of the fixed block 10, the second sliding block 92 is arranged inside the second sliding groove 91, the upper end of the second sliding block 92 is fixedly connected with the push plate 93, the outer side of the upper end of the push plate 93 is tightly attached to the tip of the inclined surface at the bottom of the lower push rod 16, the pushing spring 94 is fixedly connected to the inner side of the push plate 93, the fixed post 95 is fixedly connected to the inner side center of the push plate 93, the pushing spring 94 is sleeved outside the push post 95, the inner side of the push post 95 penetrates through the fixed block 10 and extends into the speed reducing groove 21, the friction disc 97 outside is provided with connecting block 98, and connecting block 98 corresponds to change structure 99 and is provided with the notch, and emergent speed reduction structure 9 can carry out quick speed reduction to axis of rotation 17.

Change structure 99 including changing chamber 991, change spring 992, change board 993, push rod 994, support piece 995, limit piece 996, it is located inside fixing base 96 to change chamber 991, it is provided with changes spring 992 to change chamber 991 inside, it is provided with changes board 993 to change spring 992 bilateral symmetry, it limits piece 996 to change the equal fixed connection in board 993 outside bottom, limit piece 996 is located connecting block 98, change board 993 outside upper end fixed connection push rod 994, push rod 994 runs through fixing base 96 and extends to the outside, push rod 994 outside fixed connection supports piece 995, it can make things convenient for friction disc 97 to change structure 99.

The upper end of the decelerating sheet 19 is located inside the decelerating groove 21 at the bottom of the fixing block 10, the decelerating sheet 19 is in a circular ring shape, the heat dissipating holes 20 are equidistantly arranged inside the decelerating sheet 19, and the decelerating sheet 19 can drive the rotating shaft 17 to decelerate.

The working principle is as follows:

when the alternating current motor needs to be stopped emergently in case of emergency, firstly, the power supply of the machine body 1 is turned off, the press block 8 is pushed to the right side, the press block 8 pushes the connecting rod 7 to move to the right side, the connecting rod 7 pushes the transmission rod 14 through the left side sliding groove, the transmission rod 14 rotates by taking the central shaft 15 as the center, the right side sliding groove of the transmission rod 14 drives the bottom pillar 13 to move, the bottom pillar 13 drives the first sliding block 23 and the bottom plate 12 to move, the first sliding block 23 moves to the left side along the first sliding groove 22, the bottom plate 12 pushes the lower push rod 16 downwards, the lower push rod 16 moves the push plate 93 inwards through the inclined surface at the bottom, the push plate 93 pushes the push pillar 95 to move inwards, the push pillar 95 pushes the fixed seat 96 to move inwards, the fixed seat 96 pushes the friction plate 97 to move inwards, the friction plate 97 contacts with the speed reduction plate 19 and rubs with the speed reduction plate, sundries can be taken out in time, and the AC motor is prevented from being damaged.

When the friction plate 97 needs to be replaced, the abutting block 995 in the replacement structure 99 is firstly pushed towards the inside, the abutting block pushes the push rod 994, the push rod 994 pushes the replacement plate 993, the replacement plate 993 drives the limiting block 996, the limiting block 996 leaves the notch in the connecting block 98, so that the friction plate 97 can be taken down, a new friction plate 97 is put into the fixing seat 96 again, the abutting block 995 is loosened, the replacement spring 992 pushes the replacement plate 993 towards the outside, and the replacement side 993 pushes the limiting block 996 to enter the notch in the connecting block 98, thereby completing replacement.

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.