CN2824260Y

CN2824260Y - Shaft sleeve type clutch for isolation, grounding electric mechanism

Info

Publication number: CN2824260Y
Application number: CN 200520013954
Authority: CN
Inventors: 周友东; 叶叙荣; 卞新斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-10
Filing date: 2005-08-10
Publication date: 2006-10-04
Anticipated expiration: 2015-08-10

Abstract

The utility model relates to a shaft sleeve type clutch for an isolation, grounding electric mechanism. The clutch which is arranged between an input drive part and an output drive part of the mechanism comprises a clutch installing frame, a position identifying plate which is connected and supported by an upper and a lower threaded rods and moves axially along the threaded rods, a reset spring and a clutch sleeve for axial position, wherein both heads of the sleeve form a clutch drive connection with an input and an output shafts and are in axial slip connection with the position identifying plate by one end of a connecting plate, and the other end of the connecting plate is movably connected with a worm gear which is engaged with a worm rod. The clutch can complete the drive of a general mechanical torque as well as meet the output of the angle of separating and closing a brake for breaking the voltage grades of 110 kv. The utility model has the advantages of reasonable and compact structure and convenient assembly and disassembly, and the errors of the output angles of a brake separating-and-closing mechanism because of the overshoot of a motor are reduced, and the security, the reliability and the stability of the mechanism aer improved.

Description

The axle sleeve type clutch of isolation, ground connection motor drive mechanism

Technical field

The utility model relates to the axle sleeve type clutch configuration of isolation, ground connection motor drive mechanism, the isolation of the above grade ZF11-252 of particularly suitable 110KV, ZF-126 or GIS circuit breaker, the axle sleeve type clutch configuration of ground connection motor drive mechanism.

Background technology

Clutch is widely used in engineering goods as transfer torque.In the high voltage electric appliance industry, cut-off the above all kinds of circuit breakers of 110KV electric pressure, divide, require to have electronic, manual two kinds of functions during the design of combined floodgate operating mechanism, when to mechanism's electric operating, mechanism's branch, close a floodgate need output angle accurately, stable putting in place.Prior art turns to by switch motor the control of electric operating mechanism branch, combined floodgate output angle and realizes, because the inertia overshoot that motor rotates, make branch, combined floodgate output angle inaccuracy, be difficult to stable putting in place, bring very big hidden danger for all kinds of circuit breakers that cut-off more than the 110KV electric pressure.

Summary of the invention

Goal of the invention of the present utility model is to overcome the defective of prior art and provides a kind of can being suitable for to transmit the common mechanical moment of torsion, can satisfy the axle sleeve type clutch that cut-offs 110KV electric pressure electric operating branch, closes a floodgate and require, to improve the accuracy and the steadiness of mechanism's output angle, to guarantee normal, the safe operation of circuit breaker.

Purpose by foregoing invention, embodiment of the present utility model is: a kind of isolation, the axle sleeve type clutch of ground connection motor drive mechanism, it is characterized in that described axle sleeve type clutch is arranged between the input running part and output running part of motor drive mechanism, it comprises the clutch installing rack, be provided with by last between two wallboards of installing rack, following Screw rod bearings connects and can axially movable location recognition plate along screw rod, and the spring that makes the location recognition sheet reset, the location recognition plate is provided with the clutch sleeve of axial location, two of this clutch sleeve can with coaxial mounted power shaft, but output shaft forms being in transmission connection of clutch, before, back connecting plate one end is connected with the axial slip of location recognition plate, and the other end is movably connected on the worm gear with worm engaging.

The axial location of described clutch sleeve on the location recognition plate is nested in the annular groove by annular groove on the clutch sleeve and location recognition plate and realizes, the location recognition plate is provided with is convenient to the Pear-Shaped hole that both install.

Described coaxial mounted power shaft and output shaft promptly extend a little axle in the power shaft end, this little axle matches and movable set with the aperture of output shaft.

But described clutch sleeve and power shaft, output shaft clutch be in transmission connection be the axial symmetric position of power shaft and output shaft respectively close-fitting trundle is arranged, but this trundle enters the drive connection that promptly forms driven rotary in the clutch sleeve openings at two ends groove, and the two-end-point of open slot is respectively the starting point and the peak of clutch sleeve cam face.

Described forward and backward connecting plate is connected with moving axially of location recognition plate, be about to the side plate that the location recognition plate is bent into forward and backward symmetry, be processed with the long slot bore of symmetry on the side plate vertically, an end of forward and backward connecting plate is movably connected in the long slot bore, and along the long slot bore axial slip.

Compared with prior art, the utility model is isolated, the ground connection motor drive mechanism is provided with the axle sleeve type clutch between input running part and output running part, this axle sleeve type clutch can be finished the transmission of common mechanical moment of torsion, can satisfy again and cut-off 110KV electric pressure electric operating branch, the requirement of switching-on mechanism output angle, it is rational in infrastructure, compact, as a separate unit, dismounting is safeguarded very convenient, significantly reduced owing to the motor overshoot causes branch, the error of mechanism's output angle during combined floodgate, improved the fail safe of mechanism, reliability and stability easily guarantee except that this also has the accuracy of manufacture, cost is low, debug advantages such as easy.

Description of drawings

Fig. 1 faces structural representation for the utility model.

Fig. 2 is the plan structure schematic diagram of Fig. 1.

Embodiment

Below will be described in detail again the utility model by above-mentioned accompanying drawing embodiment.

The axle sleeve type clutch (referring to Fig. 1～2) of isolation, ground connection motor drive mechanism is arranged between the input running part and output running part of mechanism.It is power shaft 8 axle heads of supporting that the gear 7 of input running part is installed in clutch installing rack 6 inner bearings by key.The output shaft 21 of output running part is the outrigger shaft of worm screw 15, and two ends are supporting with the bearings in the endless screw support 14, with the worm gear 1 of worm engaging through the worm-wheel shaft output angle.

The axle sleeve type clutch is installed on the clutch installing rack 6, and the clutch installing rack is Type, on two wallboards, under be connected with, following screw rod 4, the centre is provided with by last, following screw rod 4 supportings connect, the middle part is with guide 2, back-up ring location also can axially movable location recognition plate 11 along screw rod, this location recognition plate is axially movable reset by be sleeved on the screw rod before, rear spring 5 realizes, before the location recognition plate is bent into, the side plate 17 of back symmetry, side plate is processed the long slot bore 12 of symmetry vertically, before, back connecting plate 13 1 ends are movably connected in the long slot bore by pin 18, the other end is movably connected on the eccentric position of worm gear by pin 16, thereby makes the rotation of worm gear be subjected to pining down of connecting plate to reach the output angle that requirement is set.

Location recognition plate 11 is last, middle part between the following screw rod 4 is provided with the clutch sleeve 3 of axial location, its axial location is combined with the annular groove of clutch sleeve by the location recognition plate and realizes, promptly the medium position at clutch sleeve is processed into groove structure, the location recognition plate is nested in the above-mentioned annular groove, make clutch sleeve can follow the location recognition plate and make synchronizing shaft to shift action, here, the thickness of location recognition plate and the bad well width of clutch sleeve must match, in order to reach the nested connection purpose of the two, must process the Pear-Shaped hole (not shown) of being convenient to install clutch sleeve 3 on the location recognition plate 11, the macropore diameter in Pear-Shaped hole must be greater than the outside dimension of clutch sleeve, its small aperture must be slightly larger than the groove bottom diameter size of clutch sleeve again, during installation clutch sleeve is packed into from the Pear-Shaped macropore, push aperture position then to, the cucurbit aperture that makes annular groove stick into the location recognition plate promptly is axially located, the clutch sleeve of axial location will be followed moving of location recognition plate and be moved, and is synchronized with the movement.

But two of clutch sleeve 3 can with being in transmission connection of power shaft 8, output shaft 21 coaxial installations and formation clutch, alignment in order to ensure power shaft, output shaft, extend a little axle 19 in the power shaft end, output shaft end is processed an aperture, little axle matches and movable fit with aperture, and power shaft, output shaft are on the coaxial line.But clutch sleeve 3 is in transmission connection with power shaft 8, output shaft 21 clutches, promptly the axial symmetric position of power shaft, output shaft respectively close-fitting trundle 9 and 20 are arranged, the clutch sleeve two ends are processed with open slot 10, both ends open groove of the present utility model is mutually 90 ° of distributions, but also other angular distribution, no specific (special) requirements only requires that trundle 9,20 diameters are slightly less than open slot 10 width, promptly forms after trundle enters open slot and can drive the drive connection that clutch sleeve rotates together.Simultaneously, the two ends end face of clutch sleeve is a cam surface, the two-end-point of open slot is respectively the starting point and the peak of cam surface, can guarantee that like this trundle and clutch sleeve effectively break away from or combine, and make this device under the situation of not opening case, can hear " whip " grating that clutch sends, can judge the whether working properly of clutch easily.

To further understand dynamic structure of the present utility model by description below to the course of work.

When pressing combined floodgate or opening button, electrical power driven gear 7 is done counterclockwise or is clockwise rotated, driving clutch sleeves 3 by trundle 9 also does counterclockwise or turns clockwise, and the trundle 20 that drives the left side drives worm screw 15 again and does counterclockwise or clockwise rotate, the rotation of worm screw makes worm gear 1 rotate again, the pin 16 of worm gear eccentric part just drives connecting plate 13 move left and right, because connecting plate is connecting location recognition plate 11 by pin 18 simultaneously, so make the location recognition plate when screw rod 4 is made move left and right, drive clutch sleeve 3 same moved further, and compress one and survey spring 5.When the distance of connecting plate 13 move left and right during greater than open slot 10 length of clutch sleeve the right and left, trundle will with clutch sleeve while being connected, breaking away from, input running part and output running part are thrown off, because the auto-reset function of spring, can hear the thread off grating of back " whip " of clutch, this explanation divides, closing a floodgate puts in place, promptly finished close, the separating brake action, and can be by " whip " sound that sends, judge whether operate as normal of axle sleeve type clutch.

Claims

1, a kind of isolation, the axle sleeve type clutch of ground connection motor drive mechanism, it is characterized in that described axle sleeve type clutch is arranged between the input running part and output running part of motor drive mechanism, it comprises clutch installing rack (6), be provided with by last between two wallboards of installing rack, following screw rod (4) supporting connects and can axially movable location recognition plate (11) along screw rod, and the spring (5) that makes the location recognition sheet reset, the location recognition plate is provided with the clutch sleeve (3) of axial location, two of this clutch sleeve can with coaxial mounted power shaft (8), output shaft (21) but form being in transmission connection of clutch, before, back connecting plate (13) one ends are connected with the axial slip of location recognition plate (11), and the other end is movably connected on the worm gear (1) that meshes with worm screw (15).

The axle sleeve type clutch of 2, isolation according to claim 1, ground connection motor drive mechanism, it is characterized in that the axial location of described clutch sleeve (3) on location recognition plate (11) is nested in the annular groove by annular groove on the clutch sleeve and location recognition plate realizes, the location recognition plate is provided with is convenient to the Pear-Shaped hole that both install.

The axle sleeve type clutch of 3, isolation according to claim 1, ground connection motor drive mechanism, it is characterized in that described coaxial mounted power shaft (8) and output shaft (21) promptly extend a little axle (19) in the power shaft end, this little axle matches and movable set with the aperture of output shaft.

The axle sleeve type clutch of 4, isolation according to claim 1, ground connection motor drive mechanism, it is characterized in that described clutch sleeve (3) and power shaft (8), output shaft (21) but clutch be in transmission connection be the axial symmetric position of power shaft and output shaft respectively close-fitting trundle (9), (20) are arranged, this trundle enter clutch sleeve openings at two ends groove (10) but in promptly form the drive connection of driven rotary, and the two-end-point of open slot is respectively the starting point and the peak of clutch sleeve cam face.

5, according to the axle sleeve type clutch of claim 1 or 2 or 3 or 4 described isolation, ground connection motor drive mechanism, it is characterized in that described forward and backward connecting plate (13) is connected with moving axially of location recognition plate (11), be about to the side plate (17) that location recognition plate (11) is bent into forward and backward symmetry, be processed with the long slot bore (12) of symmetry on the side plate vertically, one end of forward and backward connecting plate is movably connected in the long slot bore, and along the long slot bore axial slip.