CN207581207U - Large-scale grading ring suspender - Google Patents

Abstract

The utility model is related to a kind of grading ring suspender, especially large-scale grading ring suspender, including arm, telescopic arm, support arm, connecting seat, ring frame and control system；Arm fixes one end of telescopic arm, and telescopic arm activity is inserted in support arm, and one end of support arm is fixed on connecting seat, and support arm is no less than two, and is distributed on the lateral surface of connecting seat；The inside of connecting seat is equipped with intermeshing drive bevel gear and driven wheel of differential, the top of connecting seat is equipped with ring frame, fills telescope motor on ring frame, telescope motor is connect with drive bevel gear, driven wheel of differential is mounted on the side of connecting seat, and driven wheel of differential is connect with ball screw；It is mounted on ball screw equipped with feed screw nut, feed screw nut in nut connecting plate in telescopic arm；Telescope motor is connect with control system.The suspender is easy to use, compact-sized, reasonable design, control is accurate, high degree of automation, safe, lifting is quick, easy to operate, processing cost is low.

Description

Large-scale grading ring suspender

Technical field

The utility model is related to a kind of grading ring suspender, especially large-scale grading ring suspender.

Background technology

High-power transformer needs hoisting large-size grading ring when doing experiment, and the lifting of large size grading ring is bound with rope now It is lifted on four support columns of grading ring, after grading ring is lifted on bushing shell for transformer, operating personnel will be hung in up Rope on grading ring is removed with wooden stick from driving hook, and there are security risk, and required time is grown, and handling are difficult.

Utility model content

To solve the above problems, the utility model provides a kind of safe, convenient large-scale grading ring suspender of lifting, tool Body technique scheme is：

Large-scale grading ring suspender, including arm, telescopic arm, support arm, connecting seat, ring frame and control system；It is described to hang Arm fixes one end of telescopic arm, and telescopic arm activity is inserted in support arm, and one end of support arm is fixed on connecting seat, and support arm is not Less than two, and it is distributed on the lateral surface of connecting seat；The inside of the connecting seat equipped with intermeshing drive bevel gear and from Dynamic bevel gear, the top of connecting seat are equipped with ring frame, hanging ring and telescope motor, telescope motor and active conical tooth are housed on ring frame The gear axis connection of wheel, the driven wheel of differential are mounted on the side of connecting seat, and driven wheel of differential is connect with ball screw；It is described Equipped with nut connecting plate in telescopic arm, nut connecting plate is located at the other end of telescopic arm, i.e. one end far from arm, nut connection It is mounted on ball screw equipped with feed screw nut, feed screw nut on plate；The telescope motor is connect with control system.

Preferably, the telescopic arm and support arm are square tube, and copper pad is housed between telescopic arm and support arm.

Preferably, reinforcing plate, reinforcing plate connection support arm and connecting seat are respectively arranged at the top and bottom of the connecting seat.

Preferably, the arm includes sequentially connected linking arm, oblique arm, vertical arm and transverse arm；The linking arm is fixed In one end of telescopic arm, linking arm and vertical arm are vertical with telescopic arm, and the transverse arm is parallel with telescopic arm, and the oblique arm tilts Setting, oblique arm are tilted to connecting seat, i.e., the angle between oblique arm and telescopic arm is acute angle.

Preferably, the arm is equipped with lightening hole.

Preferably, travel switch in the vertical arm is housed, pressure switch, the travel switch and pressure are housed on the transverse arm Power switch is connect with control system.

Preferably, on the transverse arm equipped with pressure switch and optoelectronic switch, there are two the optoelectronic switch is set, one is located at The side of vertical arm, another is located at the end of transverse arm, i.e., far from vertical arm, the pressure switch and optoelectronic switch are and control system Connection.

Preferably, between the connecting seat and ring frame equipped with tumbler, the tumbler include turbine, worm screw, Steering motor and rotation axis；The rotation axis is hollow shaft, and the gear shaft of the drive bevel gear passes through rotation axis and flexible electricity Machine connects, and rotation axis one end is fixed on the top of connecting seat, and the other end is movably arranged on the bottom of ring frame, is equipped in rotation axis Turbine, turbine is between ring frame and connecting seat, and the turbine is connect with worm screw, and worm screw connect with steering motor, worm screw and Steering motor is each attached to the bottom of ring frame.

Preferably, equipped with thrust ball bearing thrust is housed between turbine and ring frame between the rotation axis and ring frame Ball bearing.

Preferably, one end that the ball screw is connect with driven wheel of differential is mounted on angular contact bearing, the corner connection Contact bearing is mounted on bearing block, and the bearing block is mounted on the side of connecting seat.

Multiple driven wheel of differential is driven to realize the synchronization telescope of multiple arms by a drive bevel gear, made simple in structure Reliably, processing cost is low, easy to operate.

Extending and retracting for telescopic arm is controlled by ball screw, synchronism is good, transmission is simple and reliable.Using angular contact axis Installation ball screw is held, ensures the service life of bearing, reduces friction.

Square tube stress is good, buying is convenient, processing is simple, while is reduced by copper backing and rubbed, and improves service life.Strengthen Plate further improves the connection between support arm and connecting seat.

The bottom that arm hooks grading ring on the inside of grading ring can reduce the length of support arm and telescopic arm, reduce power Arm improves structural strength, reduces the complexity and processing cost of structure, occupy little space simultaneously, make compact-sized.Lightening hole energy Effectively mitigate the weight of arm, so as to reduce the weight of entire large-scale grading ring suspender, reduce to crane or lifting capacity of driving a vehicle Demand.

Travel switch can effectively control the stretching of telescopic arm, prevent whether manual control from effectively cannot judge arm when stretching out Clamping grading ring and continue that telescopic arm stretching is controlled to cause the accident, improve the precision and the degree of automation of control, make operation simple Folk prescription is just.

Whether in place optoelectronic switch for detecting grading ring, when the optoelectronic switch positioned at transverse arm end detects that grading ring is sent out Go out to indicate information, the extended position for prompting arm is correct, can continue to stretch out arm, if there are one be located at end in four arms The optoelectronic switch in portion cannot detect that grading ring is issued by alarming, and the malposition of transverse arm, transverse arm fails to be inserted into grading ring Lower section needs to adjust position；Instruction information is sent out when the optoelectronic switch positioned at vertical arm side detects grading ring, and stops stretching Contracting motor, arm is fully extended in place at this time, can lift by crane.

Pressure switch plays a protective role, and lifting finger lock telescope motor prevents maloperation, prevents grading ring from lifting by crane Telescope motor starts in journey, and arm is retracted, and grading ring, which is fallen, to cause the accident.Pressure switch effectively increases safety.

Tumbler realizes the rotation of arm, and grading ring is facilitated to install, improves the practicability of large-scale grading ring suspender, real It is existing multi-functional.Turbine and worm stable drive, it is compact-sized simple, the size of large-scale grading ring suspender is effectively reduced, and reduce and add Work cost.Axial force is born using thrust ball bearing, effectively improves the service life of large-scale grading ring suspender.

The suspension hook of the hanging ring of ring frame and crane is connected, the distance between arm is shortened to initial position, then Start crane, by large-scale grading ring suspender to decentralization, when arm is entered in grading ring, and transverse arm is located at the bottom of grading ring When, stop declining, start telescope motor, telescope motor drives driven wheel of differential to rotate by drive bevel gear, driven wheel of differential Ball screw rotation is driven, ball screw drives feed screw nut's movement, and feed screw nut drives telescopic arm to the side far from connecting seat To movement, when four vertical arm are contacted with the medial surface of grading ring, travel switch sends out signal in place, and telescope motor stalls, Then start crane, promote ring frame, when four transverse arms are contacted with the bottom of grading ring, and after forming certain pressure, pressure Switch hair has pressure to go out signal, locks telescope motor；When grading ring is placed into designated position, if the position of grading ring exists Deviation starts steering motor, and steering motor drives turbine rotation by worm screw, and turbine drives rotation axis rotation, and rotation axis drives Entire large size grading ring rotating hanger, until rotating suitable position, puts down grading ring, when four transverse arms are away from grading ring During bottom, pressure switch sends out no pressure signal, unlocks telescope motor, and telescope motor starts, and telescopic arm drives arm to connection Seat is retracted, and then starts crane, large-scale grading ring suspender is withdrawn, and completes lifting.

The utility model has the advantages that compared with prior art：

Large size grading ring suspender provided by the utility model is easy to use, compact-sized, reasonable design, controls accurately, certainly Dynamicization degree is high, safe, lifting is quick, easy to operate, processing cost is low.

Description of the drawings

Fig. 1 is the vertical view of the utility model；

Fig. 2 is the sectional view of the line A-A along Fig. 1；

Fig. 3 is the enlarged structure schematic diagram at I in Fig. 2.

Specific embodiment

In conjunction with attached drawing, the utility model is described in further detail.

As shown in Figure 1, Figure 2 and Figure 3, large-scale grading ring suspender, including arm 4, telescopic arm 31, support arm 6, connecting seat 2, Ring frame 11 and control system；The arm 4 fixes one end of telescopic arm 31, and 31 activity of telescopic arm is inserted in support arm 6, supports One end of arm 6 is fixed on connecting seat 2, there are four support arm 6 is set, and is distributed on the lateral surface of connecting seat 2；The connecting seat 2 Inside equipped with intermeshing drive bevel gear 23 and driven wheel of differential 24, the top of connecting seat 2 is equipped with ring frame 11, hanging ring Equipped with hanging ring 12 and telescope motor 21 on frame 11, telescope motor 21 is connect with the gear shaft 22 of drive bevel gear 23, described driven Bevel gear 24 is mounted on the side of connecting seat 2, and driven wheel of differential 24 is connect with ball screw 26；Spiral shell is housed in the telescopic arm 31 Female connecting plate 32, nut connecting plate 32 are located at the other end of telescopic arm 31, i.e. one end far from arm 4, in nut connecting plate 32 Equipped with feed screw nut 25, feed screw nut 25 is mounted on ball screw 26；The telescope motor 21 is connect with control system.Pass through One drive bevel gear 23 drives multiple driven wheel of differential 24 to realize the synchronization telescopes of multiple arms 4, make it is simple and reliable for structure plus Work is at low cost, easy to operate.

One end that ball screw 26 is connect with driven wheel of differential 24 is mounted on angular contact bearing, the angular contact bearing peace On bearing block 27, the bearing block 27 is mounted on the side of connecting seat 2.Stretching for telescopic arm 31 is controlled by ball screw 26 Go out and retract, synchronism is good, transmission is simple and reliable.Ball screw 26 is installed using angular contact bearing, ensure bearing uses the longevity Life reduces friction.

Telescopic arm 31 and support arm 6 are square tube, and copper pad 33 is housed between telescopic arm 31 and support arm 6.Connecting seat 2 Top and bottom are respectively arranged with reinforcing plate 61, and reinforcing plate 61 connects support arm 6 and connecting seat 2.Square tube stress is good, buying is convenient, adds Work is simple, while is reduced by copper backing and rubbed, and improves service life.Reinforcing plate 61 further improves support arm 6 and connecting seat 2 Between connection.

Arm 4 includes sequentially connected linking arm 41, oblique arm 42, vertical arm 43 and transverse arm 44；The linking arm 41 is fixed In one end of telescopic arm 31, linking arm 41 and vertical arm 43 are vertical with telescopic arm 31, and the transverse arm 44 is parallel with telescopic arm 31, institute It states oblique arm 42 to be obliquely installed, oblique arm 42 is tilted to connecting seat 2, i.e., the angle C between oblique arm 42 and telescopic arm 31 is sharp Angle.Arm 4 is equipped with lightening hole 47.The bottom that arm 4 hooks grading ring on the inside of grading ring can reduce support arm 6 and stretch The length of contracting arm 31 reduces the arm of force, improves structural strength, reduces the complexity and processing cost of structure, occupy little space simultaneously, Make compact-sized.Lightening hole 47 can effectively mitigate the weight of arm 4, so as to reduce the weight of entire large-scale grading ring suspender, subtract The small demand to crane or lifting capacity of driving a vehicle.

Travel switch 46 in vertical arm 43 is housed, pressure switch 45, the travel switch 46 and pressure are housed on the transverse arm 44 Power switch 45 is connect with control system.Travel switch 46 can effectively control the stretching of telescopic arm 31, prevent manual control from stretching out Shi Buneng effectively judge arm 4 whether clamping grading ring and continue control telescopic arm 31 stretching cause the accident, improve control Precision and the degree of automation make simple to operate.Pressure switch 45 plays a protective role, and lifting finger lock telescope motor 21 is anti- Only maloperation prevents grading ring telescope motor 21 during lifting from starting, and arm 4 is retracted, and grading ring, which is fallen, to cause the accident.Pressure Power switch 45 effectively increases safety.

Equipped with tumbler between connecting seat 2 and ring frame 11, the tumbler includes turbine 51, worm screw 52, turns to Motor and rotation axis 5；The rotation axis 5 is hollow shaft, and the gear shaft 22 of the drive bevel gear 23 passes through rotation axis 5 with stretching Motor 21 connects, and 5 one end of rotation axis is fixed on the top of connecting seat 2, and the other end is movably arranged on the bottom of ring frame 11, rotation Equipped with turbine 51 on axis 5, turbine 51 is between ring frame 11 and connecting seat 2, and the turbine 51 is connect with worm screw 52, worm screw 52 It is connect with steering motor, worm screw 52 and steering motor are each attached to the bottom of ring frame 11.It is filled between rotation axis 5 and ring frame 11 There is thrust ball bearing 53, thrust ball bearing 53 is housed between turbine 51 and ring frame 11.Tumbler realizes the rotation of arm 4, Grading ring is facilitated to install, improves the practicability of large-scale grading ring suspender, is realized multi-functional.51 worm screw of turbine, 52 stable drive, It is compact-sized simple, the size of large-scale grading ring suspender is effectively reduced, and reduce processing cost.It is born using thrust ball bearing 53 Axial force effectively improves the service life of large-scale grading ring suspender.

The hanging ring 12 of ring frame 11 with the suspension hook of crane is connect, the distance between arm 4 is shortened to initial position, Then start crane, by large-scale grading ring suspender to decentralization, when arm 4 is entered in grading ring, and transverse arm 44 is located at grading ring Bottom when, stop decline, start telescope motor 21, telescope motor 21 pass through drive bevel gear 23 drive 24 turns of driven wheel of differential Dynamic, driven wheel of differential 24 drives ball screw 26 to rotate, and ball screw drives feed screw nut 25 to move, and feed screw nut 25, which drives, to stretch Contracting arm 31 is moved to the direction far from connecting seat 2, when four vertical arm 43 are contacted with the medial surface of grading ring, travel switch 46 Send out signal in place, telescope motor 21 stalls, and then starts crane, promotes ring frame 11, four transverse arms 44 with grading ring When bottom contacts, and after forming certain pressure, the hair of pressure switch 45 has pressure to go out signal, locks telescope motor 21；By grading ring When being placed into designated position, if there are deviations for the position of grading ring, start steering motor, steering motor is driven by worm screw 52 Turbine 51 rotates, and turbine 51 drives rotation axis 5 to rotate, and rotation axis 5 drives entire large-scale grading ring rotating hanger, until rotation is closed Suitable position, puts down grading ring, and when four transverse arms 44 are away from the bottom of grading ring, pressure switch 45 sends out no pressure letter Number, telescope motor 21 is unlocked, telescope motor 21 starts, and telescopic arm 31 drives arm 4 to retract to connecting seat 2, then starts crane, Large-scale grading ring suspender is withdrawn, completes lifting.

Claims (10)

1. large-scale grading ring suspender, which is characterized in that including arm（4）, telescopic arm（31）, support arm（6）, connecting seat（2）, hang Ring stand（11）And control system；The arm（4）Fixed telescopic arm（31）One end, telescopic arm（31）Activity is inserted in support arm （6）It is interior, support arm（6）One end be fixed on connecting seat（2）On, support arm（6）No less than two, and be distributed on connecting seat（2） Lateral surface；The connecting seat（2）Inside be equipped with intermeshing drive bevel gear（23）And driven wheel of differential（24）, connection Seat（2）Top be equipped with ring frame（11）, ring frame（11）It is upper that hanging ring is housed（12）And telescope motor（21）, telescope motor（21） With drive bevel gear（23）Gear shaft（22）Connection, the driven wheel of differential（24）Mounted on connecting seat（2）Side, it is driven Bevel gear（24）With ball screw（26）Connection；The telescopic arm（31）It is interior that nut connecting plate is housed（32）, nut connecting plate （32）Positioned at telescopic arm（31）The other end, i.e., far from arm（4）One end, nut connecting plate（32）It is upper that feed screw nut is housed （25）, feed screw nut（25）Mounted on ball screw（26）On；The telescope motor（21）It is connect with control system.

2. large size grading ring suspender according to claim 1, which is characterized in that the telescopic arm（31）And support arm（6） It is square tube, telescopic arm（31）And support arm（6）Between be equipped with copper pad（33）.

3. large size grading ring suspender according to claim 1, which is characterized in that the connecting seat（2）Top and bottom It is respectively arranged with reinforcing plate（61）, reinforcing plate（61）Connect support arm（6）And connecting seat（2）.

4. large size grading ring suspender according to claim 1, which is characterized in that the arm（4）Including sequentially connected Linking arm（41）, oblique arm（42）, vertical arm（43）And transverse arm（44）；The linking arm（41）It is fixed on telescopic arm（31）One End, linking arm（41）And vertical arm（43）And telescopic arm（31）Vertically, the transverse arm（44）With telescopic arm（31）It is parallel, it is described oblique To arm（42）It is obliquely installed, oblique arm（42）To connecting seat（2）It tilts, i.e., oblique arm（42）With telescopic arm（31）Between angle For acute angle.

5. large size grading ring suspender according to claim 4, which is characterized in that the arm（4）It is equipped with lightening hole （47）.

6. large size grading ring suspender according to claim 4, which is characterized in that the vertical arm（43）It is upper that travel switch is housed （46）, the transverse arm（44）It is upper that pressure switch is housed（45）, the travel switch（46）And pressure switch（45）It is with control System connection.

7. large size grading ring suspender according to claim 4, which is characterized in that the transverse arm（44）It is upper that pressure switch is housed （45）And optoelectronic switch（48）, the optoelectronic switch（48）If there are two, one is located at vertical arm（43）Side, another is located at Transverse arm（44）End, i.e., far from vertical arm（43）, the pressure switch（45）And optoelectronic switch（48）It is connect with control system.

8. large size grading ring suspender according to claim 1, which is characterized in that the connecting seat（2）With ring frame（11） Between equipped with tumbler, the tumbler includes turbine（51）, worm screw（52）, steering motor and rotation axis（5）；Described turn Moving axis（5）For hollow shaft, the drive bevel gear（23）Gear shaft（22）Across rotation axis（5）With telescope motor（21）Even It connects, rotation axis（5）One end is fixed on connecting seat（2）Top, the other end is movably arranged on ring frame（11）Bottom, rotation axis （5）It is upper that turbine is housed（51）, turbine（51）Positioned at ring frame（11）With connecting seat（2）Between, the turbine（51）With worm screw （52）Connection, worm screw（52）It is connect with steering motor, worm screw（52）Ring frame is each attached to steering motor（11）Bottom.

9. large size grading ring suspender according to claim 8, which is characterized in that the rotation axis（5）With ring frame（11） Between be equipped with thrust ball bearing（53）, turbine（51）With ring frame（11）Between be equipped with thrust ball bearing（53）.

10. large size grading ring suspender according to claim 1, which is characterized in that the ball screw（26）With from mantle Gear（24）One end of connection is mounted on angular contact bearing, and the angular contact bearing is mounted on bearing block（27）On, the axis Bearing（27）Mounted on connecting seat（2）Side.