CN211565239U

CN211565239U - Turning clamp for bearing cover of main speed reducer of automobile rear axle

Info

Publication number: CN211565239U
Application number: CN202020135891.2U
Authority: CN
Inventors: 向定佳; 敬顺尧; 杨建新; 陈勇
Original assignee: Yichang Aoli Precision Machinery Manufacturing Co ltd
Current assignee: Yichang Aoli Precision Machinery Manufacturing Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-09-25
Anticipated expiration: 2030-01-20

Abstract

The utility model provides a car rear axle main reducer bearing cap turning anchor clamps, it includes the pivot, pivot one end sets up the connection pad just pivot and the coaxial setting of connection pad, be provided with the round pin axle that four groups are used for four bearing cap circumference location respectively on the same graduated circle of connection pad, still including acting on the bearing cap upper surface in order to be used for the subassembly that compresses tightly of bearing cap axial positioning. The utility model discloses a set up the pivot and connect the connection pad in pivot one end with the coaxial setting of pivot and detachable, set up four round pin axles of group on the connection pad for the circumference location of four bearing caps, and set up and compress tightly the subassembly and push down the axial positioning that is used for the bearing cap at the bearing cap upper surface, the processing of four bearing caps can be accomplished to the dress card once, has improved machining efficiency, has reduced intensity of labour.

Description

Turning clamp for bearing cover of main speed reducer of automobile rear axle

Technical Field

The utility model relates to an automobile parts machining technical field especially relates to an automobile rear axle main reducer bearing cap turning anchor clamps.

Background

The automobile rear axle main reducer assembly is a key part assembly on a heavy automobile, and mainly has the main function of reducing the rotating speed transmitted from a main transmission shaft so as to increase the torque and change the power direction, and is used as a main reducer shell of an important part on the main reducer to play a role of fixedly supporting each part on the main reducer, a bearing gear inner hole which plays a role of positioning a gear and an input shaft is arranged in the main reducer shell, the mounting precision of a bearing cover and the main reducer shell directly influences the transmission precision of the main reducer, in the processing process, the outer circular surface of the bearing cover needs to be turned so as to meet the design precision and the mounting precision with the main reducer shell, the processing of a numerical control processing center needs higher investment, the common lathe is generally used for processing, and as the bearing cover is irregular in shape, the clamping difficulty is higher, only one piece can be processed at a time, and the repeated clamping labor intensity is high, the working efficiency is low, and the production requirement can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a car rear axle main reducer bearing cap turning anchor clamps sets up four round pin axles of group through setting up the connection pad and on the connection pad for four bearing caps of installation simultaneously still are provided with and compress tightly the subassembly and compress tightly the bearing cap, and it is big to have solved among the prior art bearing cap dress card degree of difficulty, once can only process one, technical problem that work efficiency hangs down.

In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme:

the utility model provides an automobile rear axle main reducer bearing cap turning anchor clamps, its includes the pivot, and pivot one end sets up the connection pad just pivot and the coaxial setting of connection pad, be provided with four groups of round pins that are used for four bearing cap circumference location respectively on the same graduated circle of connection pad, still including acting on the bearing cap upper surface in order to be used for the subassembly that compresses tightly of bearing cap axial positioning.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a set up the pivot and connect the connection pad in pivot one end with the coaxial setting of pivot and detachable, set up four round pin axles of group on the connection pad, a circumference location for four bearing caps, and set up and compress tightly the subassembly and push down the axial positioning that is used for the bearing cap at the bearing cap upper surface, dress card the pivot on the three-jaw chuck of lathe, anchor clamps rotate along with the three-jaw chuck, the lathe tool can carry out the turning to the outer disc of waiting to process of bearing cap, the three-jaw chuck rotates a whole circle and can carry out the turning to four bearing caps in proper order, and the dress card is simple, high machining efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of FIG. 1;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic view of the assembly of the pin and the connecting disc in a preferred embodiment.

In the figure: the processing device comprises a rotating shaft 1, a connecting disc 2, a pin shaft 20, a trapezoidal boss 200, a trapezoidal groove 21, a set screw 22, a pressing assembly 3, a double-thread screw 30, a nut 31, a pressing plate 32, a bearing cover 4 and an outer circular surface 40 to be processed.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.

Referring to fig. 1-3, the utility model provides an automobile rear axle main reducer bearing cap turning anchor clamps, it includes

pivot

1, and 1 one end of pivot sets up connection pad 2 just pivot 1 and the coaxial setting of connection pad 2, be provided with four groups round pin axle 20 that are used for 4 circumference of four bearing caps respectively on 2 same graduated circles of connection pad, still including acting on 4 upper surfaces of bearing cap in order to be used for the subassembly 3 that compresses tightly of 4 axial positioning of bearing cap.

Specifically, compress tightly subassembly 3 and include double-end screw 30, double-end screw 30 one end and 1 threaded connection of pivot, the double-end screw 30 other end stretches out and stretches out end threaded connection nut 31 from connection pad 2, and double-end screw 30 middle part cover is established the clamp plate 32 that can reciprocate, clamp plate 32 and nut 31 cooperation use are so that clamp plate 32 compresses tightly bearing cap 4.

The scheme is characterized in that a rotating shaft 1 and a connecting disc 2 which is coaxial with the rotating shaft 1 are arranged, wherein the connecting disc 2 is arranged at one end of the rotating shaft 1, the other end of the rotating shaft 1 is connected with a three-jaw chuck on a lathe, four groups of pin shafts 20 are arranged on the same graduated circle of the connecting disc 2, a bearing cover 4 is arranged on each group of pin shafts 20, the pin shafts 20 are used for circumferentially positioning the bearing cover 4, a double-headed screw 30 is further arranged, one end of the double-headed screw 30 is in threaded connection with the rotating shaft 1, the other end of the double-headed screw 30 is in threaded connection with a nut 31, a pressing plate 32 is sleeved in the middle of the double-headed screw 30, the pressing plate 32 can move to be close to or far away from the bearing cover 4, the pressing plate 32 is used for pressing the bearing cover 4 by moving the pressing plate 32 and rotating the nut 31, the bearing, dress card once can process four bearing caps 4, and machining efficiency is high, and processing is accomplished the back moreover, through swivel nut 31, removes clamp plate 32 and keeps away from bearing cap 4, takes off four bearing caps 4 that have processed respectively, assembles four bearing caps 4 of treating processing again, removes clamp plate 32 and cooperates swivel nut 31 can fix a position bearing cap 4, need not to take off whole anchor clamps, easy operation, low in labor strength.

One implementation of the pressing plate 32 in the above scheme is that the pressing plate 32 is in a cross structure, and four ends of the cross pressing plate 32 are respectively used for pressing one bearing cover 4. The pressing plate 32 is arranged in a cross-shaped structure, each protruding end of the cross shape tightly presses one bearing cover 4, the axial positioning effect on the bearing covers 4 is good, and in addition, the weight reduction effect is also achieved compared with the commonly adopted flat plate structure.

The clamp plate 32 and the round pin axle 20 in the above scheme adopt the detachable connected mode, round pin axle 20 and connection pad 2 threaded connection, through set up the screw hole on connection pad 2, set up the external screw thread in round pin axle 20 one end and can be with connection pad 2 and round pin axle 20 threaded connection, round pin axle 20 can also be connected through the pinhole with connection pad 2, through set up the pinhole on connection pad 2, will sell axle 20 install in the pinhole can, the installation with dismantle all simple and convenient, can set up rather than corresponding screw hole or pinhole on connection pad 2 according to 4 specification of bearing cap, can adapt to the location of the bearing cap 4 of different dimensions, adaptability is wide.

Referring to fig. 4, preferably, four sets of radial trapezoidal grooves 21 are formed in the connecting disc 2, trapezoidal bosses 200 matched with the trapezoidal grooves 21 are respectively disposed at the connecting ends of the pin 20 and the connecting disc 2 so that the pin 20 slides in the trapezoidal grooves 21, and a set screw 22 for fixing the pin 20 in the trapezoidal grooves 21 is further disposed. Through set up radial dovetail groove 21 on connection pad 2, round pin axle 20 one end sets up with dovetail groove 21 assorted trapezoidal boss 200, and through holding screw 22 with its locking after confirming the position of round pin axle 20, can be adapted to the location of multiple specification and dimension's bearing cap 4 through the position of removal round pin axle 20, need not to process repeatedly, and resource utilization is higher.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides an automobile rear axle main reducer bearing cap turning anchor clamps which characterized in that: including the pivot, pivot one end sets up the connection pad just pivot and the coaxial setting of connection pad, be provided with four groups round pin axles that are used for four bearing cap circumference location respectively on the same graduated circle of connection pad, still including acting on the bearing cap upper surface in order to be used for the subassembly that compresses tightly of bearing cap axial positioning.

2. The turning clamp for the bearing cover of the main speed reducer of the rear axle of the automobile as claimed in claim 1, wherein: the compressing assembly comprises a double-threaded screw, one end of the double-threaded screw is in threaded connection with the rotating shaft, the other end of the double-threaded screw extends out of the connecting disc and stretches out of an end threaded connection nut, a pressing plate capable of moving up and down is sleeved at the middle of the double-threaded screw, and the pressing plate is matched with the nut to enable the pressing plate to compress the bearing cover.

3. The turning clamp for the bearing cover of the main speed reducer of the rear axle of the automobile as claimed in claim 2, wherein: the pressing plate is of a cross structure, and four ends of the cross pressing plate are respectively used for pressing one bearing cover.

4. The turning clamp for the bearing cover of the main speed reducer of the rear axle of the automobile as claimed in claim 1, wherein: the pin shaft is in threaded connection with the connecting disc.

5. The turning clamp for the bearing cover of the main speed reducer of the rear axle of the automobile as claimed in claim 1, wherein: the pin shaft is connected with the connecting disc through a pin hole.

6. The turning clamp for the bearing cover of the main speed reducer of the rear axle of the automobile as claimed in claim 1, wherein: four groups of radial trapezoidal grooves are formed in the connecting disc, trapezoidal bosses matched with the trapezoidal grooves are arranged at the connecting ends of the pin shafts and the connecting disc so that the pin shafts can slide in the trapezoidal grooves, and set screws for fixing the pin shafts in the trapezoidal grooves are further arranged.