CN211439710U

CN211439710U - Axial positioning device for crankshaft installation

Info

Publication number: CN211439710U
Application number: CN201922243414.8U
Authority: CN
Inventors: 关晓杰
Original assignee: Jiaxing Lifeng Machinery Manufacturing Co ltd
Current assignee: Jiaxing Lifeng Machinery Manufacturing Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-08
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses an axial positioning device for bent axle installation usefulness relates to the bent axle field, comprising a base plate, the top symmetry of bottom plate is equipped with two backup pads, two backup pads are equipped with first splint and second splint in proper order, and first splint and backup pad fixed connection, the bar-shaped chamber has been seted up at the top of two backup pads, the middle part rotation in bar-shaped chamber is connected with the lead screw, the outer wall rotation of lead screw is connected with the nut seat, the top fixed connection fixed block of nut seat, the bottom fixed connection of the bar-shaped through-hole that the backup pad top was seted up and second splint is passed on the top of fixed block, one side fixedly connected with turning handle of backup pad is run through to the one. The utility model discloses utilize setting up of lead screw, nut seat and turning handle to drive the second splint and move flywheel or the connecting rod to the bent axle and press from both sides tight location to first splint one side to realize that the quick location of bent axle is fixed, improved the efficiency and the quality of bent axle installation, reduced operator's intensity of labour.

Description

Axial positioning device for crankshaft installation

Technical Field

The utility model relates to a bent axle field, in particular to an axial positioning device for bent axle installation usefulness.

Background

The crankshaft is the most important component in the engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load.

At present in the installation of bent axle, need fix a position the bent axle fixedly to be convenient for the operator with the bent axle install in the engine, and the location to the bent axle is mostly held up through operator's both hands now and is realized, such locate mode has not only increased operator's intensity of labour, and shake appears easily in the state of holding up for a long time in operator's both hands moreover, influences the accuracy of bent axle location, thereby reduces the installation quality of bent axle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an axial positioning device for bent axle installation usefulness to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axial positioning device for bent axle installation usefulness, includes the bottom plate, the top symmetry of bottom plate is equipped with two backup pads, two the backup pad is equipped with first splint and second splint in proper order, just first splint and backup pad fixed connection, two the bar-shaped chamber has been seted up at the top of backup pad, the middle part in bar-shaped chamber is rotated and is connected with the lead screw, the outer wall of lead screw rotates and is connected with the nut seat, the top fixed connection fixed block of nut seat, the bottom fixed connection of the bar-shaped through-hole that the backup pad top was seted up and second splint is passed on the top of fixed block, one side fixedly connected with turning handle of backup pad is run through to the one end of.

Preferably, one of them backup pad and bottom plate fixed connection, wherein another the bottom sliding joint of backup pad has the slide rail, just the top fixed connection of slide rail and bottom plate, wherein another the bottom of backup pad is equipped with locking mechanism.

Preferably, the locking mechanism comprises a nut sleeve and a fastening bolt, the nut sleeve is fixedly inserted and connected to the bottom of the front face of the other support plate, the fastening bolt is in threaded connection with the inner wall of the nut sleeve, and one end of the fastening bolt penetrates through the nut sleeve and is attached to one side of the slide rail.

Preferably, the cross section of slide rail is the T type, just one end of slide rail is fixed with one side of one of them backup pad, one side fixedly connected with limiting plate on slide rail top.

Preferably, a plurality of wear strips are fixedly connected to the opposite sides of the first clamping plate and the second clamping plate at intervals.

Preferably, the equal fixedly connected with support column, and four of corner department of bottom plate bottom the bottom fixedly connected with backing plate of support column.

The utility model discloses a technological effect and advantage:

1. the utility model can drive the second clamp plate to move to one side of the first clamp plate to clamp and position the flywheel or the connecting rod of the crankshaft by utilizing the arrangement of the screw rod, the nut seat and the rotating handle, thereby realizing the quick positioning and fixing of the crankshaft, improving the efficiency and the quality of crankshaft installation and reducing the labor intensity of operators;

2. the utility model discloses utilize slide rail, nut cover and fastening bolt's setting can adjust the distance between two backup pads to be convenient for install not unidimensional bent axle, improved the universality that positioner used.

Drawings

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

Fig. 2 is the schematic view of the sectional structure of the side of the supporting plate of the present invention.

Fig. 3 is a schematic view of a part of an enlarged structure of fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a first splint; 4. a second splint; 5. a strip-shaped cavity; 6. a screw rod; 7. a nut seat; 8. a handle is rotated; 9. wear resistant strips; 10. a slide rail; 11. a nut sleeve; 12. fastening a bolt; 13. a limiting plate; 14. a support pillar; 15. a backing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an axial positioning device for crankshaft installation as shown in figures 1-3, which comprises a bottom plate 1, wherein two support plates 2 are symmetrically arranged at the top end of the bottom plate 1, which play a bearing role to keep a first height difference between a first clamping plate 3 and a second clamping plate 4 and the bottom plate 1, thereby facilitating the suspension positioning of the crankshaft, the two support plates 2 are sequentially provided with the first clamping plate 3 and the second clamping plate 4, the first clamping plate 3 is fixedly connected with the support plates 2, one sides of the first clamping plate 3 opposite to the second clamping plate 4 are fixedly connected with a plurality of wear-resistant strips 9 at intervals, the friction force between the first clamping plate 3 and the second clamping plate 4 and the crankshaft is increased, thereby improving the fixed strength of the crankshaft, the top parts of the two support plates 2 are provided with strip-shaped cavities 5, the middle parts of the strip-shaped cavities 5 are rotatably connected with lead screws 6, the outer walls of the lead screws 6 are rotatably connected, the top end of the nut seat 7 is fixedly connected with a fixed block, the top end of the fixed block passes through a strip-shaped through hole arranged at the top end of the supporting plate 2 and is fixedly connected with the bottom end of the second clamping plate 4, the nut seat 7 is transversely moved by utilizing the rotation of the screw rod 6, so that the second clamping plate 4 is conveniently driven to be close to or far away from the first clamping plate 3, the clamping fixation or the loosening of the crankshaft is realized, and one end of the screw rod 6 penetrates through one side of the supporting plate 2 and is fixedly connected with a rotating handle 8, so that an operator.

Wherein one of them backup pad 2 and 1 fixed connection of bottom plate, wherein the bottom slip joint of another backup pad 2 has slide rail 10, and the top fixed connection of slide rail 10 and bottom plate 1 utilizes wherein another backup pad 2 and slide rail 10 slip joint, is convenient for adjust the distance between two backup pads 2 to fix not unidimensional bent axle, wherein the bottom of another backup pad 2 is equipped with locking mechanism.

The locking mechanism comprises a nut sleeve 11 and a fastening bolt 12, the nut sleeve 11 is fixedly inserted and connected to the bottom of the front face of the other support plate 2, the fastening bolt 12 is in threaded connection with the inner wall of the nut sleeve 11, one end of the fastening bolt 12 penetrates through the nut sleeve 11 to be attached to one side of the slide rail 10, one end of the fastening bolt 12 penetrates through the nut sleeve 11 to be in contact with and extruded by the side wall of the slide rail 10 by rotating the fastening bolt 12, the position of the support plate 2 on the slide rail 10 is fixed, the cross section of the slide rail 10 is T-shaped, the support plate 2 and the slide rail 10 can be kept in sliding clamping connection by utilizing the T-shaped shape of the slide rail 10, one end of the slide rail 10 is fixed to one side of one support plate 2, one side of the top end of the slide rail 10 is fixedly connected with a.

Equal fixedly connected with support column 14 in edge of 1 bottom of bottom plate for the support of bottom plate 1 is fixed, and the bottom fixedly connected with backing plate 15 of four support columns 14, the lifting surface area of increase support column 14, thereby the stability that the increase support column 14 supported.

This practical theory of operation: putting a connecting rod or a flywheel on a crankshaft between a first clamping plate 3 and a second clamping plate 4, then clockwise rotating a rotating handle 8 to enable the rotating handle 8 to drive a screw rod 6 to clockwise rotate, driving the second clamping plate 4 to move towards the first clamping plate 3 by a nut seat 7, then clamping and fixing the connecting rod or the flywheel of the crankshaft by using wear-resistant strips 9 on the first clamping plate 3 and the second clamping plate 4, thereby enabling the crankshaft to be horizontally fixed between two supporting plates 2, when a crankshaft with a short size or a long size is processed, firstly anticlockwise rotating a fastening bolt 12 by an operator to enable the supporting plates 2 and a sliding rail 10 to be loosened, then manually sliding the supporting plates 2 to enable the two supporting plates 2 to be positioned at the two end parts of the crankshaft, then manually clockwise rotating the fastening bolt 12 to enable one end of the fastening bolt 12 to pass through a nut sleeve 11 and extrude the side wall of the sliding rail 10, thereby keeping the relative fixation between the supporting plates 2 and the, so that first splint 3 and second splint 4 can fix a position the both ends position of bent axle on two backup pads 2, improve the stability to the bent axle location.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An axial positioning device for crankshaft mounting, comprising a bottom plate (1), characterized in that: the top symmetry of bottom plate (1) is equipped with two backup pads (2), two backup pad (2) are equipped with first splint (3) and second splint (4) in proper order, just first splint (3) and backup pad (2) fixed connection, two bar-shaped chamber (5) have been seted up at the top of backup pad (2), the middle part of bar-shaped chamber (5) is rotated and is connected with lead screw (6), the outer wall of lead screw (6) is rotated and is connected with nut seat (7), the top fixed connection fixed block of nut seat (7), the bottom fixed connection of bar-shaped through-hole and second splint (4) that backup pad (2) top was seted up is passed on the top of fixed block, one side fixedly connected with turning handle (8) of backup pad (2) are run through to the one end of lead screw (6).

2. An axial positioning device for crankshaft mounting as claimed in claim 1, wherein: one of them backup pad (2) and bottom plate (1) fixed connection, wherein another the bottom sliding clamping of backup pad (2) has slide rail (10), just slide rail (10) and the top fixed connection of bottom plate (1), wherein another the bottom of backup pad (2) is equipped with locking mechanism.

3. An axial positioning device for crankshaft mounting as claimed in claim 2, wherein: the locking mechanism comprises a nut sleeve (11) and a fastening bolt (12), the nut sleeve (11) is fixedly inserted and connected to the bottom of the front face of the other supporting plate (2), the fastening bolt (12) is in threaded connection with the inner wall of the nut sleeve (11), and one end of the fastening bolt (12) penetrates through the nut sleeve (11) and is attached to one side of the sliding rail (10).

4. An axial positioning device for crankshaft mounting as claimed in claim 2, wherein: the cross section of slide rail (10) is the T type, just one end of slide rail (10) is fixed with one side of one of them backup pad (2), one side fixedly connected with limiting plate (13) on slide rail (10) top.

5. An axial positioning device for crankshaft mounting as claimed in claim 1, wherein: and a plurality of wear-resistant strips (9) are fixedly connected to one opposite sides of the first clamping plate (3) and the second clamping plate (4) at intervals.

6. An axial positioning device for crankshaft mounting as claimed in claim 1, wherein: equal fixedly connected with support column (14) in the edge of bottom plate (1) bottom, and four the bottom fixedly connected with backing plate (15) of support column (14).