CN214870080U

CN214870080U - Intermediate shaft assembly press-fitting clamp

Info

Publication number: CN214870080U
Application number: CN202023303065.3U
Authority: CN
Inventors: 郭耀龙; 曾忠红; 杨芳; 李健; 付成略
Original assignee: Chongqing Landai Transmission Machinery Co ltd
Current assignee: Chongqing Landai Transmission Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-26
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a jackshaft assembly pressure equipment anchor clamps, include: the upper footstock of footstock and interval setting directly over the footstock down is provided with circular cone top respectively from top to bottom, and the pressure equipment has the spring between upper and lower footstock and the circular cone top, and two circular cone tops are at the tight jackshaft in elastic action top, and with the outer peripheral face location of footstock cooperation apical axis down from the hole of driving wheel, can ensure like this that the jackshaft is qualified with the axiality from the driving wheel after the pressure equipment is accomplished, and the setting of two circular cone tops can ensure that the jackshaft can not swing at the process of pressure equipment. The setting of spring makes pressure can not act on the jackshaft through the circular cone top, when guaranteeing guiding orientation, has avoided crushing the work piece.

Description

Intermediate shaft assembly press-fitting clamp

Technical Field

The utility model relates to an anchor clamps technical field, specific theory relates to a jackshaft assembly pressure equipment anchor clamps.

Background

The intermediate shaft and the driven wheels are parts in the gearbox. The jackshaft is the gear shaft, and its is whole long and thin, and jackshaft one end is provided with the tooth, sets up the spline on the jackshaft middle section and is connected with the spline fit that sets up from the driving wheel hole, need be in the same place both pressure equipments before the use, will install on the jackshaft middle section from the driving wheel through spline fit. In order to meet the requirement of accurate transmission, the coaxiality of the intermediate shaft and the driven wheel needs to be ensured in the press fitting process.

The existing assembly mode is mainly characterized in that splines on two parts are matched with each other for positioning, a driven wheel is horizontally placed, then an intermediate shaft part is inserted into an inner hole of the driven wheel, the upper end part of an intermediate shaft is pressed down after adjustment, and connection is completed. During the press mounting process, the intermediate shaft swings, and the coaxiality of the two parts after press mounting is difficult to ensure to be qualified.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: the pressing clamp for the intermediate shaft assembly is used for conveniently, quickly and efficiently connecting the intermediate shaft and the driven wheel, preventing the intermediate shaft from swinging in the pressing process and ensuring that the coaxiality of the intermediate shaft and the driven wheel meets the assembly requirement.

In order to realize the purpose, the utility model discloses a technical scheme be:

a jackshaft assembly pressure equipment anchor clamps includes:

the lower top seat comprises a base and a top shaft I, the base is horizontally arranged, the upper end surface of the base is a horizontal end positioning surface, the top shaft I is in sliding fit with a guide hole I which is vertically and downwardly arranged on the end positioning surface, an elastic piece I which provides the top shaft I to vertically slide and extend out of the end positioning surface is arranged between the top shaft I and the bottom of the base, the cylindrical outer peripheral surface of the top shaft I extending out of the end positioning surface forms an inner hole positioning surface, a conical top head I is coaxially arranged at the upper end of the top shaft I, and the diameter of the bottom surface of the conical top head I is smaller than or equal to that of the top shaft I;

the upper top seat is arranged right above the lower top seat at intervals and comprises a gland and a top shaft II, the gland is vertically arranged downwards, the lower end of the gland is a pressing end, the lower end of the gland is upwards provided with a groove, the bottom of the groove is provided with a vertical guide hole II, the top shaft II is vertically matched in the guide hole II in a sliding way, the upper end of the top shaft II is provided with a limiting bulge along the radial direction, the limiting bulge is abutted and limited with the bottom of a containing hole arranged above the guide hole II, an elastic part II for pressing the jacking shaft II on the gland is arranged between the upper end of the jacking shaft II and the top of the gland, the lower end of the jacking shaft II is coaxially provided with a conical jacking head II, the diameter of the bottom surface of the conical jacking head II is smaller than or equal to that of the jacking shaft II, and the jacking shaft I and the jacking shaft II are coaxially arranged.

Like this, will place on the footstock from the driving wheel down, axial positioning is accomplished with the laminating of driven wheel side end face to the tip locating surface, and the apical axis stretches into and accomplishes the hole location in the spline hole from the driving wheel. And then vertically downwards installing one end of the middle shaft, which is not provided with teeth, into a driven wheel inner hole, enabling the conical top head I of the top shaft I to prop against a middle shaft end face hole, then installing the upper top seat, enabling the groove of the upper top seat to accommodate the upper shaft end of the middle shaft, enabling the conical top head II of the top shaft II to prop against the upper end face hole of the middle shaft, completing axial positioning on the middle shaft through the two conical top heads, and completing axial positioning on a driven wheel through the conical surface of the conical top head II. Like this in the whole pressure equipment process, the jackshaft is in the tight state in centre gripping top all the time, has avoided rocking to the axis of follow driving wheel is fixed a position to the outer peripheral face of jackshaft I makes it coincide with I axis of jackshaft, uses through the cooperation of circular cone top I and circular cone top II and ensures that the jackshaft axis realizes with follow driving wheel axis coincidence, ensures that two parts axiality is up to standard after the assembly is accomplished. Simultaneously, the elastic piece I and the elastic piece II are arranged so that the jacking shaft I and the jacking shaft 2 can move downwards along with the press fitting process, and the jacking shaft I and the jacking shaft 2 are guaranteed to always jack the middle shaft while yielding is realized. The setting of elastic component II has guaranteed that the pressure that the process of pushing down was applyed can not directly be applyed the jackshaft through conical point II on, avoids haring the jackshaft.

As preferred, the base includes the bottom plate that the level set up, and parallel interval is fixed to be set up the mounting panel of bottom plate top, the upper surface of mounting panel constitutes the tip locating surface, I vertical running through of guiding hole the mounting panel, the lower part of apical axis I is along radially outwards being provided with the spacing ring, the upper surface of spacing ring with the mounting panel lower surface laminating is spacing, elastic component I is the spring, elastic component I cup joint hypomere and both ends at apical axis I respectively with the bottom plate with the spacing ring offsets, elastic component I will apical axis I compresses tightly on the mounting panel.

Therefore, the structure of the base is specifically disclosed, the bottom plate and the mounting plate are convenient to process respectively, and the bottom plate and the mounting plate are convenient to be connected through bolts after being processed. The elastic piece I ensures that the jacking shaft I has enough yielding space in the pressing process, and meanwhile, the continuous jacking of the middle shaft is ensured.

Preferably, the middle part of the guide hole I is provided with an annular groove outwards along the radial direction.

Therefore, the arrangement of the annular groove can reduce the processing amount of the matching part of the inner peripheral surface of the guide hole I and reduce the processing cost.

Preferably, the gland comprises a horizontal pressing plate and a cover body arranged below the pressing plate, the pressing plate is connected with the cover body through a bolt, the second top shaft is vertically matched with the cover body in a sliding mode, the second elastic part is a spring, and two ends of the second elastic part are respectively abutted to the pressing plate and the bottom of the second top shaft.

In this way, the provision of the pressure plate facilitates the application of pressure by a human or machine. The gland sets up convenient processing alone, realizes dismantling through the bolt.

Preferably, the vertex angles of the conical top head I and the conical top head II are both 45-60 degrees.

Therefore, the inner hole can be effectively tightly propped by the arrangement of the angle, and the connection is ensured to be effective.

Drawings

Fig. 1 is a schematic structural view of a pressing and mounting fixture for a middle shaft assembly in a use state, which is disclosed by an embodiment of the present invention, and the middle shaft and a driven wheel are in an uninstalled state.

The labels in the figure are: the device comprises a base 1, a bottom plate 101, a mounting plate 102, a ring groove 1021, a top shaft I2, a conical top head I201, an elastic part I3, a gland 4, a pressing plate 401, a cover body 402, a top shaft II 5, a conical top head II 501, an elastic part II 6, an intermediate shaft 7 and a driven wheel 8.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1, the utility model discloses a jackshaft assembly pressure equipment anchor clamps, include: the lower top seat comprises a base 1 and a top shaft I2, the base 1 is horizontally arranged, the upper end face of the base 1 is a horizontal end positioning face, the top shaft I2 is in sliding fit with a guide hole I which is vertically and downwards arranged on the end positioning face, an elastic piece I3 which provides the top shaft I2 to vertically slide and extend out of the end positioning face is arranged between the top shaft I2 and the bottom of the base 1, the columnar outer peripheral face of the top shaft I2 extending out of the end positioning face forms an inner hole positioning face, a conical top head I201 is coaxially arranged at the upper end of the top shaft I2, and the diameter of the bottom face of the conical top head I201 is smaller than or equal to the diameter of the top shaft I2; go up the footstock, go up the footstock interval and set up under the footstock directly over, go up the footstock and include gland 4 and apical axis II 5, the vertical downward setting of gland 4, the lower extreme of gland 4 is for supporting the pressure end, the lower extreme of gland 4 upwards is provided with the recess, the recess bottom is provided with vertical guiding hole II, the vertical sliding fit of apical axis II 5 is in guiding hole II, the upper end of apical axis II 5 is provided with spacing arch along radial outside, spacing arch is spacing with the accommodation hole bottom butt that sets up in guiding hole II top, be provided with between the upper end of apical axis II 5 and the gland 4 top and compress tightly II 6 of elastic component on gland 4 with apical axis II 5, the lower extreme coaxial cone top II 501 that is provided with of apical axis II, the diameter of the bottom surface of cone top II 501 is little and or equal to the diameter of apical axis II 5, apical axis I2 and the coaxial setting of apical axis II 5.

In this embodiment, base 1 includes the bottom plate 101 that the level set up, the fixed mounting panel 102 that sets up in bottom plate 101 top in parallel interval, the upper surface of mounting panel 102 constitutes the tip locating surface, the vertical mounting panel 102 that runs through of guiding hole I, the lower part of apical axis I2 is provided with the spacing ring along radial outside, the upper surface and the mounting panel 102 lower surface laminating of spacing ring are spacing, elastic component I3 is the spring, elastic component I3 cup joints the hypomere and both ends at apical axis I2 and offsets with bottom plate 101 and spacing ring respectively, elastic component I3 compresses tightly apical axis I2 on mounting panel 102.

Preferably, the middle portion of the guide hole i is provided with a ring groove 1021 radially outward.

In this embodiment, the pressing cover 4 includes a pressing plate 401 and a cover 402 disposed below the pressing plate 401, the pressing plate 401 is connected to the cover 402 via a bolt, the second top shaft 5 is vertically slidably fitted on the cover 402, the second elastic member 6 is a spring, and two ends of the second elastic member 6 respectively abut against the bottoms of the pressing plate 401 and the second top shaft 5.

In the embodiment, the vertex angles of the conical top I201 and the conical top II 501 are both 45-60 degrees.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an intermediate shaft assembly pressure equipment anchor clamps which characterized in that includes:

the lower top seat comprises a base (1) and a top shaft I (2), the base (1) is horizontally arranged, the upper end face of the base (1) is a horizontal end positioning face, the top shaft I (2) is in sliding fit with a guide hole I which is vertically and downwardly arranged on the end positioning face, an elastic piece I (3) which provides the top shaft I (2) to vertically slide and extend out of the end positioning face is arranged between the top shaft I (2) and the bottom of the base (1), the cylindrical outer peripheral face of the top shaft I (2) extending out of the end positioning face forms an inner hole positioning face, a conical top head I (201) is coaxially arranged at the upper end of the top shaft I (2), and the diameter of the bottom face of the conical top head I (201) is smaller than or equal to that of the top shaft I (2);

the upper footstock is arranged right above the lower footstock at intervals and comprises a gland (4) and a top shaft II (5), the gland (4) is vertically arranged downwards, the lower end of the gland (4) is a pressing end, a groove is upwards formed in the lower end of the gland (4), a vertical guide hole II is formed in the bottom of the groove, the top shaft II (5) is vertically and slidably matched in the guide hole II, a limiting bulge is radially outwards arranged at the upper end of the top shaft II (5), the limiting bulge is limited in abutting connection with the bottom of a containing hole formed in the upper portion of the guide hole II, an elastic piece II (6) used for pressing the top shaft II (5) on the gland (4) is arranged between the upper end of the top shaft II (5) and the top of the gland (4), and a conical top head II (501) is coaxially arranged at the lower end of the top shaft II (5), the diameter of the bottom surface of the conical plug II (501) is smaller than or equal to that of the jacking shaft II (5), and the jacking shaft I (2) and the jacking shaft II (5) are coaxially arranged.

2. The intermediate shaft assembly press-fitting fixture as claimed in claim 1, wherein the base (1) comprises a horizontally arranged bottom plate (101), and a mounting plate (102) fixedly arranged above the bottom plate (101) in parallel at intervals, the upper surface of the mounting plate (102) forms the end positioning surface, the guide hole i vertically penetrates through the mounting plate (102), a limiting ring is arranged at the lower part of the top shaft i (2) radially outwards, the upper surface of the limiting ring is attached to the lower surface of the mounting plate (102) for limiting, the elastic member i (3) is a spring, the elastic member i (3) is sleeved on the lower section of the top shaft i (2), two ends of the elastic member i (3) respectively abut against the bottom plate (101) and the limiting ring, and the elastic member i (3) presses the top shaft i (2) against the mounting plate (102).

3. The intermediate shaft assembly press-fitting jig as set forth in claim 1, wherein a ring groove (1021) is provided radially outwardly in the middle of the guide hole i.

4. The intermediate shaft assembly press-fitting clamp according to claim 1, wherein the gland (4) comprises a horizontally arranged pressing plate (401) and a cover body (402) arranged below the pressing plate (401), the pressing plate (401) and the cover body (402) are connected through a bolt, the top shaft II (5) is vertically and slidably matched on the cover body (402), the elastic member II (6) is a spring, and two ends of the elastic member II (6) are respectively abutted to the bottoms of the pressing plate (401) and the top shaft II (5).

5. The intermediate shaft assembly press-fitting clamp as claimed in claim 1, wherein the vertex angles of the conical top head I (201) and the conical top head II (501) are both 45 degrees to 60 degrees.