CN220373213U - Turnover tool for assembling gearbox - Google Patents

Abstract

Gearbox assembly is with upset frock, including the chassis of taking the walking wheel, its characterized in that: the turnover frame comprises a support bracket which is arranged on the bottom frame in a turnover way and a clamping piece which is arranged on the top of the support bracket, the support bracket is connected with the hand wheel reduction box and turns along with the rotation of the hand wheel reduction box, and the gearbox is positioned on the support bracket and clamped by the clamping piece and turns synchronously along with the turnover frame. According to the utility model, the overturning frame is driven to overturn by the hand wheel reduction box to realize overturning displacement of the gearbox, so that the overturning displacement operation of the gearbox is simple, the assembly efficiency of the gearbox can be effectively improved, the labor intensity in the assembly process of the gearbox is reduced, the gearbox is ensured to be reliably clamped on a tool, and the overturning safety is improved.

Description

Turnover tool for assembling gearbox

Technical Field

The utility model relates to a turnover tool for assembling a gearbox, and belongs to the technical field of gearbox assembly.

Background

The gearbox is an automobile part used for changing the rotating speed and the torque from an engine and can fix or step by step to change the transmission ratio of an output shaft and an input shaft; when the parts in the gearbox are assembled in the shell of the gearbox, the lower shell of the gearbox is installed on an assembly tool to be positioned, then the middle shaft assembly is assembled in the lower shell, then the upper shell and the lower shell are assembled to form the gearbox, then the gearbox is supported to be vertical by the tool, and then the front input shaft assembly and the rear output shaft assembly are assembled in the gearbox to ensure that the front input shaft and the rear output shaft are assembled in the gearbox under the condition of being coaxially aligned with corresponding assembly holes, the gearbox is required to be adjusted 180 degrees after the front input shaft assembly is assembled, then the rear output shaft assembly is assembled, the gearbox needs to be overturned and shifted several times in the assembly process, and the gearbox is time-consuming and labor-consuming in heavy overturning and has potential safety hazards. The purpose of this scheme is to develop a convenient gearbox upset, improves gearbox assembly efficiency and security, reduces gearbox assembly intensity of labour's frock.

Disclosure of Invention

According to the turnover tool for assembling the gearbox, the turnover frame is driven to turn through the hand wheel reduction gearbox to realize turnover displacement of the gearbox, the turnover displacement operation of the gearbox is simple, the assembly efficiency of the gearbox can be effectively improved, the labor intensity in the assembly process of the gearbox is reduced, the gearbox is ensured to be reliably clamped on the tool, and the turnover safety is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

gearbox assembly is with upset frock, including the chassis of taking the walking wheel, its characterized in that: the turnover frame comprises a support bracket which is arranged on the bottom frame in a turnover way and a clamping piece which is arranged on the top of the support bracket, the support bracket is connected with the hand wheel reduction box and turns along with the rotation of the hand wheel reduction box, and the gearbox is positioned on the support bracket and clamped by the clamping piece and turns synchronously along with the turnover frame.

Preferably, the two sides of the support bracket are respectively provided with a rotating shaft, the rotating shafts are provided with bearings in a press-fit manner, the underframe is provided with bearing seats assembled with the bearings, and the rotating shaft on one side of the support bracket penetrates through the bearing seats to be connected with the output end of the hand wheel reduction gearbox.

Preferably, the support bracket comprises a support plate horizontally arranged and side plates vertically fixed at two ends of the support plate, the rotating shaft is arranged on the side plates, and the support plate is provided with a limit seat matched with the lower gearbox shell and a locating pin for locating the lower gearbox shell, and the locating pin extends into a pin hole in the lower gearbox shell.

Preferably, the bearing plate is also provided with a hollow positioning column corresponding to the screw hole on the lower shell of the gearbox, and the bolt passes through the bearing plate and the hollow positioning column and is screwed into the screw hole on the lower shell of the gearbox.

Preferably, the limiting hand bolt is located beside the side plate and comprises a bolt cylinder which is arranged on the bottom frame and horizontally and a movable bolt which is movably assembled with the bolt cylinder and is in a T shape, an L-shaped hole which is used for the movable bolt to move and can position the movable bolt is formed in the bolt cylinder, a positioning through hole corresponding to the movable bolt is formed in the side plate which is close to the limiting hand bolt, and the movable bolt extends into the positioning through hole and is positioned by the L-shaped hole so as to limit the overturning angle of the overturning frame.

Preferably, the clamping piece comprises two profiling arms which are in profiling contact with the upper shell of the gearbox and a connecting rod which is connected with the two profiling arms, the two profiling arms are arranged in parallel, one end of each profiling arm is hinged with one side plate, and the other end of each profiling arm is connected with the other side plate through a bolt, so that the gearbox is clamped between the clamping piece and the support bracket.

The beneficial effects of the utility model are as follows:

according to the turnover tool for assembling the gearbox, the turnover frame is arranged on the bottom frame, the turnover frame is driven to turn through the hand wheel speed reduction box, the turnover angle of the turnover frame is limited through the limiting hand bolt, the lower shell of the gearbox is positioned on the support bracket firstly when the gearbox is assembled, then the middle shaft assembly is assembled into the lower shell, then the upper shell and the lower shell of the gearbox are assembled in a butt joint mode to form the gearbox, then the gearbox is clamped on the turnover frame through the clamping piece, at the moment, the gearbox is horizontally arranged on the turnover frame, the turnover frame is driven to turn through the hand wheel speed reduction box by hand, the front input shaft assembly is hoisted into the gearbox, the turnover frame is turned 180 degrees after the front input shaft assembly is assembled in place, the gearbox is assembled up and down, the rear input shaft assembly is assembled, the turnover frame is driven to turn through the speed reduction box in the assembling process, the turnover position of the gearbox is realized through the turnover frame, the turnover operation of the gearbox is simple, the assembly efficiency of the gearbox can be effectively improved, and the labor intensity in the assembling process of the gearbox is reduced.

The spacing seat on the support bracket cooperates spacing with the lower shell of the gearbox, the locating pin and the hollow locating column locate the lower shell of the gearbox, and the profiling arm in the clamping piece forms profiling contact clamping to the upper shell of the gearbox, so that the gearbox is reliably clamped on the tool, and the overturning safety is improved.

Drawings

Fig. 1 is a schematic diagram of a turnover tool for assembling a gearbox in an embodiment.

Fig. 2 is a front view of a turnover tool for assembling a gearbox.

Fig. 3 is a partially enlarged schematic view of a turnover tool for assembling a gearbox.

Detailed Description

Embodiments of the present utility model are described in detail below with reference to fig. 1 to 3.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

gearbox assembly is with upset frock, including taking chassis 1 of walking wheel, its characterized in that: the turnover frame 2 comprises a turnover frame 2, a hand wheel reduction box 3 driving the turnover frame 2 to turn over on the bottom frame 1 and a limiting hand bolt 4 limiting the turnover angle of the turnover frame 2, wherein the turnover frame 2 comprises a turnover support bracket 5 arranged on the bottom frame 1 and a clamping piece 6 arranged on the top of the support bracket, the support bracket 5 is connected with the hand wheel reduction box 2 and turns over along with the rotation of the hand wheel reduction box 5, and the gearbox is positioned on the support bracket 5 and clamped by the clamping piece 6 and turns over synchronously along with the turnover frame 2.

According to the overturning tool for assembling the gearbox, the overturning frame 2 is installed on the underframe 1, the overturning frame 2 is driven to overturn through the hand wheel reduction box 3, the overturning angle of the overturning frame 2 is limited through the limiting hand bolt 4, the lower gearbox shell is positioned on the support bracket 5 when the gearbox is assembled, the middle shaft assembly is assembled into the lower shell, the upper gearbox shell and the lower gearbox are assembled in a butt joint mode to form the gearbox, the gearbox is clamped on the overturning frame 2 through the clamping piece 6, at the moment, the gearbox is horizontally arranged on the overturning frame 2, the overturning frame 2 is driven to overturn through the hand wheel reduction box 3 to enable the gearbox to be in an upright state through manual rotation, the front input shaft assembly is hoisted into the gearbox, the overturning frame 2 is overturned for 180 degrees after the front input shaft assembly is assembled, the gearbox is adjusted up and down, the overturning of the gearbox is achieved through the reduction box 3 in the assembling process, the overturning operation of the overturning frame 2 is simple, the overturning labor of the gearbox can be improved, and the assembling efficiency of the gearbox can be effectively improved, and the strength of the gearbox in the assembling process can be reduced.

The two sides of the support bracket 5 are respectively provided with a rotating shaft 51, the rotating shafts 51 are provided with bearings in a press fit mode, the underframe 1 is provided with a bearing seat 11 assembled with the bearings, and the rotating shaft 51 on one side of the support bracket 5 penetrates through the bearing seat 11 to be connected with the output end of the hand wheel reduction gearbox 2. The bearing on the rotation shaft 51 is assembled with the bearing seat 11, the hand wheel reduction gearbox 2 is a worm gear reduction gearbox common in the prior art, the worm is driven to rotate through the hand wheel, the rotation shaft 51 on one side of the support bracket is connected with the worm gear and synchronously rotates along with the worm gear to drive the support bracket 5 to overturn, the bearing seat 11 supports the whole overturning frame 2, and the overturning smoothness of the overturning frame 2 is ensured by being matched with the bearing. In practical application, the central axis of the rotating shaft 51 is adjusted to be horizontally aligned with the gravity center position of the gearbox clamped on the roll-over stand 2, so that the roll-over process is more labor-saving.

The supporting bracket 5 comprises a supporting plate 52 which is horizontally arranged and side plates 53 which are vertically fixed at two ends of the supporting plate 52, a rotating shaft 51 is arranged on the side plates 53, a limiting seat 54 which is matched with the lower gearbox shell and a locating pin 55 which is used for locating the lower gearbox shell are arranged on the supporting plate 52, and the locating pin 55 extends into a pin hole on the lower gearbox shell. The spacing seat 54 cooperates with the gearbox lower casing, carries out spacingly to the position of gearbox lower casing on the support plate 52, stretches into the pinhole of gearbox lower casing with locating pin 55 simultaneously, carries out the position direction to the placing of gearbox lower casing on the support plate 52, guarantees that the gearbox lower casing is accurate to be placed on the support plate 52 and is effectively spacing, can not take place relative lateral movement on the support plate 52.

The bearing plate 52 is also provided with a hollow positioning column 56 corresponding to the screw hole on the lower shell of the gearbox, and the bolt passes through the bearing plate 52 and the hollow positioning column 56 to be screwed into the screw hole on the lower shell of the gearbox. When the lower gearbox shell is placed on the supporting plate 52, the hollow positioning column 56 just can be in butt joint with the screw hole on the lower gearbox shell, and at the moment, bolts penetrate through the supporting plate 52 and the hollow positioning column 56 from bottom to top and are screwed into the screw hole on the lower gearbox shell, the lower gearbox shell is further positioned on the supporting plate 52 through the bolts, and the supporting plate 52 is effectively prevented from being separated from the lower gearbox shell in the overturning process.

The limiting hand bolt 4 is located beside the side plate 53 and comprises a bolt cylinder 41 which is arranged on the chassis 1 and horizontally and a movable bolt 42 which is movably matched with the bolt cylinder 41 and is in a T shape, an L-shaped hole 411 which is used for the movable bolt 42 to move and can be used for positioning the movable bolt is formed in the bolt cylinder 41, a positioning through hole 531 corresponding to the movable bolt 42 is formed in the side plate 53 which is close to the limiting hand bolt 4, and the movable bolt 42 extends into the positioning through hole 531 and is positioned by the L-shaped hole 411 so as to limit the overturning angle of the overturning frame 2. As shown in the drawing, the movable bolt 42 in the limiting hand bolt 4 can horizontally move in the bolt cylinder 41, when the turnover frame 2 is turned over to align one positioning through hole 531 on the turnover frame 2 with the movable bolt 42, the movable bolt 42 is pushed forward to extend into the positioning through hole 531, then the movable bolt 42 swings a certain angle to limit the movable bolt 42 in the L-shaped hole 411 and can not move any more, at the moment, the turnover frame 2 is limited by the movable bolt 42, if the turnover frame 2 is required to be turned over continuously, only the movable bolt 42 is required to be retreated to be separated from the positioning through hole 531, the limiting hand bolt 4 can effectively position the turnover frame 2 when the turnover frame 2 is turned to a required direction, the reliability of assembly operation is improved, and a plurality of positioning through holes 531 are formed in the side plate 53 according to the required turnover angle of the gearbox.

Preferably, the clamping member 6 comprises two profiling arms 61 which are in profiling contact with the upper shell of the gearbox and a connecting rod 62 which is used for connecting the two profiling arms 61, the two profiling arms 61 are arranged in parallel, one end of each profiling arm 61 is hinged with one side plate 53, the other end of each profiling arm is connected with the other side plate 53 through a bolt, and the gearbox is clamped between the clamping member 6 and the supporting bracket 5. The profiling arm 6 is matched with the shape of the outer surface of the upper shell of the transmission in a profiling way, after the profiling arm 6 is connected with the side plate 53 through a bolt, the transmission is effectively clamped, positioning reliability of the transmission in the overturning process is guaranteed, the limiting seat 54 on the support bracket 5 is matched with the lower shell of the transmission to limit, the lower shell of the transmission is positioned by the positioning pin 55 and the hollow positioning column 56, the profiling arm 61 in the clamping piece 6 forms profiling contact clamping on the upper shell of the transmission, the transmission is reliably clamped on a tool, and overturning safety is improved.

The foregoing disclosure of embodiments of the present utility model has been fully described with reference to the accompanying drawings, in which it is to be understood that the embodiments described are merely some of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (6)

1. Gearbox assembly is with upset frock, including the chassis of taking the walking wheel, its characterized in that: the turnover frame comprises a support bracket which is arranged on the bottom frame in a turnover way and a clamping piece which is arranged on the top of the support bracket, the support bracket is connected with the hand wheel reduction box and turns along with the rotation of the hand wheel reduction box, and the gearbox is positioned on the support bracket and clamped by the clamping piece and turns synchronously along with the turnover frame.

2. The turnover fixture for assembling a gearbox according to claim 1, wherein: the two sides of the support bracket are respectively provided with a rotating shaft, the rotating shafts are provided with bearings in a press fit mode, the underframe is provided with bearing seats assembled with the bearings, and the rotating shaft on one side of the support bracket penetrates through the bearing seats to be connected with the output end of the hand wheel reduction gearbox.

3. The turnover fixture for assembling a gearbox according to claim 1, wherein: the support bracket comprises a support plate which is horizontally arranged and side plates which are vertically fixed at two ends of the support plate, the rotating shaft is arranged on the side plates, and the support plate is provided with a limit seat which is matched with the lower shell of the gearbox and a locating pin which is used for locating the lower shell of the gearbox, and the locating pin extends into a pin hole on the lower shell of the gearbox.

4. The turnover fixture for assembling a gearbox according to claim 3, wherein: the bearing plate is also provided with a hollow positioning column corresponding to the screw hole on the lower shell of the gearbox, and the bolt passes through the bearing plate and the hollow positioning column and is screwed into the screw hole on the lower shell of the gearbox.

5. The turnover fixture for assembling a gearbox according to claim 3, wherein: the limiting hand bolt is positioned beside the side plate and comprises a bolt cylinder which is arranged on the bottom frame and horizontally and a movable bolt which is movably matched with the bolt cylinder and is in a T shape, the bolt cylinder is provided with an L-shaped hole which is used for the movement of the movable bolt and can position the movable bolt, the side plate which is close to the limiting hand bolt is provided with a positioning through hole which corresponds to the movable bolt, and the movable bolt stretches into the positioning through hole and is positioned by the L-shaped hole so as to limit the overturning angle of the overturning frame.

6. The turnover fixture for assembling a gearbox according to claim 5, wherein: the clamping piece comprises two profiling arms in profiling contact with the upper shell of the gearbox and a connecting rod connected with the two profiling arms, the two profiling arms are arranged in parallel, one end of each profiling arm is hinged with one side plate, the other end of each profiling arm is connected with the other side plate through a bolt, and the gearbox is clamped between the clamping piece and the support bracket.