CN214146492U

CN214146492U - Low-speed automobile engineering gearbox

Info

Publication number: CN214146492U
Application number: CN202022467679.9U
Authority: CN
Inventors: 闫亮; 黎桂雄
Original assignee: Dongguan Technician College (dongguan Senior Technical School)
Current assignee: Dongguan Technician College (dongguan Senior Technical School)
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-09-07
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a low-speed automotive engineering gearbox, including gearbox casing, lower extreme base and upper end base, its characterized in that: the fixed welding of gearbox casing lower extreme has first support frame, the fixed first fixed bolster that is equipped with of first support frame lower extreme, the welding of gearbox casing upper end has the second support frame, second support frame upper end is connected with the stay tube through swivel bearing, and the stay tube rotates around the second support frame under swivel bearing's effect, be connected with the lead screw through thread engagement in the stay tube, the utility model relates to a low-speed automobile engineering gearbox plays fixing role to fixing bolt through the hexagon socket head hole in the backup pad, and the connection of upper end base and second fixed bolster and the connection of lower extreme base and first fixed bolster increase holistic stability can, and dismantles simple to operate, improves work efficiency simultaneously.

Description

Low-speed automobile engineering gearbox

Technical Field

The utility model relates to a low-speed automotive engineering gearbox technical field specifically is a low-speed automotive engineering gearbox.

Background

Current low-speed automotive engineering gearbox generally passes the screw through the bolt and realizes connecting fixed effect, and holistic stability can be relatively poor, and the vibrational force is great in the course of the work, causes the bolt to take off the silk to cause the gearbox not hard up, influence normal use, dismantle simultaneously with the maintenance in-process, dismantle comparatively loaded down with trivial details, reduce work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current low-speed automotive engineering gearbox, generally pass the screw through the bolt and realize connecting fixed effect, holistic stability can be relatively poor, and the vibrational force is great in the course of the work, causes the bolt to take off the silk to cause the gearbox not hard up, influence normal use, dismantle simultaneously with the maintenance process, dismantle comparatively loaded down with trivial details, reduce work efficiency's problem, and the low-speed automotive engineering gearbox who provides.

In order to achieve the above object, the utility model provides a following technical scheme: including transmission housing, lower extreme base and upper end base, its characterized in that: the lower end of the gearbox shell is fixedly welded with a first support frame, the lower end of the first support frame is fixedly provided with a first fixing support, the upper end of the gearbox shell is welded with a second support frame, the upper end of the second support frame is connected with a support tube through a rotary bearing, the support tube rotates around the second support frame under the action of the rotary bearing, a lead screw is connected in the support tube through threaded engagement, the support tube rotates around the lead screw to realize height adjustment, the upper end of the lead screw is welded with a second fixing support, the lower end of the first fixing support frame is welded with three first limit blocks with the same specification, the first fixing support frame is fixedly provided with three first limit grooves with the same specification, the first limit blocks are fixedly provided with a plurality of fixing screw holes with the same specification, and the lower end base is fixedly welded with three second limit grooves with the same specification, the fixed welding has the same second stopper of three specification on the lower extreme base, the fixed recess that is equipped with on the lower extreme base, be connected with fixing bolt through thread engagement on the fixed screw, be connected with the backup pad through bolt and nut in the recess, the fixed regular hexagon hole that is equipped with in the middle of the backup pad, the fixed third spacing recess and the third stopper that are equipped with two specifications the same in second fixed bolster upper end, fixed four spacing recess and the fourth stopper that are equipped with two specifications the same on the upper end base.

Preferably, the first support frame and the second support frame are both made of triangular rigid materials and play a role in supporting and connecting.

Preferably, first stopper, first spacing recess, second stopper and the spacing recess cross section of second are 'protruding' font, first stopper inserts in the spacing recess of second, and be sliding connection, the second stopper inserts in the first spacing recess, and for sliding connection, plays connection and spacing effect each other, increases holistic stability ability.

Preferably, the second limiting groove is fixedly provided with a limiting hole, the fixing bolt penetrates through the limiting hole to be connected with the fixing screw hole in a threaded engagement mode, and the effect of fixing the lower end base and the first fixing support is achieved.

Preferably, the head of the fixing bolt is in a regular hexagon shape, the head of the fixing bolt is clamped into the regular hexagon hole, the regular hexagon hole plays a role in fixing the fixing bolt, and the phenomenon that the fixing bolt takes off threads is avoided.

Preferably, third stopper, the spacing recess of third, fourth stopper and the spacing recess cross section of fourth are 'protruding' font, the third stopper inserts in the spacing recess of fourth, and be sliding connection, the fourth stopper inserts in the spacing recess of third, and is sliding connection, plays connection and spacing effect each other, increases holistic stability ability.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a low-speed automobile engineering gearbox through the regular hexagon hole in the backup pad, plays the fixed action to fixing bolt, and the connection of upper end base and second fixed bolster and the connection of lower extreme base and first fixed bolster increase holistic stability ability simultaneously, and dismantle simple to operate, improve work efficiency.

Drawings

Fig. 1 is the structure schematic diagram of the low-speed automobile engineering gearbox of the utility model.

Fig. 2 is the utility model discloses the first fixed bolster of low-speed automotive engineering gearbox's schematic structure view.

Fig. 3 is the structure diagram of the lower end base of the low-speed automobile engineering gearbox of the utility model.

Fig. 4 is the utility model discloses low-speed automotive engineering gearbox second limit groove's schematic structure.

Fig. 5 is a bottom view of the support plate of the low-speed automotive engineering transmission of the present invention.

Figure 6 is the utility model discloses the view of looking down of the spacing recess of low-speed automotive engineering gearbox second.

Fig. 7 is a schematic structural view of the second fixing bracket of the low-speed automotive engineering transmission of the present invention.

Fig. 8 is the structural schematic diagram of the upper end base of the low-speed automobile engineering gearbox of the utility model.

Fig. 9 is a side view of the low-speed automotive transmission of the present invention.

In the figure: 1-a transmission housing, 2-a first support frame, 3-a first fixing support, 4-a lower end base, 5-a second support frame, 6-a support tube, 7-a screw rod, 8-a second fixing support, 9-an upper end base, 10-a first stopper, 11-a fixing screw hole, 12-a first stopper groove, 13-a second stopper, 14-a second stopper groove, 15-a groove, 16-a support plate, 17-a fixing bolt, 18-a regular hexagonal hole, 19-a third stopper, 20-a third stopper groove, 21-a fourth stopper, 22-a fourth stopper groove.

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.

Referring to fig. 1-9, the present invention provides a technical solution: including transmission housing 1, lower extreme base 4 and upper end base 9, its characterized in that: the lower end of the transmission case body 1 is fixedly welded with a first support frame 2, the lower end of the first support frame 2 is fixedly provided with a first fixing support 3, the upper end of the transmission case body 1 is welded with a second support frame 5, the upper end of the second support frame 5 is connected with a support tube 6 through a rotating bearing, the support tube 6 rotates around the second support frame 5 under the action of the rotating bearing, a screw rod 7 is connected in the support tube 6 through thread engagement, the support tube 6 rotates around the screw rod 7 to realize height adjustment, the upper end of the screw rod 7 is welded with a second fixing support 8, the lower end of the first fixing support frame 3 is welded with three first limit blocks 10 with the same specification, three first limit grooves 12 with the same specification are fixedly arranged on the first fixing support frame 3, a plurality of fixing screw holes 11 with the same specification are fixedly arranged on the first limit blocks 10, and three second limit grooves 14 with the same specification are fixedly welded on the lower base 4, the lower end base 4 is fixedly welded with three second limiting blocks 13 with the same specification, the lower end base 4 is fixedly provided with a groove 15, the fixing screw hole 11 is connected with a fixing bolt 17 through threaded engagement, the groove 15 is internally connected with a supporting plate 16 through a bolt and a nut, the middle of the supporting plate 16 is fixedly provided with a regular hexagonal hole 18, the upper end of the second fixing support 8 is fixedly provided with two third limiting grooves 20 and a third limiting block 19 with the same specification, the upper end base 9 is fixedly provided with two fourth limiting grooves 22 and a fourth limiting block 21 with the same specification, the first support frame 2 and the second support frame 5 are made of triangular rigid materials and play a role in supporting and connecting, the cross sections of the first limiting block 10, the first limiting groove 12, the second limiting block 13 and the second limiting groove 14 are in a 'convex' shape, the first limiting block 10 is inserted into the second limiting groove 14 and is in sliding connection, the second limiting block 13 is inserted into the first limiting groove 12 and is in sliding connection, the connection and mutual limiting effects are achieved, the overall stability is improved, a limiting hole is fixedly formed in the second limiting groove 14, the fixing bolt 17 penetrates through the limiting hole, the fixing bolt penetrates through the limiting hole to be connected with the fixing screw hole in a threaded engagement mode, the effect of fixing the lower end base and the first fixing support is achieved, the head of the fixing bolt 17 is in a regular hexagonal shape, the head of the fixing bolt 17 is clamped into the regular hexagonal hole 18, the regular hexagonal hole achieves the fixing effect on the fixing bolt, the phenomenon that the fixing bolt is broken off is avoided, the cross sections of the third limiting block 19, the third limiting groove 20, the fourth limiting block 21 and the fourth limiting groove 22 are in a 'convex' shape, the third limiting block 19 is inserted into the fourth limiting groove 22, and for sliding connection, the fourth stopper 21 is inserted into the third limiting groove 20, and is in sliding connection, so that the connection and mutual limiting effects are achieved, and the overall stability is improved.

The utility model discloses a theory of operation does: firstly, adjusting the distance between the first fixing support 3 and the second fixing support 8 by rotating the supporting tube 6 according to the distance between the upper end base 9 and the lower end base 4, aligning the first stopper 10 and the second limiting groove 14, the second stopper 13 and the first limiting groove 12, the third stopper 19 and the fourth limiting groove 22, and the third limiting groove 20 and the fourth stopper 21 respectively, then pushing the transmission case 1 to insert the first stopper 10 into the second limiting groove 14, simultaneously insert the second stopper into the first limiting groove, insert the third stopper into the fourth limiting groove, insert the fourth stopper into the third limiting groove, and connect with the fixing screw hole 11 by the thread engagement through the fixing bolt 17 to realize the integral fixing limiting function, thereby increasing the integral stability, by fixing the supporting plate 16 on the lower end base 4, so that the head of the fixing bolt 17 is snapped into the hexagonal socket 18, which serves to limit the fixing bolt 17.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a low-speed automotive engineering gearbox, includes transmission housing (1), lower extreme base (4) and upper end base (9), its characterized in that: the lower end of the transmission case (1) is fixedly welded with a first support frame (2), the lower end of the first support frame (2) is fixedly provided with a first fixed support (3), the upper end of the transmission case (1) is welded with a second support frame (5), the upper end of the second support frame (5) is connected with a support tube (6) through a rotary bearing, the support tube (6) rotates around the second support frame (5) under the action of the rotary bearing, a lead screw (7) is connected in the support tube (6) through thread engagement, the support tube (6) rotates around the lead screw (7) to realize height adjustment, the upper end of the lead screw (7) is welded with a second fixed support (8), the lower end of the first fixed support (3) is welded with three first limit blocks (10) with the same specification, the first fixed support (3) is fixedly provided with three first limit grooves (12) with the same specification, a plurality of fixed screw holes (11) with the same specification are fixedly arranged on the first limiting block (10), three second limiting grooves (14) with the same specification are fixedly welded on the lower end base (4), three second limiting blocks (13) with the same specification are fixedly welded on the lower end base (4), a groove (15) is fixedly arranged on the lower end base (4), a fixing bolt (17) is connected on the fixing screw hole (11) through thread engagement, a supporting plate (16) is connected in the groove (15) through bolts and nuts, a regular hexagonal hole (18) is fixedly arranged in the middle of the supporting plate (16), the upper end of the second fixed bracket (8) is fixedly provided with a third limit groove (20) and a third limit block (19) with the same specification, and the upper end base (9) is fixedly provided with a fourth limiting groove (22) and a fourth limiting block (21) which have the same specification.

2. A low-speed automotive engineering transmission according to claim 1, characterized in that: the first support frame (2) and the second support frame (5) are both made of triangular rigid materials.

3. A low-speed automotive engineering transmission according to claim 1, characterized in that: the cross sections of the first limiting block (10), the first limiting groove (12), the second limiting block (13) and the second limiting groove (14) are in a convex shape, the first limiting block (10) is inserted into the second limiting groove (14) and is in sliding connection, and the second limiting block (13) is inserted into the first limiting groove (12) and is in sliding connection.

4. A low-speed automotive engineering transmission according to claim 1, characterized in that: and a limiting hole is fixedly formed in the second limiting groove (14), and the fixing bolt (17) penetrates through the limiting hole.

5. A low-speed automotive engineering transmission according to claim 1, characterized in that: the head of the fixing bolt (17) is in a regular hexagon shape, and the head of the fixing bolt (17) is clamped in the regular hexagon hole (18).

6. A low-speed automotive engineering transmission according to claim 1, characterized in that: third stopper (19), third spacing recess (20), fourth stopper (21) and fourth spacing recess (22) cross section are 'protruding' font, third stopper (19) insert in fourth spacing recess (22), and be sliding connection, fourth stopper (21) insert in third spacing recess (20), and be sliding connection.