CN116588817B

CN116588817B - Gearbox suspension device for loader

Info

Publication number: CN116588817B
Application number: CN202310870009.7A
Authority: CN
Inventors: 张鲁东; 曲金钊; 林晓明
Original assignee: SHANDONG LUGONG MACHINERY CO Ltd
Current assignee: SHANDONG LUGONG MACHINERY CO Ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2023-09-26
Anticipated expiration: 2043-07-17
Also published as: CN116588817A

Abstract

The application relates to the technical field of suspension, and provides a gearbox suspension device for a loader, which aims to solve the defect that the gearbox of the loader is not protected from falling off after being lifted, and comprises two vertical plates and a top plate, wherein the two vertical plates are vertically and symmetrically arranged, the top plate is horizontally and fixedly arranged at the tops of the two vertical plates, a frame body is slidably arranged at the bottom of the top plate, a reciprocating mechanism for moving the frame body is arranged on the top plate, a hanging plate is horizontally arranged below the frame body, a connecting rope is fixedly arranged at the center of the top of the hanging plate, two fixing rings which are vertically distributed are arranged at the top of the hanging plate and used for limiting the connecting rope, a buffer plate is horizontally arranged below the hanging plate, and a protection plate is horizontally arranged below the buffer plate. The application can protect the gearbox of the lifted loader, not only can carry out bearing buffer on the gearbox which is dropped by the unhooking, but also can protect the periphery of the suspension equipment, thereby improving the use safety of the equipment.

Description

Gearbox suspension device for loader

Technical Field

The application relates to the technical field of suspension, in particular to a gearbox suspension device for a loader.

Background

The loader is a kind of earth and stone construction machine widely used in construction engineering such as highway, building, harbor, mine, etc., it is mainly used for shoveling scattered materials such as soil, sand stone, coal, etc., also can make the slight shoveling work to ore, hard soil, etc.. The gearbox is an important component of the loader, and is mounted on the rear frame for decelerating and increasing torque and outputting power to wheels, so that the gearbox of the loader is usually required to be lifted for installation due to the fact that the gearbox cannot be moved by a heavy person during installation.

The existing gearbox suspension device for the loader has the problem that the lifting function of the gearbox of the loader is poor in unhooking and falling protection effects because the gearbox of the loader does not have the function of carrying out follow-up protection on the gearbox of the loader, so that the gearbox of the loader possibly falls off and breaks after being lifted, and the gearbox suspension device for the loader needs to be redesigned.

Disclosure of Invention

The application aims to solve the defect of poor unhooking drop protection effect after lifting a gearbox of a loader in the prior art, and provides a gearbox suspension device for the loader.

In order to achieve the above purpose, the present application adopts the following technical scheme:

the utility model provides a gearbox suspension device for loader, including riser and roof, the riser has two, and two riser all vertical and symmetry set up, roof level fixed mounting is in two riser tops, and roof bottom slidable mounting has the framework, be equipped with the reciprocating motion mechanism that is used for removing the framework on the roof, framework below level is provided with the link plate, and link plate top center department fixed mounting has the connecting rope, the link plate top is equipped with the solid fixed ring of two upper and lower distributions, and two solid fixed rings are used for spacing the connecting rope, link plate below level is provided with the buffer board, and buffer board below level is provided with the guard plate, two riser side all vertical fixed mounting have the limiting plate, and two limiting plate opposite sides all seted up L type groove, two L type inslot all slidable mounting has the movable block, and two movable block both ends are fixed mounting in the guard plate both sides respectively, two vertical grooves have been seted up to two opposite both sides of two risers, and every vertical groove inside all slidable mounting has two sliders, four slider side equal horizontal fixed mounting has the second sleeve, and four slider side faces are located two fixed connection ropes, and two end faces are connected in two fixed connection shafts through two second sleeve, two end faces are fixed connection two end faces are located two movable sleeve bars, two end faces are fixed on the guard plate.

As a further technical scheme of the application, the wire roller is horizontally rotatably arranged in the frame body, the top end of the connecting rope penetrates through the center of the bottom of the frame body and is wound on the surface of the wire roller, and the top end of the connecting rope is fixedly arranged on the wire roller.

As a further technical scheme of the application, the bottoms of the two vertical plates are respectively provided with a sliding rail in a sliding manner, the two ends of the bottom of the hanging plate are respectively provided with a hook, a symmetrical side face of the top plate is respectively provided with a transverse groove, the interiors of the two transverse grooves are respectively provided with a moving block in a sliding manner, the two ends of the top of the frame body are respectively fixedly provided with a side plate, and the two moving blocks are respectively arranged on the opposite side faces of the two side plates.

As a further aspect of the present application, the reciprocating mechanism includes: the connecting plate and the lead screw, connecting plate slidable mounting has offered bar notch in roof top, and framework top fixed mounting has the lug, and the lug top passes bar notch and fixed mounting in the connecting plate bottom.

As a further technical scheme of the application, the screw rod is horizontally rotatably arranged at the top of the top plate and is connected with the inside of the connecting plate through threads, one end of the top plate is provided with the second motor, and the output shaft of the second motor is arranged at the center of one end of the screw rod.

As a further technical scheme of the application, spring rods are vertically and fixedly arranged at four corners of the bottom of the buffer plate, and the tail ends of the four spring rods are fixedly arranged at the top of the protection plate.

As a further aspect of the present application, the first moving mechanism includes: the screw rods and the first bevel gears are two, the two screw rods are respectively vertically and rotatably installed in the two vertical grooves, and the surfaces of each screw rod are connected to the insides of the two corresponding sliding blocks through threads.

As a further technical scheme of the application, two first bevel gears are respectively and fixedly sleeved on the surfaces of the two screw rods, and the side surfaces of the two first bevel gears are respectively meshed with the second bevel gears.

As a further technical scheme of the application, the centers of the side surfaces of the two second bevel gears are horizontally and fixedly provided with the first sleeves, the ends of the two first sleeves are slidably provided with the first sleeve rods through the spline, the ends of the two first sleeve rods are respectively and fixedly arranged at the centers of the two ends of the wire roller, the two ends of the bottom of the top plate are vertically and fixedly provided with the fixing plates, and the two first sleeves are respectively and rotatably arranged in the two fixing plates.

As a further technical scheme of the application, one side of one vertical plate is provided with a first motor, a third bevel gear is rotatably arranged in one vertical groove, the third bevel gear is meshed with the first bevel gear, and an output shaft of the first motor is arranged at the center of one side of the third bevel gear.

The beneficial effects of the application are as follows:

firstly, the connecting rope can be limited through the arrangement of the fixing ring, the second sleeve and the first loop bar, so that the stability of the gearbox is ensured not to swing when the gearbox of the loader is lifted, the stability of the gearbox after the gearbox is lifted is further improved, the gearbox can be lifted synchronously with the gearbox, the gearbox can be stably and accurately protected, and the using effect of the equipment is further improved;

according to the application, through the arrangement of the buffer plate and the protection plate, the lifted loader gearbox can be subjected to follow-up protection (after lifting, the height of the buffer plate after moving to the lower part of the gearbox is unchanged, so that the effect is better in protection), the gearbox which is dropped by the unhooking can be carried out for carrying and buffering, the periphery of the suspension equipment can be protected, the situation that other equipment and the gearbox is damaged by directly dropping to the ground is avoided, and the use safety of the equipment is further improved.

Drawings

FIG. 1 is a schematic view of a suspension device for a gearbox for a loader according to the present application;

FIG. 2 is a schematic rear view of a suspension device for a gearbox for a loader according to the present application;

FIG. 3 is a schematic bottom view of a suspension device for a gearbox for a loader according to the present application;

fig. 4 is a schematic view of a screw and a slider of a suspension device for a gearbox for a loader according to the present application;

FIG. 5 is a schematic cross-sectional view of a suspension device for a gearbox for a loader according to the present application;

FIG. 6 is a schematic view of a side plate and a connection structure of a suspension device for a gearbox for a loader according to the present application;

FIG. 7 is an enlarged schematic view of portion A of FIG. 1;

fig. 8 is an enlarged schematic view of the portion B in fig. 4.

In the figure: 1. a slide rail; 2. a vertical plate; 3. a limiting plate; 4. a protection plate; 5. a buffer plate; 6. a spring rod; 7. a movable rod; 8. a top plate; 9. a frame; 10. a first motor; 11. a second motor; 12. a screw rod; 13. a connecting plate; 14. a bar-shaped notch; 15. a connecting rope; 16. a transverse groove; 17. a vertical groove; 18. a hanging plate; 19. a hook; 20. a first sleeve; 21. a first loop bar; 22. a fixing plate; 23. a second sleeve; 24. a second loop bar; 25. a fixing ring; 26. a screw rod; 27. a slide block; 28. an L-shaped groove; 29. a movable block; 30. a wire roller; 31. a side plate; 32. a moving block; 33. a bump; 34. a first bevel gear; 35. and a second bevel gear.

Description of the embodiments

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-8, a gearbox suspension device for a loader comprises two vertical plates 2 and a top plate 8, wherein the two vertical plates 2 are vertically and symmetrically arranged, the top plate 8 is horizontally and fixedly arranged at the top of the two vertical plates 2, a frame 9 is slidably arranged at the bottom of the top plate 8, a reciprocating mechanism for moving the frame 9 is arranged on the top plate 8, a hanging plate 18 is horizontally arranged below the frame 9, a connecting rope 15 is fixedly arranged at the center of the top of the hanging plate 18, two fixing rings 25 which are vertically distributed are arranged at the top of the hanging plate 18, the two fixing rings 25 are used for limiting the connecting rope 15, so that the connecting rope 15 can be stable and not swaying when moving, the stability when in use is ensured, a buffer plate 5 is horizontally arranged below the hanging plate 18, the falling gearbox is buffered through the arrangement of the buffer plate 5, the protection effect on the gearbox is improved to the greatest extent, the protection plate 4 is horizontally arranged below the buffer plate 5, the limiting plates 3 are vertically and fixedly arranged on the side surfaces of the two vertical plates 2, L-shaped grooves 28 are respectively formed on the opposite side surfaces of the two limiting plates 3, movable blocks 29 are slidably arranged in the two L-shaped grooves 28, two ends of the two movable blocks 29 are respectively and fixedly arranged on two sides of the protection plate 4, vertical grooves 17 are vertically formed on the opposite two sides of the two vertical plates 2, two sliding blocks 27 are slidably arranged in each vertical groove 17, second sleeves 23 are horizontally and fixedly arranged on the side surfaces of the four sliding blocks 27, second sleeve rods 24 are slidably arranged on the end parts of the four second sleeves 23 through splines, the end parts of the four second sleeve rods 24 are respectively and fixedly arranged on two sides of the two fixed rings 25, movable rods 7 are rotatably arranged at the two ends of the top of the protection plate 4, and two movable rods 7 top rotate respectively and install in two second sleeve 23 surfaces that are located the below, are equipped with the first moving mechanism who is used for removing connecting rope 15 and four sliders 27 on two risers 2, through the setting of this equipment, can protect the loader gearbox, guaranteed the stability after the lifting.

Referring to fig. 1, 5 and 6, in a preferred embodiment, a wire roller 30 is horizontally rotatably mounted inside a frame 9, the top end of a connecting rope 15 passes through the center of the bottom of the frame 9 and is wound on the surface of the wire roller 30, the top ends of the connecting rope 15 are fixedly mounted on the wire roller 30, the bottoms of two vertical plates 2 are respectively and slidably provided with a sliding rail 1, two ends of the bottom of a hanging plate 18 are respectively provided with a hook 19, a symmetrical side surface of a top plate 8 is respectively provided with a transverse groove 16, moving blocks 32 are respectively and slidably mounted inside the two transverse grooves 16, two ends of the top of the frame 9 are respectively and fixedly provided with side plates 31, and the two moving blocks 32 are respectively mounted on opposite side surfaces of the two side plates 31 for limiting the frame 9, so that the stability of the frame 9 during moving is ensured, and the using effect is further improved.

Referring to fig. 1-2, in a preferred embodiment, the reciprocating mechanism comprises: connecting plate 13 and lead screw 12, connecting plate 13 slidable mounting is at roof 8 tops, and bar notch 14 has been seted up at roof 8 tops, framework 9 top fixed mounting has lug 33, and lug 33 top passes bar notch 14 and fixed mounting in connecting plate 13 bottoms, lead screw 12 level rotation is installed at roof 8 tops, and lead screw 12 passes through threaded connection in connecting plate 13 inside, second motor 11 is installed to roof 8 one end, and the output shaft of second motor 11 installs in lead screw 12 one end center department, equal vertical fixed mounting in four corners in buffer board 5 bottom four corners has spring bar 6, and the equal fixed mounting in guard plate 4 tops of four spring bar 6 ends, through reciprocating motion's setting, can remove framework 9 in the horizontal direction, further be used for driving the loader gearbox that is lifted and remove, convenient installation after conveniently adjusting the position of loader gearbox.

Referring to fig. 3-8, in a preferred embodiment, the first movement mechanism comprises: the screw rod 26 and the first bevel gear 34, the screw rod 26 has two, and two screw rods 26 vertical rotation respectively install in two vertical slots 17 inside, every screw rod 26 surface all passes through threaded connection in two corresponding slider 27 inside, first bevel gear 34 has two, and two first bevel gears 34 are fixed respectively cup joint in two screw rod 26 surfaces, two first bevel gears 34 side all have meshed second bevel gear 35, two second bevel gear 35 side center department all horizontal fixed mounting has first sleeve 20, and two first sleeve 20 tip all has first loop bar 21 through spline slidable mounting, two first loop bar 21 tip fixed mounting respectively in line roller 30 both ends center department, roof 8 bottom both ends all vertical fixed mounting has fixed plate 22, and two first sleeve 20 rotate respectively and install in two fixed plate 22 inside, one of them riser 2 one side is installed first motor 10, and one of them vertical slot 17 inside rotates there is the third bevel gear, third bevel gear and first bevel gear 34 mesh, the output shaft side of first motor 10 installs in third bevel gear one side center department, the synchronous machine that hangs down installs through the first gear, the synchronous machine of the transmission is convenient to install in the synchronous loading to the gear box when the synchronous machine, the transmission is hung to the transmission, the synchronous loading is realized to the synchronous machine, the safety gear box is convenient for the installation, the safety gear box is hung when the machine is installed to the transmission, and the safety gear box is used for the safety.

Working principle: firstly, the loader gearbox is hung on two hooks 19, then a first motor 10 drives a third bevel gear to rotate, the third bevel gear rotates to drive one of first bevel gears 34 to rotate, the first bevel gear 34 rotates to drive a second bevel gear 35 meshed with the first bevel gear 34 and a screw rod 26 fixedly connected with the second bevel gear 35 to rotate, then the second bevel gear 35 rotates to drive a first sleeve 20 fixedly connected with the second sleeve 20 and a first sleeve rod 21 in spline connection with the first sleeve 20 to rotate, the first sleeve rod 21 rotates to drive a wire roller 30 and the other first sleeve rod 21 to rotate, the wire roller 30 rotates to wind up a connecting rope 15 to hang the hung gearbox, a fixing ring 25 limits the connecting rope 15 when the connecting rope 15 moves, the stability of up-down movement of the gearbox is ensured, the other first sleeve rod 21 rotates to drive the first sleeve 20 to rotate, the other second bevel gear 35 and the other first bevel gear 34 are driven to rotate, the other first bevel gear 34 rotates to drive the screw rod 26 fixedly connected with the other first bevel gear 34 to rotate, the two screw rods 26 rotate to drive the four sliding blocks 27 to move, the four sliding blocks 27 move to drive the four second sleeves 23 and the four second sleeve rods 24 to move, the four second sleeve rods 24 move to drive the two fixed rings 25 to move upwards, the two second sleeves 23 move upwards to drive the two movable rods 7 to move, the two movable rods 7 move to drive the protection plate 4 to move, the protection plate 4 gradually moves under the gearbox along with the rising of the gearbox due to the limiting effect of the L-shaped groove 28 and the movable block 29 until the movable block 29 moves to the connecting position of the vertical edge and the horizontal edge of the L-shaped groove 28, at the moment, the buffer plate 5 moves under the gearbox and moves vertically upwards, so that the falling off of the gearbox can be followed and protected, and through the setting of spring beam 6, can also cushion the gearbox that drops, can furthest guarantee the safety of gearbox, when need to move about to the gearbox, only need drive lead screw 12 through second motor 11 and rotate, lead screw 12 rotates and can drive connecting plate 13 and remove, and connecting plate 13 removes and can drive lug 33 and framework 9 and remove, and framework 9 removes and can drive connecting rope 15 and the gearbox that is lifted up and move about, conveniently adjusts the position of gearbox, and then has improved the convenience when the gearbox is lifted up the rear installation.

It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a gearbox suspension device for loader, includes riser (2) and roof (8), its characterized in that, riser (2) have two, and two riser (2) are all vertical and symmetry setting, roof (8) horizontal fixed mounting is in two riser (2) tops, and roof (8) bottom slidable mounting has framework (9), be equipped with the reciprocating motion mechanism that is used for removing framework (9) on roof (8), framework (9) below level is provided with link plate (18), and link plate (18) top center department fixed mounting has connecting rope (15), link plate (18) top is equipped with two retainer plate (25) of distributing from top to bottom, and two fixed rings (25) are used for limiting the connecting rope (15), a buffer plate (5) is horizontally arranged below the hanging plate (18), a protection plate (4) is horizontally arranged below the buffer plate (5), two limiting plates (3) are vertically and fixedly arranged on the side surfaces of the vertical plates (2), L-shaped grooves (28) are formed in the opposite side surfaces of the two limiting plates (3), movable blocks (29) are slidably arranged in the two L-shaped grooves (28), two ends of the two movable blocks (29) are fixedly arranged on two sides of the protection plate (4) respectively, vertical grooves (17) are vertically formed in the opposite sides of the two vertical plates (2), and every erects inside two sliders (27) of equal slidable mounting of groove (17), four equal horizontal fixed mounting in slider (27) side has second sleeve (23), and four second sleeve (23) tip all has second loop bar (24) through spline slidable mounting, four second loop bar (24) tip fixed mounting respectively in two solid fixed ring (25) both sides, movable rod (7) are all installed in rotation at guard plate (4) top both ends, and two movable rod (7) top rotate respectively and install in two second sleeve (23) surfaces that are located the below, two be equipped with on riser (2) and be used for moving the first moving mechanism of connecting rope (15) and four sliders (27).

2. The gearbox suspension device for the loader according to claim 1, wherein a wire roller (30) is horizontally rotatably mounted in the frame (9), the top end of the connecting rope (15) passes through the center of the bottom of the frame (9) and is wound on the surface of the wire roller (30), and the top end of the connecting rope (15) is fixedly mounted on the wire roller (30).

3. The gearbox suspension device for a loader according to claim 2, wherein the bottoms of the two vertical plates (2) are both provided with sliding rails (1) in a sliding manner, hooks (19) are respectively arranged at two ends of the bottom of the hanging plate (18), transverse grooves (16) are respectively formed in symmetrical side surfaces of the top plate (8), moving blocks (32) are respectively arranged in the two transverse grooves (16) in a sliding manner, side plates (31) are respectively fixedly arranged at two ends of the top of the frame body (9), and the two moving blocks (32) are respectively arranged on opposite side surfaces of the two side plates (31).

4. The gearbox suspension device for a loader according to claim 1, wherein the reciprocating mechanism comprises: connecting plate (13) and lead screw (12), connecting plate (13) slidable mounting is in roof (8) top, and bar notch (14) have been seted up at roof (8) top, framework (9) top fixed mounting has lug (33), and lug (33) top passes bar notch (14) and fixed mounting in connecting plate (13) bottom.

5. The gearbox suspension device for a loader according to claim 4, wherein the screw (12) is horizontally rotatably installed at the top of the top plate (8), the screw (12) is connected to the inside of the connecting plate (13) through threads, the second motor (11) is installed at one end of the top plate (8), and an output shaft of the second motor (11) is installed at the center of one end of the screw (12).

6. The gearbox suspension device for the loader according to claim 1, wherein spring rods (6) are vertically and fixedly arranged at four corners of the bottom of the buffer plate (5), and the tail ends of the four spring rods (6) are fixedly arranged at the top of the protection plate (4).

7. The gearbox suspension device for a loader according to claim 2, wherein the first moving mechanism comprises: the two lead screws (26) are vertically and rotatably arranged in the two vertical grooves (17) respectively, and the surfaces of each lead screw (26) are connected to the inside of two corresponding sliding blocks (27) through threads.

8. The gearbox suspension device for a loader according to claim 7, wherein two first bevel gears (34) are arranged, the two first bevel gears (34) are fixedly sleeved on the surfaces of two screw rods (26) respectively, and second bevel gears (35) are meshed with the side surfaces of the two first bevel gears (34).

9. The gearbox suspension device for a loader according to claim 8, wherein the two second bevel gears (35) are horizontally and fixedly provided with first sleeves (20) at the side centers, the ends of the two first sleeves (20) are slidably provided with first sleeve rods (21) through splines, the ends of the two first sleeve rods (21) are fixedly provided with fixing plates (22) at the centers of the two ends of a wire roller (30), the two ends of the bottom of the top plate (8) are vertically and fixedly provided with fixing plates (22), and the two first sleeves (20) are rotatably provided inside the two fixing plates (22).

10. A gearbox suspension arrangement for a loader according to claim 9, characterised in that a first motor (10) is mounted on one side of one of the risers (2), and that a third bevel gear is rotatably mounted inside one of the risers (17), the third bevel gear being in engagement with the first bevel gear (34), the output shaft of the first motor (10) being mounted in the centre of one side of the third bevel gear.