CN221087836U

CN221087836U - Turnover mechanism for machining pivot box for bulldozer

Info

Publication number: CN221087836U
Application number: CN202322911468.3U
Authority: CN
Inventors: 屈凡宝
Original assignee: Jining Luhang Machinery Manufacturing Co ltd
Current assignee: Jining Luhang Machinery Manufacturing Co ltd
Filing date: 2023-10-30
Publication date: 2024-06-07
Anticipated expiration: 2033-10-30

Abstract

The utility model provides a turnover mechanism for machining a pivot box of a bulldozer, which relates to the technical field of pivot box machining equipment and comprises a base, a supporting beam and a rotating rod, wherein one end of the rotating rod is connected with a fixed seat, the bottom end of the fixed seat is connected with a rope, the bottom end of the rope is connected with a turnover fixture, the bottom end of the turnover fixture is provided with a clamping mechanism, and the supporting beam is provided with a rotating mechanism; according to the utility model, the outer extension edge of the pivot box is placed into the clamping block, the threaded rod is screwed to drive the clamping plate to move downwards, so that the clamping plate clamps the outer extension edge, the clamping block and the pivot box are connected into a whole, the output end of the hydraulic cylinder drives the rotating rod to rotate upwards, enough space is reserved for overturning, the motor I drives the gear at the output end of the rotating rod to rotate, and the motor I drives the rotating shaft to rotate through the gear because the two gears are meshed with each other, so that the motor I can drive the clamping block to rotate, and further overturning operation is carried out on the pivot box clamped on the clamping block.

Description

Turnover mechanism for machining pivot box for bulldozer

Technical Field

The utility model relates to the technical field of pivot box processing equipment, in particular to a turnover mechanism for processing a pivot box for a bulldozer.

Background

The bulldozer is an earthwork machine capable of excavating, transporting and discharging rock and soil, has wide application in strip mines, for example, is used for constructing a dumping field, leveling an automobile dumping field, piling scattered ore and rock, leveling a working platform, a building field and the like, is not only used for auxiliary work, but also used for main mining work, wherein one end of a pivot in the bulldozer is fixedly installed with a frame through a bolt, and the other end of the pivot is in sliding fit with bushing installation surfaces on the inner side and the outer side of a pivot box, so that the trolley frame is mainly hung;

The pivot box for the bulldozer is of a frame structure requiring multiple welding, the traditional mode is to place supporting frames below the front end and the rear end of the pivot box, the supporting frames are about one person in height, a worker can turn over the lower portion of the frame, the front face and the rear face of the pivot box with larger size are welded, the worker needs to frequently shift positions when welding operation is performed, and a plurality of inconveniences exist.

Disclosure of utility model

The utility model provides a turnover mechanism for machining a pivot box for a bulldozer, aiming at solving the problem that the pivot box is inconvenient to manufacture by manually turning over a pivot box by using a frame in the prior art.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a tilting mechanism of pivot case processing for bulldozer, includes base, supporting beam and dwang, the top of base is equipped with the supporting beam, the top of supporting beam articulates there is the dwang, the one end of dwang is connected with the fixing base, the bottom of fixing base is connected with the rope, the bottom of rope is connected with the upset anchor clamps, the bottom of upset anchor clamps is equipped with fixture, be equipped with slewing mechanism on the supporting beam.

The further improvement is that: the overturning clamp comprises a limiting rod, a sliding seat, a left connecting rod and a clamping block, wherein the bottom end of a rope is connected with the limiting rod, the two ends of the limiting rod are connected with the sliding seat in a sliding manner, the two ends of the sliding seat are respectively connected with the left connecting rod and the right connecting rod, the left connecting rod is hinged with the bottom end of the right connecting rod through a rotating shaft, a motor is arranged on the outer side of the right connecting rod, the output end of the motor is connected with a gear with one end of the rotating shaft, and the two outer walls of the gears are meshed with each other.

The further improvement is that: the clamping mechanism comprises a clamping plate, a threaded rod and a guide rod, wherein one end of the clamping block is slidably connected with the guide rod, the bottom end of the guide rod is connected with the clamping plate, the other end of the clamping block is in threaded connection with the threaded rod, and the bottom end of the threaded rod is rotationally connected with one end of the clamping block.

The further improvement is that: the inside of gag lever post has been seted up the spout, the inside rotation of spout is connected with two-way lead screw, no. two motors are installed to the one end of gag lever post, the output of No. two motors is connected with the one end of two-way lead screw, two-way lead screw runs through the inside of out the sliding seat and with its threaded connection.

The further improvement is that: the rotating mechanism comprises a hydraulic cylinder and a hinging seat, the bottom of the supporting beam is hinged with the hydraulic cylinder, the output end of the hydraulic cylinder is connected with the hinging seat, and the bottom of one end of the rotating rod is hinged with the hinging seat.

The further improvement is that: the two sides of the base are symmetrically provided with a group of rollers, the two sides of the supporting beam are symmetrically provided with reinforcing rods, the top ends and the bottom ends of the reinforcing rods are symmetrically provided with bolts, and the reinforcing rods are detachably connected with the top ends of the supporting beam and the top of the base respectively.

The further improvement is that: the inside of fixing base is equipped with the bolt, the fixing base is kept away from the one end of supporting beam through bolt and dwang and can be dismantled and be connected, the rope is interweaved by stranded wire rope spiral.

The beneficial effects of the utility model are as follows: the inside of clamp splice is placed into to the outer limit of pivot case, twist the threaded rod and can drive splint downwardly moving, thereby make splint with outer limit clamp tightly, and then link into an organic whole with clamp splice and pivot case, the pneumatic cylinder output drives the dwang and upwards rotates, there is sufficient space to overturn, the gear of its output is driven to motor No. one, because of two gears intermeshing, the rotation axis rotation can be driven through the gear to motor No. one, thereby motor No. one can drive the clamp splice and rotate, and then carry out the upset operation to the pivot case of centre gripping on the clamp splice, in order to solve among the prior art the manual inconvenient problem of utilizing shelf upset pivot box to make.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a turnover fixture according to the present utility model;

fig. 3 is a schematic structural view of a clamping mechanism according to the present utility model.

Wherein: 1. a base; 2. a support beam; 3. a rotating lever; 4. a fixing seat; 5. a rope; 6. a limit rod; 7. a sliding seat; 8. a left connecting rod; 9. a right connecting rod; 10. clamping blocks; 11. a roller; 12. a motor I; 13. a gear; 14. a hydraulic cylinder; 15. a hinge base; 16. a reinforcing rod; 17. a rotation shaft; 18. a motor II; 19. a bidirectional screw rod; 20. a clamping plate; 21. a threaded rod; 22. a guide rod.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the turning mechanism for processing the pivot box of the bulldozer, shown in fig. 1, 2 and 3, the turnover mechanism comprises a base 1, a supporting beam 2 and a rotating rod 3, the supporting beam 2 is arranged at the top of the base 1, the rotating rod 3 is hinged to the top of the supporting beam 2, one end of the rotating rod 3 is connected with a fixing seat 4, the bottom end of the fixing seat 4 is connected with a rope 5, the bottom end of the rope 5 is connected with a turning clamp, a clamping mechanism is arranged at the bottom end of the turning clamp, the supporting beam 2 is provided with the rotating mechanism, the pivot box is placed below the clamping mechanism, two sides of the pivot box are clamped by the clamping mechanism, then the rotating rod 3 is driven to rotate upwards by the rotating mechanism, the rotating rod 3 is connected by the turning clamp through the rope 5, so as to drive the pivot to move upwards until the pivot box has enough space to turn, then the pivot box is driven to rotate by the turning clamp, and then the rotating mechanism drives the rotating rod 3 to rotate downwards to reset, and then the turning operation of the pivot box is completed.

The turnover fixture comprises a limiting rod 6, a sliding seat 7, a left connecting rod 8 and a clamping block 10, wherein a sliding groove is formed in the limiting rod 6, a bidirectional screw rod 19 is rotatably connected to the inside of the sliding groove, a second motor 18 is installed at one end of the limiting rod 6, the output end of the second motor 18 is connected with one end of the bidirectional screw rod 19, the bidirectional screw rod 19 penetrates through the inside of the sliding seat 7 and is in threaded connection with the sliding seat, the output end of the second motor 18 is connected with one end of the bidirectional screw rod 19, so that the second motor 18 can drive the bidirectional screw rod 19 to rotate in the sliding groove, and the sliding seat 7 and the limiting rod 6 are in sliding connection to limit a moving track, so that the second motor 18 drives the bidirectional screw rod 19 to rotate positively and negatively, and simultaneously can drive the sliding seat 7 to reciprocate horizontally on the limiting rod 6, and accordingly the sliding seat 7 drives the clamping block 10 to be close to two sides of a pivot through the left connecting rod 8 or the right connecting rod 9, and the turnover fixture is matched with pivot axle boxes with different sizes.

The clamping mechanism comprises a clamping plate 20, a threaded rod 21 and a guide rod 22, one end of the clamping block 10 is slidably connected with the guide rod 22, the bottom end of the guide rod 22 is connected with the clamping plate 20, the other end of the clamping block 10 is in threaded connection with the threaded rod 21, the bottom end of the threaded rod 21 is rotationally connected with one end of the clamping block 10, the pivot box is placed into the clamping block 10, the threaded rod 21 is in threaded fit with the clamping block 10, the bottom end of the clamping block 10 is rotationally connected with the clamping plate 20, so that the threaded rod 21 can be screwed to drive the clamping plate 20 to move downwards, the clamping plate 20 clamps the outer edge, the clamping block 10 is further connected with the pivot box into a whole, and when a clamping state needs to be relieved, the threaded rod 21 is reversely screwed to drive the clamping plate 20 to move upwards and separate from the outer edge.

The bottom of rope 5 is connected with gag lever post 6, the both ends sliding connection of gag lever post 6 has slide bracket 7, two the bottom of slide bracket 7 is connected with left connecting rod 8 and right connecting rod 9 respectively, the bottom of left connecting rod 8 and right connecting rod 9 articulates through rotation axis 17 has clamp splice 10, motor No. one 12 is installed in the outside of right connecting rod 9, motor No. one 12's output all is connected with gear 13 with the one end of rotation axis 17, two gear 13's outer wall intermesh, after clamping mechanism presss from both sides the both sides tight back with the both sides of pivot box, and leaves the space that can overturn, motor No. one 12 drives the gear 13 rotation of its output, because two gear 13 intermesh, motor No. 12 can drive rotation axis 17 through gear 13 to motor No. one 12 can drive clamp splice 10 and rotate, and then overturn the pivot box of centre gripping on the clamp splice 10.

The rotating mechanism comprises a hydraulic cylinder 14 and a hinging seat 15, the bottom of the supporting beam 2 is hinged with the hydraulic cylinder 14, the output end of the hydraulic cylinder 14 is connected with the hinging seat 15, the bottom of one end of the rotating rod 3 is hinged with the hinging seat 15, the output end of the hydraulic cylinder 14 is connected with one end of the rotating rod 3 through the hinging seat 15, the rotating rod 3 is driven to rotate upwards or downwards through the expansion and contraction of the output end of the hydraulic cylinder 14, the rotating rod 3 is connected with a turning clamp through a fixing seat 4 and a rope 5 to drive the pivot box to move up and down, enough space is reserved for turning, and the hydraulic cylinder 14 is hinged with the supporting beam 2, so that the hydraulic cylinder 14 rotates along with the rotating rod 3 to adjust the position, and the position cannot interfere the rotation of the rotating rod 3.

The two sides of the base 1 are symmetrically provided with a group of rollers 11, the two sides of the supporting beam 2 are symmetrically provided with reinforcing rods 16, the top and bottom ends of the reinforcing rods 16 are symmetrically provided with bolts, the reinforcing rods 16 are detachably connected with the top ends of the supporting beam 2 and the top of the base 1 respectively, the reinforcing rods 16 are fixed on the two sides of the supporting beam 2 through the bolts, the bottom ends of the reinforcing rods 16 are connected with the base 1, and the connection between the supporting beam 2 and the base 1 can be reinforced to improve the supporting capacity of the supporting beam 2.

The inside of fixing base 4 is equipped with the bolt, fixing base 4 is kept away from the one end of supporting beam 2 through bolt and dwang 3 and can dismantle the connection, rope 5 is interweaved by stranded wire rope spiral.

According to the turnover mechanism for processing the pivot box of the bulldozer, the outer extension edge of the pivot box is placed into the clamping block 10, the threaded rod 21 is screwed to drive the clamping plate 20 to move downwards, so that the clamping plate 20 clamps the outer extension edge, the clamping block 10 and the pivot box are connected into a whole, the output end of the hydraulic cylinder 14 drives the rotating rod 3 to rotate upwards, enough space is reserved for turnover, the motor 12 drives the gear 13 at the output end of the motor to rotate, and the two gears 13 are meshed with each other, so that the motor 12 can drive the rotating shaft 17 to rotate through the gear 13, the motor 12 can drive the clamping block 10 to rotate, and the pivot box clamped on the clamping block 10 is subjected to turnover operation.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tilting mechanism of pivot case processing for bulldozer, includes base (1), supporting beam (2) and dwang (3), its characterized in that: the support is characterized in that the top of the base (1) is provided with a support beam (2), the top of the support beam (2) is hinged with a rotating rod (3), one end of the rotating rod (3) is connected with a fixing seat (4), the bottom end of the fixing seat (4) is connected with a rope (5), the bottom end of the rope (5) is connected with a turnover fixture, the bottom end of the turnover fixture is provided with a clamping mechanism, and the support beam (2) is provided with a rotating mechanism;

The overturning clamp comprises a limiting rod (6), a sliding seat (7), a left connecting rod (8) and clamping blocks (10), wherein the limiting rod (6) is connected to the bottom end of a rope (5), the sliding seats (7) are connected to the two ends of the limiting rod (6) in a sliding mode, the left connecting rod (8) and the right connecting rod (9) are connected to the bottom ends of the sliding seats (7) respectively, the clamping blocks (10) are hinged to the bottom ends of the left connecting rod (8) and the right connecting rod (9) through rotating shafts (17), a first motor (12) is installed on the outer side of the right connecting rod (9), gears (13) are connected to the output ends of the first motor (12) and one end of the rotating shafts (17), and the outer walls of the gears (13) are meshed with each other.

2. The tilting mechanism of pivot box processing for bulldozer according to claim 1, wherein: the clamping mechanism comprises a clamping plate (20), a threaded rod (21) and a guide rod (22), wherein one end of the clamping block (10) is slidably connected with the guide rod (22), the bottom end of the guide rod (22) is connected with the clamping plate (20), the other end of the clamping block (10) is in threaded connection with the threaded rod (21), and the bottom end of the threaded rod (21) is rotationally connected with one end of the clamping block (10).

3. The tilting mechanism of pivot box processing for bulldozer according to claim 1, wherein: the inside of gag lever post (6) has been seted up the spout, the inside rotation of spout is connected with two-way lead screw (19), no. two motor (18) are installed to the one end of gag lever post (6), the output of No. two motor (18) is connected with the one end of two-way lead screw (19), two-way lead screw (19) run through the inside of out sliding seat (7) and rather than threaded connection.

4. The tilting mechanism of pivot box processing for bulldozer according to claim 1, wherein: the rotating mechanism comprises a hydraulic cylinder (14) and a hinging seat (15), the bottom of the supporting beam (2) is hinged with the hydraulic cylinder (14), the output end of the hydraulic cylinder (14) is connected with the hinging seat (15), and the bottom of one end of the rotating rod (3) is hinged with the hinging seat (15) mutually.

5. The tilting mechanism of pivot box processing for bulldozer according to claim 1, wherein: the two-side symmetry of base (1) is equipped with a set of gyro wheel (11), the bilateral symmetry of supporting beam (2) is equipped with stiffener (16), the top and the bottom symmetry of stiffener (16) are equipped with the bolt, and can dismantle with the top of supporting beam (2) and the top of base (1) respectively and be connected.

6. The tilting mechanism of pivot box processing for bulldozer according to claim 1, wherein: the inside of fixing base (4) is equipped with the bolt, fixing base (4) are kept away from the one end of supporting beam (2) through bolt and dwang (3) and can dismantle the connection, rope (5) are interweaved by stranded wire rope spiral.