CN220435326U

CN220435326U - Combined engineering machinery counterweight

Info

Publication number: CN220435326U
Application number: CN202321763817.5U
Authority: CN
Inventors: 高玉青; 陈新
Original assignee: Shandong Kaize Heavy Industry Co ltd
Current assignee: Shandong Kaize Heavy Industry Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-02-02
Anticipated expiration: 2033-07-06

Abstract

The utility model relates to a combined engineering machinery counterweight, belonging to the technical field of hanging type counterweight equipment, and further comprising a vertical rod and a moving device sleeved on the vertical rod, wherein a first external thread is arranged on the vertical rod, a through hole is formed in the position, corresponding to the vertical rod, of the counterweight body, a threaded pipe provided with a second external thread is fixedly arranged on the counterweight body, the moving device comprises an upper moving pipe and a lower moving pipe which are fixedly connected with each other, a first internal thread is formed in the inner wall of the upper moving pipe, a second internal thread is formed in the inner wall of the lower moving pipe, the first internal thread is matched with the first external thread, when an operator can select the counterweight to be moved to be stressed upwards through dismantling or installing the moving device, other counterweights are kept relatively static, the pressure of a motor is reduced, and the service life of the motor and the vertical rod is prolonged.

Description

Combined engineering machinery counterweight

Technical Field

The utility model relates to the technical field of hanging type counterweight equipment, in particular to a combined type engineering machinery counterweight.

Background

The chassis for engineering machinery is usually provided with the balancing weight at the tail part of the turret in advance, however, due to space limitation, the balancing weight cannot be placed without limitation, so that when the chassis for engineering machinery is applied to the occasions of large weight and large impact force such as a rotary drilling rig, a grab bucket, an impact grab bucket and the like, chassis state abnormality caused by insufficient chassis quality such as chassis tilting, chassis instability and the like often occurs, and thus, potential safety hazards exist and construction quality can be influenced.

The utility model discloses a balancing weight with hang mechanism in prior art in bulletin number CN212090681U, including device base, balancing weight body and draw-in groove, the inside bracing piece that inserts of device base, the inside fixed mounting of device base has fixed grip block, device base outer wall is provided with the rolling disc, the rolling disc bottom is provided with the threaded rod, the threaded rod bottom is provided with the fixing base, fixing base bottom fixed mounting has movable grip block, balancing weight body outer wall is provided with the handle, the inside fixed swivel nut that is provided with of device base through setting up fixed swivel nut, can pass through the screw thread installation inside the device base with the bracing piece, makes things convenient for it to dismantle, labour saving and time saving. However, the balancing weight and the bracing piece of the device are of a thread structure, when the balancing weight is dismounted, all balancing weights are stressed to move upwards jointly, the bracing piece can be subjected to larger burden after long-time use, the service life of the bracing piece is reduced, and when the balancing weight is dismounted, multiple groups of balancing weights cannot be dismounted separately, so that the flexibility is poor.

Disclosure of Invention

The utility model aims to solve the technical problems of heavy load of a supporting rod and poor removal flexibility when a balancing weight is removed by a screw connection mode, and provides a combined engineering machinery balancing weight.

The technical scheme for solving the technical problems is as follows: the combined engineering machinery counterweight comprises a bottom plate, a counterweight body, a motor, a vertical rod and a moving device sleeved on the vertical rod, wherein the motor is fixedly arranged on the lower side of the bottom plate respectively;

the moving device comprises an upper moving pipe and a lower moving pipe which are fixedly connected with each other, wherein the inner wall of the upper moving pipe is provided with a first internal thread matched with the first external thread, the inner wall of the lower moving pipe is provided with a second internal thread, and the lower moving pipe is in threaded connection with the threaded pipe; the inner diameter of the upper moving pipe is smaller than that of the lower moving pipe, the rotation directions of the first internal thread and the second internal thread are the same, and the moving device comprises a hanging ring fixed above the bottom plate through a fixing piece.

Further, grooves are formed in the positions, corresponding to the threaded pipes, of the lower ends of the balancing weight bodies, and the shapes of the grooves are matched with the shapes of the threaded pipes.

Further, a bracket is fixedly arranged below the bottom plate in a detachable mode.

Further, still include link, connecting plate and multiunit connecting rod, the link is fixed to be located on the connecting plate, the connecting plate is located the pole setting top and is kept the preset distance with the pole setting, connecting rod one end is articulated with the connecting plate, and the other end is prolonged downwards to contact with the bottom plate and pass through fixing bolt connection.

Further, the shape of the connecting plate is matched with the shape of the balancing weight body.

The beneficial effects of the utility model are as follows: the utility model further comprises a vertical rod and a moving device sleeved on the vertical rod, wherein a first external thread is arranged on the vertical rod, a through hole is formed in the position, corresponding to the vertical rod, of the balancing weight body, a threaded pipe provided with a second external thread is fixedly arranged in the position, corresponding to the through hole, of the balancing weight body, the moving device comprises an upper moving pipe and a lower moving pipe which are fixedly connected with each other, a first internal thread is formed in the inner wall of the upper moving pipe, a second internal thread is formed in the inner wall of the lower moving pipe, the first internal thread is in threaded fit with the first external thread, the first internal thread and the second internal thread are in the same rotation direction, the moving pipe is detachably connected with the balancing weight body through the threaded pipe, an operator can select the balancing weight to be moved through removing or installing the moving device, when the balancing weight to be moved upwards is stressed, other balancing weights are kept relatively static, acting forces born when the motor drives the vertical rod to rotate are greatly reduced, and the service life of the motor and the vertical rod is prolonged.

Drawings

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

FIG. 2 is a schematic view of a portion of a structure of the present utility model;

FIG. 3 is a partial two-structure schematic diagram of the present utility model;

in the figure: 1. the bottom plate, 2 balancing weight body, 3, motor, 4, pole setting, 5, first external screw thread, 6, through-hole, 7, second external screw thread, 8, screw thread pipe, 9, upper moving pipe, 10, lower moving pipe, 11, first internal screw thread, 12, second internal screw thread, 13, connecting plate, 14, connecting rod, 15, link, 16, fixing bolt, 17, recess, 18, support.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 3, a combined engineering machinery counterweight of the embodiment comprises a bottom plate 1, a counterweight body 2, a motor 3, a vertical rod 4 and a moving device sleeved on the vertical rod 4, wherein the motor 3 is fixedly arranged on the lower side of the bottom plate 1 respectively, the vertical rod 4 is rotationally connected with the bottom plate 1, the lower end of the vertical rod extends downwards to be fixedly connected with the output end of the motor 3, a first external thread 5 is arranged on the vertical rod 4, a through hole 6 is formed in the counterweight body 2 at a position corresponding to the vertical rod 4, a threaded pipe 8 with a second external thread 7 is fixed at the position, corresponding to the through hole 6, of the upper end of the counterweight body 2, and the outer diameter of the threaded pipe 8 is larger than the inner diameter of the through hole 6;

the moving device comprises an upper moving pipe 9 and a lower moving pipe 10 which are fixedly connected with each other, a first internal thread 11 matched with the first external thread 5 is formed on the inner wall of the upper moving pipe 9, a second internal thread 12 is formed on the inner wall of the lower moving pipe 10, and the lower moving pipe 10 is in threaded connection with the threaded pipe 8; the inner diameter of the upper moving pipe 9 is smaller than that of the lower moving pipe 10, the first internal thread 11 and the second internal thread 12 have the same rotation direction, and the moving device comprises a hanging ring 15 fixed above the bottom plate 1 through a fixing piece.

In this embodiment, the lower extreme of balancing weight body 2 is equipped with recess 17 with screwed pipe 8 corresponding position, recess 17 shape and screwed pipe 8 shape match, can adjust the distance between the adjacent balancing weight body 2 when necessary for closely cut the laminating between the adjacent balancing weight body 2, furthest utilizes the space, improves work efficiency.

In this embodiment, a bracket 18 is detachably fixed below the bottom plate 1.

In this embodiment, still include link 15, connecting plate 13 and multiunit connecting rod 14, link 15 is fixed to be located on the connecting plate 13, connecting plate 13 locates pole setting 4 top and leaves the preset distance with pole setting 4, connecting rod 14 one end is articulated with connecting plate 13, and the other end is prolonged downwards to contact with bottom plate 1 and be connected through fixing bolt 16, the shape of connecting plate 13 cooperatees with balancing weight body 2 shape, can play spacing effect to balancing weight body 2.

When using, operating personnel passes through screwed pipe 8 threaded connection with balancing weight body 2 and mobile device, through the mutually supporting of motor 3 and pole setting 4, first balancing weight body 2 cover is established in pole setting 4 after, start motor 3, motor 3 is moving pole setting 4 and is rotating, drive first balancing weight body 2 downstream through mobile device in pole setting 4, place second balancing weight body 2 after one end time of interval, leave the space between realizing first and second balancing weight body 2, when demolising second balancing weight body 2, operating personnel manually rotate mobile device on the first balancing weight body 2, make pole setting 4 when rotating, first balancing weight body 2 keeps relatively static, greatly alleviateed the burden of pole setting 4 and motor 3, simultaneously through the screw-thread fit between pole setting 4 and the mobile device, very big reduction operating personnel's intensity of labour, labour saving and time saving.

The above example is only one embodiment of the present utility model, which is described in detail and is not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a combination formula engineering machine tool counter weight, includes bottom plate (1) and balancing weight body (2), its characterized in that still includes motor (3), pole setting (4) and the mobile device of cover on pole setting (4), motor (3) are fixed respectively and are located bottom plate (1) downside, pole setting (4) are connected with bottom plate (1) rotation and lower extreme downwardly extending to with motor (3) output fixed connection, be equipped with first external screw thread (5) on pole setting (4), balancing weight body (2) are gone up and are opened through-hole (6) with pole setting (4) corresponding position, balancing weight body (2) upper end and through-hole (6) corresponding position are fixed with screwed pipe (8) that have second external screw thread (7), screwed pipe (8) external diameter is greater than through-hole (6) internal diameter;

the moving device comprises an upper moving pipe (9) and a lower moving pipe (10) which are fixedly connected with each other, wherein a first internal thread (11) matched with the first external thread (5) is formed on the inner wall of the upper moving pipe (9), a second internal thread (12) is formed on the inner wall of the lower moving pipe (10), and the lower moving pipe (10) is in threaded connection with the threaded pipe (8); the inner diameter of the upper moving pipe (9) is smaller than that of the lower moving pipe (10), the first internal threads (11) and the second internal threads (12) have the same rotation direction, and the moving device comprises a hanging ring (15) fixed above the bottom plate (1) through a fixing piece.

2. The combined engineering machinery counterweight according to claim 1, characterized in that a groove (17) is formed at the lower end of the counterweight body (2) and corresponds to the threaded pipe (8), and the shape of the groove (17) is matched with that of the threaded pipe (8).

3. A combined construction machine counterweight according to claim 1, characterized in that a bracket (18) is detachably fixed under the bottom plate (1).

4. The combined engineering machinery counterweight according to claim 1, further comprising a hanging ring (15), a connecting plate (13) and a plurality of groups of connecting rods (14), wherein the hanging ring (15) is fixedly arranged on the connecting plate (13), the connecting plate (13) is arranged above the vertical rod (4) and is kept at a preset distance from the vertical rod (4), one end of the connecting rod (14) is hinged with the connecting plate (13), and the other end of the connecting rod (14) is downwards extended to be contacted with the bottom plate (1) and is connected through a fixing bolt (16).

5. A combined construction machine counterweight according to claim 4, characterized in that the shape of the connecting plate (13) is matched to the shape of the counterweight body (2).