CN218620026U

CN218620026U - Counterweight structure for construction machinery

Info

Publication number: CN218620026U
Application number: CN202223185823.5U
Authority: CN
Inventors: 吴敬民; 邵明臣; 李铭; 王松; 郝远明; 谢成友
Original assignee: Xuzhou Yuancheng Machinery Manufacturing Co ltd
Current assignee: Xuzhou Yuancheng Machinery Manufacturing Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-14
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to a construction machinery counter weight technical field especially relates to a be used for construction machinery counter weight structure, which comprises a roof, the upper surface four corners department of roof all fixes the connecting block that is provided with and is connected with the loop wheel machine, the intermediate part of roof separately is equipped with the thread groove, the equal fixedly connected with of four corners department of roof bottom surface erects the frame, be provided with bottom mechanism between four perpendicular frames, bottom mechanism includes inserted bar and two chassis, the left end fixedly connected with of roof keeps off the frame, the right-hand member of roof rotates and is connected with spacing, the circular slot has been seted up to spacing lower extreme, make spacing, keep off frame and four perpendicular frames and carry on spacingly to the balancing weight jointly, keep the stable difficult break away from of stopper position, stability is improved, the balancing weight is placed according to quantity and is accomplished the back, insert the inserted bar, make the inserted bar keep between roof and link through thread groove and thread dish, the inserted bar cup joints with the balancing weight mid portion activity, further promote the position stability of stopper.

Description

Counterweight structure for construction machinery

Technical Field

The utility model relates to a construction machinery counter weight technical field especially relates to a be used for construction machinery counter weight structure.

Background

When the construction is carried out on a building site, a tower crane is required to be used for hoisting some large objects, and devices are required to be configured on the tower crane to ensure that the weights of two sides of the tower crane are not unbalanced;

as disclosed in the chinese patent: the utility model provides a building tower crane counter weight device, the publication number: CN211769946U solves the problems that most of the prior counterweight devices adopt screws for fixing the counterweight block, and the screws are rusted after a long time of fixing and inconvenient to disassemble and use by users;

the counter weight structure of the building machinery, the limiting structure between the counter weight block and the bearing frame is single, and the position of the limiting block is limited unstably by the single limiting structure after the limiting structure is loosened, so that the counter weight structure for the building machinery is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a counterweight structure for construction machinery.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a be used for construction machinery counter weight structure, includes the roof, the upper surface four corners department of roof all fixedly is provided with the connecting block of being connected with the loop wheel machine, the intermediate part of roof is equipped with the thread groove separately, the equal fixedly connected with of four corners department of roof bottom surface erects the frame, four erect and be provided with bottom mechanism between the frame, bottom mechanism includes inserted bar and two chassis, the left end fixedly connected with of roof keeps off the frame, the right-hand member of roof rotates and is connected with spacing, the circular slot has been seted up to spacing lower extreme.

As a preferred technical scheme of the utility model, the upper end of inserted bar is the thread face, the lower extreme fixedly connected with chassis of inserted bar, the inserted bar cup joints with the thread groove screw thread, the face upper end screw thread of inserted bar has cup jointed the thread dish, thread dish bottom surface and roof laminating.

As a preferred technical scheme of the utility model, two fixedly connected with link between the chassis, the dish groove has been seted up to the bottom surface of link, the pole groove has been seted up to the upper surface of link, the pole groove is put through with a set groove, a set groove and chassis activity joint.

As an optimized technical scheme of the utility model, the balancing weight has been cup jointed in the face activity of inserted bar, the side of balancing weight and four surface activities that erect the frame laminate, keep off the opposite face of frame and spacing and also laminate with the balancing weight activity.

As a preferred technical scheme of the utility model, the spout has still been seted up to the bottom surface of link, is located the right-hand member logical groove has been seted up on the chassis, lead to groove and spout switch-on, it has cup jointed the kelly to lead to the inslot activity, the tip fixedly connected with connection piece of kelly, the connection piece can slide in the spout.

As a preferred technical scheme of the utility model, the left end fixedly connected with stationary blade on spout groove edge, the three round bar of fixedly connected with on the stationary blade is located the centre the spring has been cup jointed in the activity of round bar face, and is three the round bar all cup joints with the connection piece activity, the both ends of spring respectively with connection piece and stationary blade fixed connection.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

firstly, the connecting sheet is pulled to enable the clamping rod to move out of the circular groove, the limiting frame can be rotated at the moment, the balancing weight can be placed between the four vertical frames, then the clamping rod is reset, the limiting frame, the blocking frame and the four vertical frames can limit the balancing weight together, the position of the limiting block is kept stable and not easy to separate, the stability is improved, after the balancing weight is placed according to the number, the inserting rod is inserted, the inserting rod is kept between the top plate and the connecting frame through the threaded groove and the threaded disc, the inserting rod is movably sleeved with the middle part of the balancing weight, and the position stability of the limiting block is further improved;

and secondly, the inserted bar is connected with the top plate through the threaded disc and the threaded groove when playing the position of the limiting balancing weight, so that the connecting frame can share the pressure of the balancing weight received by the chassis, and the service life of the device is effectively prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the middle top plate of the present invention;

fig. 3 is a schematic structural view of the middle chassis of the present invention;

fig. 4 is a schematic structural view of the middle insert rod of the present invention.

Wherein: 1. a top plate; 2. a chassis; 3. a rod is inserted; 4. a thread groove; 5. a blocking frame; 6. a circular groove; 7. a vertical frame; 8. a limiting frame; 10. a chassis; 11. a counterweight block; 12. a connecting frame; 13. a threaded disk; 14. a through groove; 15. a clamping rod; 16. connecting sheets; 17. a spring; 18. a round bar; 19. a fixing sheet; 20. a disc groove; 21. a chute; 22. a rod groove.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

As shown in fig. 1-4, a counterweight structure for construction machinery comprises a top plate 1, wherein four corners of the upper surface of the top plate 1 are fixedly provided with connecting blocks connected with a crane, the middle part of the top plate 1 is provided with a thread groove 4, four corners of the bottom surface of the top plate 1 are fixedly connected with vertical frames 7, a bottom mechanism is arranged between the four vertical frames 7 and comprises an inserted rod 3 and two bottom frames 2, the left end of the top plate 1 is fixedly connected with a baffle frame 5, the right end of the top plate 1 is rotatably connected with a limiting frame 8, the lower end of the limiting frame 8 is provided with a circular groove 6, the upper end of the inserted rod 3 is a thread surface, the lower end of the inserted rod 3 is fixedly connected with a chassis 10, the inserted rod 3 is in threaded sleeve joint with the thread groove 4, the upper end of the rod surface of the inserted rod 3 is in threaded sleeve joint with a thread disc 13, the bottom surface of the thread disc 13 is in fit with the top plate 1, the two bottom frames 2 are fixedly connected with a connecting frame 12, the bottom surface of the connecting frame 12 is provided with a disc groove 20, the upper surface of the connecting frame 12 is provided with a rod groove 22, the rod groove 22 is communicated with the disc groove 20, the rod groove 20 is movably connected with the disc groove, the movable clamp joint with the movable clamp joint of the rod 3, the movable clamp joint with the movable block 11 of the movable block 11, the movable block 11 and the limiting frame 11, and the four vertical frames 11 are also are opposite surfaces of the limiting frame 8;

chute 21 has still been seted up to the bottom surface of link 12, it has logical groove 14 to have seted up on the chassis 2 that is located the right-hand member, it has the switch-on with chute 21 to lead to groove 14, pulling connection piece 16 makes kelly 15 shift out circular slot 6, this moment can rotate gag lever post 8, make balancing weight 11 can put into between four perpendicular framves 7, then reset kelly 15 can make gag lever post 8, fender frame 5 and four perpendicular framves 7 carry out spacing to balancing weight 11 jointly, it is difficult for breaking away from to keep balancing weight 11 stable position, improve stability, balancing weight 11 places according to quantity and accomplishes the back, insert inserted bar 3, make inserted bar 3 keep between roof 1 and link 12 through thread groove 4 and thread dish 13, inserted bar 3 and balancing weight 11 mid portion movable sleeve joint, further promote the position stability of balancing weight 11, inserted bar 3 is playing restriction balancing weight 11 position when balancing weight 11 position, because inserted bar 3 passes through thread dish 13 and thread groove 4 and roof 1 and is connected, make linking frame 12 can the balancing weight 11 that chassis 2 received balancing weight's pressure, effective extension fixture's life, effectively, kelly 14 interior movable sleeve has kelly 15, the end fixing of kelly 15 is connected with connection piece 16, connecting piece is connected with connecting piece 18 and the three fixed connection piece that connecting piece 18 is connected with the fixed connection piece is connected with the three fixed link that has all along the fixed link of connecting piece 18 on the circular slot 17, three fixed link 18 and the fixed link that connecting piece 18 is connected with the three fixed link 18 respectively, the fixed link 16, the three fixed link 18 is located the three fixed link that the circular slot 18 in the circular slot 18, the fixed link 18 of connecting piece 18, the fixed link 18 and the fixed link 18, the fixed link 18 in the groove 16, the fixed link 18 of connecting piece 18, the middle of connecting piece 18, the fixed link 18, the three fixed link 18 in the fixed link 18 and the fixed link 18 respectively, the fixed link.

When using, pulling connection piece 16 makes kelly 15 shift out circular slot 6, spacing 8 can be rotated this moment, make balancing weight 11 can put into between four perpendicular framves 7, then the kelly 15 that resets can make spacing 8, keep off frame 5 and four perpendicular framves 7 and carry on spacingly to balancing weight 11 jointly, it is difficult for breaking away from to keep balancing weight 11 position stable, stability is improved, balancing weight 11 places the completion back according to quantity, insert inserted bar 3, make inserted bar 3 keep between roof 1 and link 12 through thread groove 4 and thread dish 13, inserted bar 3 cup joints with balancing weight 11 mid portion activity, further promote the position stability of balancing weight 11, inserted bar 3 is when playing restriction balancing weight 11 position, because inserted bar 3 is connected with roof 1 through thread dish 13 and thread groove 4, make link 12 can share the pressure of balancing weight 11 that chassis 2 received, effective extension fixture's life.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The counterweight structure for the construction machinery comprises a top plate (1), and is characterized in that four corners of the upper surface of the top plate (1) are fixedly provided with connecting blocks connected with a crane, the middle part of the top plate (1) is provided with a thread groove (4), and four corners of the bottom surface of the top plate (1) are fixedly connected with vertical frames (7);

and a bottom mechanism is arranged between the four vertical frames (7), and comprises an inserted bar (3) and two bottom frames (2).

2. The counterweight structure for construction machinery according to claim 1, wherein a blocking frame (5) is fixedly connected to the left end of the top plate (1), a limiting frame (8) is rotatably connected to the right end of the top plate (1), and a circular groove (6) is formed in the lower end of the limiting frame (8).

3. The counterweight structure for construction machinery according to claim 2, characterized in that the upper end of the inserted bar (3) is a threaded surface, the lower end of the inserted bar (3) is fixedly connected with a chassis (10), the inserted bar (3) is in threaded sleeve connection with the threaded groove (4), the upper end of the face of the inserted bar (3) is in threaded sleeve connection with a threaded disc (13), and the bottom surface of the threaded disc (13) is attached to the top plate (1).

4. The counterweight structure for construction machinery according to claim 3, characterized in that a connecting frame (12) is fixedly connected between the two bottom frames (2), a plate groove (20) is formed in the bottom surface of the connecting frame (12), a rod groove (22) is formed in the upper surface of the connecting frame (12), the rod groove (22) is communicated with the plate groove (20), and the plate groove (20) is movably clamped with the chassis (10).

5. The counterweight structure for construction machinery according to claim 4, wherein a counterweight (11) is movably sleeved on the face of the inserted link (3), the side face of the counterweight (11) is movably jointed with the surfaces of the four vertical frames (7), and the opposite faces of the blocking frame (5) and the limiting frame (8) are also movably jointed with the counterweight (11).

6. The counterweight structure for construction machinery according to claim 5, wherein a sliding groove (21) is further formed in the bottom surface of the connecting frame (12), a through groove (14) is formed in the bottom frame (2) at the right end, the through groove (14) is communicated with the sliding groove (21), a clamping rod (15) is movably sleeved in the through groove (14), a connecting piece (16) is fixedly connected to the end portion of the clamping rod (15), and the connecting piece (16) can slide in the sliding groove (21).

7. The counterweight structure for construction machinery according to claim 6, wherein a fixing plate (19) is fixedly connected to the left end of the groove edge of the sliding groove (21), three round bars (18) are fixedly connected to the fixing plate (19), a spring (17) is movably sleeved on the surface of the middle round bar (18), the three round bars (18) are movably sleeved with the connecting piece (16), and two ends of the spring (17) are respectively and fixedly connected with the connecting piece (16) and the fixing plate (19).