CN219361195U - Crawler beam of light crane - Google Patents

Abstract

The utility model discloses a crawler beam of a light crane, which relates to the technical field of light cranes and comprises a beam plate, wherein two sides of the beam plate are respectively connected with an extending plate in a clamping way, the surfaces of the two extending plates are respectively connected with a crawler belt through wheel body transmission, a mounting assembly is arranged between the two extending plates and the beam plate, a rotating disk is fixedly arranged in the middle of the top end of the beam plate, two sides of the top end of the beam plate are respectively fixedly provided with a vertical plate, and one sides of the two vertical plates are respectively provided with a tensioning assembly: through rotating four limit bolts, and then make no longer fixed between four terraces and the beam slab, immediately pull two extension boards to the outside, four terraces are separated with four second draw-in grooves respectively after the tensile force influences, four first spring contractions make four slide respectively in the inboard of four first spouts simultaneously, after four terraces get into four first spouts respectively, two extension boards then separate with the beam slab completely, and then the staff of being convenient for dismantles maintenance to this track roof beam.

Description

Crawler beam of light crane

Technical Field

The utility model relates to a crawler beam, in particular to a crawler beam of a light crane, and belongs to the technical field of light cranes.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, also called crown block, aerial crane and crane, and the hoisting equipment has the working characteristics of intermittent motion, namely corresponding mechanisms for taking materials, moving, unloading and other actions in one working cycle are alternately operated, the development and the use of the crane in the market are wider and wider, the crawler beam is an important bearing structure of the crane, and the running weight of the crane can be better ensured during the use.

The application number is CN202122470995.6, the technology of the light-weight mobile crane track beam disclosed by the application number is CN202122470995.6, the technology is realized by attaching the track body to the I-shaped Liang Zhengmian during working, the track body is driven to move by using the movement of the roller after the attachment is finished, the engagement block is engaged with the track body during the moving process, the engagement block is engaged with the track body, the stability of transmission can be better ensured, the safety is better, the hub can better ensure the strength of the roller when the roller drives the track body to move, the application number is CN202022833469.7, the device for protecting the track beam is not arranged in the heavy-weight mobile crane track beam disclosed by the application number, the technical defects that the mechanical track Liang Youyu is easy to damage during long-term operation, the service life is short and the like are overcome, and the two kinds of the disclosed technologies have the following defects in the using process:

when the crawler beams of the crane in the two disclosed technologies are used in the crane, as the crawler beams and the frames supporting the crawler operation are mostly welded and fixed, the crawler beams cannot be detached independently, and the surfaces of the crawler beams are extremely easy to wear or break after the crawler beams bear for a long time, the crawler beams and the frames supporting the crawler operation are required to be replaced together during maintenance, so that the maintenance cost of the light crane is improved.

Disclosure of Invention

The utility model aims to provide a light crane track beam, which solves the problem that the track beam cannot be detached independently in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a light crane track roof beam, includes the beam slab, the equal block in both sides of beam slab is connected with the extension board, two the surface of extension board all is connected with the track through the wheel body transmission, two all be equipped with the installation component between extension board and the beam slab, the fixed rotary disk that is equipped with in middle part on beam slab top, the both sides on beam slab top are all fixed and are equipped with the riser, two one side of riser all is equipped with the tight subassembly that rises, two the bottom of riser one side is all fixed and is equipped with the support frame.

Preferably, two installation component all includes first draw-in groove, cardboard, two first spouts, two slide two first springs, two the inner wall in beam slab both sides is seted up respectively to first draw-in groove, two the equal block in inner wall of first draw-in groove is connected with the cardboard, two the cardboard respectively with two extension board fixed connection, two first spouts have all been seted up to the inner wall of cardboard both sides, four the equal sliding connection of inner wall of first spout has the slide, four the one side of first spout inner wall is all fixed and is equipped with first spring, two the one end of first spring respectively with two slide fixed connection.

Preferably, four one side of slide all is fixed and is equipped with the ladder board, two the second draw-in groove has all been seted up to the both sides of first draw-in groove inner wall, four the second draw-in groove respectively with four ladder board assorted, four the ladder board respectively with the four corners threaded connection on beam slab top have stop bolt.

Preferably, two the tight subassembly that rises all includes the slide rail, removes the seat, connects lead screw, screw nut and driving motor, two the slide rail is fixed the top of setting in two riser one sides respectively, two the equal sliding connection of inner wall of slide rail has removes the seat, two connect the lead screw and all rotate the top of connecting at two support frames respectively through the bearing, two the inner wall that removes the seat is all fixed be equipped with respectively with two screw nut that connect lead screw threaded connection, two driving motor is fixed the bottom that sets up in two support frames respectively, two driving motor's transmission shaft respectively with the bottom fixed connection of two connection lead screws.

Preferably, two one side of the movable seat is fixedly provided with a fixed plate, two second sliding grooves are formed in the inner wall of the top end of the fixed plate, two second springs are fixedly arranged at the bottom ends of the inner walls of the second sliding grooves, tensioning blocks are fixedly arranged at the top ends of the second springs, and the two tensioning blocks are respectively connected with the two second sliding grooves in a sliding mode.

Preferably, one side of each tensioning block is rotatably connected with a rotating shaft through a bearing, and one end of each rotating shaft is fixedly provided with a tensioning wheel.

Preferably, a switch panel is fixedly arranged on one side of the top end of the beam plate, two driving motor switches are respectively arranged on the surface of the switch panel, and the two driving motors are respectively electrically connected with a power supply through the two driving motor switches.

Compared with the related art, the crawler beam of the light crane has the following beneficial effects:

1. through rotating four limit bolts, the four ladder plates and the beam plates are not fixed any more, the two extension plates are pulled outwards, the four ladder plates are separated from the four second clamping grooves respectively after being influenced by tension force, meanwhile, the four first springs are contracted to enable the four sliding plates to slide on the inner sides of the four first sliding grooves respectively, and when the four ladder plates enter the four first sliding grooves respectively, the two extension plates are completely separated from the beam plates, so that a worker can conveniently detach and maintain the crawler beam;

2. the transmission shaft through two driving motor rotates and can drive two connection lead screw rotation respectively, two connection lead screw rotations make two remove the seat and upwards slide at the inner wall of two slide rails respectively, simultaneously two fixed plates and two tight piece that rise upwards move, and then make two tight effect that rises realize rising to two tracks in order to adjust two tracks and maintain, and this track roof beam installs when the bottom at light crane operates, receive the influence of two second spring self elasticity for two tight pieces that rise upwards slide along the inner wall of two second spouts respectively, thereby can prevent that two tracks from loosening at hoist operation in-process.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

fig. 4 is an enlarged sectional view of the riser of the present utility model.

In the figure: 1. a beam plate; 2. an extension plate; 3. a track; 4. a mounting assembly; 5. a rotating disc; 6. a vertical plate; 7. a tensioning assembly; 8. a support frame; 9. a fixing plate; 10. a second chute; 11. a second spring; 12. a tensioning block; 13. a rotating shaft; 14. a tensioning wheel; 15. a switch panel; 41. a first clamping groove; 42. a clamping plate; 43. a first chute; 44. a slide plate; 45. a first spring; 441. a ladder plate; 442. a second clamping groove; 443. a limit bolt; 71. a slide rail; 72. a movable seat; 73. connecting a screw rod; 74. and a screw nut.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-4, the utility model provides a crawler beam of a light crane, which comprises a beam plate 1, wherein two sides of the beam plate 1 are respectively connected with an extension plate 2 in a clamping way, surfaces of the two extension plates 2 are respectively connected with a crawler 3 through wheel body transmission, a mounting assembly 4 is respectively arranged between the two extension plates 2 and the beam plate 1, a rotary disk 5 is fixedly arranged in the middle of the top end of the beam plate 1, two sides of the top end of the beam plate 1 are respectively fixedly provided with a vertical plate 6, one side of each vertical plate 6 is respectively provided with a tensioning assembly 7, and the bottoms of one side of each vertical plate 6 are respectively fixedly provided with a supporting frame 8;

referring to fig. 1-4, a track beam of a light crane further comprises two mounting assemblies 4, wherein the two mounting assemblies 4 comprise a first clamping groove 41, a clamping plate 42, two first sliding grooves 43 and two first springs 45 of two sliding plates 44, the two first clamping grooves 41 are respectively formed in the inner walls of the two sides of the beam plate 1, the clamping plates 42 are respectively connected with the inner walls of the two first clamping grooves 41 in a clamping manner, the two clamping plates 42 are respectively fixedly connected with the two extension plates 2, the first sliding grooves 43 are respectively formed in the inner walls of the two sides of the two clamping plates 42, the sliding plates 44 are respectively and slidably connected with the inner walls of the four first sliding grooves 43, the first springs 45 are respectively and fixedly arranged on one sides of the inner walls of the four first sliding grooves 43, and one ends of the two first springs 45 are respectively and fixedly connected with the two sliding plates 44;

the ladder boards 441 are fixedly arranged on one side of the four sliding boards 44, the second clamping grooves 442 are formed on two sides of the inner wall of the two first clamping grooves 41, the four second clamping grooves 442 are respectively matched with the four ladder boards 441, and the four ladder boards 441 are respectively connected with limit bolts 443 in a threaded manner with four corners of the top end of the beam board 1;

specifically, as shown in fig. 1, 2 and 4, when the beam plate 1 and the two tracks 3 need to be disassembled, the four limit bolts 443 are turned in turn, so that the four ladder plates 441 are not fixed with the beam plate 1, the two extension plates 2 are pulled outwards, the four ladder plates 441 are separated from the four second clamping grooves 442 after being influenced by tension force, and meanwhile, the four first springs 45 are contracted, so that the four sliding plates 44 slide on the inner sides of the four first sliding grooves 43, and when the four ladder plates 441 enter the four first sliding grooves 43, the two extension plates 2 are completely separated from the beam plate 1, so that the track beam is convenient for a worker to disassemble and maintain.

Example 2:

the two tensioning assemblies 7 comprise sliding rails 71, moving seats 72, connecting screw rods 73, screw rod nuts 74 and driving motors 75, the two sliding rails 71 are respectively and fixedly arranged at the tops of one sides of the two vertical plates 6, the inner walls of the two sliding rails 71 are respectively and slidably connected with the moving seats 72, the two connecting screw rods 73 are respectively and rotatably connected to the tops of the two supporting frames 8 through bearings, screw rod nuts 74 respectively in threaded connection with the two connecting screw rods 73 are respectively and fixedly arranged on the inner walls of the two moving seats 72, the two driving motors 75 are respectively and fixedly arranged at the bottom ends of the two supporting frames 8, and the transmission shafts of the two driving motors 75 are respectively and fixedly connected with the bottom ends of the two connecting screw rods 73;

one side of each movable seat 72 is fixedly provided with a fixed plate 9, the inner walls at the top ends of the two fixed plates 9 are respectively provided with a second chute 10, the bottom ends of the inner walls of the two second chutes 10 are respectively fixedly provided with a second spring 11, the top ends of the two second springs 11 are respectively fixedly provided with a tensioning block 12, and the two tensioning blocks 12 are respectively connected with the two second chutes 10 in a sliding manner;

one side of each tensioning block 12 is rotatably connected with a rotating shaft 13 through a bearing, and one end of each rotating shaft 13 is fixedly provided with a tensioning wheel 14;

a switch panel 15 is fixedly arranged on one side of the top end of the beam plate 1, two driving motor switches are respectively arranged on the surface of the switch panel 15, and the two driving motors 75 are respectively and electrically connected with a power supply through the two driving motor switches;

specifically, as shown in fig. 1 and 3, when the tension degree of the two tracks 3 is poor and loose, the two driving motor switches on the surface of the switch panel 15 are turned on in sequence, the transmission shafts of the two driving motors 75 rotate to drive the two connecting screw rods 73 to rotate respectively, the two connecting screw rods 73 rotate to enable the two moving seats 72 to slide upwards on the inner walls of the two sliding rails 71 respectively, and meanwhile, the two fixing plates 9 and the two tension blocks 12 move upwards, so that the two tension wheels 14 realize the tension effect on the two tracks 3 to adjust and maintain the two tracks 3, and when the track beam is installed at the bottom of the light crane to operate, the two tension blocks 12 slide upwards along the inner walls of the two second sliding grooves 10 respectively under the influence of the self elasticity of the two second springs 11, so that the two tracks 3 can be prevented from loosening in the operation process of the crane.

Working principle: when the light crane track beam is particularly used, firstly, when the tension degree of the two tracks 3 is poor and loose, two driving motor switches on the surface of the switch panel 15 are sequentially opened, the transmission shafts of the two driving motors 75 rotate to respectively drive the two connecting screw rods 73 to rotate, the two connecting screw rods 73 rotate to enable the two movable bases 72 to respectively slide upwards on the inner walls of the two sliding rails 71, meanwhile, the two fixing plates 9 and the two tension blocks 12 move upwards, the two tension wheels 14 achieve the tension effect on the two tracks 3 to adjust and maintain the two tracks 3, the track beam is installed at the bottom of the crane and is influenced by the self elasticity of the two second springs 11, the two tension blocks 12 respectively slide upwards along the inner walls of the two second sliding grooves 10, so that the two tracks 3 can be prevented from loosening in the operation process of the crane, when the beam plate 1 and the two tracks 3 are required to be disassembled, the four limit bolts 443 are rotated, the four ladder plates 441 are not fixed any more, the four ladder plates 441 are enabled to be separated from the beam plate 1, the four side plates 45 are enabled to be separated from the four side plates 43, and the four side plates 45 are enabled to be separated from the four side by one another, and the four side plates 43 are enabled to be convenient to be separated from the four side by the four side plates 43, and the four side plates 43 are enabled to be separated from the four side plates 43 to be separated, and then the four side plates are enabled to be separated, and the side by the four side plates are 4 are separated, and the side plates are 4 are separated, and are 4 are separated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a light crane track roof beam, includes beam slab (1), its characterized in that, the equal block in both sides of beam slab (1) is connected with extension board (2), two the surface of extension board (2) all is connected with track (3) through the wheel body transmission, two all be equipped with installation component (4) between extension board (2) and beam slab (1), the fixed rotary disk (5) that is equipped with in middle part on beam slab (1) top, the both sides on beam slab (1) top are all fixed and are equipped with riser (6), two one side of riser (6) all is equipped with tight subassembly (7) that rises, two the bottom of riser (6) one side is all fixed and is equipped with support frame (8).

2. A crawler beam for a light weight crane according to claim 1, wherein: two installation component (4) all include first draw-in groove (41), cardboard (42), two first spouts (43), two slide (44) two first springs (45), two the inner wall in beam slab (1) both sides is seted up respectively to first draw-in groove (41), two the equal block of inner wall of first draw-in groove (41) is connected with cardboard (42), two cardboard (42) respectively with two extension board (2) fixed connection, two first spout (43) have all been seted up to the inner wall of cardboard (42) both sides, four the equal sliding connection of inner wall of first spout (43) has slide (44), four one side of first spout (43) inner wall is all fixed and is equipped with first spring (45), two the one end of first spring (45) respectively with two slide (44) fixed connection.

3. A crawler beam for a light weight crane according to claim 2, wherein: the four slide boards (44) are fixedly provided with ladder boards (441) on one side, two second clamping grooves (442) are formed in two sides of the inner wall of the first clamping groove (41), the four second clamping grooves (442) are respectively matched with the four ladder boards (441), and the four ladder boards (441) are respectively connected with limit bolts (443) with four corners of the top end of the beam board (1) in a threaded mode.

4. A crawler beam for a light weight crane according to claim 1, wherein: the two tensioning assemblies (7) comprise sliding rails (71), moving seats (72), connecting screw rods (73), screw rod nuts (74) and driving motors (75), the two sliding rails (71) are respectively and fixedly arranged at the tops of one sides of two vertical plates (6), the two inner walls of the sliding rails (71) are respectively and slidably connected with the moving seats (72), the two connecting screw rods (73) are respectively and rotatably connected to the tops of two supporting frames (8) through bearings, the two screw rod nuts (74) which are respectively and threadedly connected with the two connecting screw rods (73) are respectively and fixedly arranged on the inner walls of the moving seats (72), the two driving motors (75) are respectively and fixedly arranged at the bottoms of the two supporting frames (8), and transmission shafts of the two driving motors (75) are respectively and fixedly connected with the bottoms of the two connecting screw rods (73).

5. A light weight crane track beam as claimed in claim 4, wherein: two fixed plate (9) that are equipped with in one side of movable seat (72), two second spout (10) have all been seted up to the inner wall on fixed plate (9) top, two the bottom of second spout (10) inner wall is all fixed and is equipped with second spring (11), two the top of second spring (11) is all fixed and is equipped with tight piece (12) that rises, two tight piece (12) that rise respectively with two second spouts (10) sliding connection.

6. A light weight crane track beam as claimed in claim 5, wherein: one side of each tensioning block (12) is rotatably connected with a rotating shaft (13) through a bearing, and one end of each rotating shaft (13) is fixedly provided with a tensioning wheel (14).

7. A light weight crane track beam as claimed in claim 4, wherein: a switch panel (15) is fixedly arranged on one side of the top end of the beam plate (1), two driving motor switches are respectively arranged on the surface of the switch panel (15), and two driving motors (75) are respectively and electrically connected with a power supply through the two driving motor switches.