CN216129249U

CN216129249U - Adjustable support of crane

Info

Publication number: CN216129249U
Application number: CN202121162120.3U
Authority: CN
Inventors: 辛艳秋
Original assignee: Individual
Current assignee: Dalian Langtailong Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-03-25
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to the technical field of cranes, in particular to an adjustable support of a crane, which comprises a base, wherein the base is rectangular, a first through hole is formed in the base, a first circular chute is formed in the upper surface of the base, a mounting frame is fixedly installed at the top of the base, a positioning column matched with the first through hole is fixedly connected to the lower surface of the mounting frame, and a second circular chute is formed in the lower surface of the mounting frame. The utility model has the advantages that: through being provided with the ball between base and mounting bracket, realized the rotation of hoist support, make things convenient for the hoist to object on every side, drive the cooperation between slidable mounting piece and the first backup pad through the motor, realized the arbitrary regulation of hoist support height, the hoist of being convenient for carries out not co-altitude to the object and lifts by crane, can reduce the load of motor through setting up two motors, through the universal wheel that is equipped with, improves the mobility of hoist operation.

Description

Adjustable support of crane

Technical Field

The utility model relates to the technical field of cranes, in particular to an adjustable support of a crane.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The crane is also called as hoisting equipment, and is an important tool and equipment for realizing mechanical and automatic production process, reducing heavy physical labor and improving labor productivity in industrial, traffic and building enterprises. The crane support is an important component for supporting the whole crane, most of crane supports on the market today only play a role in supporting and fixing, the crane cannot be made to be flexible, the lifted goods can be placed on a designated operation point for lifting operation, and the crane support is very heavy and not beneficial to lifting and moving operation of small-sized heavy objects, so that the crane support is improved, and the adjustable support of the crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides an adjustable support of a crane.

The purpose of the utility model is realized by the following technical scheme: an adjustable support of a crane comprises a base, wherein the base is rectangular, a first through hole is formed in the base, a first circular chute is formed in the upper surface of the base, a mounting frame is fixedly mounted at the top of the base, a positioning column matched with the first through hole is fixedly connected to the lower surface of the mounting frame, a second circular chute is formed in the lower surface of the mounting frame, a plurality of round balls are slidably connected to the inner wall of the first circular chute, one side, away from the second circular chute, of each round ball is slidably connected to the inner wall of the first circular chute, a fixing block is fixedly connected to the middle of the upper surface of the mounting frame, a first mounting hole is formed in the fixing block, a lead screw is movably mounted in the first mounting hole, a motor mounting plate is fixedly connected to one end of the mounting frame, and one end, away from the motor mounting plate, of the mounting frame is fixedly connected with a bearing mounting plate, the motor is fixedly arranged on one side, away from the mounting frame, of the motor mounting plate, the output end of the motor is fixedly connected to one end of the screw rod, a first bearing mounting hole is formed in the bearing mounting plate, a bearing is fixedly arranged in the first bearing mounting hole, one end, away from the motor, of the screw rod is sleeved on the inner wall of the bearing, the middle of the screw rod is a smooth cylinder body, the cylinder body is sleeved on the inner wall of the first mounting hole, threads on two sides of the cylinder body are mutually reverse threads, sliding mounting blocks are sleeved on the outer surfaces of the threads on two ends of the cylinder body, internal threads matched with the screw rod are formed in the two sliding mounting blocks, first mounting columns are fixedly connected to two ends of the sliding mounting blocks, a first supporting plate is fixedly arranged at the top of the sliding mounting blocks, and a first mounting groove is formed in the first supporting plate, the two sides of the first mounting groove are respectively provided with a second mounting hole, the inside of the second mounting hole is sleeved with a first mounting column, the top of the first supporting plate is fixedly connected with a second mounting column, the top of the first supporting plate is movably provided with a mounting plate, the lower surface of the mounting plate is fixedly connected with a first mounting block, the inside of the first mounting block is provided with a third mounting hole, the inside of the third mounting hole is sleeved with a second mounting column, the upper surface of the mounting plate is fixedly connected with a second mounting block, the inside of the second mounting block is provided with a groove, the groove is irregularly connected with a third mounting column, the top of the second mounting block is fixedly provided with a hydraulic cylinder, the bottom end of the hydraulic cylinder is provided with a fourth mounting hole, the telescopic end of the hydraulic cylinder is provided with a fifth mounting hole, and the upper surface of the mounting plate is fixedly connected with a second supporting plate, a second mounting groove is formed in the middle of the second supporting plate, a fourth mounting column is fixedly connected to the top end of the interior of the second mounting groove, a hanging rod is movably arranged at the top of the second supporting plate, a sixth mounting hole is arranged in the middle of the hanging rod, a fourth mounting column is sleeved on the inner wall of the sixth mounting hole, a third mounting groove is formed in one end, close to the hydraulic cylinder, of the suspender, a fifth mounting column is fixedly connected inside the third mounting groove, the outer surface of the fifth mounting column is sleeved on the inner wall of the fifth mounting hole, the two sides of the mounting rack are fixedly connected with a fixing rack, the inside of the fixing rack is provided with a chute, the two sides of the mounting plate are fixedly connected with sliding blocks matched with the sliding grooves, the sliding blocks are rectangular, the surface sliding connection of slider is in the inside of spout, the both sides fixedly connected with fixed stay of mount.

Optionally, four universal wheels are fixedly mounted on the lower surface of the base, a first circular sliding groove and a circular ball which are formed in the upper surface of the base are equal in diameter, and a second circular sliding groove and a circular ball are equal in diameter.

Optionally, lead screw and motor all have two the motor is all through four screw fixed mounting in one side of motor mounting panel, two the bearing has all been cup jointed to the one end that the motor was kept away from to the lead screw, two the surface of lead screw has all been cup jointed two slidable mounting pieces, the lower surface of slidable mounting piece is the upper surface of plane and sliding connection at the mounting bracket.

Optionally, there are two first backup pads, two the top fixed connection of first backup pad is at the lower surface of mounting panel, two the equal fixed connection in bottom of first backup pad is at the top of slidable mounting piece.

Optionally, the mount has two, two the mount is in the both sides of mount, mounting panel movable mounting is between two mounts, the both sides of mounting panel all contact with the mount.

Optionally, the power models of the two motors are the same, and the two motors rotate towards one direction. Optionally, the length of the mounting plate is not greater than the length of the mounting bracket.

The utility model has the following advantages:

1. this adjustable support of hoist through being provided with the ball between base and mounting bracket, has realized the rotation of hoist support, makes things convenient for the hoist to object on every side, drives the cooperation between slidable mounting piece and the first backup pad through the motor, has realized the arbitrary regulation of hoist support height, and the hoist of being convenient for carries out not co-altitude to the object and lifts by crane, can reduce the load of motor through setting up two motors, through the universal wheel that is equipped with, improves the mobility of hoist operation.

2. This adjustable support of hoist can reduce the frictional force between lead screw and the bearing mounting panel through being provided with the bearing in the one end of lead screw, can effectively improve the life of lead screw, has reduced the load of motor simultaneously.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the structure of the mounting bracket of the present invention;

fig. 6 is a schematic view of the screw structure of the present invention.

In the figure: 1-a base, 2-a first through hole, 3-a first circular sliding groove, 4-a mounting rack, 5-a positioning column, 6-a second circular sliding groove, 7-a ball, 8-a positioning block, 9-a first mounting hole, 10-a lead screw, 11-a motor mounting plate, 12-a bearing mounting plate, 13-a motor, 14-a bearing first mounting hole, 15-a bearing, 16-a column, 17-a sliding mounting block, 18-an internal thread, 19-a first mounting column, 20-a first supporting plate, 21-a first mounting groove, 22-a second mounting hole, 23-a second mounting column, 24-a mounting plate, 25-a first mounting block, 26-a third mounting hole, 27-a second mounting block, 28-a third mounting column, 29-a hydraulic cylinder, 30-a fourth through hole, 31-a fifth mounting hole, 32-a second support plate, 33-a second mounting groove, 34-a fourth mounting column, 35-a suspender, 36-a sixth mounting hole, 37-a fixed frame, 38-a sliding groove, 39-a sliding block, 40-a fixed support and 41-a universal wheel.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in figures 1-6, an adjustable support of a crane comprises a base 1, wherein the base 1 is rectangular, a first through hole 2 is formed inside the base 1, a first circular chute 3 is formed on the upper surface of the base 1, a mounting frame 4 is fixedly mounted at the top of the base 1 and used for mounting a lifting mechanism, a positioning column 5 matched with the first through hole 2 is fixedly connected to the lower surface of the mounting frame 4, a second circular chute 6 is formed on the lower surface of the mounting frame 4, a plurality of round balls 7 are slidably connected to the inner wall of the second circular chute 6, four universal wheels 41 are fixedly mounted on the lower surface of the base 1, the first circular chute 3 and the round balls 7 formed on the upper surface of the base 1 are equal in diameter, the second circular chute 6 and the round balls 7 are equal in diameter, one side of the round balls 7 far away from the second circular chute 6 is slidably connected to the inner wall of the first circular chute 3, a fixing block 8 is fixedly connected to the middle part of the upper surface of the mounting frame 4, the inside of the fixed block 8 is provided with a first mounting hole 9, the inside of the first mounting hole 9 is movably provided with a lead screw 10, one end of the mounting frame 4 is fixedly connected with a motor mounting plate 11, one end of the mounting frame 4, which is far away from the motor mounting plate 11, is fixedly connected with a bearing mounting plate 12, one side of the motor mounting plate 11, which is far away from the mounting frame 4, is fixedly provided with a motor 13, the power models of the two motors 13 are the same, the two motors 13 both rotate towards one direction, the output end of the motor 13 is fixedly connected with one end of the lead screw 10, the inside of the bearing mounting plate 12 is provided with a bearing first mounting hole 14, the inside of the bearing first mounting hole 14 is fixedly provided with a bearing 15, the friction force between the lead screw 10 and the bearing mounting plate 12 can be reduced by arranging the bearing 15 at one end of the lead screw 10, the service life of the lead screw 10 can be effectively prolonged, and the load of the motor 13 can be reduced, one end of each lead screw 10, which is far away from the motor 13, is sleeved on the inner wall of the bearing 15, the middle part of each lead screw 10 is a smooth cylinder 16, the cylinder 16 is sleeved on the inner wall of the first mounting hole 9, threads on two sides of the cylinder 16 are reverse threads, the outer surfaces of the threads on two ends of the cylinder 16 are both sleeved with sliding mounting blocks 17, two lead screws 10 and two motors 13 are both arranged, two motors 13 are both fixedly mounted on one side of the motor mounting plate 11 through four screws, one ends of the two lead screws 10, which are far away from the motors 13, are both sleeved with the bearings 15, the outer surfaces of the two lead screws 10 are both sleeved with two sliding mounting blocks 17, the lower surfaces of the sliding mounting blocks 17 are flat surfaces and are slidably connected to the upper surface of the mounting frame 4, internal threads 18 matched with the lead screws 10 are both arranged inside the two sliding mounting blocks 17, both ends of the sliding mounting blocks 17 are both fixedly connected with first mounting columns 19, and a first supporting plate 20 is fixedly mounted on the top of the sliding mounting blocks 17, the rotation of the crane support is realized by arranging the round balls between the base 1 and the mounting rack 4, the crane can conveniently lift surrounding objects, the motor 13 drives the sliding mounting block 17 to be matched with the first supporting plate 20, the arbitrary adjustment of the height of the crane support is realized, the crane can conveniently lift objects with different heights, the load of the motor 13 can be reduced by arranging the two motors 13, the maneuverability of the crane operation is improved by arranging the universal wheels 41, the first mounting groove 21 is arranged in the first supporting plate 20, the second mounting holes 22 are arranged on both sides of the first mounting groove 21, the first mounting post 19 is sleeved in the second mounting hole 22, the second mounting post 23 is fixedly connected to the top of the first supporting plate 20, the mounting plate 24 is movably arranged on the top of the first supporting plate 20, the number of the first supporting plates 20 is two, the top ends of the two first supporting plates 20 are fixedly connected to the lower surface of the mounting plate 24, the bottoms of the two first supporting plates 20 are fixedly connected to the top of the sliding mounting block 17, the length of the mounting plate 24 is not more than that of the mounting frame 4, the lower surface of the mounting plate 24 is fixedly connected with a first mounting block 25, a third mounting hole 26 is formed in the first mounting block 25, a second mounting column 23 is sleeved in the third mounting hole 26, the upper surface of the mounting plate 24 is fixedly connected with a second mounting block 27, a groove is formed in the second mounting block 27, a third mounting column 28 is not fixedly connected in the groove, a hydraulic cylinder 29 is fixedly mounted at the top of the second mounting block 27, a fourth mounting hole 30 is formed in the bottom end of the hydraulic cylinder 29, a fifth mounting hole 31 is formed in the telescopic end of the hydraulic cylinder 29, a second supporting plate 32 is fixedly connected to the upper surface of the mounting plate 24, a second mounting groove 33 is formed in the middle of the second supporting plate 32, and a fourth mounting column 34 is fixedly connected to the top end of the inside of the second mounting groove 33, a hanging rod 35 is movably mounted at the top of the second supporting plate 32, a sixth mounting hole 36 is formed in the middle of the hanging rod 35, a fourth mounting column 34 is sleeved on the inner wall of the sixth mounting hole 36, a third mounting groove is formed in one end, close to the hydraulic cylinder 29, of the hanging rod 35, a fifth mounting column is fixedly connected inside the third mounting groove, the outer surface of the fifth mounting column is sleeved on the inner wall of the fifth mounting hole 31, two fixing frames 37 are fixedly connected to two sides of the mounting frame 4, the two fixing frames 37 are arranged on two sides of the mounting frame 4, the mounting plate 24 is movably mounted between the two fixing frames 37, two sides of the mounting plate 24 are both contacted with the fixing frames 37, a sliding groove 38 is formed in the fixing frames 37, sliding blocks 39 matched with the sliding groove 38 are fixedly connected to two sides of the mounting plate 24, the sliding blocks 39 are rectangular, the outer surfaces of the sliding blocks 39 are slidably connected inside the sliding groove 38, and the stability of the mounting plate 24 can be improved through the connection between the sliding blocks 39 and the sliding groove 38, the fixing support 40 is fixedly connected to both sides of the fixing frame 37.

The working process of the utility model is as follows: when motor 13 operates, through set up lead screw 10 at the output of motor 13, and the screw thread at lead screw 10 both ends is reverse screw, when motor 13 drove lead screw 10 and rotates, establish at the slidable mounting piece 17 at lead screw 10 both ends and remove to lead screw 10 middle part, slidable mounting piece 17 promotes the bottom of first backup pad 20 and removes to lead screw 10 middle part, first backup pad 20 promotes mounting panel 24 rebound, the arbitrary regulation of crane support height has been realized, through set up ball 7 between base 1 and mounting bracket 4, crane support's rotation has been realized, universal wheel 41 is set up usually, the operator can remove through promoting crane support.

In summary, the following steps: the adjustable support of the crane realizes the rotation of the support of the crane by arranging the round balls between the base 1 and the mounting rack 4, is convenient for the crane to lift surrounding objects, realizes the arbitrary adjustment of the height of the support of the crane by driving the matching between the sliding mounting block 17 and the first supporting plate 20 through the motor 13, is convenient for the crane to lift objects with different heights, can reduce the load of the motor 13 by arranging the two motors 13, and improves the maneuverability of the crane operation through the arranged universal wheels 41; according to the adjustable support of the crane, the bearing 15 is arranged at one end of the lead screw 10, so that the friction force between the lead screw 10 and the bearing mounting plate 12 can be reduced, the service life of the lead screw 10 can be effectively prolonged, and the load of the motor 13 is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. An adjustable support of crane, includes base (1), its characterized in that: the base (1) is rectangular, a first through hole (2) is formed in the base (1), a first circular sliding groove (3) is formed in the upper surface of the base (1), a mounting frame (4) is fixedly mounted at the top of the base (1), a positioning column (5) matched with the first through hole (2) is fixedly connected to the lower surface of the mounting frame (4), a second circular sliding groove (6) is formed in the lower surface of the mounting frame (4), a plurality of round balls (7) are slidably connected to the inner wall of the second circular sliding groove (6), one side, away from the second circular sliding groove (6), of each round ball (7) is slidably connected to the inner wall of the first circular sliding groove (3), a fixing block (8) is fixedly connected to the middle of the upper surface of the mounting frame (4), a first mounting hole (9) is formed in the fixing block (8), and a lead screw (10) is movably mounted in the first mounting hole (9), the one end fixedly connected with motor mounting panel (11) of mounting bracket (4), the one end fixedly connected with bearing mounting panel (12) of motor mounting panel (11) is kept away from to mounting bracket (4) in mounting bracket (4), one side fixed mounting that mounting bracket (4) were kept away from to motor mounting panel (11) has motor (13), the output end fixed connection of motor (13) is in the one end of lead screw (10), the first mounting hole of bearing (14) has been seted up to the inside of bearing mounting panel (12), the inside fixed mounting of the first mounting hole of bearing (14) has bearing (15), the one end that motor (13) were kept away from to lead screw (10) cup joints the inner wall at bearing (15), the middle part of lead screw (10) is glossy cylinder (16), cylinder (16) cup joint the inner wall at first mounting hole (9), the screw thread of cylinder (16) both sides each other is reverse screw thread, the outer surfaces of the threads at the two ends of the cylinder (16) are respectively sleeved with a sliding installation block (17), the inner parts of the two sliding installation blocks (17) are respectively provided with an inner thread (18) matched with the lead screw (10), the two ends of the sliding installation blocks (17) are respectively and fixedly connected with a first installation column (19), the top of each sliding installation block (17) is fixedly provided with a first supporting plate (20), the inside of each first supporting plate (20) is provided with a first installation groove (21), the two sides of each first installation groove (21) are respectively provided with a second installation hole (22), the inside of each second installation hole (22) is sleeved with a first installation column (19), the top of each first supporting plate (20) is fixedly connected with a second installation column (23), the top of each first supporting plate (20) is movably provided with an installation plate (24), the lower surface of each installation plate (24) is fixedly connected with a first installation block (25), a third mounting hole (26) is formed in the first mounting block (25), a second mounting column (23) is sleeved in the third mounting hole (26), a second mounting block (27) is fixedly connected to the upper surface of the mounting plate (24), a groove is formed in the second mounting block (27), the third mounting column (28) is not fixedly connected in the groove, a hydraulic cylinder (29) is fixedly mounted at the top of the second mounting block (27), a fourth mounting hole (30) is formed in the bottom end of the hydraulic cylinder (29), a fifth mounting hole (31) is formed in the telescopic end of the hydraulic cylinder (29), a second supporting plate (32) is fixedly connected to the upper surface of the mounting plate (24), a second mounting groove (33) is formed in the middle of the second supporting plate (32), and a fourth mounting column (34) is fixedly connected to the top end of the second mounting groove (33), the top movable mounting of second backup pad (32) has jib (35), sixth mounting hole (36) has been seted up at the middle part of jib (35), fourth erection column (34) has been cup jointed to the inner wall of sixth mounting hole (36), the third mounting groove has been seted up to the one end that jib (35) are close to pneumatic cylinder (29), the inside fixedly connected with fifth erection column of third mounting groove, the inner wall at fifth mounting hole (31) is cup jointed to the surface of fifth erection column, the both sides fixedly connected with mount (37) of mounting bracket (4), spout (38) have been seted up to the inside of mount (37), both sides fixedly connected with of mounting panel (24) and slider (39) of spout (38) adaptation, slider (39) are the rectangle shape, the surface sliding connection of slider (39) is in the inside of spout (38), and two sides of the fixed frame (37) are fixedly connected with fixed pillars (40).

2. The adjustable support of a crane according to claim 1, wherein: the lower surface fixed mounting of base (1) has four universal wheels (41), first circular spout (3) and ball (7) that the upper surface of base (1) was seted up have equal in the diameter, the diameter of second circular spout (6) and ball (7) equals.

3. The adjustable support of a crane according to claim 1, wherein: lead screw (10) and motor (13) all have two, two motor (13) all have one side at motor mounting panel (11), two through four screw fixed mounting bearing (15) have all been cup jointed, two to the one end that motor (13) were kept away from in lead screw (10) the surface of lead screw (10) has all been cup jointed two slidable mounting piece (17), the lower surface of slidable mounting piece (17) is the upper surface of plane and sliding connection at mounting bracket (4).

4. The adjustable support of a crane according to claim 1, wherein: first backup pad (20) have two, two the top fixed connection of first backup pad (20) is at the lower surface of mounting panel (24), two the equal fixed connection in the top of slidable mounting piece (17) in bottom of first backup pad (20).

5. The adjustable support of a crane according to claim 1, wherein: the mount (37) have two, two mount (37) are in the both sides of mounting bracket (4), mounting panel (24) movable mounting is between two mounts (37), the both sides of mounting panel (24) all contact with mount (37).

6. The adjustable support of a crane according to claim 1, wherein: the power models of the two motors (13) are the same, and the two motors (13) rotate towards one direction.

7. The adjustable support of a crane according to claim 1, wherein: the length of the mounting plate (24) is not more than that of the mounting rack (4).