CN213085230U

CN213085230U - Adjustable support of crane

Info

Publication number: CN213085230U
Application number: CN202021968543.XU
Authority: CN
Inventors: 施红斌
Original assignee: Qingdao Saishixing Lifting Equipment Co ltd
Current assignee: Qingdao Saishixing Lifting Equipment Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-30
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses an adjustable support of a crane, which comprises an installation beam, wherein the bottoms of the two ends of the installation beam are symmetrically and fixedly provided with support rods, the bottom of each support rod is fixedly provided with a bottom plate, the bottom of each bottom plate is fixedly provided with a stop device, the bottom of each bottom plate is positioned at the two sides of the stop device and is symmetrically and fixedly provided with a movable wheel, a limiting frame is arranged on the support rods below the installation beam in a sliding manner, the two sides of the limiting frame are symmetrically and fixedly provided with movable grooves, and limit blocks are arranged; the utility model relates to a simple and practical carries on spacingly to removing the wheel through detent, avoids when the hoist lifts by crane, and the support appears the displacement and influences the stability of hoist work, sets up spacing frame and stopper on the bracing piece of installation roof beam below, can carry on spacingly to the stay cord on the hoist, prevents that the swing from appearing when lifting by crane in the stay cord, when spacing frame and the stopper that set up through sliding make the hoist remove about the installation roof beam, do not influence the removal of below stay cord.

Description

Adjustable support of crane

Technical Field

The utility model relates to a hoist technical field specifically is a hoist adjustable bracket.

Background

The utility model discloses a hoist adjustable support, including hoist support, small-size hoist support, the gyro wheel is generally installed to the bottom of hoist support, but the unable effectual fixing of current hoist adjustable support is subaerial, lead to the hoist during operation to take place the off normal easily, influence the stability of hoist work, and when the hoist hoisted the goods on the support, stay cord on the hoist produced easily and sways, current small-size hoist support has not had stop device yet, thereby can cause the potential safety hazard, for this we propose a hoist adjustable support and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist adjustable bracket to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable support of a crane comprises a mounting beam, wherein support rods are symmetrically and fixedly arranged at the bottoms of two ends of the mounting beam, a bottom plate is fixedly arranged at the bottom of each support rod, a stop device is fixedly arranged at the bottom of each bottom plate, and moving wheels are symmetrically and fixedly arranged at the bottom of each bottom plate on two sides of the stop device;

the installation beam is characterized in that a limiting frame is arranged on the supporting rod below the installation beam in a sliding mode, moving grooves are symmetrically and fixedly formed in two sides of the limiting frame, and limiting blocks are arranged in the moving grooves in a sliding mode.

As an optimal technical scheme of the utility model, the bracing piece is located the fixed spout that is equipped with in one side of installation roof beam below, the spout internal fixation is inserted and is equipped with the slide bar, it is equipped with the slider to slide on the slide bar, the slider is kept away from the one end of slide bar and the tip lateral wall fixed connection of spacing frame.

As a preferred technical scheme of the utility model, the top of bottom plate is located the fixed slope of bilateral symmetry of bracing piece and is equipped with the anchor strut.

As a preferred technical scheme of the utility model, detent includes the fixed mounting groove of establishing in the bottom plate bottom, the mounting groove internal rotation is inserted and is equipped with double lead screw, double lead screw's both ends symmetry thread bush is equipped with the movable block, it is equipped with the connecting rod to rotate on the movable block, the one end that the movable block was kept away from to the connecting rod is rotated and is equipped with the connecting plate, the fixed a plurality of expanding springs that are equipped with of bottom symmetry of connecting plate, expanding spring keeps away from the fixed clamp plate that is equipped with of one end of connecting plate, the fixed anti-skidding line that.

As the utility model discloses a preferred technical scheme, the stopper includes left stopper and right stopper, the both ends symmetry of left side stopper is equipped with left carriage release lever, the both ends of right side stopper are equipped with the right carriage release lever that uses with the cooperation of left carriage release lever, movable sleeve is equipped with fixed section of thick bamboo on left side carriage release lever and the right carriage release lever, the fixed left solid fixed ring that is equipped with in one side of left side stopper, one side of right side stopper is equipped with the solid fixed ring in the right side that uses with the solid fixed ring cooperation in left side.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the support moves to the assigned position, the movable wheel can be limited through the stopping device, and the problem that the working stability of the crane is influenced by the support displacement when the crane lifts is avoided.

2. The limiting frame and the limiting block are arranged on the supporting rod below the mounting beam, so that the stay rope on the crane can be limited, the stay rope is prevented from swinging when being lifted, and the movement of the stay rope below is not influenced when the crane moves up and down and moves left and right through the limiting frame and the limiting block which are arranged in a sliding manner.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the middle stopper device of the present invention;

fig. 3 is the structure schematic diagram of the middle stopper of the utility model.

In the figure: 1. mounting a beam; 2. a support bar; 21. a chute; 22. a slide bar; 23. a slider; 3. a base plate; 31. a reinforcing rod; 4. a stopper device; 41. mounting grooves; 42. a double-end screw rod; 43. a moving block; 44. a connecting rod; 45. a connecting plate; 46. a tension spring; 47. pressing a plate; 5. a moving wheel; 6. a limiting frame; 7. a moving groove; 8. a limiting block; 81. a left stop block; 82. a right stopper; 83. a left travel bar; 84. a right travel bar; 85. a fixed cylinder; 86. a left retaining ring; 87. and a right fixing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an adjustable support of hoist, including installation roof beam 1, installation roof beam 1 is used for installing the hoist, the hoist can realize the horizontal slip on installation roof beam 1, the fixed bracing piece 2 that is equipped with in both ends bottom symmetry of installation roof beam 1, the fixed bottom plate 3 that is equipped with in bottom of bracing piece 2, the fixed detent 4 that is equipped with in bottom of bottom plate 3, the fixed removal wheel 5 that is equipped with in bilateral symmetry that the bottom of bottom plate 3 is located detent 4, can remove whole support through removing wheel 5, thereby remove the assigned position to the hoist, and carry out the locking to removal wheel 5 through detent 4, make the support fix in situ, make things convenient for hoist work.

The bracing piece 2 of installation roof beam 1 below slides and is equipped with spacing frame 6, and the bilateral symmetry of spacing frame 6 is fixed and is equipped with shifting chute 7, slides in shifting chute 7 and is equipped with stopper 8, and the back is installed on installation roof beam 1 to the hoist, and stay cord and the couple of hoist below can be followed and passed in spacing frame 6 to utilize stopper 8 to carry on spacingly, prevent that the stay cord from lifting by crane the swing in-process appearance.

One side of the support rod 2 below the mounting beam 1 is fixedly provided with a sliding groove 21, a sliding rod 22 is fixedly inserted in the sliding groove 21, the sliding rod 22 is provided with a sliding block 23 in a sliding manner, one end of the sliding block 23 far away from the sliding rod 22 is fixedly connected with the side wall of the end part of the limiting frame 6, and the limiting frame 6 moves up and down on the sliding rod 22 in the sliding groove 21 through the sliding block 23, so that when a pull rope on a crane is lifted upwards, the limiting frame 6 can be driven to move together.

The top of the bottom plate 3 is symmetrically fixed and obliquely provided with reinforcing rods 31 at two sides of the supporting rod 2, and the supporting rod 2 can be reinforced through the reinforcing rods 31, so that the supporting rod 2 can bear the lifting gravity when the crane works.

The stopping device 4 comprises a mounting groove 41 fixedly arranged at the bottom of the bottom plate 3, a double-headed lead screw 42 is rotatably inserted in the mounting groove 41, two symmetrical threaded sleeves at two ends of the double-headed lead screw 42 are provided with moving blocks 43, a connecting rod 44 is rotatably arranged on the moving blocks 43, one end of the connecting rod 44 far away from the moving blocks 43 is rotatably provided with a connecting plate 45, a plurality of telescopic springs 46 are symmetrically and fixedly arranged at the bottom of the connecting plate 45, one ends of the telescopic springs 46 far away from the connecting plate 45 are fixedly provided with pressing plates 47, the bottom of the pressing plates 47 are fixedly provided with anti-skidding threads, when the support moves to a specified position, the double-headed lead screw 42 is rotated, the moving blocks 43 at two ends of the double-headed lead screw 42 are mutually closed, the rotating connecting rods 44 of the mutually closed moving blocks 43 push the rotating connecting plates, the connecting plate 45 continues to extrude the pressing plate 47 through the telescopic spring 46, the pressing plate 47 is attached to the ground more tightly by the elasticity of the spring, and the pressing plate 47 increases the friction force between the pressing plate and the ground through the anti-skidding threads at the bottom, so that the moving wheel 5 is prevented from continuing to roll, and the normal work of the crane is prevented from being influenced.

Further, the four corners of the top surface of the pressing plate 47 are fixedly provided with guide rods, and the guide rods penetrate through the connecting plate 45 in a sliding manner.

The limiting block 8 comprises a left limiting block 81 and a right limiting block 82, a left moving rod 83 is symmetrically arranged at two ends of the left limiting block 81, a right moving rod 84 matched with the left moving rod 83 for use is arranged at two ends of the right limiting block 82, a fixed cylinder 85 is movably sleeved on the left moving rod 83 and the right moving rod 84, a left fixed ring 86 is fixedly arranged at one side of the left limiting block 81, a right fixed ring 87 matched with the left fixed ring 86 for use is arranged at one side of the right limiting block 82, the bottom end of the pull rope is placed between the left limiting block 81 and the right limiting block 82, the left limiting block 81 and the right limiting block 82 are pushed to be close to each other and attached to each other, the pull rope is positioned in the fixed ring after the left fixed ring 86 and the right fixed ring 87 are combined, the left moving rod 83 and the right moving rod 84 are fixed together by the fixed cylinder 85, so that the pull rope is fixed in the limiting block 8, when the crane moves left and right on the mounting beam 1, the pull rope can move along with the crane.

The working principle is as follows: when the utility model is used, the crane is arranged on the installation beam 1, the fixed cylinder 85 is pulled out to separate the left limit block 81 from the right limit block 82, the crane is started to make the pull rope and the hook on the crane pass through the limit frame 6 and make the pull rope be at the position between the left limit block 81 and the right limit block 82, the left limit block 81 and the right limit block 82 are pushed to be close to each other and attached to each other, the pull rope is positioned in the fixed ring after the left fixed ring 86 and the right fixed ring 87 are combined, the left moving rod 83 and the right moving rod 84 are fixed together by the fixed cylinder 85, thereby the pull rope is fixed in the limit block 8 to prevent the swing of the pull rope, the bracket is moved to the designated position by the moving wheel 5, the double-head lead screw 42 is rotated, the moving blocks 43 at the two ends of the double-head lead screw 42 are close to each other, the connecting rod 44 of the moving blocks, the connecting rod 44 is rotated to push the connecting plate 45 and the pressing plate 47 to press toward the ground, and after the pressing plate 47 contacts the ground, the connecting plate 45 continuously extrudes the pressure plate 47 through the expansion spring 46, the elasticity of the spring is utilized to enable the pressure plate 47 to be attached to the ground more tightly, the friction force between the pressure plate 47 and the ground is increased through the anti-skid threads at the bottom, thereby preventing the moving wheel 5 from continuously rolling to avoid influencing the normal work of the crane, when the crane works, the limit frame 6 moves up and down on the slide rod 22 in the slide groove 21 through the slide block 23, thereby make the stay cord on the hoist when upwards lifting by crane, can drive spacing frame 6 and together remove, stopper 8 removes about removing in shifting chute 7 through solid fixed cylinder 85, when the hoist removes about on installation roof beam 1, the stay cord can be along with removing together to spacing frame 6 has been increased with stopper 8's practicality.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable support of hoist, includes installation roof beam (1), its characterized in that: the bottom parts of two ends of the mounting beam (1) are symmetrically and fixedly provided with supporting rods (2), the bottom parts of the supporting rods (2) are fixedly provided with a bottom plate (3), the bottom part of the bottom plate (3) is fixedly provided with a stopping device (4), and the bottom part of the bottom plate (3) is positioned at two sides of the stopping device (4) and is symmetrically and fixedly provided with moving wheels (5);

the installation beam is characterized in that a limiting frame (6) is arranged on the support rod (2) below the installation beam (1) in a sliding mode, moving grooves (7) are symmetrically and fixedly arranged on two sides of the limiting frame (6), and limiting blocks (8) are arranged in the moving grooves (7) in a sliding mode.

2. The adjustable support of a crane according to claim 1, wherein: the utility model discloses a spacing frame, including bracing piece (2), installation roof beam (1), one side of bracing piece below is fixed and is equipped with spout (21), spout (21) internal fixation is inserted and is equipped with slide bar (22), slide bar (22) are gone up and are equipped with slider (23), the tip lateral wall fixed connection of the one end of slide bar (22) and spacing frame (6) is kept away from in slider (23).

3. The adjustable support of a crane according to claim 1, wherein: reinforcing rods (31) are symmetrically, fixedly and obliquely arranged on the two sides of the supporting rod (2) at the top of the bottom plate (3).

4. The adjustable support of a crane according to claim 1, wherein: the locking device (4) comprises a mounting groove (41) fixedly arranged at the bottom of the bottom plate (3), a double-headed lead screw (42) is inserted into the mounting groove (41) in a rotating mode, a moving block (43) is sleeved on symmetrical threads at two ends of the double-headed lead screw (42), a connecting rod (44) is arranged on the moving block (43) in a rotating mode, a connecting plate (45) is arranged at one end, far away from the moving block (43), of the connecting rod (44) in a rotating mode, a plurality of expansion springs (46) are symmetrically and fixedly arranged at the bottom of the connecting plate (45), a pressing plate (47) is fixedly arranged at one end, far away from the connecting plate (45), of each expansion spring (46.

5. The adjustable support of a crane according to claim 1, wherein: stopper (8) are including left stopper (81) and right stopper (82), the both ends symmetry of left side stopper (81) is equipped with left carriage release lever (83), the both ends of right side stopper (82) are equipped with right carriage release lever (84) that uses with left carriage release lever (83) cooperation, movable sleeve is equipped with solid fixed section of thick bamboo (85) on left side carriage release lever (83) and right carriage release lever (84), one side of left side stopper (81) is fixed and is equipped with solid fixed ring (86) in a left side, one side of right side stopper (82) is equipped with solid fixed ring (87) in the right side of using with solid fixed ring (86) in a left side cooperation.