CN221319053U - Crane with high stability - Google Patents

Abstract

The utility model relates to the technical field of cranes, in particular to a crane with high stability. The technical proposal comprises: the bottom plate, roof top fixed mounting has direct current motor, and direct current motor output fixedly connected with threaded rod, threaded rod peripheral slidable mounting have the slide, and the bottom of crossbeam one side is fixed mounting has the guide rail, and guide rail one side fixedly connected with servo motor, servo motor output fixed mounting have the lead screw, and the peripheral movable mounting of lead screw has the counter weight. According to the utility model, through the mutual matching among the direct current motor, the threaded rod and the sliding plate, the requirement of an operator for entering an operation room is met, the condition that the operator is separated from a crane during manual climbing is avoided, the personal safety of the operator is ensured, the function of adjusting the horizontal position of the counterweight according to the weight of the hoisted object is realized through the mutual matching among the servo motor, the screw rod and the counterweight, the two sides of the cross beam are in a balanced state, and the stability of the hoisted object in the moving process is ensured.

Description

Crane with high stability

Technical Field

The utility model relates to the technical field of cranes, in particular to a crane with high stability.

Background

The crane is mechanical equipment for hoisting, carrying and grabbing heavy objects, has the characteristics of strong hoisting capacity, wide operation range, suitability for different working environments and the like, is widely applied to the fields of construction sites, ports and docks, logistics storage and the like, selects different types and structures according to working requirements, and comprises a tower crane, a portal crane, a bridge crane, a crawler crane and the like, wherein the ' building crane with strong stability ' disclosed by the bulletin number CN212101734U ' solves the technical defects that the existing crane is large in size, is not applicable to hoisting of small building materials and is poor in stability, and the existing crane is found by further searching, and the ' ultra-low electric hoist portal crane ' disclosed by the bulletin number CN202007087U is practically provided with a suspension beam structure through a specific technical structure, so that the hoisting height is more influenced and is not beneficial to the popularization and the use of the indoor portal crane, but the crane with a similar structure has the defects in actual use, such as: the hoist control room that uses is located higher position, and the operator needs manual climbing to get into the control room, and the climbing process is less to operator safety guarantee measure, can not effectively protect operator's personal safety, and the hoist counter weight does not possess horizontal migration's function for the hoist adjusts the inconvenient of balance between heavy object and the balancing weight, so need design a crane that stability is strong.

Disclosure of utility model

The utility model aims to provide a crane with strong stability so as to solve the problems 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 crane that stability is strong, includes the bottom plate, bottom plate top fixed mounting has the connecting plate, the connecting plate has the roof through stand-column mounting, roof top fixed mounting has direct current motor, direct current motor output fixedly connected with threaded rod, the peripheral slidable mounting of threaded rod has the slide, connecting plate one end bottom plate top fixedly connected with support frame, support frame top fixedly connected with install bin, install bin top passes through carousel installation crossbeam, the bottom fixed mounting of crossbeam one side has the guide rail, guide rail one side fixedly connected with servo motor, servo motor output fixed mounting has the lead screw, the peripheral movable mounting of lead screw has the counter weight.

When the lifting device is used, an operator enters the protective guard, the direct current motor operates to drive the threaded rod to rotate, the sliding plate drives the operator to move upwards, when the sliding plate moves to the same position of the operation room, the direct current motor stops operating, the operator enters the operation room, the requirement of the operator for entering the operation room is met, the time for the operator to enter the operation room is saved, the condition that the operator is separated from the device is avoided when the operator manually climbs, the personal safety of the operator is guaranteed, the servo motor operates to drive the screw rod to rotate, the counterweight horizontally moves, the function of adjusting the horizontal position of the counterweight according to the weight of the lifted object is realized, the two sides of the beam are in a balanced state, the stability of the weight in the moving process is guaranteed, the shaking of the weight in the lifting process is avoided, the condition that the total hook falls off is caused, the moving process of the counterweight is convenient, the moving working time of the counterweight is saved, and the working efficiency of the crane is improved.

Preferably, the truss is fixedly installed in the support frame, and the roller is fixedly installed at the bottom of the turntable. Truss plays the effect of horizontal fixed stay to the support frame, has strengthened support frame stability, and the gyro wheel has improved the area of contact of carousel with the install bin, prevents that the axis of rotation from bearing the situation that the damage appears in the whole pressure of carousel.

Preferably, the top of the sliding plate is fixedly provided with a protective guard, and two ends of the protective guard are provided with two doors in a hinge mode. The rail guard has protect function to the operator, prevents the situation that the operator dropped from the eminence in the transportation, and the requirement that the operator got into rail guard and control room has been satisfied to the double-leaf door, and has certain guard action to the operator.

Preferably, the inside fixed one end fixed mounting of installation case has the guard plate, and the inside fixedly connected with filter screen of guard plate, the inside fixed mounting of installation case has servo motor, and servo motor output and carousel fixed connection. The guard plate avoids external splash to contact with equipment in the installation box, equipment normal operation is guaranteed, the filter screen filters air entering from the outside, accumulation of dust in the installation box is reduced, damage to the equipment caused by excessive dust accumulation is avoided, and the servo motor operates to provide power for the turntable, so that stability of the rotating process is guaranteed.

Preferably, a hook is fixedly arranged at the bottom of the other side of the cross beam, a winding device is arranged on the hook through a mooring rope, and the winding device is fixedly connected with the cross beam. The hook has the function of hanging the heavy object, avoids falling off in the moving process of the heavy object, and the winding equipment is operated to wind the mooring rope, so that the requirement of vertical movement of the heavy object is met, personnel can adjust the height of the heavy object according to the carrying requirement, and personnel can conveniently fix the residual heavy object of the hook.

Preferably, the top of the cross beam is connected with an operation chamber through a mounting frame, and a visual window is fixedly arranged on the other side of the operation chamber. The operating room plays a protective role on operators, prevents the air-cooled environment at a high place from damaging the operators, provides an installation position for operating equipment, is convenient for the operators to use, and the visual window is convenient for the operators to observe the lifting condition of the heavy objects, thereby being convenient for adjusting the moving process of the heavy objects.

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

1. Through mutually supporting between direct current motor, threaded rod and the slide, direct current motor operation drives the threaded rod and rotates, makes the slide drive the operator and upwards moves, when moving to the same position of operating room, direct current motor stop operation has satisfied the demand that the operator got into the operating room, has saved the time of operator entering the operating room process, avoids the manual climbing of operator to appear the situation that breaks away from with the hoist, has ensured operator's personal safety.

2. Through mutually supporting between servo motor, lead screw and the counter weight thing, servo motor operation drives the lead screw and rotates, makes counter weight thing horizontal migration, has realized according to the weight of lifting by crane the function of counter weight thing horizontal position to make the crossbeam both sides be in balanced state, ensured the stability of heavy object at the removal process, avoided the heavy object to take place to rock at the lifting by crane the in-process, lead to the situation that drops on the couple, and convenient the removal process of counter weight thing, saved counter weight thing removal operating time, improved the work efficiency of hoist.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a schematic view of the structure of the support frame and the operation room of the present utility model;

fig. 4 is a schematic view showing a partial structure of the mounting box and the guide rail of the present utility model.

In the figure: 1. a bottom plate; 101. a connecting plate; 102. a support frame; 103. truss; 2. a slide plate; 3. a guard rail; 301. a double door; 4. a mounting box; 401. a turntable; 402. a protection plate; 403. a filter screen; 404. a servo motor; 5. a cross beam; 6. a guide rail; 601. a servo motor; 602. a counterweight; 603. a screw rod; 7. a winding device; 701. a cable; 702. a hook; 8. an operation chamber; 801. a visual window; 9. a top plate; 901. a DC motor; 902. a threaded rod; 10. and a roller.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the crane with strong stability provided by the utility model comprises a bottom plate 1, wherein a connecting plate 101 is fixedly arranged at the top of the bottom plate 1, a top plate 9 is fixedly arranged on the connecting plate 101 through an upright post, a direct current motor 901 is fixedly arranged at the top of the top plate 9, the output end of the direct current motor 901 is fixedly connected with a threaded rod 902, a sliding plate 2 is slidably arranged at the periphery of the threaded rod 902, a supporting frame 102 is fixedly connected at the top of one end of the bottom plate 1 of the connecting plate 101, a mounting box 4 is fixedly connected at the top of the supporting frame 102, a cross beam 5 is arranged at the top of the mounting box 4 through a turntable 401, a guide rail 6 is fixedly arranged at the bottom of one side of the cross beam 5, a servo motor 601 is fixedly connected at one side of the guide rail 6, a screw 603 is fixedly arranged at the output end of the servo motor 601, and a counterweight 602 is movably arranged at the periphery of the screw 603;

The truss 103 is fixedly installed inside the support frame 102, the roller 10 is fixedly installed at the bottom of the turntable 401, the protective guard 3 is fixedly installed at the top of the sliding plate 2, the two doors 301 are installed at two ends of the protective guard 3 in a hinge mode, the protection plate 402 is fixedly installed at one fixed end inside the installation box 4, the filter screen 403 is fixedly connected inside the protection plate 402, the servo motor 404 is fixedly installed inside the installation box 4, and the output end of the servo motor 404 is fixedly connected with the turntable 401.

The working principle of the crane with strong stability based on the embodiment 1 is as follows: when the device is used, an operator enters the protective guard 3, the direct current motor 901 operates to enable the threaded rod 902 to rotate, the sliding plate 2 drives the operator to move upwards, when the device is moved to the same position of the operation room 8, the direct current motor 901 stops operating, the operator enters the operation room 8, the requirement of the operator for entering the operation room 8 is met, the time of the operator for entering the operation room 8 is saved, the condition that the operator is separated from the device during manual climbing is avoided, and the personal safety of the operator is ensured;

The servo motor 601 operates to drive the screw rod 603 to rotate, so that the counterweight 602 moves horizontally, the function of adjusting the horizontal position of the counterweight 602 according to the weight of the hoisted object is realized, the two sides of the cross beam 5 are in a balanced state, the stability of the weight in the moving process is ensured, the situation that the weight falls off from the main hook 702 due to shaking in the hoisting process is avoided, the moving process of the counterweight 602 is facilitated, the moving working time of the counterweight 602 is saved, and the working efficiency of the crane is improved;

Truss 103 plays a role in transversely fixing and supporting support frame 102, stability of support frame 102 is enhanced, contact area between turntable 401 and installation box 4 is increased by roller 10, damage of rotating shaft under all pressure of turntable 401 is prevented, protective rail 3 has a protective function for operators, operators are prevented from falling from high places in the transportation process, requirement of operators on entering protective rail 3 and operation room 8 is met by double door 301, and certain protective effect is provided for operators;

The guard plate 402 avoids the contact of external splashes and the internal equipment of the installation box 4, ensures the normal operation of the equipment, the filter screen 403 filters the air entering from the outside, reduces the accumulation of dust in the installation box 4, avoids damage to the internal equipment caused by excessive dust accumulation, and the servo motor 404 operates to provide power for the turntable 401, so that the stability of the rotating process is ensured.

Example two

As shown in fig. 1, fig. 2 and fig. 3, the crane with strong stability according to the present utility model further includes: the bottom of the other side of the cross beam 5 is fixedly provided with a hook 702, the hook 702 is provided with a rolling device 7 through a cable 701, the rolling device 7 is fixedly connected with the cross beam 5, the top of the cross beam 5 is connected with an operating room 8 through a mounting frame, and the other side of the operating room 8 is fixedly provided with a visual window 801.

In this embodiment, as shown in fig. 1, 2 and 3, the hook 702 has the function of hanging the weight, avoids the weight to drop in the moving process, and the winding device 7 operates to wind the cable 701, so that the requirement of vertical movement of the weight is met, the height of the weight is adjusted by personnel according to the carrying requirement, and the personnel can fix the residual weight of the hook 702 conveniently.

As shown in fig. 2, the operating room 8 plays a protective role for operators, prevents the air-cooled environment at a high place from damaging the operators, provides an installation position for operating equipment, is convenient for the operators to use, and the visual window 801 is convenient for the operators to observe the lifting condition of the heavy objects, thereby being convenient for adjusting the moving process of the heavy objects.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (6)

1. The utility model provides a crane that stability is strong, includes bottom plate (1), its characterized in that: the utility model discloses a motor vehicle, including bottom plate (1), connecting plate (101), roof (9) are installed through stand, roof (9) top fixed mounting has direct current motor (901), direct current motor (901) output fixedly connected with threaded rod (902), threaded rod (902) peripheral slidable mounting has slide (2), connecting plate (101) one end bottom plate (1) top fixedly connected with support frame (102), support frame (102) top fixedly connected with install bin (4), install bin (4) top through carousel (401) An Hengliang (5), bottom fixed mounting in crossbeam (5) one side has guide rail (6), guide rail (6) one side fixedly connected with servo motor (601), servo motor (601) output fixedly connected with lead screw (603), peripheral movable mounting of lead screw (603) has counterweight (602).

2. A crane with high stability according to claim 1, characterized in that: truss (103) is fixedly installed inside the supporting frame (102), and idler wheels (10) are fixedly installed at the bottom of the turntable (401).

3. A crane with high stability according to claim 1, characterized in that: the top of the sliding plate (2) is fixedly provided with a protective guard (3), and two ends of the protective guard (3) are provided with a double door (301) in a hinge manner.

4. A crane with high stability according to claim 1, characterized in that: the utility model discloses a motor vehicle, including installation case (4), guard plate (402) are fixed to inside fixed one end fixed mounting of installation case (4), guard plate (402) inside fixedly connected with filter screen (403), and installation case (4) inside fixed mounting has servo motor (404), and servo motor (404) output and carousel (401) fixed connection.

5. A crane with high stability according to claim 1, characterized in that: a hook (702) is fixedly arranged at the bottom of the other side of the cross beam (5), a winding device (7) is arranged on the hook (702) through a cable (701), and the winding device (7) is fixedly connected with the cross beam (5).

6. A crane with high stability according to claim 1, characterized in that: the top of the cross beam (5) is connected with an operation chamber (8) through a mounting frame, and a visual window (801) is fixedly arranged on the other side of the operation chamber (8).