CN210393511U

CN210393511U - Base of electric slewing crane

Info

Publication number: CN210393511U
Application number: CN201920999662.2U
Authority: CN
Inventors: 李建建; 葛飞; 李琼
Original assignee: Zhenjiang Yuanfeng Machinery Equipment Co Ltd
Current assignee: Jiangsu Yuanfeng Mechanical Equipment Co ltd
Priority date: 2019-06-30
Filing date: 2019-06-30
Publication date: 2020-04-24
Anticipated expiration: 2029-06-30

Abstract

The utility model relates to an electric rotary crane technical field just discloses a base that electric rotary crane, which comprises a fixed base, the equal fixed mounting in top four corners of fixing base has the gyro wheel. This base of electronic gyration crane, through setting up hydraulic push rod, bracing piece and spacing awl, hydraulic push rod can be started before needs lift by crane, the fixed case with the left and right sides promotes to the one side of keeping away from the fixing base, then start the rotation motor, it rotates to rotate the motor and drive the bull stick, can drive the regulating plate downstream when the bull stick rotates, can stall when spacing awl and bottom surface contact, the bottom because of spacing awl is the toper, can be inseparabler with ground contact's comparison, the supporting area of this base is big, can avoid the phenomenon that the base can appear unstability or empty when hoisting the heavy object, through setting up the rubber seat in the bottom of spring holder, multiplicable frictional force, the phenomenon of skew is avoided appearing, this base has reached the high effect of stability, can more the person of facilitating the use.

Description

Base of electric slewing crane

Technical Field

The utility model relates to an electric rotary crane technical field specifically is a base that electric rotary crane.

Background

The electric rotary crane is one of cranes, and the crane is a lifting and carrying machine widely used in ports, workshops, electric power and construction sites, and the like, and the crane is a unified title of the lifting machine, and is generally called as a truck crane, a crawler crane and a tire crane, and the crane is used for hoisting equipment, emergency rescue, lifting, machinery or rescue.

For example, a crane base proposed in chinese patent CN207658911U3 can prevent the crane base from toppling over due to the fact that the lifted goods are too heavy, and the weight of the crane base is taken out when the crane base moves and is transported, so that the weight is reduced, and the crane base is convenient to transport; the universal wheels are connected to the lower end of the base, the base is convenient to move, and the base can topple over if the base is too heavy when the base is lifted, so that the base of the electric slewing crane is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a base that electronic gyration was hung possesses advantages such as stability is good, has solved the problem that the article that current base was hoisted when lifting by crane on the existing market too heavily can lead to the base to empty.

(II) technical scheme

For the purpose that realizes above-mentioned stability is good, the utility model provides a following technical scheme: a base of an electric rotary crane comprises a fixed seat, wherein idler wheels are fixedly mounted at four corners of the top of the fixed seat, a bearing seat is fixedly mounted at the top of the fixed seat, a rotary rod penetrating through and extending to the top of the bearing seat is movably mounted in the bearing seat, a rotary motor is fixedly mounted in the fixed seat, an output shaft of the rotary motor is fixedly connected with the rotary rod, four positioning plates are fixedly mounted in the fixed seat, hydraulic push rods penetrating through and extending to the left side and the right side of the fixed seat are fixedly mounted at opposite sides of the positioning plates at the left side and the right side, a fixed box is fixedly mounted at the bottom of the outer side of each hydraulic push rod and at one side far away from the fixed seat, a fixed plate is fixedly mounted at the bottom of each hydraulic push rod and at one side in the fixed box, and a, the output shaft department fixed mounting who rotates the motor has first gear, the top of fixed plate just is located the equal movable mounting in both sides has the bull stick that runs through and extend to fixed bottom of the case portion around hydraulic push rod, and the outside of bull stick just is located the inside one side fixed mounting of fixed incasement portion has the second gear with first gear engagement, two the outside of bull stick just is located the below of fixed case and all with regulating plate swing joint, the equal fixed mounting in both sides has the bracing piece around the bottom of regulating plate, the bottom movable mounting of bracing piece has the spring holder, the bottom of regulating plate just is located two one side fixed mounting that the bull stick is relative has spacing awl.

Preferably, the outside of bull stick and the bottom that is located the second gear are provided with the external screw thread, the screw hole with bull stick looks adaptation is seted up at the top of regulating plate, and bull stick and regulating plate threaded connection.

Preferably, the limiting cone is conical, the diameter of the top of the limiting cone is larger than that of the bottom of the limiting cone, a baffle is fixedly mounted at the bottom of the rotating rod, and the diameter of the baffle is larger than that of the threaded hole.

Preferably, the bearing fixedly connected with the fixed plate is fixedly mounted on the outer side of the rotating rod, the protection box is fixedly mounted on the outer side of the motor, the top of the protection box is fixedly connected with the fixed plate, and the output shaft of the motor penetrates through the bottom of the protection box and extends to the bottom of the protection box and is fixedly connected with the first gear.

Preferably, the spring holder comprises movable sleeve and reset spring, the movable hole with bracing piece looks adaptation is seted up at the top of movable sleeve, and the bracing piece extends to the inside of movable sleeve, and the bottom fixed mounting of bracing piece has the stopper, and the diameter of stopper is greater than the diameter of bracing piece, and the inner chamber diapire fixed mounting of movable sleeve has the reset spring with stopper fixed connection.

Preferably, the length of the limiting cone is greater than the length of the supporting rod and less than the sum of the length of the supporting rod and the length of the uncompressed spring seat, and a rubber seat is fixedly mounted at the bottom of the spring seat.

(III) advantageous effects

Compared with the prior art, the utility model provides a base that electronic gyration was hung possesses following beneficial effect:

this base of electronic gyration crane, through setting up hydraulic push rod, bracing piece and spacing awl, hydraulic push rod can be started before needs lift by crane, the fixed case with the left and right sides promotes to the one side of keeping away from the fixing base, then start the rotation motor, it rotates to rotate the motor and drive the bull stick, can drive the regulating plate downstream when the bull stick rotates, can stall when spacing awl and bottom surface contact, the bottom because of spacing awl is the toper, can be inseparabler with ground contact's comparison, the supporting area of this base is big, can avoid the phenomenon that the base can appear unstability or empty when hoisting the heavy object, through setting up the rubber seat in the bottom of spring holder, multiplicable frictional force, the phenomenon of skew is avoided appearing, this base has reached the high effect of stability, can more the person of facilitating the use.

Drawings

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

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a side sectional view of the fixing box and the rotating rod of the present invention.

In the figure: the device comprises a fixed seat 1, a roller 2, a bearing seat 3, a rotary rod 4, a rotary motor 5, a positioning plate 6, a hydraulic push rod 7, a fixed box 8, a fixed plate 9, a rotary motor 10, a first gear 11, a rotary rod 12, a second gear 13, an adjusting plate 14, a supporting rod 15, a spring seat 16 and a limiting cone 17.

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, a base of an electric rotating crane includes a fixed base 1, rollers 2 are fixedly mounted at four corners of the top of the fixed base 1, a bearing base 3 is fixedly mounted at the top of the fixed base 1, a rotating rod 4 penetrating through and extending to the top of the bearing base 3 is movably mounted inside the bearing base 3, a rotating motor 5 is fixedly mounted inside the fixed base 1, the type of the rotating motor 5 can be D180M-O1600308-E, an output shaft of the rotating motor 5 is fixedly connected with the rotating rod 4, four positioning plates 6 are fixedly mounted inside the fixed base 1, hydraulic push rods 7 penetrating through and extending to the left and right sides of the fixed base 1 are fixedly mounted at opposite sides of the positioning plates 6 at the left and right sides, the type of the hydraulic push rod 7 can be ROB32-16-50FA, a fixed box 8 is fixedly mounted at the bottom of the outer sides of the hydraulic push rods 7 at the left and right sides and, a fixed plate 9 is fixedly arranged at the bottom of the hydraulic push rod 7 and at one side inside the fixed box 8, a rotating motor 10 is fixedly arranged at the bottom of the fixed plate 9, the model of the rotating motor 10 can be YS7112, a first gear 11 is fixedly arranged at the output shaft of the rotating motor 10, a bearing fixedly connected with the fixed plate 9 is fixedly arranged at the outer side of the rotating rod 12, a protection box is fixedly arranged at the outer side of the motor 10, the top of the protection box is fixedly connected with the fixed plate 9, the output shaft of the motor 10 penetrates through and extends to the bottom of the protection box and is fixedly connected with the first gear 11, rotating rods 12 penetrating through and extending to the bottom of the fixed box 8 are movably arranged at the top of the fixed plate 9 and at the front side and the rear side of the hydraulic push rod 7, a second gear 13 meshed with the first gear 11 is fixedly arranged at one side outside of the rotating rods 12 and at the inside the fixed box 8, and at the outer side of the two rotating, an external thread is arranged on the outer side of the rotating rod 12 and at the bottom of the second gear 13, a threaded hole matched with the rotating rod 12 is formed in the top of the adjusting plate 14, the rotating rod 12 is in threaded connection with the adjusting plate 14, supporting rods 15 are fixedly installed on the front side and the rear side of the bottom of the adjusting plate 14, a spring seat 16 is movably installed at the bottom of the supporting rod 15 and consists of a movable sleeve and a return spring, a movable hole matched with the supporting rod 15 is formed in the top of the movable sleeve, the supporting rod 15 extends into the movable sleeve, a limiting block is fixedly installed at the bottom of the supporting rod 15, the diameter of the limiting block is larger than that of the supporting rod 15, the return spring fixedly connected with the limiting block is fixedly installed on the bottom wall of an inner cavity of the movable sleeve, a limiting cone 17 is fixedly installed at the bottom of the adjusting plate 14 and at the side opposite to the two rotating rods, the bottom of the rotating rod 12 is fixedly provided with a baffle, the diameter of the baffle is larger than that of the threaded hole, the length of the limiting cone 17 is larger than that of the supporting rod 15 and smaller than the sum of the length of the supporting rod 15 and the length of the uncompressed spring seat 16, and the bottom of the spring seat 16 is fixedly provided with a rubber seat.

In conclusion, the base of the electric rotary crane is provided with the hydraulic push rod 7, the support rod 15 and the limiting cone 17, before hoisting, the hydraulic push rod 7 can be started to push the fixed boxes 8 at the left and right sides to one side far away from the fixed seat 1, then the rotating motor 10 is started, the rotating motor 10 drives the rotating rod 12 to rotate, when the rotating rod 12 rotates, the adjusting plate 14 can be driven to move downwards, when the limiting cone 17 contacts with the bottom surface, the rotation can be stopped, because the bottom of the limiting cone 17 is conical, the base can be contacted with the ground more closely, the supporting area of the base is large, the phenomenon that the base is unstable or topples over when a heavy object is lifted can be avoided, the rubber seat is arranged at the bottom of the spring seat 16, so that the friction force can be increased, the phenomenon of deviation can be avoided, this base has reached the high effect of stability, can more facilitate the use person use, has solved the problem that the object that current base hoisted when lifting by crane on the existing market is too heavy probably to lead to the base to empty.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 a base that electronic gyration was hung, includes fixing base (1), its characterized in that: the all fixed mounting in top four corners of fixing base (1) has gyro wheel (2), the top fixed mounting of fixing base (1) has bearing seat (3), and the inside movable mounting of bearing seat (3) has gyration pole (4) of running through and extending to bearing seat (3) top, the inside fixed mounting of fixing base (1) has rotary motor (5), the output shaft and gyration pole (4) fixed connection of rotary motor (5), the inside fixed mounting of fixing base (1) has locating plate (6) that quantity is four, the left and right sides the equal fixed mounting in one side that locating plate (6) were carried on the back mutually has hydraulic push rod (7) that runs through and extend to fixing base (1) left and right sides, the left and right sides the equal fixed mounting in one side of keeping away from fixing base (1) in outside bottom of hydraulic push rod (7) and being located one side of fixing base (1) has fixed plate (8), the bottom of hydraulic push rod (7) and the inside one side fixed mounting that ) The bottom of the fixed plate (9) is fixedly provided with a rotating motor (10), the output shaft of the rotating motor (10) is fixedly provided with a first gear (11), the top of the fixed plate (9) is positioned at the front side and the rear side of the hydraulic push rod (7), the two sides of the fixed plate are movably provided with rotating rods (12) which penetrate through and extend to the bottom of the fixed box (8), one side of the outer side of each rotating rod (12) which is positioned inside the fixed box (8) is fixedly provided with a second gear (13) which is meshed with the first gear (11), the two rotating rods (12) are movably connected with an adjusting plate (14) at the outer side of the fixed box (8) and positioned below the fixed box (8), supporting rods (15) are fixedly arranged at the front side and the rear side of the bottom of the adjusting plate (14), and a spring seat (16) is movably arranged at the, the bottom of the adjusting plate (14) is positioned at one side opposite to the two rotating rods (12) and is fixedly provided with a limiting cone (17).

2. The base of an electric rotating crane according to claim 1, wherein: the outside of bull stick (12) and the bottom that is located second gear (13) are provided with the external screw thread, the screw hole with bull stick (12) looks adaptation is seted up at the top of regulating plate (14), and bull stick (12) and regulating plate (14) threaded connection.

3. The base of an electric rotating crane according to claim 1 or 2, wherein: spacing awl (17) are the toper, and the top diameter of spacing awl (17) is greater than its bottom diameter, the bottom fixed mounting of bull stick (12) has the baffle, and the diameter of baffle is greater than the diameter of screw hole.

4. The base of an electric rotating crane according to claim 1, wherein: the outside fixed mounting of bull stick (12) has the bearing with fixed plate (9) fixed connection, and the outside fixed mounting of motor (10) has the guard box, and the top and fixed plate (9) fixed connection of guard box, the output shaft of motor (10) run through and extend to the bottom of guard box and with first gear (11) fixed connection.

5. The base of an electric rotating crane according to claim 1, wherein: spring holder (16) comprise movable sleeve and reset spring, the movable hole with bracing piece (15) looks adaptation is seted up at the top of movable sleeve, and bracing piece (15) extend to the inside of movable sleeve, and the bottom fixed mounting of bracing piece (15) has the stopper, and the diameter of stopper is greater than the diameter of bracing piece (15), and the inner chamber diapire fixed mounting of movable sleeve has the reset spring with stopper fixed connection.

6. The base of an electric rotating crane according to claim 1, wherein: the length of the limiting cone (17) is greater than that of the supporting rod (15) and less than the sum of the length of the supporting rod (15) and the length of the uncompressed spring seat (16), and a rubber seat is fixedly mounted at the bottom of the spring seat (16).