CN220351462U - Sandbox upset hoist - Google Patents

Abstract

The utility model discloses a sandbox overturning lifting appliance, which comprises a main lifting beam, wherein lifting rings are arranged at two ends of the top of the main lifting beam, a rotating disc is rotatably arranged in the middle of the main lifting beam, lifting arms are arranged at two ends of the bottom of the rotating disc, a rotating arc-shaped groove is arranged on the main lifting beam corresponding to the top end of the lifting arm, and the top end of the lifting arm upwards penetrates through the rotating arc-shaped groove and is provided with a clamping plate; the bottom end of the suspension arm is provided with a hoisting roller assembly, the hoisting end of the hoisting roller assembly is provided with a hoisting opening corresponding to the handle shaft of the sandbox, and the hoisting opening is in rotary fit connection with the handle shaft; according to the utility model, flexible overturning of the sandbox in two directions along the vertical axis and the horizontal axis which are mutually vertical in the hoisting process can be realized, and the efficiency of overturning and adjusting the posture of the sandbox is improved.

Description

Sandbox upset hoist

Technical Field

The utility model belongs to the technical field of lifting devices, and relates to a sandbox overturning lifting device.

Background

The sandbox is one of the most commonly used moulds in the casting production process, and because the sandbox has large weight, lifting equipment is generally adopted to directly lift and move the sandbox. The traditional sandbox lifting device is used for completely fixing the sandbox through the limiting piece, so that the sandbox can not be turned over when being kept in a fixed posture in the lifting process. But in actual production process, need overturn the removal in order to adjust the gesture of sandbox to the sandbox, and current sandbox hoist relatively fixed's connection structure just can't solve the technical problem of nimble upset sandbox.

Therefore, in order to solve the technical problem of flexible overturning of the sandbox in the hoisting process, the utility model discloses a sandbox overturning lifting appliance.

Disclosure of Invention

The utility model aims to provide a sandbox overturning lifting appliance, which can flexibly overturn the sandbox in two directions along a vertical axis and a horizontal axis which are mutually vertical in the lifting process, and improves the efficiency of overturning and adjusting the posture of the sandbox.

The utility model is realized by the following technical scheme:

the sandbox overturning lifting appliance comprises a main lifting beam, lifting rings are arranged at two ends of the top of the main lifting beam, a rotating disc is rotatably arranged in the middle of the main lifting beam, lifting arms are arranged at two ends of the bottom of the rotating disc, a rotating arc-shaped groove is formed in the main lifting beam, corresponds to the top end of the lifting arm, and the top end of the lifting arm upwards penetrates through the rotating arc-shaped groove and is provided with a clamping plate; the bottom of davit is provided with hoist and mount roller assembly, hoist and mount roller assembly's hoist and mount end is provided with the hoist and mount mouth corresponding the handle axle of sandbox, hoist and mount mouth and handle axle normal running fit are connected.

Install the sandbox between the hoist and mount roller components on the hoist and mount at both ends about the rolling disc bottom, the handle axle at both ends about the sandbox cartridge respectively to the hoist and mount mouth of hoist and mount roller components about both ends, and handle axle and hoist and mount mouth normal running fit are connected for the sandbox can rotate round the handle axle. The pivot of rolling disc is the vertical axis at main hanging beam center, cancels the clamping plate and to the screens locking of davit, rotatory rolling disc this moment, can drive the davit along rotating the arc wall and rotate certain angle through the rolling disc. The flexible rotation and overturning of the sandbox in two directions can be realized through the rotation of the rotating disc around the central vertical axis of the main hanging beam and the rotation of the sandbox around the handle shaft of the sandbox.

In order to better realize the utility model, the hoisting roller assembly further comprises a pressing roller group and a supporting roller group, wherein the supporting roller group is fixedly arranged at the bottom end of the suspension arm, the pressing roller group is movably hinged to the top of the supporting roller group, and a hoisting opening is formed between the bottom of the supporting roller group and the top of the supporting roller group.

In order to better realize the utility model, further, the supporting roller group comprises a semi-ring supporting seat, supporting rollers and a supporting connecting flange, one end of the semi-ring supporting seat is fixedly connected with the bottom end of the suspension arm through the supporting connecting flange, and a plurality of supporting rollers are uniformly arranged on the inner ring surface of the semi-ring supporting seat in a rotating way along the circumferential direction.

In order to better realize the utility model, the pressing roller group further comprises a half-ring pressing seat, a pressing roller, a hinge shaft and a locking bolt, wherein one end of an opening of the half-ring pressing seat is hinged with one end of an opening of the half-ring supporting seat through the hinge shaft, and the other end of the opening of the half-ring pressing seat is in threaded connection with the other end of the opening of the half-ring supporting seat through the locking bolt; and a plurality of compression rollers are uniformly and rotatably arranged on the inner ring surface of the semi-ring compression seat along the circumferential direction.

In order to better realize the utility model, a rotating groove is further arranged at the central position of the bottom of the main hanging beam, a rotating disc is rotatably clamped in the rotating groove, a through hole for the top end of the hanging arm to pass through is arranged on the rotating disc, and a locking device which extends into the rotating groove and tightly props against the rotating disc is arranged on one side of the rotating groove.

In order to better realize the utility model, the locking device further comprises a first locking pin and a second locking pin, wherein a first locking hole is formed in the side wall of the rotating groove along the radial direction passing through the center of the rotating disc, the first locking pin is slidably arranged in the first locking hole, and a plurality of locking holes are uniformly formed in the outer side wall of the rotating disc along the circumferential direction, corresponding to the end parts of the first locking pins; the main hanging beam is provided with a second locking hole along the direction perpendicular to the axis of the first locking pin, the second locking pin is installed in the second locking hole in a threaded fit mode, and a locking notch is formed in the outer side face of the first locking pin, corresponding to the end portion of the second locking pin.

In order to better realize the utility model, a return spring is further arranged between the outer side surface of the second locking pin and the top of the second locking hole.

In order to better realize the utility model, the top end of the suspension arm is further provided with a bayonet, the bayonet corresponding to the top end of the suspension arm on the clamping plate is provided with a waist-shaped opening, and the waist-shaped opening is correspondingly clamped with the bayonet; the clamping plate is connected with a threaded hole at the top of the main hanging beam through a connecting bolt.

Compared with the prior art, the utility model has the following advantages:

(1) According to the utility model, the rotating disc which rotates by taking the vertical axis of the center of the main hanging beam as a rotating shaft is rotatably arranged at the center of the main hanging beam, and the hanging arms are symmetrically inserted at the two ends of the rotating disc, so that the top ends of the hanging arms can correspondingly pass through the rotating arc-shaped grooves on the main hanging beam, and the top ends of the hanging arms can slide along the rotating arc-shaped grooves, and further the rotating disc can be rotated to drive the hanging arms and the sandboxes hoisted between the hanging arms at the two ends to overturn along the vertical axis in the first direction;

(2) According to the utility model, the lifting roller assembly is arranged at the bottom end of the lifting arm, the bottom of the outer side face of the handle shaft on the side face of the sandbox is rotatably supported by the supporting roller group in the lifting roller assembly, and the top of the outer side face of the handle shaft on the side face of the sandbox is rotatably pressed by the pressing roller group in the lifting roller assembly, so that the sandbox can turn around the axis of the handle shaft in the second direction.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a sandbox overturning lifting appliance;

FIG. 2 is an enlarged view of a portion of FIG. 1 at B;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 4 is a top view of the sandbox tipping spreader;

fig. 5 is a partial enlarged view at C of fig. 1.

Wherein: 1-a main hanging beam; 2-hanging rings; 3-rotating a disc; 4-a suspension arm; 5-rotating the arc-shaped groove; 6-clamping plates; 7-hoisting the roller assembly; 11-locking means; 71-a pressing roller group; 72-supporting roller groups; 711-semi-ring pressing seat; 712-pinch rollers; 713-a hinge shaft; 714-locking bolt; 721-a half-ring support; 722 supporting rollers; 111-a first locking pin; 112-a second locking pin; 113-return spring.

Detailed Description

The following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the utility model clearly indicates otherwise, and it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

For convenience of description, the words "upper", "lower", "left" and "right" in the present utility model, if they mean only that the directions are consistent with the upper, lower, left, and right directions of the drawings per se, and do not limit the structure, only for convenience of description and simplification of the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "mounted," "connected," "secured," and the like are to be construed broadly and refer to either a fixed connection, a removable connection, or an integral body, for example; the terms are used herein as specific meanings as understood by those of ordinary skill in the art, and are not limited to the following terms.

Example 1:

the sandbox overturning lifting appliance comprises a main lifting beam 1, lifting rings 2 are arranged at two ends of the top of the main lifting beam 1, a rotating disc 3 is rotatably arranged in the middle of the main lifting beam 1, lifting arms 4 are arranged at two ends of the bottom of the rotating disc 3, a rotating arc-shaped groove 5 is formed in the main lifting beam 1 corresponding to the top end of the lifting arms 4, and the top end of the lifting arms 4 upwards penetrates through the rotating arc-shaped groove 5 and is provided with clamping plates 6; the bottom of davit 4 is provided with hoist and mount roller assembly 7, and hoist and mount roller assembly 7's hoist and mount end is provided with the hoist and mount mouth corresponding the handle axle of sandbox, and the hoist and mount mouth is connected with handle axle normal running fit.

Main hanging beam 1 includes central beam slab and symmetrical welding at the supporting beam at both ends about central beam slab, and is provided with strengthening rib or enhancement wing between the side of supporting beam and the central beam slab, and the top screw thread installation or the welded mounting of supporting beam have rings 2, articulate with rings 2 through outside lifting rope, can conveniently hoist main hanging beam 1.

The center of the bottom of the main hanging beam 1 is provided with a rotating disc 3 by taking the central vertical axis of the main hanging beam 1 as a rotating shaft, the left end and the right end of the rotating disc 3 are symmetrically inserted with hanging arms 4, and the left end and the right end of a central beam plate of the main hanging beam 1 are respectively provided with a rotating arc-shaped groove 5 corresponding to the top ends of the hanging arms 4. The top of davit 4 upwards passes and rotates arc wall 5 and extend to the top of rotating arc wall 5, and the top card of davit 4 is equipped with cardboard 6, cardboard 6 then with the top terminal surface butt of center beam board for the sandbox gravity that davit 4 received passes through cardboard 6 and transmits to main hanging beam 1 on. When the clamping plate 6 locks the top end of the suspension arm 4, the suspension arm 4 cannot slide along the rotating arc-shaped groove 5. When the clamping plate 6 is cancelled to lock the clamping position at the top end of the suspension arm 4, the rotation disc 3 can be rotated to drive the top end of the suspension arm 4 to rotate a certain angle along the rotation arc-shaped groove 5, so that the suspension arm 4 can rotate by taking the vertical axis at the center of the main suspension beam 1 as a rotating shaft, and then the sandbox arranged between the suspension arms 4 at the two ends is driven to overturn in the first direction.

The bottom of davit 4 then is provided with hoist and mount roller assembly 7, and hoist and mount mouth and the handle axle in the sandbox outside of hoist and mount roller assembly 7 hoist and mount end rotate the grafting, through the rolling contact of gyro wheel and handle axle, realize that the sandbox carries out the reverse upset of second along the axis of handle axle. When the second reverse overturning is needed, the outer traction cable is connected with the hook at the outer side of the sandbox, and external force is applied, so that the sandbox can be driven to overturn along the second direction.

Example 2:

the sandbox overturning lifting appliance of the embodiment is improved on the basis of embodiment 1, as shown in fig. 1-3, the lifting roller assembly 7 comprises a pressing roller group 71 and a supporting roller group 72, the supporting roller group 72 is fixedly arranged at the bottom end of the suspension arm 4, the pressing roller group 71 is movably hinged to the top of the supporting roller group 72, and a lifting opening is formed between the bottom of the supporting roller group 72 and the top of the supporting roller group 72.

The supporting roller set 72 comprises a semi-ring supporting seat 721, supporting rollers 722 and a supporting connecting flange, one end of the semi-ring supporting seat 721 is fixedly connected with the bottom end of the suspension arm 4 through the supporting connecting flange, and a plurality of supporting rollers 722 are uniformly arranged on the inner annular surface of the semi-ring supporting seat 721 in a rotating manner along the circumferential direction.

The pressing roller group 71 comprises a semi-ring pressing seat 711, a pressing roller 712, a hinge shaft 713 and a locking bolt 714, wherein one end of an opening of the semi-ring pressing seat 711 is hinged with one end of an opening of the semi-ring supporting seat 721 through the hinge shaft 713, and the other end of the opening of the semi-ring pressing seat 711 is in threaded connection with the other end of the opening of the semi-ring supporting seat 721 through the locking bolt 714; a plurality of pressing rollers 712 are uniformly and rotatably arranged on the inner annular surface of the semi-annular pressing seat 711 along the circumferential direction.

The bottom of davit 4 is provided with the mounting hole, installs in the mounting hole and supports flange, and supports flange's flange face and the screw hole correspondence threaded connection on the terminal surface of davit 4 bottom through connecting bolt. The side of the supporting connecting flange close to the sandbox is in threaded connection with one side of the semi-ring supporting seat 721 through a connecting bolt or is directly welded with one side of the semi-ring supporting seat 721, so that the semi-ring supporting seat 721 is fixedly installed at the bottom end of the suspension arm 4. The semi-ring supporting seat 721 is provided with a semi-circular opening which is upwards opened, a plurality of installation lugs are uniformly arranged on the inner ring surface of the semi-circular opening along the circumferential direction, the installation lugs are provided with installation holes, the wheel shafts of the supporting rollers 722 are rotatably installed in the installation holes through bearings, and the rims of the supporting rollers 722 are in rolling contact with the bottoms of the outer side surfaces of the handle shafts of the sandboxes.

One end of the opening of the semi-ring supporting seat 721 corresponds to one end of the opening of the semi-ring pressing seat 711 and is provided with a connecting support lug, the connecting support lug is correspondingly provided with a hinge hole, and a hinge shaft 713 is inserted into the hinge hole. The other end of the opening of the semi-ring supporting seat 721 and the other end of the opening of the semi-ring pressing seat 711 are correspondingly provided with locking holes, and locking bolts 714 are inserted into the locking holes. The semi-ring pressing seat 711 is provided with a semi-circular opening with a downward opening, a plurality of mounting lugs are uniformly arranged on the inner ring surface of the semi-circular opening along the circumferential direction, mounting holes are formed in the mounting lugs, the wheel shafts of the pressing rollers 712 are rotatably mounted in the mounting holes through bearings, and the rims of the plurality of pressing rollers 712 are in rolling contact with the top of the outer side surface of the handle shaft of the sandbox and limit the handle shaft in the lifting opening.

Further, at least two pressing rollers 712 are uniformly and rotatably arranged on the inner ring surface of the semicircular opening of the semicircular pressing seat 711 along the circumferential direction; at least two supporting rollers 722 are uniformly arranged on the inner ring surface of the semicircular opening of the semicircular supporting seat 721 in a circumferential direction in a rotating manner, and the distance between the rollers and the diameters of the rollers can be flexibly adjusted to adapt to the supporting requirements of handle shafts with different diameters.

Other portions of this embodiment are the same as those of embodiment 1, and thus will not be described in detail.

Example 3:

the sandbox overturning lifting appliance of the embodiment is improved on the basis of embodiment 1 or 2, as shown in fig. 1 and 5, a rotating groove is formed in the center of the bottom of a main lifting beam 1, a rotating disc 3 is rotatably clamped in the rotating groove, a through hole for the top end of a lifting arm 4 to pass through is formed in the rotating disc 3, and a locking device 11 extending into the rotating groove and tightly locking the rotating disc 3 is arranged on one side of the rotating groove.

The locking device 11 comprises a first locking pin 111 and a second locking pin 112, a first locking hole is formed in the side wall of the rotating groove along the radial direction passing through the center of the rotating disc 3, the first locking pin 111 is slidably arranged in the first locking hole, and a plurality of locking holes are uniformly formed in the outer side wall of the rotating disc 3 along the circumferential direction, corresponding to the end part of the first locking pin 111; the main hanging beam 1 is provided with a second locking hole along the direction perpendicular to the axis of the first locking pin 111, a second locking pin 112 is installed in the second locking hole in a threaded fit manner, and a locking notch is formed in the outer side face of the first locking pin 111 corresponding to the end portion of the second locking pin 112.

When the rotating disc 3 needs to be locked, the first locking pin 111 is inserted into the first locking hole, and the first locking pin 111 is pushed, so that the end part of the first locking pin 111 is inserted into the locking hole on the outer side surface of the rotating disc 3, and then the rotating disc 3 is locked in a rotating way through the first locking pin 111, so that the rotating disc 3 cannot rotate continuously. Meanwhile, after the first locking pin 111 is locked in place, the end part of the second locking pin 112 arranged in the second locking hole just corresponds to the locking notch on the side surface of the first locking pin 111, at the moment, the end part of the second locking pin 112 is inserted into the locking notch on the side surface of the first locking pin 111 by rotating the second locking pin 112, and then the second locking pin 112 is used for locking the first locking pin 111 for the second time, so that the first locking pin 111 is effectively prevented from falling out of the locking hole on the outer side surface of the rotating disc 3.

A return spring 113 is disposed between the outer side surface of the second locking pin 112 and the top of the second locking hole, and the return spring 113 is compressed when the second locking pin 112 is rotated to drive the second locking pin 112 to move downward. When the second locking pin 112 is reversely rotated, the return spring 113 returns to the original state and provides upward elastic force for the second locking pin 112, so that the second locking pin 112 is assisted to be separated from a locking notch on the side surface of the first locking pin 111, and unlocking assistance is realized.

Other portions of this embodiment are the same as those of embodiment 1 or 2, and thus will not be described in detail.

Example 4:

the sandbox overturning lifting appliance of the embodiment is improved on the basis of any one of the embodiments 1-3, as shown in fig. 1 and 4, the top end of the suspension arm 4 is provided with a bayonet, the bayonet corresponding to the top end of the suspension arm 4 on the clamping plate 6 is provided with a waist-shaped opening, and the waist-shaped opening is correspondingly clamped with the bayonet; the clamping plate 6 is connected with a threaded hole at the top of the main hanging beam 1 through a connecting bolt.

The waist-shaped notch is correspondingly inserted with a bayonet at the top end of the suspension arm 4, so that the end face of the clamping plate 6 fixes the clamping position of the top end of the suspension arm 4 at the top of the main suspension beam 1, and further locking of the suspension arm 4 is achieved. Simultaneously, be provided with the screw hole in the top of main hanging beam 1 and correspond the connecting bolt position on cardboard 6, realize cardboard 6 at the fixed of main hanging beam 1 top through the threaded connection of connecting bolt and screw hole, transmit the sandbox gravity that davit 4 received to main hanging beam 1 through cardboard 6.

Other portions of this embodiment are the same as any of embodiments 1 to 3, and thus will not be described in detail.

The above is only a preferred embodiment of the present utility model, and the present utility model is not limited in any way, and any simple modification and equivalent changes of the above embodiments according to the technical substance of the present utility model fall within the protection scope of the present utility model.

Claims (8)

1. The utility model provides a sandbox upset hoist, includes main hanging beam (1), the top both ends of main hanging beam (1) are provided with rings (2), a serial communication port, the middle part rotation of main hanging beam (1) is provided with rolling disc (3), the bottom both ends of rolling disc (3) are provided with davit (4), the top that corresponds davit (4) on main hanging beam (1) is provided with rotation arc wall (5), the top of davit (4) upwards passes rotation arc wall (5) and is provided with cardboard (6); the bottom of davit (4) is provided with hoist and mount roller assembly (7), hoist and mount end of hoist and mount roller assembly (7) is provided with the hoist and mount mouth corresponding the handle axle of sandbox, hoist and mount mouth and handle axle normal running fit are connected.

2. The sandbox overturning lifting appliance according to claim 1, wherein the lifting roller assembly (7) comprises a pressing roller group (71) and a supporting roller group (72), the supporting roller group (72) is fixedly arranged at the bottom end of the suspension arm (4), the pressing roller group (71) is movably hinged to the top of the supporting roller group (72), and a lifting opening is formed between the bottom of the supporting roller group (72) and the top of the supporting roller group (72).

3. The sandbox overturning lifting appliance according to claim 2, wherein the supporting roller group (72) comprises a semi-ring supporting seat (721), supporting rollers (722) and a supporting connecting flange, one end of the semi-ring supporting seat (721) is fixedly connected with the bottom end of the suspension arm (4) through the supporting connecting flange, and a plurality of supporting rollers (722) are uniformly arranged on the inner annular surface of the semi-ring supporting seat (721) in a rotating mode along the circumferential direction.

4. A sandbox overturning lifting appliance according to claim 3, characterized in that the pressing roller group (71) comprises a half-ring pressing seat (711), a pressing roller (712), a hinge shaft (713) and a locking bolt (714), one end of the opening of the half-ring pressing seat (711) is hinged with one end of the opening of the half-ring supporting seat (721) through the hinge shaft (713), and the other end of the opening of the half-ring pressing seat (711) is in threaded connection with the other end of the opening of the half-ring supporting seat (721) through the locking bolt (714); a plurality of compression rollers (712) are uniformly arranged on the inner annular surface of the semi-annular compression seat (711) in a rotating manner along the circumferential direction.

5. A sandbox overturning lifting appliance according to any one of claims 1 to 4, characterized in that a rotating groove is arranged at the bottom center of the main lifting beam (1), a rotating disc (3) is rotatably clamped in the rotating groove, a through hole for the top end of the lifting arm (4) to pass through is arranged on the rotating disc (3), and a locking device (11) which extends into the rotating groove and tightly locks the rotating disc (3) in a propping manner is arranged on one side of the rotating groove.

6. The sandbox overturning lifting appliance according to claim 5, wherein the locking device (11) comprises a first locking pin (111) and a second locking pin (112), a first locking hole is formed in the side wall of the rotating groove along the radial direction passing through the center of the rotating disc (3), the first locking pin (111) is slidably arranged in the first locking hole, and a plurality of locking holes are uniformly formed in the outer side wall of the rotating disc (3) along the circumferential direction at the end part corresponding to the first locking pin (111); the main hanging beam (1) is provided with a second locking hole along the direction perpendicular to the axis of the first locking pin (111), a second locking pin (112) is installed in the second locking hole in a threaded fit mode, and a locking notch is formed in the outer side face of the first locking pin (111) corresponding to the end portion of the second locking pin (112).

7. The sandbox turning sling as defined in claim 6, wherein a return spring (113) is provided between the outer side of the second locking pin (112) and the top of the second locking hole.

8. The sandbox overturning lifting appliance according to any one of claims 1 to 4, wherein a bayonet is arranged at the top end of the suspension arm (4), a waist-shaped opening is arranged on the clamping plate (6) corresponding to the bayonet at the top end of the suspension arm (4), and the waist-shaped opening is correspondingly clamped with the bayonet; the clamping plate (6) is connected with a threaded hole at the top of the main hanging beam (1) through a connecting bolt.