CN217102745U

CN217102745U - Lifting portal frame capable of being operated by one person and synchronously lifted at two sides

Info

Publication number: CN217102745U
Application number: CN202220637601.3U
Authority: CN
Inventors: 王峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-02
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a hoisting portal frame capable of synchronously lifting and descending at two sides by one person, which comprises a base, universal wheels, upright rods and a beam, wherein two embedded columns are embedded in the inner sides of the upright rods in a sliding manner, two operating mechanisms are fixedly connected on the upright rods and comprise a frame, a rotating shaft and a wire spool, the rotating shaft is rotatably connected to the inner sides of the frame, the rotating shaft and the wire spool synchronously rotate through a transmission mechanism, a steel wire rope for driving the embedded columns in the vertical direction is wound on the wire spool, a connecting shaft is detachably arranged between the two rotating shafts, the scheme is characterized in that the operating mechanisms are arranged on the two upright rods, a connecting shaft for butt joint is arranged between the two operating mechanisms, the operating mechanisms realize the driving of a crank to the wire spool by utilizing mutually meshed gear disks, and the wire spool realizes the winding or unwinding of the steel wire rope, synchronous lifting of the embedded columns on the two sides is achieved, and therefore convenience in operation of the portal frame is improved.

Description

Lifting portal frame capable of being operated by one person and synchronously lifted at two sides

Technical Field

The application relates to the technical field of portal frames, in particular to a hoisting portal frame capable of being operated by one person and synchronously lifted on two sides.

Background

The portal frame is a novel small-sized hoisting portal frame developed according to the requirements of carrying equipment, warehouse in and out goods, hoisting and maintaining heavy equipment and material transportation in daily production of medium and small factories. The method is suitable for manufacturing moulds, automobile repair factories, mines, civil engineering construction sites and occasions needing lifting. The lifting machine is commonly used for material transportation and up-and-down use of constructors in building construction, and achieves lifting mechanization. The manpower can be reduced, the production and operation cost can be reduced, and the working efficiency can be improved.

The existing partial portal frame is in a manual mode, the high lifting of the cross beam is realized through the operation of the transmission mechanism, but the portal frame has certain defects, and because the portal frame has two stand columns, the operation is carried out by one person, and the operation is inconvenient and poor in practicability because the portal frame needs two persons to be operated synchronously for ensuring the synchronization of the lifting of the cross beam. Therefore, the person skilled in the art provides a gantry crane capable of being operated by one person and synchronously lifting at two sides, so as to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that proposes among the above-mentioned background art, this application provides a hoisting portal frame that both sides go up and down in step of single-person operation.

The utility model provides a pair of hoisting portal frame of single-person operation both sides synchronous lift, the on-line screen storage device comprises a base, the below of base is provided with the universal wheel, and the equal fixedly connected with pole setting in middle section position of base, two the top of pole setting is provided with the crossbeam, two the inboard of pole setting is all slided and is inlayed embedded post, two equal fixedly connected with operating device in the pole setting, operating device includes frame, pivot and wire reel, the pivot is rotated and is connected in the inboard of frame, and rotates through drive mechanism is synchronous between pivot and the wire reel, around being equipped with to carry out vertical direction drive's wire rope to the embedded post on the wire reel, two detachable installs the connecting axle between the pivot.

Preferably, the rotating shaft is sleeved with a driving gear, one side of the wire spool is fixedly connected with a driven gear in a coaxial mode, the driven gear is in meshed transmission connection with the driving gear, and one end, far away from the connecting shaft, of the rotating shaft is fixedly connected with a crank.

Preferably, the inner side of the frame is rotatably connected with a buckle, the bottom end of the buckle is provided with an extension spring elastically connected with the buckle, the bottom end of the extension spring is fixedly connected with the inner wall of the frame, and the free end of the buckle is matched with the driving gear for use.

Preferably, one side of the embedded column is provided with a connecting rod fixedly connected with the top end of the embedded column, the bottom end of the connecting rod is fixedly connected with a connecting block, the outer wall of the vertical rod is fixedly connected with a limiting sleeve, and the connecting rod is slidably embedded in the inner side of the limiting sleeve.

Preferably, the free end of the steel wire rope is fixedly connected with the connecting block, the top end of the upright rod is rotatably connected with a steering wheel, and the steel wire rope penetrates through the steering wheel to realize steering.

To sum up, this application includes following beneficial technological effect:

through all setting up operating device in two pole settings, and set up the connecting axle that is used for the butt joint between two operating device, operating device utilizes intermeshing's toothed disc to realize the crank to the drive of wire reel to the wire reel is realized coiling or unwrapping wire rope, with this synchronous lift of embedded post in realizing both sides, with this convenience that promotes the portal frame operation, realizes single synchronous lifting operation.

Drawings

FIG. 1 is an isometric view of a single-person operated, two-sided, synchronized lift gantry of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of a single-person operated gantry crane with two sides synchronously raised and lowered in an embodiment of the present application;

fig. 3 is an internal structure view of an operating mechanism of a lifting portal frame capable of being operated by a single person and synchronously lifting at two sides in the embodiment of the application.

Description of reference numerals: 1. a base; 2. erecting a rod; 3. a cross beam; 4. a connecting shaft; 5. an operating mechanism; 501. a frame; 502. a rotating shaft; 503. a driving gear; 504. a wire spool; 505. a driven gear; 506. buckling; 507. an extension spring; 7. embedding a column; 8. a connecting rod; 9. a limiting sleeve; 10. a crank; 11. a wire rope; 12. a steering wheel; 13. and (4) connecting the blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a hoisting portal frame capable of being operated by one person and synchronously lifting on two sides. Referring to fig. 1-3, a hoisting portal frame capable of being operated by a single person and synchronously lifting at two sides comprises a base 1, universal wheels are arranged below the base 1, upright posts 2 are fixedly connected to the middle position of the base 1, a beam 3 is arranged at the top ends of the two upright posts 2, embedded posts 7 are slidably embedded in the inner sides of the two upright posts 2, operating mechanisms 5 are fixedly connected to the two upright posts 2, each operating mechanism 5 comprises a frame 501, a rotating shaft 502 and a wire reel 504, the rotating shaft 502 is rotatably connected to the inner side of the frame 501, the rotating shaft 502 and the wire reel 504 synchronously rotate through a transmission mechanism, a steel wire rope 11 for driving the embedded posts 7 in the vertical direction is wound on the wire reel 504, a connecting shaft 4 is detachably mounted between the two rotating shafts 502, a driving gear 503 is sleeved on the rotating shaft 502, a driven gear 505 is coaxially and fixedly connected to one side of the wire reel 504, and the driven gear 505 is in meshing transmission connection with the driving gear 503, the crank 10 is fixedly connected to one end of the rotating shaft 502 far away from the connecting shaft 4, the two ends of the preferred rotating shaft 502 are arranged through the frame 501, one end of the preferred rotating shaft 502 is fixedly connected with the crank 10 through a bolt, the other end of the preferred rotating shaft 502 is fixedly connected with the connecting shaft 4 through a bolt, the inner side of the frame 501 is rotatably connected with the buckle 506, the bottom end of the buckle 506 is provided with the extension spring 507 which is elastically connected with the buckle, the bottom end of the extension spring 507 is fixedly connected with the inner wall of the frame 501, the free end of the buckle 506 is matched with the driving gear 503 for use, the preferred extension spring 507 has the force of pulling the buckle 506 downwards, the free end of the buckle 506 is clamped to the inner side of the driving gear 503, so that the reverse rotation of the driving gear 503 is limited, meanwhile, the stable embedding of forward movement is ensured, the braking function is realized, the safety of the device during operation is improved, one side of the column 7 is provided with the connecting rod 8 which is fixedly connected with the top end of the column, and the bottom fixedly connected with connecting block 13 of connecting rod 8, fixedly connected with stop collar 9 on the outer wall of pole setting 2, connecting rod 8 cunning inlays in the inboard of stop collar 9, the length of preferred embedded post 7 is the same with connecting rod 8, clearance fit between stop collar 9 and the connecting rod 8, guarantee the steady operation of embedded post 7, the through-hole has been seted up on the preferred pole setting 2, evenly distributed has a plurality of through-hole on the embedded post 7, through the plug pin axle in the through-hole, guarantee the stability of device in the use, fixed connection between wire rope 11's free end and the connecting block 13, the top of pole setting 2 is rotated and is connected with directive wheel 12, wire rope 11 passes directive wheel 12 and realizes turning to, preferred directive wheel 12 is located one side of stop collar 9, utilize directive wheel 12 to realize turning to wire rope 11, thereby the combination is the fixed pulley structure each other.

The implementation principle of the hoisting portal frame capable of being synchronously lifted on two sides through single operation is as follows: when the height of a cross beam 3 of a portal frame needs to be adjusted, firstly, a connecting shaft 4 is sleeved between two rotating shafts 502 and is fixed through bolts, then, a crank 10 is rotated, the crank 10 drives the rotating shafts 502 and the connecting shaft 4 to rotate, driving gears 503 fixedly connected to the two rotating shafts 502 synchronously rotate and are meshed with driven gears 505 on the transmission connecting sides, so that a wire spool 504 rotates, when the wire spool 504 rotates, a steel wire rope 11 is wound, the length of the external steel wire rope 11 is shortened, the tail ends of the two steel wire ropes 11 synchronously drive two connecting rods 8 to slide upwards, so that two ends of the cross beam 3 stably slide upwards, and the portal frame is convenient to operate; in the rotation process of the crank 10, the driving gear 503 is in contact with the end of the buckle 506, under the action of the extension spring 507, the end of the buckle 506 is always in clamping connection with the clamping teeth of the driving gear 503, so that the handle is prevented from being released in the rotation and lifting process, the driving gear plate 503 rotates reversely, the safety of the device is reduced, after the device is adjusted in place, a pin is inserted into the vertical rod 2 and penetrates through the embedded column 7, the stability of the device in the subsequent use process is guaranteed, and in the subsequent use process, the connecting shaft 4 between the two rotating shafts 502 is detached, so that the normal use of the portal frame is guaranteed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hoisting portal frame that single operator both sides go up and down in step, includes base (1), the below of base (1) is provided with the universal wheel, and the equal fixedly connected with pole setting (2) in middle section position of base (1), two the top of pole setting (2) is provided with crossbeam (3), its characterized in that: two the inboard of pole setting (2) is all slided and is inlayed embedded post (7), two equal fixedly connected with operating device (5) on pole setting (2), operating device (5) are including frame (501), pivot (502) and wire reel (504), pivot (502) rotate to be connected in the inboard of frame (501), and rotate through drive mechanism is synchronous between pivot (502) and wire reel (504), wire rope (11) that vertical direction drive was carried out to embedded post (7) around being equipped with on wire reel (504), two connecting axle (4) are installed to detachable between pivot (502).

2. The single-person operated double-side synchronous lifting gantry according to claim 1, characterized in that: the coaxial fixedly connected with crank handle (10) of connecting axle (4) is kept away from in pivot (502), the cover is equipped with driving gear (503) on pivot (502), coaxial fixedly connected with driven gear (505) in wire reel (504) one side, and meshing transmission is connected between driven gear (505) and driving gear (503), pivot (502).

3. The gantry crane capable of being operated by one person and synchronously lifting at two sides as claimed in claim 1, wherein: the inner side of the frame (501) is rotatably connected with a buckle (506), the bottom end of the buckle (506) is provided with an extension spring (507) which is elastically connected with the buckle, the bottom end of the extension spring (507) is fixedly connected with the inner wall of the frame (501), and the free end of the buckle (506) is matched with the driving gear (503) for use.

4. The gantry crane capable of being operated by one person and synchronously lifting at two sides as claimed in claim 1, wherein: one side of embedded column (7) is provided with connecting rod (8) rather than top fixed connection, and the bottom fixedly connected with connecting block (13) of connecting rod (8), fixedly connected with stop collar (9) on the outer wall of pole setting (2), connecting rod (8) cunningly inlay in the inboard of stop collar (9).

5. The gantry crane capable of being operated by one person and synchronously lifting at two sides as claimed in claim 4, wherein: the steel wire rope steering device is characterized in that the free end of the steel wire rope (11) is fixedly connected with the connecting block (13), the top end of the vertical rod (2) is rotatably connected with a steering wheel (12), and the steel wire rope (11) penetrates through the steering wheel (12) to achieve steering.