CN218434564U

CN218434564U - Movable portal frame

Info

Publication number: CN218434564U
Application number: CN202222938409.0U
Authority: CN
Inventors: 王忠华
Original assignee: Jiangxi Xufeng Machinery Manufacturing Co ltd
Current assignee: Jiangxi Xufeng Machinery Manufacturing Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-02-03
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a portal frame technical field specifically is a portable portal frame, including the base, the bottom of base is equipped with the universal wheel, is equipped with supporting mechanism and support on the base, is equipped with adjustment mechanism on the supporting mechanism, is equipped with the crossbeam on the support, is equipped with hoisting machine on the crossbeam and constructs, and supporting mechanism includes the lead screw, and the lead screw rotates to be connected on the base, and threaded connection has the board of accepting on the lead screw. The utility model discloses a be provided with supporting mechanism, play and lift the universal wheel off the purpose on ground, prevent when the portal frame uses, unstable phenomenon appears, the utility model discloses a be provided with adjustment mechanism, the portal frame plays the effect of regulation when uneven subaerial uses, does benefit to the stability that improves the portal frame.

Description

Movable portal frame

Technical Field

The utility model relates to a portal frame technical field specifically is a portable portal frame.

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 hoisting portal frame is a hoisting device developed according to the requirements of daily production, equipment handling, warehouse in-out, hoisting and maintenance of heavy equipment and material transportation. The existing hoisting portal frame generally comprises an upper cross beam, two side columns below and fixedly connected with the cross beam and a base for supporting the columns.

The weight of whole portal frame is heavier, need move with the help of handling tool such as fork truck and the manual work is moved and is put, and it is more inconvenient to move, also has some portal frames to make the improvement to this problem, thereby has set up the gyro wheel in the base bottom and has formed portable portal frame, nevertheless, the setting up of gyro wheel makes the portal frame place the unstability to the portal frame is when uneven subaerial use, appears the unstability condition easily.

For example, chinese patent publication No. CN214738342U discloses a mobile portal frame, which comprises a beam, a column and a base that are sequentially connected from top to bottom, wherein a roller is arranged on the bottom surface of the base, and the mobile portal frame further comprises a lifting mechanism, wherein the lifting mechanism comprises a bearing pin that is arranged on the bottom surface of the base and can be suspended in the air or supported on the ground so that the roller is suspended in the air; the bearing leg is of a hydraulic jack type structure, and the lifting mechanism further comprises a hydraulic part and a hydraulic control button which are matched with the bearing leg; the movable portal frame of the utility model has the advantages that the retractable bearing foot is added, so that the roller can contact the ground after the bearing foot is folded, and the movement of the portal frame is convenient; after the bearing feet are put down, the base can be jacked up to suspend the idler wheels, so that the portal frame is convenient to position; when in use and storage, the bearing feet can be put down to release the load of the roller, the roller is not easy to damage, and the maintenance cost is low; the hydraulic jack type bearing foot has the advantages of strong bearing capacity, simple and quick retraction and release operation, and the hydraulic control button is convenient to control the retraction and release of the bearing foot.

According to the scheme disclosed by the prior patent document, the arrangement of the rollers at the bottom end of the portal frame in the prior art enables the portal frame to be placed unstably, and the portal frame is easy to be unstably when used on uneven ground.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable portal frame to stable problem inadequately when solving the portal frame and using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable portal frame, includes the base, the bottom of base is equipped with the universal wheel, through being provided with the universal wheel, the convenient removal of the portal frame of being convenient for, be equipped with supporting mechanism and support on the base, through being provided with supporting mechanism, play the purpose of lifting the universal wheel off the ground, prevent when the portal frame uses, the unstability phenomenon appears, be equipped with adjustment mechanism on the supporting mechanism, through being provided with adjustment mechanism, the portal frame plays the effect of adjusting when unevenness subaerial uses, does benefit to the stability that improves the portal frame, be equipped with the crossbeam on the support, be equipped with hoisting mechanism on the crossbeam, supporting mechanism includes the lead screw, the lead screw rotates and connects on the base, threaded connection has the board of accepting on the lead screw, through being provided with the lead screw, is convenient for drive and accepts the board and carries out vertical motion along the surface of gag lever.

Preferably, the bottom end of the bearing plate is provided with a supporting leg, the base is provided with a through hole, and the supporting leg can conveniently penetrate through the base through the through hole.

Preferably, the base is provided with a limiting rod, the bearing plate is connected with the limiting rod in a sliding mode, and the limiting rod is arranged to limit the movement of the bearing plate.

Preferably, the inner wall of support is equipped with the motor, the pivot end of motor is equipped with the gear, and the motor has positive and negative rotation function.

Preferably, the screw rod is provided with a gear ring, the gear ring is meshed with the gear, and the purpose of driving the screw rod to rotate is achieved when the motor works through the gear and the gear ring.

Preferably, adjustment mechanism includes the mounting panel, mounting panel fixed mounting is on the landing leg, through being provided with the mounting panel, is convenient for install the threaded rod.

Preferably, threaded connection has the threaded rod on the mounting panel, through being provided with the threaded rod, is convenient for drive the bottom plate and removes.

Preferably, the bottom end of the threaded rod penetrates through the mounting plate and is rotatably connected with a bottom plate, and the bottom plate is a square plate.

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

1. the utility model discloses a be provided with supporting mechanism, play and lift the universal wheel off the purpose on ground, prevent when the portal frame uses, the unstable phenomenon appears.

2. The utility model discloses a be provided with adjustment mechanism, the portal frame plays the effect of regulation when uneven subaerial use, does benefit to the stability that improves the portal frame.

Drawings

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

FIG. 2 is a cross-sectional view of the base of the present invention;

fig. 3 is a schematic view of the receiving plate of the present invention.

In the figure: 1. a base; 21. a through hole; 22. a support leg; 23. a screw rod; 24. a bearing plate; 25. a toothed ring; 26. a limiting rod; 27. a gear; 28. a motor; 31. a base plate; 32. mounting a plate; 33. a threaded rod; 4. a universal wheel; 5. a support; 6. a cross beam; 7. hoisting machine constructs.

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.

Example 1

Referring to fig. 1, 2 and 3, a mobile portal frame shown in the figure comprises a base 1, universal wheels 4 are arranged at the bottom end of the base 1, the portal frame can be conveniently moved by arranging the universal wheels 4, a supporting mechanism and a support 5 are arranged on the base 1, the supporting mechanism is arranged to lift the universal wheels 4 off the ground, instability is prevented when the portal frame is used, an adjusting mechanism is arranged on the supporting mechanism, the portal frame can be adjusted when being used on uneven ground by arranging the adjusting mechanism, the stability of the portal frame is improved, a cross beam 6 is arranged on the support 5, a hoisting mechanism 7 is arranged on the cross beam 6, the supporting mechanism comprises a screw rod 23, the screw rod 23 is rotatably connected to the base 1, a bearing plate 24 is connected to the screw rod 23 in a threaded manner, and the bearing plate 24 is conveniently driven to vertically move along the surface of a limiting rod 26 by arranging the screw rod 23.

Wherein, the bottom of accepting board 24 is equipped with landing leg 22, through-hole 21 has been seted up on base 1, through being provided with through-hole 21, be convenient for landing leg 22 to pass base 1, be equipped with gag lever post 26 on the base 1, accept board 24 and gag lever post 26 sliding connection, the setting of gag lever post 26 plays the purpose spacing to accepting board 24 motion, the inner wall of support 5 is equipped with motor 28, motor 28's pivot end is equipped with gear 27, motor 28 has the function of just reversing, be equipped with ring gear 25 on the lead screw 23, ring gear 25 meshes with gear 27 mutually, through being provided with gear 27 and ring gear 25, at motor 28 during operation, play and drive lead screw 23 pivoted purpose.

When this portable portal frame uses: the motor 28 is started, the motor 28 drives the gear 27 to rotate, the gear 27 is meshed with the toothed ring 25, the lead screw 23 is driven to rotate through the toothed ring 25, the lead screw 23 drives the bearing plate 24 to vertically move downwards along the surface of the limiting rod 26, the bearing plate 24 drives the supporting leg 22 to move downwards in the moving process, the supporting leg 22 penetrates through the through hole 21 to be in contact with the ground, and the universal wheel 4 is supported.

Example 2

Referring to fig. 1, fig. 2 and fig. 3, the embodiment further describes embodiment 1, and the illustrated mobile portal frame includes a base 1, a universal wheel 4 is disposed at a bottom end of the base 1, and the portal frame is convenient to move by being provided with the universal wheel 4, a support mechanism and a bracket 5 are disposed on the base 1, and the support mechanism is disposed to lift the universal wheel 4 off the ground to prevent instability when the portal frame is used, and an adjustment mechanism is disposed on the support mechanism to adjust the portal frame when the portal frame is used on uneven ground, so as to improve stability of the portal frame, a beam 6 is disposed on the bracket 5, and a hoisting mechanism 7 is disposed on the beam 6, and the support mechanism includes a lead screw 23, the lead screw 23 is rotatably connected to the base 1, a receiving plate 24 is connected to the lead screw 23 through a thread, and the receiving plate 24 is convenient to be driven to vertically move along a surface of a limiting rod 26 by being provided with the lead screw 23.

Wherein, adjustment mechanism includes mounting panel 32, and mounting panel 32 fixed mounting is on landing leg 22, and through being provided with mounting panel 32, the threaded rod 33 of being convenient for install, threaded connection has threaded rod 33 on the mounting panel 32, through being provided with threaded rod 33, is convenient for drive bottom plate 31 and removes, and mounting panel 32 and swivelling joint have bottom plate 31 are run through to the bottom of threaded rod 33, and bottom plate 31's shape is square board.

In this embodiment, when base 1 is supported by landing leg 22, run through landing leg 22 and whether appear unsettled condition, if unsettled condition appears, rotate the threaded rod 33 that appears the unsettled department, threaded rod 33 will drive bottom plate 31 downstream, and it is subaerial until bottom plate 31 contacts to reach the purpose that keeps the portal frame stable, do benefit to the use of portal frame.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

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. A mobile gantry, comprising:

base (1), the bottom of base (1) is equipped with universal wheel (4), be equipped with supporting mechanism and support (5) on base (1), be equipped with adjustment mechanism on the supporting mechanism, be equipped with crossbeam (6) on support (5), be equipped with hoisting machine on crossbeam (6) and construct (7), supporting mechanism includes lead screw (23), lead screw (23) rotate to be connected on base (1), threaded connection has socket plate (24) on lead screw (23).

2. The mobile gantry of claim 1, wherein: the bottom end of the bearing plate (24) is provided with a supporting leg (22), and the base (1) is provided with a through hole (21).

3. The mobile gantry of claim 2, wherein: the base (1) is provided with a limiting rod (26), and the bearing plate (24) is connected with the limiting rod (26) in a sliding mode.

4. The mobile gantry of claim 1, wherein: the inner wall of support (5) is equipped with motor (28), the pivot end of motor (28) is equipped with gear (27).

5. The mobile gantry of claim 4, wherein: a gear ring (25) is arranged on the screw rod (23), and the gear ring (25) is meshed with the gear (27).

6. The mobile gantry of claim 1, wherein: the adjusting mechanism comprises a mounting plate (32), and the mounting plate (32) is fixedly mounted on the supporting leg (22).

7. The mobile gantry of claim 6, wherein: the mounting plate (32) is connected with a threaded rod (33) in a threaded manner.

8. The mobile gantry of claim 7, wherein: the bottom end of the threaded rod (33) penetrates through the mounting plate (32) and is rotatably connected with the bottom plate (31).