CN214570138U - Foldable hoisting portal frame - Google Patents

Abstract

The utility model discloses a foldable hoisting portal frame, which comprises two groups of mounting plates and two groups of cross bars, wherein the lower surface of each cross bar is provided with two groups of mounting seats, universal wheels are arranged at the bottom of each mounting seat, two groups of cleaning mechanisms for protecting the universal wheels are arranged on each mounting seat, each cleaning mechanism comprises a fixing strip and a connecting strip, the lower surface of each fixing strip is provided with a mounting block, the inside of each mounting block is respectively provided with a groove and a thread groove, the top of each connecting strip can penetrate into the inside of each groove, and the inner threads of each thread groove are connected with a threaded rod; the utility model discloses a mechanism cleans of design, the portal frame of being convenient for can clean the ground that the universal wheel will pass through at the removal in-process, prevents that subaerial some little stones or foreign matter from having, leads to the universal wheel to roll from stone or foreign matter and leads to the fact the unstable condition, has reduced the potential safety hazard, has improved the security of portal frame at the removal in-process.

Description

Foldable hoisting portal frame

Technical Field

The utility model belongs to the technical field of the portal frame, concretely relates to folded cascade hoist and mount portal frame.

Background

The portal frame is according to well, daily production needs handling equipment of little mill (company), warehouse shipment, lifts by crane the needs of maintenance installation heavy equipment and material transportation, and the novel small-size portal frame that lifts by crane that develops is applicable to manufacturing mould, vapour and repaiies mill, mine, civil engineering construction site and needs jack-up occasion, reducible manpower, reduces production operation cost, improves work efficiency.

The existing gantry frame needs to be moved to use the gantry frame in the using process, but in the moving process, when some small stones or foreign matters appear on the ground, universal wheels on the gantry frame roll over the stones or the foreign matters, so that the gantry frame is easy to be unstable in moving, the gantry frame is easy to tilt, and safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folded cascade hoist and mount portal frame to propose current portal frame in the in-process that uses among the above-mentioned background art of solution, need remove the portal frame and use, but at the in-process when removing, when some little stones or foreign matters appear in the ground, universal wheel on the portal frame can be followed stones or foreign matters and rolled over, leads to the portal frame to appear unstablely when removing easily, causes the portal frame to appear askewly easily, produces the problem of incident.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a folded cascade hoist and mount portal frame, includes two sets of mounting panels and two sets of crossbands, the lower surface of crossband is provided with two sets of mounts, the bottom of mount pad is provided with the universal wheel, be provided with two sets of confessions on the mount pad the universal wheel carries out the mechanism that cleans of protecting, it includes fixed strip and connecting strip to clean the mechanism, the lower surface of fixed strip is provided with the installation piece, recess and thread groove are seted up respectively to the inside of installation piece, the top of connecting strip can penetrate the inside of recess, the inside threaded connection of thread groove has the threaded rod, the one end of threaded rod extends to the surface of connecting strip, the other end of threaded rod is provided with the crank, the lower surface of connecting strip is provided with the brush.

Preferably, the back of mounting panel is provided with the support frame, be provided with adjustment mechanism on the mounting panel, adjustment mechanism includes six screw holes of group and two sets of second bolts, the work end of second bolt can pass the mounting panel extends to the inside of screw hole, just the work end of second bolt with pass through threaded connection between the screw hole.

Preferably, the back of mounting panel is provided with two sets of angle braces, the top of angle brace with be provided with the pivot between the mounting panel, the surface of mounting panel still is provided with first bolt, the working end of first bolt passes the mounting panel extends to the inside of angle brace.

Preferably, the bottom of the inclined bracket is provided with a screw, and the working end of the screw penetrates through the inclined bracket and extends to the inside of the cross bar.

Preferably, the upper surface of the support frame is provided with an I-shaped steel.

Preferably, the I-steel, the support frame, the mounting plate, the inclined support frame and the cross bars are steel components, and the I-steel is connected with the support frame through welding.

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

(1) the utility model discloses a mechanism cleans of design, the portal frame of being convenient for can clean the ground that the universal wheel will pass through at the removal in-process, prevents that subaerial some little stones or foreign matter from having, leads to the universal wheel to roll from stone or foreign matter and leads to the fact the unstable condition, has reduced the potential safety hazard, has improved the security of portal frame at the removal in-process.

(2) The utility model discloses an adjustment mechanism of design, the in use of being convenient for can come the height of adjusting the support frame as required, makes things convenient for operating personnel to use the portal frame according to different environment, and application range is wide, has improved operating personnel's convenient to use nature.

Drawings

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

FIG. 2 is a schematic view of the cleaning mechanism of the present invention;

FIG. 3 is a schematic sectional view of the mounting block of the present invention;

in the figure: 1. a brush; 2. a horizontal bar; 3. an oblique bracket; 4. a first bolt; 5. mounting a plate; 6. a rotating shaft; 7. a support frame; 8. i-shaped steel; 9. a threaded hole; 10. a second bolt; 12. a mounting seat; 13. a universal wheel; 14. a screw; 15. a crank; 16. a fixing strip; 17. mounting blocks; 18. a thread groove; 19. a threaded rod; 20. a connecting strip; 21. and (4) a groove.

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, the present invention provides a technical solution: a foldable hoisting portal frame comprises two groups of mounting plates 5 and two groups of transverse bars 2, two groups of mounting seats 12 are arranged on the lower surfaces of the transverse bars 2, universal wheels 13 are arranged at the bottoms of the mounting seats 12, two groups of cleaning mechanisms for protecting the universal wheels 13 are arranged on the mounting seats 12, each cleaning mechanism comprises a fixing bar 16 and a connecting bar 20, a mounting block 17 is arranged on the lower surface of each fixing bar 16, a groove 21 and a thread groove 18 are respectively formed in the mounting block 17, the top of each connecting bar 20 can penetrate into the groove 21, a threaded rod 19 is connected to the inner thread of each thread groove 18, one end of each threaded rod 19 extends to the surface of each connecting bar 20, a crank 15 is arranged at the other end of each threaded rod 19, a brush 1 is arranged on the lower surface of each connecting bar 20, and the portal frame can clean the ground through which the universal wheels 13 pass by the designed cleaning mechanism in the moving process, the universal wheels 13 are prevented from rolling over from the stones or the foreign matters to cause instability due to the fact that small stones or foreign matters exist on the ground, potential safety hazards are reduced, and safety of the gantry in the moving process is improved.

In this embodiment, it is preferable, the back of mounting panel 5 is provided with support frame 7, be provided with adjustment mechanism on the mounting panel 5, adjustment mechanism includes six screw holes 9 and two sets of second bolt 10, the work end of second bolt 10 can pass mounting panel 5 and extend to the inside of screw hole 9, and pass through threaded connection between the work end of second bolt 10 and the screw hole 9, adjustment mechanism through the design, be convenient for in use can adjust the height of support frame 7 as required, make things convenient for operating personnel to use the portal frame according to different environment, wide application range, operating personnel's convenience in use has been improved.

In this embodiment, preferably, two sets of angle brackets 3 are disposed on the back surface of the mounting plate 5, a rotating shaft 6 is disposed between the top of each angle bracket 3 and the mounting plate 5, a first bolt 4 is further disposed on the surface of the mounting plate 5, and a working end of the first bolt 4 penetrates through the mounting plate 5 and extends into the angle bracket 3.

In this embodiment, it is preferable that the bottom of the angle bracket 3 is provided with a screw 14, and the working end of the screw 14 passes through the angle bracket 3 and extends to the inside of the cross bar 2.

In this embodiment, preferably, the upper surface of the supporting frame 7 is provided with an i-steel 8.

In this embodiment, preferably, the i-steel 8, the support frame 7, the mounting plate 5, the angle bracket 3, and the cross bar 2 are all steel members, and the i-steel 8 and the support frame 7 are connected by welding.

The utility model discloses a theory of operation and use flow: the first bolt 4 and the screw 14 are unscrewed, then the bottom of the inclined bracket 3 can be rotated inwards, and the inclined bracket 3 can be folded, so that the portal frame is convenient to use;

when the utility model is used, the top of the connecting strip 20 on the brush 1 penetrates into the groove 21, then the crank 15 is held to rotate towards the direction close to the mounting block 17, the threaded rod 19 is driven to rotate, then one end of the threaded rod 19 is clamped with the connecting strip 20, at the moment, the brush 1 can be mounted, the brush 1 can clean the road surface through which the universal wheel 13 passes when moving, when the brush 1 needs to be dismounted, the crank 15 is rotated towards the direction far away from the mounting block 17 to drive the threaded rod 19 to rotate, then one end of the threaded rod 19 is separated from the connecting strip 20, and at the moment, the brush 1 can be dismounted;

when the support frame 7 needs to be adjusted, the second bolt 10 is unscrewed, the working end of the second bolt 10 is separated from the threaded hole 9, then the support frame 7 is moved upwards or downwards to a proper height according to needs, then the second bolt 10 is screwed, the working end of the second bolt 10 penetrates into the threaded hole 9, and at this time, the height of the support frame 7 can be adjusted.

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 (6)

1. The utility model provides a folded cascade hoist and mount portal frame, includes two sets of mounting panels (5) and two sets of crossbands (2), its characterized in that: two groups of mounting seats (12) are arranged on the lower surface of the transverse bar (2), universal wheels (13) are arranged at the bottoms of the mounting seats (12), two groups of cleaning mechanisms for protecting the universal wheels (13) are arranged on the mounting seat (12), the cleaning mechanism comprises a fixed strip (16) and a connecting strip (20), the lower surface of the fixed strip (16) is provided with a mounting block (17), the inner part of the mounting block (17) is respectively provided with a groove (21) and a thread groove (18), the top of the connecting strip (20) can penetrate into the interior of the groove (21), a threaded rod (19) is connected with the inner thread of the threaded groove (18), one end of the threaded rod (19) extends to the surface of the connecting strip (20), the other end of the threaded rod (19) is provided with a crank (15), and the lower surface of the connecting strip (20) is provided with a brush (1).

2. The foldable hoisting portal frame of claim 1, wherein: the back of mounting panel (5) is provided with support frame (7), be provided with adjustment mechanism on mounting panel (5), adjustment mechanism includes six screw holes (9) and two sets of second bolt (10), the work end of second bolt (10) can pass mounting panel (5) and extend to the inside of screw hole (9), just the work end of second bolt (10) with through threaded connection between screw hole (9).

3. The foldable hoisting portal frame of claim 2, wherein: the back of mounting panel (5) is provided with two sets of angle braces (3), the top of angle braces (3) with be provided with pivot (6) between mounting panel (5), the surface of mounting panel (5) still is provided with first bolt (4), the work end of first bolt (4) passes mounting panel (5) and extend to the inside of angle braces (3).

4. The foldable hoisting portal frame of claim 3, wherein: the bottom of the inclined bracket (3) is provided with a screw (14), and the working end of the screw (14) penetrates through the inclined bracket (3) and extends into the cross bar (2).

5. The foldable hoisting portal frame of claim 4, wherein: the upper surface of the support frame (7) is provided with an I-shaped steel (8).

6. The foldable hoisting portal frame of claim 5, wherein: the I-steel (8), support frame (7), mounting panel (5) down-brace frame (3) with horizontal bar (2) are steel component, I-steel (8) with pass through welded connection between support frame (7).

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