Assembled portal frame

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to an assembly type portal frame which comprises a first cross beam, a second cross beam and two walking wheel supports, one end of the first cross beam is connected with one end of the second cross beam in a mortise and tenon joint mode, and the other end of the second cross beam is connected with the two walking wheel supports. The tops of the two walking wheel supports are hinged to the other end of the first cross beam and the other end of the second cross beam respectively, and the first cross beam and the second cross beam are provided with lifting lugs respectively. During operation, the first cross beam and the second cross beam are rotated, the first cross beam and the second cross beam are directly fixed through mortise and tenon connection of the first cross beam and the second cross beam, rapid assembly of the portal frame is completed, and the disassembly and assembly efficiency is improved; after operation is finished, the first cross beam and the second cross beam can be quickly disassembled and put down, the two walking wheel supports can be pushed respectively to adapt to complex sites, and portability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hoisting equipment, more particularly to an assembled gantry. BACKGROUND

[0002] Oil depot process pipelines are complex, and various equipment is huge and heavy, such as flow meters, valves, etc. According to the requirements of equipment maintenance, it is often necessary to inspect and maintain flow meters and valve equipment, but it is impossible to carry and disassemble by manpower alone. Although there are various sizes of gantries on the market, ordinary gantries cannot smoothly enter and exit the complex and messy process pipelines of fireproof and explosion-proof oil depots.

[0003] The prior art discloses a disassembled hand-pushed gantry, comprising two walking wheel supports, a universal walking wheel and a fixed walking wheel are connected below each walking wheel support, at least two columns are connected above each walking wheel support, the axes of the columns above each walking wheel support are on the same straight line, flanges are connected between adjacent two columns, the uppermost two columns are respectively hingedly connected with cross beams, the two cross beams are oppositely arranged, lugs are connected below each cross beam, and the two cross beams are connected through a cross beam connecting plate and a pin shaft. In the scheme, the cross beam connecting plate is inserted into the two cross beams, and the cross beam connecting plate and the cross beam are connected through the pin shaft to fix the two cross beams, so that the disassembly and assembly efficiency is low. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the low disassembly and assembly efficiency of the gantry in the prior art, and provides an assembled gantry, which can quickly complete disassembly and assembly and improve the disassembly and assembly efficiency.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] Provided is an assembled gantry, comprising a first cross beam, a second cross beam and two walking wheel supports, one end of the first cross beam is connected with one end of the second cross beam in a mortise and tenon joint, the other end of the first cross beam and the other end of the second cross beam are respectively hingedly connected with the top portions of the two walking wheel supports, and the first cross beam and the second cross beam are respectively provided with lugs.

[0007] The utility model discloses an assembled gantry, for responding to the complex process pipeline of fireproof and explosion-proof oil depot, the one end of first crossbeam is connected with the one end of second crossbeam mortise and tenon, and the top of two walking wheel supports is hinged the other end of first crossbeam and the other end of second crossbeam respectively, when needing operation, rotates first crossbeam and second crossbeam, makes first crossbeam and second crossbeam lift, and through the mortise and tenon connection of first crossbeam and second crossbeam, directly fixes first crossbeam and second crossbeam, completes the quick assembly of gantry, improves the dismounting efficiency, and through the lifting lug, the equipment can be hoisted normally, after operation, first crossbeam and second crossbeam can be quickly disassembled, and first crossbeam and second crossbeam are put down, and two walking wheel supports can be pushed respectively to adapt to the complex field, and the portability is improved.

[0008] Further, one end of the first crossbeam is provided with a mortise, one end of the second crossbeam is provided with a tenon, and the tenon is embedded in the mortise. When assembling, lift the first crossbeam and the second crossbeam, embed the tenon in the mortise, and the first crossbeam and the second crossbeam can be connected and fixed.

[0009] Further, the mortise is a dovetail groove, and the tenon is a dovetail tenon, and the dovetail tenon is embedded in the dovetail groove. The dovetail groove can effectively limit and lock the dovetail tenon, preventing the dovetail tenon from coming out of the dovetail groove.

[0010] Further, it further includes a positioning plate, both sides of the mortise are respectively provided with openings, the positioning plate is fixedly arranged on one side of one end of the first crossbeam, and the positioning plate at least partially covers the opening on one side of the mortise. The tenon is inserted into the mortise from the opening on the other side of the mortise, and when the mortise contacts the positioning plate, it indicates that the tenon is installed in place.

[0011] Further, it further includes a limiting plate, the limiting plate is detachably connected to the other side of one end of the first crossbeam, and the limiting plate at least partially covers the opening on the other side of the mortise. The limiting plate cooperates with the positioning plate to prevent the tenon from sliding out of the openings on both sides of the mortise, further increasing the stability of the connection between the first crossbeam and the second crossbeam.

[0012] Further, one end of the first crossbeam is provided with a first through hole and a second through hole, the bottom of the positioning plate is provided with a U-shaped groove, one end of a first connecting piece is fixedly arranged in the first through hole through the U-shaped groove, the other end of the first connecting piece clamps the positioning plate in cooperation with the outer wall of the first crossbeam; the top of the positioning plate is provided with a first connecting hole, the top of the limiting plate is provided with a second connecting hole, and a second connecting piece is sequentially arranged in the first connecting hole, the second through hole and the second connecting hole to connect and fix the positioning plate, the first crossbeam and the limiting plate.

[0013] Further, two support rods are further included, one end of one of the support rods is movably connected to the first cross beam and one of the walking wheel supports respectively, and one end of the other of the support rods is movably connected to the second cross beam and the other of the walking wheel supports respectively. The first cross beam and the second cross beam are supported by the support rods respectively, so that the first cross beam and the second cross beam are conveniently connected, and the stability of the gantry is further increased. In addition, when the first cross beam and the second cross beam are disassembled to move the walking wheel supports, the connection between the support rods and the walking wheel supports can be released, or the connection between the support rods and the first cross beam or the second cross beam can be released. After the mortise and tenon connection between the first cross beam and the second cross beam is released, the second cross beam, the second cross beam and the support rods can naturally sag, so that the volume of the gantry is reduced, and the complex site is adapted.

[0014] Further, each of the walking wheel supports includes a support base, a stand and at least two walking wheels, the walking wheels are installed at the bottom of the support base, one end of the stand is connected to the support base, and the other ends of the two stands are respectively hinged to the other end of the first cross beam and the other end of the second cross beam.

[0015] Further, the support base is provided with a first locking hole, the stand is provided with a plurality of second locking holes corresponding to the first locking hole, the support base is provided with a sliding groove, one end of the stand is slidably sleeved in the sliding groove, and a third connecting piece is arranged in the first locking hole and the second locking hole to fix the stand and the support base.

[0016] Further, a lifting mechanism is further included, the lifting mechanism includes a gear, a rack, a rotating shaft and a handle, the rack is fixedly arranged on the outer wall of the stand, the gear and the handle are fixedly connected to the rotating shaft, the rotating shaft is rotatably arranged on the support base, and the gear is engaged with the rack. When the height of the gantry needs to be adjusted, the handle is rotated to drive the rotating shaft and the gear on the rotating shaft to rotate, the gear is engaged with the rack to drive the rack and the stand to move up and down, so that the height of the stand and the first cross beam or the second cross beam connected to the stand is adjusted. After the height is adjusted to the required height, the third connecting piece is inserted into the first locking hole and the corresponding second locking hole to fix the stand after the height is adjusted.

[0017] Compared with the prior art, the utility model discloses the following beneficial effects:

[0018] The first cross beam and the second cross beam are directly fixed through the mortise and tenon connection of the first cross beam and the second cross beam, so that the gantry can be quickly assembled, and the disassembly efficiency is improved. After the operation is completed, the first cross beam and the second cross beam can be quickly disassembled, the first cross beam and the second cross beam are put down, and the two walking wheel supports are pushed out of the complex site respectively, so that the portability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Figure 1 is a structural schematic view of an assembled gantry according to an embodiment of the present application;

[0020] Figure 2 Figure 2 is a structural schematic view of a first cross beam according to an embodiment of the present application;

[0021] Figure 3 Figure 3 is a structural schematic view of a second cross beam according to an embodiment of the present application;

[0022] Figure 4 Figure 4 is a structural schematic view of a support base according to an embodiment of the present application;

[0023] Figure 5 Figure 5 is an installation schematic view of a lifting mechanism according to an embodiment of the present application.

[0024] In the drawings: 1 - first cross beam; 11 - mortise and tenon joint; 2 - second cross beam; 21 - tenon; 3 - walking wheel support; 31 - support base; 311 - first locking hole; 312 - sliding slot; 313 - clearance groove; 32 - stand column; 321 - second locking hole; 33 - walking wheel; 34 - handle; 35 - rotating shaft; 36 - gear; 37 - rack; 4 - rotating living hinge; 5 - support rod; 6 - positioning plate; 61 - U-shaped groove; 7 - limiting plate; 8 - first connecting piece; 9 - second connecting piece. DETAILED DESCRIPTION

[0025] The present application will be further described below in conjunction with specific embodiments. In the drawings, only exemplary illustrations are shown, and the representations are only schematic diagrams, not physical drawings, and should not be understood as limiting the present patent; in order to better illustrate the embodiments of the present application, some components in the drawings are omitted, enlarged or reduced, and do not represent the actual product size; for those skilled in the art, it is understandable that some well-known structures in the drawings and their descriptions can be omitted.

[0026] In the drawings of the embodiments of the present application, the same or similar reference numerals correspond to the same or similar components; in the description of the present application, it should be understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, only for the convenience of describing the present application and simplifying the description, and therefore the positional relationship terms in the drawings are only used for exemplary illustration, and should not be understood as limiting the present patent; for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0027] Embodiment one

[0028] This embodiment is the first embodiment of the assembled gantry, as shown in Figure 1As shown, it comprises a first crossbeam 1, a second crossbeam 2 and two walking wheel supports 3, one end of the first crossbeam 1 is connected with one end of the second crossbeam 2 through mortise and tenon joint, the top of the two walking wheel supports 3 is respectively hinged with the other end of the first crossbeam 1 and the other end of the second crossbeam 2, and the first crossbeam 1 and the second crossbeam 2 are respectively provided with lifting lugs.

[0029] The above-mentioned assembled gantry is used for dealing with the complex process pipelines in the fireproof and explosion-proof oil depot, one end of the first crossbeam 1 is connected with one end of the second crossbeam 2 through mortise and tenon joint, and the top of the two walking wheel supports 3 is respectively hinged with the other end of the first crossbeam 1 and the other end of the second crossbeam 2, when operation is needed, the first crossbeam 1 and the second crossbeam 2 are rotated to be lifted up, and the first crossbeam 1 and the second crossbeam 2 are directly fixed through the mortise and tenon joint of the first crossbeam 1 and the second crossbeam 2, so that the rapid assembly of the gantry is completed, the disassembly efficiency is improved, and the equipment can be normally lifted through the lifting lugs; after the operation is completed, the first crossbeam 1 and the second crossbeam 2 can be quickly disassembled, the first crossbeam 1 and the second crossbeam 2 are put down, and the two walking wheel supports 3 can be respectively pushed to adapt to the complex site, so that the portability is improved.

[0030] As shown in Figure 2 , Figure 3 , one end of the first crossbeam 1 is provided with a mortise 11, one end of the second crossbeam 2 is provided with a tenon 21, and the tenon 21 is embedded in the mortise 11; when assembled, the first crossbeam 1 and the second crossbeam 2 are lifted up, the tenon 21 is embedded in the mortise 11, and then the first crossbeam 1 and the second crossbeam 2 can be connected and fixed.

[0031] As shown in Figure 3 , the mortise 11 is a dovetail groove, and the tenon 21 is a dovetail tenon, and the dovetail tenon is embedded in the dovetail groove; in implementation, the dovetail groove can effectively limit and lock the dovetail tenon to prevent the dovetail tenon from being pulled out of the dovetail groove.

[0032] As shown in Figures 1 to 3 , the top of the walking wheel support 3 is hinged with the first crossbeam 1 or the second crossbeam 2 through a rotary joint 4, specifically, one end of the rotary joint 4 is fixedly connected with the walking wheel support 3, the other end of the rotary joint 4 is hinged with the first crossbeam 1 or the second crossbeam 2, and the rotary joint 4 is further provided with a connecting hole, when the first crossbeam 1 and the second crossbeam 2 are in a horizontal state, the first crossbeam 1 and / or the second crossbeam 2 can be further fixed through the connecting hole.

[0033] As shown in Figures 1 to 3As shown, the gantry frame further comprises two support rods 5, one end of one support rod 5 is movably connected to the first cross beam 1 and the other end of the support rod 5 is movably connected to one of the walking wheel supports 3, and one end of the other support rod 5 is movably connected to the second cross beam 2 and the other end of the support rod 5 is movably connected to the other walking wheel support 3. When assembling, the first cross beam 1 and the second cross beam 2 are lifted, and the first cross beam 1 and the second cross beam 2 are supported by the support rods 5, which can facilitate the connection of the first cross beam 1 and the second cross beam 2, and can further increase the stability of the gantry frame. In addition, when disassembling the first cross beam 1 and the second cross beam 2 to move the walking wheel support 3, the connection between the support rod 5 and the walking wheel support 3 can be released, or the connection between the support rod 5 and the first cross beam 1 or the second cross beam 2 can be released. After the mortise and tenon connection between the first cross beam 1 and the second cross beam 2 is released, the second cross beam 2, the second cross beam 2 and the support rod 5 can naturally sag, reducing the volume of the gantry frame to adapt to complex sites.

[0034] Embodiment two

[0035] This embodiment is similar to embodiment one, except that Figure 2 As shown, the gantry frame further comprises a positioning plate 6, the two sides of the mortise 11 are respectively provided with openings, and the positioning plate 6 is fixedly arranged on one side of one end of the first cross beam 1 and at least partially covers the opening on one side of the mortise 11. When assembling, since the opening on one side of the mortise 11 covers the positioning plate 6, the tenon 21 is inserted into the mortise 11 from the opening on the other side of the mortise 11, and when the mortise 11 contacts the positioning plate 6, it indicates that the tenon 21 is installed in place.

[0036] As shown in Figure 1 , Figure 2 As shown, the gantry frame further comprises a limiting plate 7, the limiting plate 7 is detachably connected to the other side of one end of the first cross beam 1, and the limiting plate 7 at least partially covers the opening on the other side of the mortise 11. After the tenon 21 is inserted into the mortise 11 and installed in place, the limiting plate 7 is connected to the other side of one end of the first cross beam 1, which can block the tenon 21, and the limiting plate 7 cooperates with the positioning plate 6 to prevent the tenon 21 from sliding out of the openings on both sides of the mortise 11, further increasing the stability of the connection between the first cross beam 1 and the second cross beam 2.

[0037] As shown in Figure 2As shown, one end of the first cross beam 1 is provided with a first through hole and a second through hole, the bottom of the positioning plate 6 is provided with a U-shaped groove 61, one end of the first connecting piece 8 is fixedly arranged in the first through hole through the U-shaped groove 61, and the other end of the first connecting piece 8 is clamped with the outer wall of the first cross beam 1 to fix the positioning plate 6; the top of the positioning plate 6 is provided with a first connecting hole, the top of the limiting plate 7 is provided with a second connecting hole, and the second connecting piece 9 is sequentially arranged in the first connecting hole, the second through hole and the second connecting hole to connect and fix the positioning plate 6, the first cross beam 1 and the limiting plate 7. In implementation, the first connecting piece 8 fixes the positioning plate 6 in cooperation with the first cross beam 1, the second connecting piece 9 is arranged in the first connecting hole and the second through hole, the tenon 21 is inserted into the mortise 11 and installed in place, and then the limiting plate 7 is installed, so that the second connecting piece 9 is arranged in the second connecting hole, and the limiting plate 7 is fixed. At this time, the positioning plate 6 and the limiting plate 7 are respectively located on both sides of the mortise 11, the displacement of the tenon 21 is limited, and the stability of the mortise and tenon connection of the first cross beam 1 and the second cross beam 2 is further improved.

[0038] Embodiment three

[0039] This embodiment is similar to embodiment two, and the difference is that, as shown in Figures 1 to 5 , each walking wheel support 3 comprises a supporting base 31, a stand column 32 and at least two walking wheels 33, the walking wheels 33 are installed at the bottom of the supporting base 31, one end of the stand column 32 is connected with the supporting base 31, and the other ends of the two stand columns 32 are respectively hinged with the other end of the first cross beam 1 and the other end of the second cross beam 2. In implementation, the gantry is stably supported by the supporting base 31, the movement of the gantry is facilitated by the walking wheels 33, and the height of the first cross beam 1 and the second cross beam 2 can be raised by the stand column 32 to meet the needs of lifting operation.

[0040] As shown in Figures 1 to 5 , the supporting base 31 is provided with a first locking hole 311, the stand column 32 is provided with a plurality of second locking holes 321 corresponding to the first locking hole 311, the supporting base 31 is provided with a sliding groove 312, one end of the stand column 32 is slidingly sleeved in the sliding groove 312, and the third connecting piece is arranged in the first locking hole 311 and the second locking hole 321 to fix the stand column 32 and the supporting base 31. In implementation, the height of the gantry can be adjusted by sliding the stand column 32 and raising and lowering the stand column 32 along the sliding groove 312, and when the adjustment is completed, the stand column 32 and the supporting base 31 can be locked by the third connecting piece.

[0041] Further comprising a lifting mechanism, as shown in Figure 1 , Figure 4 and Figure 5As shown, the lifting mechanism comprises a gear 36, a rack 37, a rotating shaft 35 and a handle 34, the rack 37 is fixedly arranged on the outer wall of the column 32, the gear 36 and the handle 34 are fixedly connected to the rotating shaft 35, the rotating shaft 35 is rotatably installed on the support base 31, and the gear 36 is engaged with the rack 37. Specifically, the chute 312 is communicated with an avoidance groove 313, and one end of the rack 37 slides in the avoidance groove 313. When it is necessary to adjust the height of the gantry, the handle 34 is rotated to drive the rotating shaft 35 and the gear 36 thereon to rotate, the gear 36 is engaged with the rack 37 to drive the rack 37 and the column 32 to move up and down, thereby achieving the height adjustment of the column 32 and the first cross beam 1 or the second cross beam 2 connected with the column 32, and after the column 32 is adjusted to the required height, the third connecting piece is inserted into the first locking hole 311 and the corresponding second locking hole 321 to fix the column 32 after the height adjustment.

[0042] In the specific contents of the above specific embodiments, each technical feature can be combined arbitrarily without contradiction, and in order to make the description simple, all possible combinations of the above technical features are not described, however, as long as the combination of the technical features does not exist contradiction, it should be considered as the scope of the present application.

[0043] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An assembled gantry, characterized by, The utility model provides a kind of walking wheel support, including first crossbeam (1), second crossbeam (2) and two walking wheel supports (3), one end of the first crossbeam (1) is dovetail joint with one end of the second crossbeam (2), the top of two walking wheel supports (3) is respectively hinged the other end of the first crossbeam (1) and the other end of the second crossbeam (2), the first crossbeam (1) and the second crossbeam (2) are respectively provided with lifting lug.

2. The assembled gantry of claim 1, wherein, One end of the first crossbeam (1) is provided with mortise (11), one end of the second crossbeam (2) is provided with tenon (21), and the tenon (21) is embedded in the mortise (11).

3. The assembled gantry of claim 2, wherein, The mortise (11) is a dovetail slot, the tenon (21) is a dovetail tenon, and the dovetail tenon is embedded in the dovetail slot.

4. The assembled gantry of claim 2, wherein, Further comprising a positioning plate (6), both sides of the mortise (11) are respectively provided with an opening, the positioning plate (6) is fixedly arranged on one side of one end of the first crossbeam (1), and the positioning plate (6) at least partially covers the opening on one side of the mortise (11).

5. The assembled gantry of claim 4, wherein, Further comprising a limiting plate (7), the limiting plate (7) is detachably connected to the other side of one end of the first crossbeam (1), and the limiting plate (7) at least partially covers the opening on the other side of the mortise (11).

6. The assembled gantry of claim 5, wherein, One end of the first crossbeam (1) is provided with a first through hole and a second through hole, the bottom of the positioning plate (6) is provided with a U-shaped groove (61), one end of a first connecting piece (8) is fixedly arranged in the first through hole through the U-shaped groove (61), and the other end of the first connecting piece (8) clamps the positioning plate (6) in cooperation with the outer wall of the first crossbeam (1); the top of the positioning plate (6) is provided with a first connecting hole, the top of the limiting plate (7) is provided with a second connecting hole, and a second connecting piece (9) is sequentially arranged in the first connecting hole, the second through hole and the second connecting hole to connect and fix the positioning plate (6), the first crossbeam (1) and the limiting plate (7).

7. The assembled gantry of claim 1, wherein, Further comprising two support rods (5), both ends of one of the support rods (5) are movably connected to the first crossbeam (1) and one of the walking wheel supports (3); both ends of the other support rod (5) are movably connected to the second crossbeam (2) and the other walking wheel support (3).

8. The assembled portal frame according to any one of claims 1 to 7, wherein, Each of the walking wheel supports (3) comprises a support base (31), a stand (32) and at least two walking wheels (33), the walking wheels (33) are installed at the bottom of the support base (31), one end of the stand (32) is connected to the support base (31), and the other ends of the two stands (32) are respectively hinged to the other end of the first crossbeam (1) and the other end of the second crossbeam (2).

9. The assembled gantry of claim 8, wherein, The support base (31) is provided with a first locking hole (311), the stand (32) is provided with a plurality of second locking holes (321) corresponding to the first locking hole (311), the support base (31) is provided with a sliding groove (312), one end of the stand (32) is slidingly sleeved in the sliding groove (312), and a third connecting piece is penetratingly arranged in the first locking hole (311) and the second locking hole (321) to fix the stand (32) and the support base (31).

10. The assembled gantry of claim 9, wherein, Further comprising a lifting mechanism, the lifting mechanism comprises a gear (36), a rack (37), a rotating shaft (35) and a handle (34), the rack (37) is fixedly arranged on the outer wall of the stand (32), the gear (36) and the handle (34) are fixedly connected to the rotating shaft (35), the rotating shaft (35) is rotatably installed on the support base (31), and the gear (36) is engaged with the rack (37).

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