Pneumatic bridge crane

Abstract

The utility model provides a pneumatic bridge crane which comprises a top track, a bottom track, a bridge frame and a pneumatic hoist arranged on the bridge frame, and the pneumatic hoist is connected with a lifting appliance. The bottom rail corresponds to the top rail in position, the upper side of the bridge is in sliding fit with the top rail, the lower side of the bridge is in sliding fit with the bottom rail, the bridge comprises a cross beam and supporting legs arranged at the two ends of the cross beam respectively, upper sliding seats are arranged at the upper ends of the supporting legs corresponding to the top rail, and lower sliding seats are arranged at the lower ends of the supporting legs. The pneumatic bridge crane is simple in structure, reasonable in design, stable in operation and capable of fully meeting the requirement for hoisting heavy objects in a plant.

Description

Technical Field

[0001] The utility model relates to a lifting device, in particular to a pneumatic bridge crane. Background Art

[0002] A crane is a multi-action lifting machine capable of vertically lifting and horizontally transporting heavy objects within a certain range. It is also known as an overhead crane, overhead crane, or overhead crane. Cranes primarily consist of a lifting mechanism and a load connection structure. Depending on the crane's power source, cranes can be categorized as winch cranes or pneumatic cranes. Currently, there are numerous types of pneumatic lifting equipment on the market, such as the pneumatic lifting equipment disclosed in Chinese Patent CN221070729U and Chinese Patent CN108910762A. However, these pneumatic lifting equipment are significantly inferior to conventional drum bridge cranes in terms of functionality, resulting in a very limited range of applications.

[0003] In order to solve the above problems, people have been seeking an ideal technical solution. Utility Model Content

[0004] The purpose of the utility model is to provide a pneumatic bridge crane in view of the deficiencies in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A pneumatic bridge crane includes a top rail, a bottom rail, a bridge and a pneumatic hoist arranged on the bridge, and the pneumatic hoist is connected to a sling; the bottom rail and the top rail are positioned correspondingly, the upper side of the bridge slides with the top rail, and the lower side of the bridge slides with the bottom rail, the bridge includes a crossbeam and support legs respectively arranged at both ends of the crossbeam, the upper ends of the support legs are provided with upper sliding seats corresponding to the top rail, and the lower ends of the support legs are provided with lower sliding seats.

[0007] The supporting legs include a main column, an upper supporting column is arranged on the outer side of the upper end of the main column, and a lower supporting seat is arranged on the inner side of the lower end of the main column. The upper supporting seat, the main column and the lower supporting seat form an N-shaped structure.

[0008] The upper ends of the two main columns are connected by a cross beam, and a lower end beam is provided at the lower end of the main columns. Travel wheels are installed on the lower end beam, and at least one set of travel wheels is connected to the drive motor; an upper sliding seat is installed at the upper end of the upper support column, and a lower sliding seat is installed at the lower end of the lower support seat. Upper guide wheels are provided on the side of the upper sliding seat, and lower guide wheels are provided on the side of the lower sliding seat.

[0009] The bottom track includes two groups of mutually perpendicular I-beams, the first linear rail is set on the top surface of the forward-set I-beam, the second linear rail is set on the side of the laterally-set I-beam, the walking wheel cooperates with the first linear rail, and the lower guide wheel cooperates with the second linear rail; the top track includes the laterally-set I-beam, the third linear rail is set on the side of the I-beam, and the upper guide wheel cooperates with the third linear rail.

[0010] The lower sliding seat, the upper sliding seat and the lower end beam all include a rectangular steel, the side wall of the rectangular steel is provided with an installation opening, the upper guide wheel, the lower guide wheel and the walking wheel are respectively installed in the installation opening and are rotatably connected to the side wall of the rectangular steel.

[0011] The crossbeam includes an I-beam, the trolley wheels on the upper side of the pneumatic hoist match the lower wing plate of the I-beam, and buffer mechanisms are respectively provided at both ends of the web of the I-beam corresponding to the pneumatic hoist.

[0012] Compared to existing technologies, the present invention offers the following advantages: a pneumatic bridge crane with a simple structure, rational design, and stable operation, fully meeting the needs of lifting heavy objects within a factory building. Specifically, during use, the sling is connected to the heavy object to facilitate lifting, the pneumatic hoist can move along the bridge, the upper sliding seat of the support leg can move along the top track, and the lower sliding seat of the support leg can move along the bottom track. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model (1).

[0014] Figure 2 This is a structural diagram of the utility model (II).

[0015] Figure 3 It is a structural diagram (three) of the present utility model.

[0016] In the figure: 1. Top track; 2. Bottom track; 3. Bridge; 301. Crossbeam; 302. Support leg; 303. Lower end beam; 304. Lower sliding seat; 305. Upper sliding seat; 4. Pneumatic hoist; 5. First linear rail; 6. Second linear rail; 7. Third linear rail; 8. Buffer mechanism. DETAILED DESCRIPTION

[0017] The technical solution of the present utility model is further described in detail below through specific implementation methods.

[0018] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. "Installed", "provided with", "connected", etc. can adopt conventional means in the prior art, such as: integral setting, snap-on installation, welding connection, adhesive connection, bolt connection, etc. For ordinary technicians in this field, they can understand the specific meanings of the above terms in this utility model according to specific circumstances and select appropriate connection, setting or installation methods in the prior art.

[0019] like Figure 1-3 As shown, a pneumatic bridge crane includes a top rail 1, a bottom rail 2, a bridge 3, and a pneumatic hoist 4 mounted on the bridge 3, with the pneumatic hoist 4 connected to a sling. The bottom rail 2 and the top rail 1 are positioned correspondingly, the upper side of the bridge 3 slides with the top rail 1, and the lower side of the bridge 3 slides with the bottom rail 2. The bridge 3 includes a crossbeam 301 and support legs 302 respectively disposed at both ends of the crossbeam 301. The upper ends of the support legs 302 are provided with upper sliding seats 305 corresponding to the top rail 1, and the lower ends of the support legs 302 are provided with lower sliding seats 304. Specifically, the top rail can be fixed to the roof of a factory building or other support; the pneumatic hoist can adopt a common pneumatic hoist product in the prior art.

[0020] This pneumatic bridge crane boasts a simple structure, rational design, and stable operation, fully meeting the heavy lifting needs within factories. Specifically, during use, the sling is connected to the load for easy lifting, the pneumatic hoist moves along the bridge, the upper sliding seat of the support leg moves along the top track, and the lower sliding seat of the support leg moves along the bottom track.

[0021] In one embodiment, the support leg 302 includes a main column, an upper support column is provided on the outer side of the upper end of the main column, and a lower support seat is provided on the inner side of the lower end of the main column. The upper support seat, the main column and the lower support seat form an N-shaped structure, which is convenient for installing walking wheels and sliding seats.

[0022] In one embodiment, the upper ends of the two main columns are connected by a crossbeam 301, and a lower end beam 303 is provided at the lower end of the main column. Travel wheels are installed on the lower end beam 303, and at least one set of travel wheels is connected to the drive motor; an upper sliding seat 305 is installed at the upper end of the upper support column, and a lower sliding seat 304 is installed at the lower end of the lower support seat. Upper guide wheels are provided on the side of the upper sliding seat 305, and lower guide wheels are provided on the side of the lower sliding seat 304. The upper and lower sets of guide mechanisms fully ensure the stability of the structure.

[0023] In one embodiment, the bottom track 2 comprises two sets of mutually perpendicular I-beams, with a first linear rail 5 disposed on the top surface of the forward-facing I-beam and a second linear rail 6 disposed on the side of the lateral I-beam. The running wheels engage with the first linear rail 5, and the lower guide wheels engage with the second linear rail 6. The top track 1 comprises a lateral I-beam, with a third linear rail 7 disposed on the side of the I-beam and the upper guide wheels engage with the third linear rail 7. Specifically, the linear rails can be common linear rail products in the prior art.

[0024] In one embodiment, the lower sliding seat 304, the upper sliding seat 305 and the lower end beam 303 all include a rectangular steel, and the side wall of the rectangular steel is provided with an installation opening. The upper guide wheel, the lower guide wheel and the walking wheel are respectively installed in the installation opening and are rotatably connected to the side wall of the rectangular steel.

[0025] In one embodiment, the crossbeam 301 comprises an I-beam, the trolley wheels on the upper side of the pneumatic hoist 4 engage with the lower wing of the I-beam, and buffer mechanisms 8 are provided at both ends of the web of the I-beam, corresponding to the pneumatic hoist 4. Specifically, the buffer mechanism can employ a common buffer structure, such as a mounting plate and a flexible block fixed to the mounting plate, wherein the mounting plate is fixedly connected to the web of the I-beam.

[0026] The above embodiments can be combined with each other.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and not to limit it; although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solution of the utility model, they should all be included in the scope of the technical solution for protection of the utility model.

Claims

1. A pneumatic bridge crane, characterized in that: It includes a top rail, a bottom rail, a bridge and a pneumatic hoist arranged on the bridge, and the pneumatic hoist is connected to a sling; the bottom rail and the top rail are positioned correspondingly, the upper side of the bridge slides with the top rail, and the lower side of the bridge slides with the bottom rail. The bridge includes a crossbeam and support legs respectively arranged at both ends of the crossbeam, the upper end of the support leg is provided with an upper sliding seat corresponding to the top rail, and the lower end of the support leg is provided with a lower sliding seat.

2. The pneumatic bridge crane according to claim 1, characterized in that: The supporting legs include a main column, an upper supporting column is arranged on the outer side of the upper end of the main column, and a lower supporting seat is arranged on the inner side of the lower end of the main column. The upper supporting seat, the main column and the lower supporting seat form an N-shaped structure.

3. The pneumatic bridge crane according to claim 2, characterized in that: The upper ends of the two main columns are connected by a cross beam, and a lower end beam is provided at the lower end of the main columns. Travel wheels are installed on the lower end beam, and at least one set of travel wheels is connected to the drive motor; an upper sliding seat is installed at the upper end of the upper support column, and a lower sliding seat is installed at the lower end of the lower support seat. Upper guide wheels are provided on the side of the upper sliding seat, and lower guide wheels are provided on the side of the lower sliding seat.

4. The pneumatic bridge crane according to claim 3, characterized in that: The bottom track includes two groups of mutually perpendicular I-beams, the first linear rail is set on the top surface of the forward-set I-beam, the second linear rail is set on the side of the laterally-set I-beam, the walking wheel cooperates with the first linear rail, and the lower guide wheel cooperates with the second linear rail; the top track includes the laterally-set I-beam, the third linear rail is set on the side of the I-beam, and the upper guide wheel cooperates with the third linear rail.

5. The pneumatic bridge crane according to claim 4, characterized in that: The lower sliding seat, the upper sliding seat and the lower end beam all include a rectangular steel, the side wall of the rectangular steel is provided with an installation opening, the upper guide wheel, the lower guide wheel and the walking wheel are respectively installed in the installation opening and are rotatably connected to the side wall of the rectangular steel.

6. The pneumatic bridge crane according to claim 5, characterized in that: The crossbeam includes an I-beam, the trolley wheels on the upper side of the pneumatic hoist match the lower wing plate of the I-beam, and buffer mechanisms are respectively provided at both ends of the web of the I-beam corresponding to the pneumatic hoist.

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