Stabilizing frame for electric single-beam crane

Abstract

The utility model relates to the technical field of hoisting equipment, and particularly discloses a stabilizing frame for an electric single-beam crane, which comprises a walking trolley, a steel wire rope, a lifting hook and a winding component, and a frame-shaped telescopic mechanism comprises top groove bodies fixed at the bottom of the walking trolley in parallel in pairs and shear fork type connecting rod mechanisms arranged in pairs, the front rod body end part of the top end of the scissor-type connecting rod mechanism is hinged to the front end of the inner side wall of the top groove body, and the rear rod body end part of the top end of the scissor-type connecting rod mechanism is slidably clamped to the rear part of the inner cavity of the top groove body; the lifting plate frame comprises a bottom plate and bottom groove bodies fixed to the two sides of the top face of the bottom plate, the end of a front rod body at the bottom end of the shear-fork type connecting rod mechanism is hinged to the front end of the inner side wall of each bottom groove body, and the end of a rear rod body at the bottom end of the shear-fork type connecting rod mechanism is slidably clamped to the rear portion of an inner cavity of each bottom groove body. The free end of the steel wire rope is connected to the top surface of the bottom plate; and the problem that the single-beam crane is inconvenient to stably lift a heavy object is well solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a stabilizing frame for an electric single-beam crane. Background Art

[0002] Single-beam crane usually refers to single-beam bridge crane, which is a lifting equipment that is horizontally mounted above workshops, warehouses and material yards to lift materials. Its two ends are located on tall concrete columns or metal brackets, shaped like a bridge. The bridge of the single-beam crane is equipped with end beams at both ends, and the end beams are equipped with motor-driven rollers. The rollers run longitudinally along the tracks laid on the elevated platforms on both sides. The lifting trolley running horizontally along the bridge can make full use of the space under the bridge to lift materials without being hindered by ground equipment. It is the most widely used and largest type of lifting machinery.

[0003] At present, the lifting trolley is equipped with a moving mechanism and a wire rope lifting mechanism. The bottom end of the wire rope is used to lift the heavy object through a hook assembly. However, the wire rope is flexible, and the heavy object may swing violently during the lifting process, which poses a safety hazard. Utility Model Content

[0004] The utility model aims to provide a stabilizer frame for an electric single-beam crane, which is used to solve the problem that the single-beam crane in the prior art is not convenient for smoothly lifting and lowering heavy objects.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stabilizer frame for an electric single-beam crane, comprising a traveling trolley that moves laterally along the bridge frame, a wire rope, a hook, and a winding assembly arranged on the traveling trolley and used for reeling and unreeling the wire rope, the frame-type telescopic mechanism comprising a pair of top troughs fixed in parallel to the bottom of the traveling trolley and a pair of scissor-type connecting rod mechanisms, the top front rod end of the scissor-type connecting rod mechanism being hinged to the front end of the inner side wall of the top trough body, and the top rear rod end of the scissor-type connecting rod mechanism being slidably engaged with the rear part of the inner cavity of the top trough body; the lifting plate frame comprises a bottom plate and a bottom trough body fixed on both sides of the top surface of the bottom plate, the bottom front rod end of the scissor-type connecting rod mechanism being hinged to the front end of the inner side wall of the bottom trough body, and the bottom rear rod end of the scissor-type connecting rod mechanism being slidably engaged with the rear part of the inner cavity of the bottom trough body; the free end of the wire rope is connected to the top surface of the bottom plate, and the hook is installed on the bottom surface of the bottom plate.

[0006] Preferably, the traveling trolley includes a pair of parallel grooved shells, connecting beams whose two ends are respectively fixedly connected to the top surfaces of the grooved shells, a plurality of traveling wheels rotatably installed in the inner cavity of the grooved shells, and a driving device arranged on the outside of the grooved shells and used to drive the traveling wheels to rotate, the top of the top groove body is fixed to the inner side wall of the grooved shell, and the winding assembly is laterally fixed to the top surface of the grooved shell.

[0007] Preferably, the frame-type telescopic mechanism further comprises a connecting rod, and two ends of the connecting rod are rotatably sleeved corresponding to the ends of the rod bodies of the scissor-type connecting rod mechanism on both sides.

[0008] Preferably, the rear part of the two side walls of the top trough body is provided with a top slide groove along its axial direction, and the two ends of the shaft body at the rear end of the rod body at the top end of the scissors-type linkage mechanism are respectively slidably engaged in the top slide groove, and the rear part of the two side walls of the bottom trough body is provided with a bottom slide groove along its axial direction, and the two ends of the shaft body at the rear end of the rod body at the bottom end of the scissors-type linkage mechanism are respectively slidably engaged in the bottom slide groove.

[0009] Preferably, a support is fixed at the center of the top surface of the base plate, and groove wheels 1 are rotatably connected to both sides of the top of the support. Connecting rings and connecting blocks are respectively fixed to the connecting beams on the front and rear sides of the winding assembly, and the connecting blocks are connected to a guide mechanism. The guiding mechanism includes groove wheel 2, and the free end of the wire rope is fixed to the connecting ring after passing through groove wheel 1, groove wheel 2 and groove wheel 1 on one side of the support and the other side of the support in sequence.

[0010] Preferably, support plates are fixed to the top surface of the bottom plate at positions corresponding to the outer side of the groove wheel.

[0011] Preferably, the guide mechanism further comprises a column whose top end is sleeved on the connecting block and a slot whose middle part of the top surface is fixed to the bottom end of the column, and the groove wheel 2 is rotatably installed in the slot.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model relates to an electric single-beam crane which directly lifts a lifting plate frame with a steel wire rope in a stabilizing frame, and the lifting of the lifting plate frame is limited by a scissor-type connecting rod mechanism, and a hook is fixed on the bottom surface of the lifting plate frame, thereby ensuring that heavy objects can be lifted and lowered steadily. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a three-dimensional structural diagram of the walking trolley of the utility model;

[0016] Figure 3It is a three-dimensional structural schematic diagram of the frame-type telescopic mechanism of the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the lifting plate frame of the utility model;

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the guide mechanism of the utility model.

[0019] In the figure: 1-traveling trolley; 1.1-groove housing; 1.2-connecting beam; 1.3-traveling wheel; 1.4-driving device; 1.5-connecting block; 1.6-connecting ring;

[0020] 2- Winding assembly;

[0021] 3-Wire rope;

[0022] 4-Hook;

[0023] 5-frame telescopic mechanism; 5.1-top trough; 5.1.1-top slide; 5.2-scissor-type connecting rod structure; 5.3-connecting rod;

[0024] 6-lifting plate frame; 6.1-bottom plate; 6.2-bottom tank body; 6.2.1-bottom slide; 6.3-support; 6.4-groove wheel 1; 6.5-support plate;

[0025] 7-guiding mechanism; 7.1-column; 7.2-slot; 7.3-groove wheel 2. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5The utility model provides a technical solution, a stabilizer frame for an electric single-beam crane, comprising a trolley 1 that moves laterally along the bridge, a wire rope 3, a hook 4, and a winding assembly 2 arranged on the trolley 1 and used to reel and unwind the wire rope 3. The trolley 1 comprises a pair of parallel grooved shells 1.1, a connecting beam 1.2 fixedly connected to the top surface of the grooved shell 1.1 at both ends, a plurality of running wheels 1.3 rotatably mounted on the inner cavity of the grooved shell 1.1, a driving device 1.4 arranged on the outer side of the grooved shell 1.1 and used to drive the running wheels 1.3 to rotate, the top of the top groove body 5.1 is fixed to the inner wall of the grooved shell 1.1, and the winding assembly 2 is fixed to the top surface of the grooved shell 1.1 in the transverse direction. The driving device 1.4 comprises a motor and a reducer, and the running wheels 1.3 of the driving device 1.4 roll along the track on the bridge, so that the trolley 1 can travel along the bridge. The winding assembly 2 comprises a bracket, a motor, a reducer, and a drum, and a rope coiler is provided on the drum. The drum reels or unwinds the steel wire rope 3 through the rope reel.

[0028] The frame-type telescopic mechanism 5 comprises a pair of top troughs 5.1 fixed in parallel to the bottom of the traveling trolley 1 and a pair of scissor-type connecting rod mechanisms 5.2, wherein the front end of the rod body at the top of the scissor-type connecting rod mechanism 5.2 is hinged to the front end of the inner wall of the top trough 5.1, and the rear end of the rod body at the top of the scissor-type connecting rod mechanism 5.2 is slidably engaged with the rear part of the inner cavity of the top trough 5.1; wherein, in order to ensure the overall stability of the frame-type telescopic mechanism 5, the two ends of the connecting rod 5.3 are respectively rotatably sleeved with the ends of the rod bodies of the scissor-type connecting rod mechanisms 5.2 on both sides, so that the frame-type telescopic mechanism 5 is a frame structure as a whole. In addition, the rear part of the two side walls of the top trough 5.1 is provided with a top sliding groove 5.1.1 along its axial direction, and the two ends of the shaft body of the rear end of the rod body at the top of the scissor-type connecting rod mechanism 5.2 are respectively slidably engaged in the top sliding groove 5.1.1.

[0029] The lifting plate frame 6 comprises a bottom plate 6.1 and a bottom trough body 6.2 fixed to both sides of the top surface of the bottom plate 6.1, the front end of the rod body at the bottom end of the scissor-type linkage mechanism 5.2 is hinged to the front end of the inner side wall of the bottom trough body 6.2, and the rear end of the rod body at the bottom end of the scissor-type linkage mechanism 5.2 is slidably engaged with the rear part of the inner cavity of the bottom trough body 6.2. Among them, the rear part of the two side walls of the bottom trough body 6.2 is provided with a bottom slide groove 6.2.1 along its axial direction, and the two ends of the shaft body of the rear end of the rod body at the bottom end of the scissor-type linkage mechanism 5.2 are respectively slidably engaged with the bottom slide groove 6.2.1.

[0030] The free end of the steel wire rope 3 is connected to the top surface of the bottom plate 6.1. A support 6.3 is fixed at the center of the top surface of the bottom plate 6.1, and groove wheels 1 6.4 are rotatably connected to both sides of the top of the support 6.3. A connecting ring 1.6 and a connecting block 1.5 are respectively fixed to the connecting beams 1.2 on the front and rear sides of the winding assembly 2. The connecting block 1.5 is connected to a guide mechanism 7. The guide mechanism 7 includes a column 7.1 with a top sleeved on the connecting block 1.5 and a clamping groove 7.2 fixed to the bottom of the column 7.1 in the middle of the top surface, and a groove wheel 2 7.3 is rotatably installed in the clamping groove 7.2. The free end of the steel wire rope 3 passes through the groove wheel 1 6.4 on one side of the support 6.3, the groove wheel 2 7.3, and the groove wheel 1 6.4 on the other side of the support 6.3 in turn, and is then fixed to the connecting ring 1.6. When fixed to the connecting ring 1.6, the rope head is passed through the connecting ring 1.6 and folded in half, and then fixed with a rope clamp.

[0031] In summary, the hook 4 is used to hook the heavy object, and a locking mechanism is provided on the hook 4 to prevent the hook from being unhooked. When the reel of the winding assembly 2 reels the wire rope 3, the lifting plate frame 6 as a whole will be lifted upward, and the scissor-type connecting rod mechanism 5.2 will be contracted to achieve a stable lifting of the heavy object. When the winding assembly 2 unwinds the wire rope 3, the lifting plate frame 6 as a whole will fall, and the scissor-type connecting rod mechanism 5.2 will be extended accordingly to achieve a stable landing of the heavy object.

[0032] The hook 4 is mounted on the bottom surface of the bottom plate 6.1.

[0033] The top surface of the bottom plate 6.1 is respectively fixed with a support plate 6.5 at a position corresponding to the outer side of the groove wheel 1 6.4. That is, the outer end of the central axis of the groove wheel 1 6.4 is rotatably sleeved on the top of the support plate 6.5, which can not only improve the supporting effect of the groove wheel 1 6.4, but also prevent the wire rope 3 from falling off from the groove wheel 1 6.4.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stabilizer frame for an electric single-beam crane, comprising a trolley (1) that moves laterally along a bridge frame, a steel wire rope (3), a hook (4), and a winding assembly (2) disposed on the trolley (1) and used for winding and unwinding the steel wire rope (3), characterized in that: Also includes: A frame-type telescopic mechanism (5), the frame-type telescopic mechanism (5) comprising a pair of top trough bodies (5.1) fixed in parallel to the bottom of the traveling trolley (1) and a pair of scissor-type connecting rod mechanisms (5.2), the top front rod end of the scissor-type connecting rod mechanism (5.2) being hinged to the front end of the inner side wall of the top trough body (5.1), and the top rear rod end of the scissor-type connecting rod mechanism (5.2) being slidably clamped to the rear of the inner cavity of the top trough body (5.1); A lifting plate frame (6), the lifting plate frame (6) comprising a bottom plate (6.1) and a bottom trough body (6.2) fixed to both sides of the top surface of the bottom plate (6.1), the front end of the rod body at the bottom end of the scissor-type connecting rod mechanism (5.2) being hinged to the front end of the inner side wall of the bottom trough body (6.2), and the rear end of the rod body at the bottom end of the scissor-type connecting rod mechanism (5.2) being slidably clamped to the rear part of the inner cavity of the bottom trough body (6.2); The free end of the steel wire rope (3) is connected to the top surface of the base plate (6.1), and the hook (4) is installed on the bottom surface of the base plate (6.1).

2. The stabilizer frame for an electric single-beam crane according to claim 1, characterized in that: The walking trolley (1) comprises a pair of parallel grooved shells (1.1), a connecting beam (1.2) with two ends respectively fixedly connected to the top surface of the grooved shell (1.1), a plurality of walking wheels (1.3) rotatably mounted in the inner cavity of the grooved shell (1.1), and a driving device (1.4) arranged on the outside of the grooved shell (1.1) and used to drive the walking wheels (1.3) to rotate, the top of the top groove body (5.1) is fixed to the inner side wall of the grooved shell (1.1), and the winding assembly (2) is fixed to the top surface of the grooved shell (1.1) in the transverse direction.

3. The stabilizer frame for an electric single-beam crane according to claim 1, characterized in that: The frame-type telescopic mechanism (5) also comprises a connecting rod (5.3), and the two ends of the connecting rod (5.3) are respectively rotatably sleeved corresponding to the ends of the rod bodies of the scissor-type connecting rod mechanisms (5.2) on both sides.

4. The stabilizer frame for an electric single-beam crane according to claim 1, characterized in that: The rear part of the two side walls of the top tank body (5.1) is provided with a top sliding groove ( 5.1.1), the two ends of the shaft body at the rear end of the rod body at the top of the scissor-type connecting rod mechanism (5.2) are respectively slidably engaged in the top sliding groove (5.1.1), and the rear part of the two side walls of the bottom groove body (6.2) is provided with a bottom sliding groove (6.2.1) along its axial direction, and the two ends of the shaft body at the rear end of the rod body at the bottom of the scissor-type connecting rod mechanism (5.2) are respectively slidably engaged in the bottom sliding groove (6.2.1).

5. The stabilizer frame for an electric single-beam crane according to claim 2, characterized in that: A support (6.3) is fixed at the center of the top surface of the bottom plate (6.1), and groove wheels (6.4) are rotatably connected to the two sides of the top of the support (6.3). A connecting ring (1.6) and a connecting block (1.5) are fixed to the connecting beam (1.2) at the front and rear sides of the winding assembly (2), respectively. The connecting block (1.5) is connected to a guide mechanism (7), and the guide mechanism (7) includes groove wheels (7.3). The free end of the steel wire rope (3) is fixed to the connecting ring (1.6) after passing through groove wheels (6.4) on one side of the support (6.3), groove wheels (7.3), and groove wheels (6.4) on the other side of the support (6.3) in sequence.

6. The stabilizer frame for an electric single-beam crane according to claim 5, characterized in that: Support plates (6.5) are fixed to the top surface of the bottom plate (6.1) at positions corresponding to the outer sides of the grooved wheel 1 (6.4).

7. The stabilizer frame for an electric single-beam crane according to claim 5, characterized in that: The guide mechanism (7) also comprises a column (7.1) whose top end is sleeved on the connection block (1.5) and a slot (7.2) whose middle part of the top surface is fixed to the bottom end of the column (7.1), and the second groove wheel (7.3) is rotatably mounted in the slot (7.2).

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