Casting heat treatment hoisting tool

Abstract

The utility model belongs to the field of hoisting tools, and discloses a casting heat treatment hoisting tool which comprises a rack device used for supporting walking and moving, and further comprises a suspension device installed on the rack device and used for hoisting a casting in a four-corner lifting mode, and a limiting device used for clamping the bottom from the two ends and fixing the bottom is arranged below the suspension device. The suspension device comprises a basket assembly used for containing a casting, and a lifting assembly used for lifting the four corners in a suspension mode is arranged above the basket assembly. The limiting device comprises two fixing frames which are symmetrically arranged front and back, two sliding grooves are symmetrically formed in each fixing frame, and a clamping assembly used for telescopic clamping and fixing is installed between the fixing frames. According to the casting heat treatment hoisting tool disclosed by the utility model, through the arrangement of four-corner lifting hoists, the stress uniformity is ensured; through the arrangement of clamping the two ends and fixing the bottom, the hoisting stability is ensured; and through the arrangement of four-corner electric movement, the overall walking and moving range is enlarged.

Description

Technical Field

[0001] The utility model belongs to the field of lifting tools, in particular to a casting heat treatment lifting tool. Background Art

[0002] Casting heat treatment involves heating, holding, and cooling cleaned castings to improve or alter their original structure, eliminate internal stress, maintain performance, and prevent deformation and damage. Heat treatment is the final step in casting production and includes heat treatment, shaping, rust prevention, and rough machining.

[0003] The lifting mechanism is a kind of indirect lifting mechanism, and its extension is hinged on the base plate, is fixed with the support frame, is fixed with the support frame, is fixed with the support frame, and is provided with a pin of the bottom end face.

[0004] However, the above patent can only transfer castings in a small range, and adopts cantilever suspension, which can neither ensure the uniformity of force nor the stability of lifting. Therefore, a new equipment needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a casting heat treatment lifting tool to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A casting heat treatment lifting tool includes a frame device for supporting walking and movement, and also includes a suspension device installed on the frame device for lifting and hoisting the casting at four corners, and a limiting device for clamping and fixing the bottom from both ends is provided below the suspension device; the suspension device includes a basket assembly for holding the casting, and a lifting assembly for suspending and lifting at four corners is provided above the basket assembly; the limiting device includes two fixed frames arranged symmetrically front and back, two slide grooves are symmetrically provided on the fixed frames, and a clamping assembly for telescopic clamping and fixing is installed between the fixed frames.

[0008] Furthermore: the frame device includes a top plate, four support legs are evenly distributed at the four corners of the bottom surface of the top plate, a first motor is installed at the bottom of the support leg, a walking wheel is installed at the output end of the first motor, and four avoidance holes are evenly distributed on the top plate.

[0009] Furthermore: the support legs and the top plate are welded together, and the fixing frame and the support legs are riveted together.

[0010] Furthermore: the basket assembly includes a mesh box, and four lifting rings are evenly distributed on the four corners of the top of the mesh box; the lifting assembly includes two symmetrically arranged transmission shafts, a second motor is arranged in front of the transmission shaft, and two winding wheels are symmetrically installed on the transmission shaft, a steel cable is wound on the winding wheel, and a hook is installed at the bottom end of the steel cable.

[0011] Furthermore: the clamping assembly includes four evenly distributed electric push rods, the telescopic ends of the electric push rods are equipped with slides, the slides are equipped with a third motor, the output end of the third motor is equipped with a clamping plate, and a limiting platform is provided on the clamping plate.

[0012] Furthermore: the top of the net box is open, and the lifting ring is connected to the net box with bolts.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The uniformity of force is ensured by the setting of four-corner lifting and hoisting;

[0015] 2. The stability of lifting is ensured by clamping the bottom from both ends;

[0016] 3. The electric movement of the four corners increases the overall walking range. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a casting heat treatment lifting tool described in the utility model;

[0018] Figure 2 This is a schematic diagram of a frame device for a casting heat treatment lifting tool according to the present invention;

[0019] Figure 3 This is a schematic diagram of a suspension device for a casting heat treatment lifting tool according to the present invention;

[0020] Figure 4 It is a schematic diagram of a limiting device of a casting heat treatment lifting tool described in the utility model.

[0021] In the accompanying drawings: 101, top plate; 102, supporting leg; 103, first motor; 104, walking wheel; 105, avoidance hole; 201, net box; 202, lifting ring; 203, transmission shaft; 204, winding wheel; 205, second motor; 206, steel cable; 207, hook; 301, fixing frame; 302, slide; 303, electric push rod; 304, slide; 305, third motor; 306, clamping plate; 307, limit table. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4 A casting heat treatment lifting tool includes a frame device for supporting walking and movement, and a suspension device installed on the frame device for lifting and hoisting castings at four corners. A limiting device is provided under the suspension device for clamping the bottom from both ends.

[0024] In this embodiment, the frame device includes a top plate 101, and four support legs 102 are evenly distributed at the four corners of the bottom surface of the top plate 101. The support legs 102 and the top plate 101 are welded together, and the fixing frame 301 and the support legs 102 are riveted together. A first motor 103 is installed at the bottom of the support leg 102, and a running wheel 104 is installed at the output end of the first motor 103. Four avoidance holes 105 are evenly distributed on the top plate 101. The support legs 102 support the first motor 103 to drive the running wheel 104 to rotate and drive the entire body to move. The avoidance holes 105 are used to avoid the steel cable 206, so that the steel cable 206 passes through the top plate 101;

[0025] In this embodiment, the suspension device includes a basket assembly for holding castings, and a lifting assembly for suspending and lifting at four corners is provided above the basket assembly; the basket assembly includes a net box 201, and four lifting rings 202 are evenly distributed at the four corners of the top of the net box 201; the lifting assembly includes two symmetrically arranged transmission shafts 203, a second motor 205 is provided in front of the transmission shaft 203, two winding wheels 204 are symmetrically mounted on the transmission shaft 203, a steel cable 206 is wound around the winding wheel 204, and a hook 207 is installed at the bottom end of the steel cable 206; the net box 201 is used to hold the castings, and the second motor 205 drives the winding wheel 204 to rotate through the transmission shaft 203 to release the steel cable 206 to pass through the avoidance hole 105, and hang the hook 207 on the lifting ring 202 at the top of the net box 201. The second motor 205 is reversed to make the winding wheel 204 wind the steel cable 206 to lift the net box 201;

[0026] In this embodiment: the limiting device includes two fixed frames 301 symmetrically arranged in the front and back, two slide grooves 302 are symmetrically arranged on the fixed frames 301, and a clamping assembly for telescopic clamping and fixing is installed between the fixed frames 301; the clamping assembly includes four evenly distributed electric push rods 303, the telescopic end of the electric push rod 303 is installed with a slide 304, the slide 304 is installed with a third motor 305, the output end of the third motor 305 is installed with a clamping plate 306, and a limiting platform 307 is provided on the clamping plate 306. The slide 304 first supports the third motor 305 to drive the clamping plate 306 to rotate 90 degrees, and the fixed frame 301 then supports the electric push rod 303 to retract, driving the slide 304 to move along the slide groove 302, so that the clamping plate 306 is inserted into the bottom surface of the net box 201 for support, and at the same time the limiting platform 307 clamps the side of the net box 201 to prevent shaking.

[0027] Working principle: Place the casting into the cage 201, the support legs 102 support the first motor 103 to drive the walking wheel 104 to rotate and drive the whole to move above the cage 201, the top plate 101 supports the second motor 205 to drive the winding wheel 204 to rotate through the transmission shaft 203 to release the steel cable 206 through the avoidance hole 105, and hang the hook 207 on the ring 202 at the top of the cage 201, and the second motor 205 is reversed to make the winding wheel 204 wind the steel cable 206, lift the net box 201, and then the slide 304 first supports the third motor 305 to drive the clamping plate 306 to rotate 90 degrees, and the fixed frame 301 then supports the electric push rod 303 to retract, driving the slide 304 to move along the slide 302, so that the clamping plate 306 is inserted into the bottom surface of the net box 201 for support, and at the same time the limit platform 307 clamps the side of the net box 201 to prevent shaking, and then moves as a whole, and the casting is lifted to the heat treatment site or placed in the cooling pool.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A casting heat treatment lifting tool, comprising a frame device for supporting walking and moving, characterized in that: It also includes a suspension device installed on the frame device for lifting and hoisting the casting at four corners, and a limiting device for clamping and fixing the bottom from both ends is provided under the suspension device; The suspension device includes a basket assembly for containing the casting, and a lifting assembly for lifting and suspending the casting at four corners is provided above the basket assembly; The limiting device comprises two fixing frames (301) symmetrically arranged front and back, two sliding grooves (302) are symmetrically arranged on the fixing frames (301), and a clamping assembly for telescopic clamping and fixing is installed between the fixing frames (301).

2. A casting heat treatment lifting tool according to claim 1, characterized in that: The frame device comprises a top plate (101), four support legs (102) are evenly distributed at the four corners of the bottom surface of the top plate (101), a first motor (103) is installed at the bottom of the support leg (102), a walking wheel (104) is installed at the output end of the first motor (103), and four avoidance holes (105) are evenly distributed on the top plate (101).

3. A casting heat treatment lifting tool according to claim 2, characterized in that: The support legs (102) and the top plate (101) are welded together, and the fixing frame (301) and the support legs (102) are riveted together.

4. A casting heat treatment lifting tool according to claim 1, characterized in that: The basket assembly comprises a net box (201), and four lifting rings (202) are evenly distributed at the four corners of the top of the net box (201); the lifting assembly comprises two symmetrically arranged transmission shafts (203), a second motor (205) is arranged in front of the transmission shaft (203), two winding wheels (204) are symmetrically installed on the transmission shaft (203), a steel cable (206) is wound around the winding wheel (204), and a hook (207) is installed at the bottom end of the steel cable (206).

5. The casting heat treatment lifting tool according to claim 1, characterized in that: The clamping assembly comprises four evenly distributed electric push rods (303), a slide (304) is installed at the telescopic end of the electric push rods (303), a third motor (305) is installed on the slide (304), a clamping plate (306) is installed at the output end of the third motor (305), and a limiting platform (307) is provided on the clamping plate (306).

6. A casting heat treatment lifting tool according to claim 4, characterized in that: The top of the net box (201) is open, and the hanging ring (202) and the net box (201) are connected by bolts.

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