Lifting appliance for gearbox machining

Abstract

The utility model relates to the technical field of gearbox machining assistive devices, in particular to a lifting appliance for gearbox machining, which comprises a lifting ring, three lifting hooks, a transverse baffle, a pull rod and a limiting hook, the three lifting hooks are hinged to the bottom of the lifting ring, and two lifting hooks are fixedly connected through the transverse baffle to form a double-lifting-hook structure. The other lifting hook forms a single lifting hook structure; one end of the pull rod is hinged to the single-lifting-hook structure, and the other end penetrates through the double-lifting-hook structure; one end of the limiting hook is connected to the pull rod through a bolt, and the other end of the limiting hook is hung on the transverse baffle and used for fixing the distance between the single-hook structure and the double-hook structure. According to the lifting appliance for machining the gearbox, the spacing between the single-lifting-hook structure and the double-lifting-hook structure is fixed through the limiting structure, so that the fixity and the stability between the lifting appliance and a gearbox shell in the lifting process are improved, the lifting appliance is not prone to slipping off from the gearbox shell, and then the lifting safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission processing aids, in particular to a lifting tool for transmission processing. Background Technique

[0002] As an important part of the automotive transmission system, the transmission housing is mainly used to install gears, shafts and other related components inside the transmission. During the manufacturing process, the housing needs to be transported between different processes. Especially during the assembly stage, a lifting tool is usually used to complete this task. A common lifting tool is a transmission housing lifting tool disclosed in CN218507382U. However, in actual operation, due to the uneven shape and weight distribution of the transmission housing, the traditional lifting tool may be unstable during the lifting process.

[0003] The existing lifting tool designs often rely on the edge of the housing as the suspension point. This method may lead to an unstable connection between the lifting tool and the housing in some cases. Especially during the transportation process, if there is vibration or improper operation, the lifting tool and the housing edge may slip, resulting in the housing falling off and the lifting tool flying apart, which may not only damage the equipment but also easily injure people, posing a great safety hazard. Content of the Utility Model

[0004] In view of this, the utility model provides a lifting tool for transmission processing, which fixes the distance between the single hook structure and the double hook structure by setting a limiting structure, so as to increase the fixation and stability between the lifting tool and the transmission housing during the lifting process, making the lifting tool not easily slip off the transmission housing, thereby improving the lifting safety.

[0005] The technical solution of the utility model is realized as follows:

[0006] The utility model provides a lifting tool for transmission processing, including a lifting ring, and further including hooks, a transverse baffle, a pull rod and a limiting hook. Among them,

[0007] Three hooks are hinged at the bottom of the lifting ring, and the three hooks are arranged in a triangular shape. Two of the hooks are fixedly connected by the transverse baffle to form a double hook structure, and the other hook forms a single hook structure;

[0008] One end of the pull rod is hinged to the single hook structure, and the other end passes through the double hook structure;

[0009] One end of the limiting hook is connected to the pull rod by a bolt, and the other end is hooked on the transverse baffle to fix the distance between the single hook structure and the double hook structure.

[0010] Based on the above technical solutions, preferably, the lifting ring includes a hinge shaft and a V-shaped hanging rod, wherein,

[0011] the opening of the V-shaped hanging rod faces downward;

[0012] the hinge shaft is horizontally arranged, one end of the hinge shaft is fixedly connected to one end of the V-shaped hanging rod, and the other end is fixedly connected to the other end of the V-shaped hanging rod;

[0013] the upper end of the lifting hook is hinged on the hinge shaft.

[0014] Based on the above technical solutions, preferably, the bent part at the top of the V-shaped hanging rod is arc-shaped.

[0015] Based on the above technical solutions, preferably, the upper end of the lifting hook is provided with a through hole, and the lower end is bent into an L shape, wherein,

[0016] the hinge shaft passes through the through hole.

[0017] Based on the above technical solutions, preferably, it further includes a reinforcing plate, wherein,

[0018] the reinforcing plate is arranged above the cross baffle and fixed between the two lifting hooks in the double-lifting-hook structure.

[0019] Based on the above technical solutions, preferably, the upper end of the double-lifting-hook structure is in an H shape, and the lower end is in an eight-character shape.

[0020] Based on the above technical solutions, preferably, the lifting hook in the single-lifting-hook structure is fixedly provided with hinge parts, wherein,

[0021] there are two hinge parts;

[0022] one end of the pull rod is hinged between the two hinge parts, and the pull rod forms a vertical flipping structure through the hinge parts.

[0023] Based on the above technical solutions, preferably, the limit hook includes a sleeve, a tightening bolt and a limit plate, wherein,

[0024] the sleeve is sleeved on the pull rod and is slidably connected;

[0025] one end of the tightening bolt penetrates through the side wall of the sleeve and is screwed, and one end of the tightening bolt abuts against the side of the pull rod;

[0026] the limit plate is fixed at the bottom of the sleeve, and the limit plate abuts against the side of the cross baffle away from the hinge part.

[0027] Based on the above technical solutions, preferably, a counterbore is provided at a position on the side of the pull rod corresponding to the tightening bolt, wherein,

[0028] The counterbore extends along the axial direction of the pull rod in an oblong shape;

[0029] One end of the tightening bolt is slidably disposed in the counterbore and selectively abuts against the bottom of the counterbore.

[0030] Based on the above technical solutions, preferably, a plurality of arc-shaped limiting grooves are equidistantly arranged along the axial direction of the pull rod on the bottom of the counterbore, and a hemispherical limiting protrusion is rotatably arranged on one end of the tightening bolt, wherein,

[0031] The limiting protrusion is selectively inserted into one of the arc-shaped limiting grooves.

[0032] A hoist for processing a gearbox of the present utility model has the following beneficial effects compared with the prior art:

[0033] (1) By setting one end of the limiting hook to be connected to the pull rod through a bolt and the other end to be hooked on the cross baffle, it is used to fix the distance between the single hook structure and the double hook structure, which is convenient for increasing the fixing property and stability between the hoist and the gearbox housing during the hoisting process, making the hoist not easily slip off the gearbox housing, thereby improving the hoisting safety.

[0034] (2) By connecting one end of the limiting hook to the pull rod through a bolt, the position of the limiting hook is adjustable, which is convenient for limiting the distance between the single hook structure and the double hook structure to different widths, and thus adapting to the hoisting requirements of products of different sizes, with good versatility.

[0035] (3) By setting the limiting protrusion to be selectively inserted into one of the arc-shaped limiting grooves, it is convenient to increase the locking effect of the limiting hook through this structure, making the fixing property and stability between the hoist and the gearbox housing better during the hoisting process, and the hoisting is safer. Description of the Drawings

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0037] Figure 1 It is a three-dimensional view of a hoist for processing a gearbox of the present utility model;

[0038] Figure 2The front view of a lifting tool for gearbox processing according to the present utility model;

[0039] Figure 3 The sectional view taken along line A-A of the present utility model;

[0040] Figure 4 The three-dimensional view of the limit hook of the present utility model;

[0041] Figure 5 The three-dimensional view of the pull rod of the present utility model;

[0042] Figure 6 The usage state diagram of a lifting tool for gearbox processing according to the present utility model;

[0043] In the figure: 1, lifting ring; 2, hook; 3, cross baffle; 4, pull rod; 5, limit hook; 6, reinforcing plate; 11, hinge shaft; 12, V-shaped hanging rod; 51, sleeve; 52, tightening bolt; 53, limit plate; 201, double-hook structure; 202, single-hook structure; 203, through hole; 204, hinge part; 401, sinking groove; 402, limit groove; 5201, limit protrusion. Specific embodiments

[0044] Next, in combination with the specific embodiments of the present utility model, the technical solutions in the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0045] As Figure 1-6 shown, a lifting tool for gearbox processing according to the present utility model includes a lifting ring 1, a hook 2, a cross baffle 3, a pull rod 4, a limit hook 5 and a reinforcing plate 6.

[0046] Among them, three hooks 2 are hinged at the bottom of the lifting ring 1. Specifically, as Figure 1 shown, the lifting ring 1 includes a hinge shaft 11 and a V-shaped hanging rod 12. Among them, the opening of the V-shaped hanging rod 12 faces downward, the hinge shaft 11 is horizontally arranged, one end of the hinge shaft 11 is fixedly connected to one end of the V-shaped hanging rod 12, and the other end is fixedly connected to the other end of the V-shaped hanging rod 12. The upper ends of the three hooks 2 are simultaneously hinged on the hinge shaft 11. As Figure 1 shown, a through hole 203 is provided at the upper end of the hook 2, and the lower end is bent into an L shape. Among them, the through holes 203 at the upper ends of the three hooks 2 are coaxially arranged. After the hinge shaft 11 passes through the through hole 203, it is fixedly connected to the V-shaped hanging rod 12. The L shape at the lower end of the hook 2 forms a hook structure for hanging the gearbox housing.

[0047] Meanwhile, the bent part at the top of the V-shaped hanging rod 12 is arc-shaped. This shape can keep the hook of the crane in the middle position of the V-shaped hanging rod 12, making the center of gravity centered and having better stability. During hoisting, it can prevent the hook of the crane in the workshop from slipping. The crane in the workshop can be an overhead crane or a chain block.

[0048] In addition, as Figure 1 shown, the three hooks 2 are arranged in a triangular shape. Two of the hooks 2 are fixedly connected by a cross baffle 3 to form a double-hook structure 201, and the other hook 2 forms a single-hook structure 202. As Figure 6 shown, during hoisting, the single-hook structure 202 is hung on the shaft hole of the gearbox housing, and the double-hook structure 201 is hung on the edge of the gearbox housing. The single-hook structure 202 and the double-hook structure 201 form a three-point suspension structure. Or when hoisting other products, both the single-hook structure 202 and the double-hook structure 201 are hung on the edge of the product.

[0049] One end of the pull rod 4 is hinged to the single-hook structure 202, and the other end passes through the double-hook structure 201. Meanwhile, one end of the limit hook 5 is connected to the pull rod 4 by a bolt, and the other end is hooked on the cross baffle 3 to be used for fixing the distance between the single-hook structure 202 and the double-hook structure 201. As Figure 1 and Figure 6 shown, during hoisting, under the action of gravity, the single-hook structure 202 and the double-hook structure 201 grip the gearbox housing tightly, and the limit hook 5 locks the distance between the single-hook structure 202 and the double-hook structure 201, which is convenient for increasing the fixity and stability between the lifting tool and the gearbox housing during the hoisting process, making the lifting tool not easy to slip off the gearbox housing, thereby improving the hoisting safety.

[0050] As Figure 1 shown, the reinforcing plate 6 is arranged above the cross baffle 3 and fixed between the two hooks 2 in the double-hook structure 201. Specifically, one end of the reinforcing plate 6 is fixedly connected to one of the hooks 2, and the other end is fixedly connected to the other hook 2. After connection, the structural strength of the double-hook structure 201 is enhanced through the reinforcing plate 6, making it not easy to deform. Through the reinforcing plate 6, the upper end of the double-hook structure 201 is in an H shape, and through the cross baffle 3, the lower end of the double-hook structure 201 is in an inverted V shape.

[0051] As Figure 1As shown, an articulated portion 204 is fixedly provided on the hook 2 of the single hook structure 202. Among them, there are two articulated portions 204. One end of the pull rod 4 is articulated between the two articulated portions 204. The pull rod 4 forms a vertical flipping structure through the articulated portion 204. When it is necessary to change the distance between the single hook structure 202 and the double hook structure 201, flip the pull rod 4 upward to move the limit hook 5 upward to achieve unlocking. Then adjust the distance between the single hook structure 202 and the double hook structure 201. After that, when the single hook structure 202 and the double hook structure 201 are hooked on the gearbox housing, flip the pull rod 4 downward to make the limit hook 5 hook on the cross baffle 3 again to form a limit, so as to maintain the distance between the single hook structure 202 and the double hook structure 201.

[0052] In the above structure, the limit hook 5 includes a sleeve 51, a tightening bolt 52 and a limit plate 53. Among them, the sleeve 51 is sleeved on the pull rod 4 and is slidably connected. One end of the tightening bolt 52 penetrates through the side wall of the sleeve 51 and is screwed. One end of the tightening bolt 52 abuts against the side of the pull rod 4. The limit plate 53 is fixed at the bottom of the sleeve 51. The limit plate 53 abuts against the side of the cross baffle 3 away from the articulated portion 204.

[0053] As Figure 3 shown, in the locked state, one end of the tightening bolt 52 abuts against the side of the pull rod 4 to fixedly connect the sleeve 51 and the pull rod 4. At the same time, the limit plate 53 abuts against the side of the cross baffle 3 away from the articulated portion 204 to limit the lateral displacement of the double hook structure 201, thereby maintaining the distance between the single hook structure 202 and the double hook structure 201.

[0054] When unlocking, screw the tightening bolt 52 so that one end thereof disengages from the side of the pull rod 4. Then slide the sleeve 51 away from the cross baffle 3. After that, flip the pull rod 4 upward to make the limit plate 53 leave the cross baffle 3 to complete the unlocking. After unlocking, the distance between the single hook structure 202 and the double hook structure 201 can be adjusted.

[0055] As Figure 3 shown, a sinking groove 401 is provided at the position corresponding to the tightening bolt 52 on the side of the pull rod 4. Among them, the sinking groove 401 extends along the axial direction of the pull rod 4 and is oblong. One end of the tightening bolt 52 is slidably arranged in the sinking groove 401 and selectively abuts against the bottom of the sinking groove 401. When unlocking, one end of the tightening bolt 52 can slide along the sinking groove 401, thereby maintaining the spatial position of the tightening bolt 52 and facilitating the unlocking operation.

[0056] Furthermore, as Figure 4 and Figure 5As shown in the figure, a number of arc-shaped limiting grooves 402 are equidistantly arranged along the axial direction of the pull rod 4 on the bottom of the sinking groove 401. A hemispherical limiting protrusion 5201 is rotatably arranged at one end of the tightening bolt 52. Among them, the limiting protrusion 5201 is selectively inserted into one of the arc-shaped limiting grooves 402. When tightening is required, the tightening bolt 52 is screwed to make the limiting protrusion 5201 enter the limiting groove 402 and abut against each other to form a locked state, or make the limiting protrusion 5201 abut against the bottom of the sinking groove 401 to form a locked state.

[0057] Since the limiting protrusion 5201 is hemispherical and is rotatably connected to one end of the tightening bolt 52, when the tightening bolt 52 is screwed, the limiting protrusion 5201 and the bottom of the limiting groove 402 or the bottom of the sinking groove 401 are not easily rubbed and damaged, thereby effectively protecting the locking ability of the tightening bolt 52.

[0058] The using method of a lifting tool for processing a gearbox of the present utility model is as follows:

[0059] Before hoisting, the lifting tool is suspended on the hook of the crane in the workshop through the lifting ring 1, and then the limiting hook 5 is unlocked. After that, as Figure 6 shown in the figure, the lower end of the single hook structure 202 is hooked on the shaft hole of the gearbox housing, the double hook structure 201 is hooked on the edge of the gearbox housing, and then the limiting hook 5 is slid so that its limiting plate 53 abuts against the cross baffle 3. After abutting, the tightening bolt 52 is tightened to fixedly connect the limiting hook 5 and the pull rod 4.

[0060] When hoisting, due to the limiting effect of the limiting hook 5, the lifting tool is not easily slipped off from the gearbox housing, and the hoisting is relatively safe. After the gearbox housing reaches the target station, the limiting hook 5 is unlocked and the lifting tool is disassembled from the gearbox housing.

[0061] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A lifting tool for transmission processing, comprising a lifting ring (1), characterized in that: It further includes a lifting hook (2), a cross baffle (3), a pull rod (4) and a limit hook (5). Among them, Three lifting hooks (2) are hinged at the bottom of the lifting ring (1). The three lifting hooks (2) are arranged in a triangular shape. Two of the lifting hooks (2) are fixedly connected through the cross baffle (3) to form a double-hook structure (201), and the other lifting hook (2) forms a single-hook structure (202); One end of the pull rod (4) is hinged to the single-hook structure (202), and the other end penetrates through the double-hook structure (201); One end of the limit hook (5) is connected to the pull rod (4) by a bolt, and the other end is hooked on the cross baffle (3) to fix the distance between the single-hook structure (202) and the double-hook structure (201).

2. The lifting device for processing a gearbox according to claim 1, wherein: The lifting ring (1) includes a hinge shaft (11) and a V-shaped hanging rod (12). Among them, The opening of the V-shaped hanging rod (12) faces downward; The hinge shaft (11) is horizontally arranged. One end of the hinge shaft (11) is fixedly connected to one end of the V-shaped hanging rod (12), and the other end is fixedly connected to the other end of the V-shaped hanging rod (12); The upper end of the lifting hook (2) is hinged to the hinge shaft (11).

3. A lifting tool for processing a gearbox according to claim 2, characterized in that: The bent part at the top of the V-shaped hanging rod (12) is arc-shaped.

4. The lifting tool for processing a gearbox according to claim 2, wherein: A through hole (203) is provided at the upper end of the lifting hook (2), and the lower end is bent into an L shape. Among them, The hinge shaft (11) penetrates through the through hole (203).

5. A lifting tool for the machining of a gearbox according to claim 1, characterized in that: It further includes a reinforcing plate (6). Among them, The reinforcing plate (6) is arranged above the cross baffle (3) and is fixed between the two lifting hooks (2) in the double-hook structure (201).

6. The lifting tool for gearbox processing according to claim 5, wherein: The upper end of the double-hook structure (201) is in an H shape, and the lower end is in a spread shape.

7. The lifting tool for processing a gearbox according to claim 1, characterized in that: A hinge part (204) is fixedly provided on the lifting hook (2) in the single-hook structure (202). Among them, There are two hinge parts (204); One end of the pull rod (4) is hinged between the two hinge parts (204), and the pull rod (4) forms a vertical flipping structure through the hinge part (204).

8. The lifting device for processing a gearbox according to claim 7, wherein: The limit hook (5) includes a sleeve (51), a tightening bolt (52) and a limit plate (53). Among them, The sleeve (51) is sleeved on the pull rod (4) and is slidably connected; One end of the tightening bolt (52) penetrates through the side wall of the sleeve (51) and is screwed, and one end of the tightening bolt (52) abuts against the side of the pull rod (4); The limit plate (53) is fixed at the bottom of the sleeve (51), and the limit plate (53) abuts against the side of the cross baffle (3) away from the hinge part (204).

9. The lifting device for gearbox processing according to claim 8, characterized in that: A sunk groove (401) is provided at the side of the pull rod (4) corresponding to the position of the tightening bolt (52). Among them, The sunk groove (401) extends along the axial direction of the pull rod (4) and is oblong; One end of the tightening bolt (52) is slidably arranged in the sunk groove (401) and selectively abuts against the bottom of the sunk groove (401).

10. The lifting tool for gearbox processing according to claim 9, wherein: On the bottom of the sinking groove (401), a number of arc-shaped limiting grooves (402) are equidistantly arranged along the axial direction of the pull rod (4). One end of the tightening bolt (52) is rotatably provided with a hemispherical limiting protrusion (5201). Among them, The limiting protrusion (5201) is selectively inserted into one of the arc-shaped limiting grooves (402).

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