Tractor cab frame lifting appliance

Abstract

A tractor cab frame lifting appliance relates to the technical field of lifting appliances and comprises a lifting hook, a limiting piece and a guide plate. The lifting hook comprises a hook part; the cross section of the limiting piece is in a U shape, the limiting piece is horizontally arranged in the X direction and fixedly connected to the hook part, and the length of the limiting piece is larger than the thickness of the lifting hook in the X direction; two lap joint plates of the same structure are fixedly arranged in the limiting piece, the two lap joint plates are arranged on the two sides of the hook part in a mirror symmetry mode in the X direction, the lap joint plates are horizontally arranged in the X direction, a distance exists between the lap joint plates and the bottom of the limiting piece, and insertion through holes are formed in the lap joint plates; the guide plate is obliquely arranged, the bottom end of the guide plate is fixedly connected to the limiting piece, and the top end of the guide plate inclines towards the side away from the lifting hook in the Y direction. The lifting device can be stably and reliably connected with the cab frame, the risk of connection falling is reduced, the cab frame is prevented from falling in the lifting process, the lifting safety of the cab frame is improved, and potential safety hazards are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance technical field, especially a tractor cab frame lifting appliance. BACKGROUND

[0002] At present, in the tractor general assembly production assembly workshop, need to use the lifting appliance to carry the tractor cab frame and be hoisted and transported in each production line and carry out the general assembly, in the process of hoisting the cab frame, the reliability and safety between the lifting appliance and the cab frame are very important.

[0003] The traditional lifting belt directly hoists the cab frame and the travelling crane, then hoists and transports through the travelling crane, but the hoisting is not stable, the cab frame is inclined, is easy to damage the cab frame and the like, influences production quality. There are also lifting appliances that use C-shaped hooks to hoist, and the C-shaped hooks also have the problem of unstable hoisting, and the cab frame is easy to fall off during hoisting, which is low in safety. SUMMARY

[0004] Therefore, the utility model wants to solve the technical problem, provides a tractor cab frame lifting appliance, can stably and reliably connect with the cab frame, reduces the risk of connection falling off, avoids the cab frame from falling during hoisting, improves the safety of cab frame hoisting, and eliminates the hidden danger.

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

[0006] A tractor cab frame lifting appliance, comprising a lifting hook, a limiting piece and a guide plate;

[0007] The lifting hook comprises a hook portion;

[0008] The cross-sectional shape of the limiting piece is U-shaped, the limiting piece is arranged horizontally along the X direction and fixedly connected to the hook portion, and along the X direction, the length of the limiting piece is greater than the thickness of the lifting hook;

[0009] Two structurally identical lap plates are fixedly arranged in the limiting piece, the two lap plates are arranged symmetrically along the X direction on both sides of the hook portion, the lap plates are arranged horizontally along the X direction and have a spacing between the bottom of the limiting piece, and the lap plates are provided with plug-in through holes;

[0010] The guide plate is arranged obliquely, the bottom end of the guide plate is fixedly connected to the limiting piece, and the top end of the guide plate is inclined away from the side of the lifting hook along the Y direction.

[0011] Preferably, the limiting piece comprises an outer limiting side plate and an inner limiting side plate oppositely arranged along the X direction, and a limiting bottom plate fixed between the outer limiting side plate and the inner limiting side plate, and the outer limiting side plate, the inner limiting side plate and the limiting bottom plate are fixedly connected with the hook portion.

[0012] The bottom end of the guide plate is fixedly connected to the outer limiting side plate.

[0013] Preferably, the lap plate is fixed between the outer limiting side plate and the inner limiting side plate, and there is a spacing between the lap plate and the limiting bottom plate.

[0014] Along the Z direction, the spacing between the lap plate and the limiting bottom plate is smaller than the height of the outer limiting side plate.

[0015] Preferably, an arc-shaped guide surface is arranged at the connection between the guide plate and the outer limiting side plate.

[0016] Preferably, an anti-skid protrusion is arranged on the top surface of the lap plate.

[0017] Preferably, the hook comprises a hanging portion integrally formed with the hook portion, and the hanging portion is arranged above the hook portion along the Z direction.

[0018] Preferably, the hanging portion is provided with a hanging through hole, and a lifting ring is installed in the hanging through hole.

[0019] Preferably, a handle is fixedly connected to the hook, and the handle is arranged between the hook portion and the hanging portion along the Z direction.

[0020] Preferably, two rib plates are fixed between the hook portion and the limiting piece, and the two rib plates are arranged below the limiting piece and are mirror-symmetrically arranged on both sides of the hook portion along the X direction.

[0021] Preferably, the included angle between the guide plate and the horizontal plane is 30°.

[0022] After the above technical scheme is adopted, the present application has the following beneficial effects:

[0023] Since the present application comprises a hook, a limiting piece and a guide plate, wherein the hook comprises a hook portion, the cross-sectional shape of the limiting piece is U-shaped, the limiting piece is horizontally arranged along the X direction and is fixedly connected to the hook portion, along the X direction, the length of the limiting piece is greater than the thickness of the hook, when the hook is used to hoist the cab frame, the cross beam of the cab frame is lapped on the limiting piece, the length of the limiting piece is greater than the thickness of the hook, which increases the contact area between the present application and the cross beam of the cab frame, so that the present application can be stably and reliably connected with the cab frame, the risk of connection falling off is reduced, and the cab frame can be prevented from shaking during hoisting, thereby improving the safety of hoisting.

[0024] Two clamping plates which are same in structure are fixed in the limiting member, the two clamping plates are mirror-symmetrically arranged on the two sides of the hook portion along the X direction, the clamping plate is horizontally arranged along the X direction and has a spacing between the clamping plate and the bottom of the limiting member, and the clamping plate is provided with a plug-in through hole; when the cab frame is hoisted, the clamping plate is used for directly contacting with the cab frame cross beam, hoisting strength is improved, meanwhile, the plug-in through hole is arranged, can be matched with the stop pin on the cab frame cross beam, further limits the cab frame from shaking in the hoisting process, avoids the cab frame from falling in the hoisting process, improves the safety of the cab frame hoisting, and eliminates the safety hazard.

[0025] The guide plate is inclined, the bottom end of the guide plate is fixedly connected to the limiting member, and the top end of the guide plate is inclined away from the hook side along the Y direction; when the cab frame is hoisted upward, the guide plate can be matched with the cab frame cross beam, the guide limiting member is moved to the cab frame cross beam until the cab frame cross beam is located in the limiting member, the use effect is improved, and the operation difficulty is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] The utility model will be further explained in connection with the drawings and embodiments.

[0027] Figure 1 It is the structure schematic diagram of tractor cab frame lifting appliance of the utility model embodiment;

[0028] Figure 2 It is Figure 1 the front view of;

[0029] Figure 3 It is Figure 2 the top view of;

[0030] Figure 4 It is Figure 1 the structure schematic diagram of another direction;

[0031] In the figure:

[0032] 1, hook; 11, hook portion; 12, hanging portion; 13, hanging through hole;

[0033] 2, limiting member; 21, outer limiting side plate; 22, inner limiting side plate; 23, limiting bottom plate;

[0034] 3, guide plate; 31, arc-shaped guide surface;

[0035] 4, clamping plate; 41, plug-in through hole; 42, anti-skid protrusion;

[0036] 5, lifting ring;

[0037] 6, handle;

[0038] 7. The muscle plate;

[0039] a is the angle between the guide plate and the horizontal plane. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0041] The length direction of the limiting part 2 is defined as X direction, the width direction of the limiting part 2 is defined as Y direction, and the height direction of the limiting part 2 is defined as Z direction.

[0042] As shown in Figures 1 to 4 The utility model discloses a hook 1, limiting part 2 and guide plate 3, wherein the hook 1 includes a hook portion 11, the cross section shape of the limiting part 2 is U-shaped, the limiting part 2 is horizontally arranged along the X direction and is fixedly connected to the hook portion 11, and the length of the limiting part 2 is greater than the thickness of the hook 1 along the X direction. When the cab frame is hoisted by the hook 1, the cross beam of the cab frame is overlapped on the limiting part 2, and the length of the limiting part 2 is greater than the thickness of the hook 1, which increases the contact area between the application and the cross beam of the cab frame, so that the application can be stably and reliably connected with the cab frame, the risk of connection falling is reduced, and the cab frame can be prevented from shaking during hoisting, thereby improving the safety of hoisting.

[0043] Two overlapping plates 4 which are the same in structure are fixed in the limiting part 2, the two overlapping plates 4 are symmetrically arranged on the two sides of the hook portion 11 along the X direction, the overlapping plate 4 is horizontally arranged along the X direction and has a spacing with the bottom of the limiting part 2, and the overlapping plate 4 is provided with a plug-in through hole 41. When the cab frame is hoisted, the overlapping plate 4 is used for directly contacting with the cross beam of the cab frame, the hoisting strength is improved, meanwhile, the plug-in through hole 41 is arranged, can be matched with the blocking pin on the cross beam of the cab frame, further limits the cab frame from shaking during hoisting, avoids the cab frame from falling during hoisting, improves the safety of the cab frame hoisting, and eliminates the safety hazard.

[0044] The guide plate 3 is obliquely arranged, the bottom end of the guide plate 3 is fixedly connected to the limiting part 2, and the top end of the guide plate 3 is inclined to the side away from the hook 1 along the Y direction. When the application is inserted into the cab frame to hoist it upwards, the guide plate 3 can be matched with the cross beam of the cab frame, and the limiting part 2 is guided to move until the cross beam of the cab frame is located in the limiting part 2, thereby improving the use effect and reducing the operation difficulty. Preferably, the angle a between the guide plate 3 and the horizontal plane is 30°.

[0045] Preferably, the limiting member 2 comprises an outer limiting side plate 21 and an inner limiting side plate 22 oppositely arranged along the X direction, and a limiting bottom plate 23 fixedly arranged between the outer limiting side plate 21 and the inner limiting side plate 22, and the outer limiting side plate 21, the inner limiting side plate 22 and the limiting bottom plate 23 are fixedly connected with the hook portion 11; the bottom end of the guide plate 3 is fixedly connected with the outer limiting side plate 21.

[0046] The outer limiting side plate 21, the inner limiting side plate 22 and the limiting bottom plate 23 are connected with each other to form the limiting member 2 with a U-shaped cross section, and the hooking of the cab frame by the outer limiting side plate 21, the inner limiting side plate 22 and the limiting bottom plate 23 can be achieved.

[0047] The lap plate 4 is fixedly arranged between the outer limiting side plate 21 and the inner limiting side plate 22, and there is a gap between the lap plate 4 and the limiting bottom plate 23; along the Z direction, the gap between the lap plate 4 and the limiting bottom plate 23 is smaller than the height of the outer limiting side plate 21, which can prevent the cab frame from sliding out of the limiting member 2 during hoisting, thereby enhancing safety.

[0048] An arc-shaped guide surface 31 is arranged at the connection between the guide plate 3 and the outer limiting side plate 21, which facilitates the movement of the limiting member 2 to the cab frame beam in the limiting member 2 until the cab frame beam is located in the limiting member 2, and facilitates the separation of the cab frame from the limiting member 2.

[0049] The top surface of the lap plate 4 is provided with anti-skid protrusions 42, which further prevent displacement of the cab frame beam and enhance the safety of hoisting.

[0050] In the present application, the lifting hook 1 comprises a hanging portion 12 integrally formed with the hook portion 11, and the hanging portion 12 is arranged above the hook portion 11 along the Z direction.

[0051] The hanging portion 12 is provided with a hanging through hole 13, and a lifting ring 5 is arranged in the hanging through hole 13. The arrangement of the lifting ring 5 facilitates the connection of the lifting ring 5 with the lifting belt on the crane, thereby meeting the connection requirements.

[0052] The lifting hook 1 is fixedly connected with a handle 6, and the handle 6 is arranged between the hook portion 11 and the hanging portion 12 along the Z direction. When the present application is moved, the handle 6 can be used to avoid directly holding the lifting hook 1, thereby avoiding affecting the personal safety of the workers and improving the safety of use.

[0053] In the present application, two rib plates 7 are fixedly arranged between the hook portion 11 and the limiting member 2, the two rib plates 7 are arranged below the limiting member 2, and the two rib plates 7 are mirror-symmetrically arranged on both sides of the hook portion 11 along the X direction. Preferably, the two rib plates 7 are arranged below the limiting bottom plate 23, which avoids occupying the hoisting space of the limiting member 2, prevents affecting the hoisting of the cab frame by the limiting member 2, and improves the hoisting strength.

[0054] In use, the application is installed on a travelling crane through the lifting ring 5 and the lifting belt, and is moved to below the cross beam of the cab frame. The guide plate 3 and the limiting piece 2 are adjusted to the outside of the cross beam of the cab frame through the handle 6. The travelling crane drives the application to move upward as a whole. In this process, the cross beam of the cab frame slides into the limiting piece 2 through the guide plate 3 until the cab frame moves as a whole.

[0055] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tractor cab frame hoist characterized by, The hook, the limiting piece and the guide plate are included. The hook includes a bent hook part. The limiting piece is U-shaped in cross section, horizontally arranged along the X direction and fixedly connected to the bent hook part. Two identical overlapping plates are fixedly arranged in the limiting piece, symmetrically arranged along the X direction on both sides of the bent hook part. The guide plate is obliquely arranged, with its bottom end fixedly connected to the limiting piece and its top end obliquely arranged along the Y direction away from the hook.

2. The tractor cab frame hoist of claim 1, wherein, The limiting piece includes oppositely arranged outer and inner limiting side plates along the X direction, with a limiting bottom plate fixedly arranged between the outer and inner limiting side plates. The bottom end of the guide plate is fixedly connected to the outer limiting side plate.

3. The tractor cab frame hoist of claim 2, wherein, The overlapping plate is fixedly arranged between the outer and inner limiting side plates, with a spacing between the overlapping plate and the limiting bottom plate. Along the Z direction, the spacing between the overlapping plate and the limiting bottom plate is smaller than the height of the outer limiting side plate.

4. The tractor cab frame hoist of claim 2, wherein, The connecting part of the guide plate and the outer limiting side plate is provided with an arc-shaped guide surface.

5. The tractor cab frame hoist of claim 1, wherein, The top surface of the overlapping plate is provided with anti-skid protrusions.

6. The tractor cab frame hoist of claim 1, wherein, The hook includes a hanging part integrally formed with the bent hook part, which is arranged above the bent hook part along the Z direction.

7. The tractor cab frame hoist of claim 6, wherein, The hanging part is provided with a hanging hole, in which a hanging ring is arranged.

8. The tractor cab frame hoist of claim 6, wherein, A handle is fixedly connected to the hook, which is arranged between the bent hook part and the hanging part along the Z direction.

9. The tractor cab frame hoist of claim 1, wherein, Two rib plates are fixedly arranged between the bent hook part and the limiting piece, which are arranged below the limiting piece and symmetrically arranged along the X direction on both sides of the bent hook part.

10. The tractor cab frame hoist of claim 1, wherein, The included angle between the guide plate and the horizontal plane is 30°.

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