CN219058280U

CN219058280U - Automobile cab lifting device

Info

Publication number: CN219058280U
Application number: CN202223057693.7U
Authority: CN
Inventors: 侯鹏; 崔晓旭; 董傲
Original assignee: China National Heavy Duty Truck Group Jining Commercial Vehicle Co ltd
Current assignee: China National Heavy Duty Truck Group Jining Commercial Vehicle Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-23
Anticipated expiration: 2032-11-17

Abstract

The utility model provides an automobile cab hoisting device, which relates to the technical field of automobile manufacturing, and adopts the following scheme: including the crossbeam, preceding hoist and back hoist are installed at the both ends of crossbeam, and back hoist includes the davit, and demountable installation has the lifting hook on the davit, and the davit can support the lifting hook rear portion and prevent that the lifting hook from rocking backward, is provided with the structure of hanging on the lifting hook, and the lifting hook is hung to on the davit through the structure of hanging. The rear lifting appliance is improved, the lifting hook is connected to the lifting arm in a hanging manner through the split arrangement of the lifting arm and the lifting hook, the lifting hook is only required to be replaced by a single person, the lifting hook model is quickly replaced for cabs with different sizes and shapes, the model replacing efficiency is improved, and the time is saved.

Description

Automobile cab lifting device

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to an automobile cab hoisting device.

Background

At present, a heavy truck cab faces the problems of production takt lifting, quality lifting, various vehicle types and the like, and has higher requirements on matched workers. The vehicle body coating cab is taken off line, and the cab is hoisted by an electric hoist matched with a special lifting appliance to realize turning hanging. The method comprises the following specific steps: the operation time of lifting the cab (door opening rope-door opening-hanging hook-door closing rope) is about 60 seconds, then transferring the cab to the next station, and the operation time of falling the cab (door opening rope-door opening-hanging hook) is about 40 seconds. The offline transferring and hanging process only needs to take 100 seconds for lifting the operation bicycle, and is a bottleneck process, so that the beat of offline transferring and hanging is restricted. In addition, along with the continuous updating of heavy-duty trucks, the overall dimension of new heavy-duty truck driver's cabin presents the diversification, and current hoist and mount hoist can't satisfy the mixed line production of multi-vehicle type, needs the untimely hoist of switching, and single switching needs two people to cooperate, and the consuming time is about 8min, and the switching delays the driver's cabin offline, seriously restricts the production beat.

Therefore, to the current situation that the cab lifting sling in the prior art cannot meet the requirement that at least two persons are required to switch the lifting sling in cab lifting work with diversified external dimensions, labor is wasted time and production beats are restricted, the automobile cab lifting device capable of being quickly replaced by a single person is developed, and the problem is urgently needed to be solved.

Disclosure of Invention

The utility model aims to solve the problems that when the existing cab lifting sling is used for switching the lifting sling according to cab lifting works with different external dimensions, at least two persons are required to switch the lifting sling, so that labor and time are wasted and production beats are restricted, and provides and designs an automobile cab lifting device capable of being quickly replaced by a single person.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an automobile cab hoist device, includes the crossbeam, front lifting appliance and back lifting appliance are installed at the both ends of crossbeam, and back lifting appliance includes the davit, and demountable installation has the lifting hook on the davit, and the davit can support the lifting hook rear portion and prevent that the lifting hook from rocking backward, is provided with the structure of hanging on the lifting hook, and the lifting hook is hung to the davit through the structure of hanging. The rear lifting appliance is improved, the lifting hook is connected to the lifting arm in a hanging manner through the split arrangement of the lifting arm and the lifting hook, the lifting hook is only required to be replaced by a single person, the lifting hook model is quickly replaced for cabs with different sizes and shapes, the model replacing efficiency is improved, and the time is saved.

Further, the lifting hook is provided with a hook groove with an upper opening, the upper part of the hook groove is narrower than the lower part of the hook groove, the lifting hook comprises a rear hook body, a bottom hook body and a front hook body, the rear hook body, the bottom hook body and the front hook body are sequentially connected to form the lifting hook with the upper opening, the hook groove is positioned between the front hook body and the rear hook body, the front hook body is inclined from bottom to top to back to form a hook groove with a narrow upper part and a wide lower part, the arrangement mode enables the top of the front hook body to prop against a cab spandrel, the stress point is the cab spandrel during lifting, deformation of the cab in the lifting process is effectively avoided, the existing cab part enters the hook groove to be supported by the bottom surface of the groove, namely the bottom hook body supports the cab, the supporting position of the lifting hook is changed, the front hook body can prop against the cab spandrel to be supported by the top of the front hook body, the supporting position of the cab is also changed, and the structure below the cab spandrel is changed into the cab spandrel.

Furthermore, at least two horizontal hanging beams are arranged on the suspension arm, and the horizontal hanging beams are arranged in an up-down interval mode. The hanging hooks are hung on the horizontal hanging beams, and the hanging hooks with different types can be selected to be hung on the horizontal hanging beams with different heights. Reinforcing ribs are arranged between the horizontal hanging beams and the suspension arms, so that the supporting and reinforcing effects on the horizontal hanging beams are achieved.

Further, the hanging structure is provided with a hook with a downward opening, and the hook is hung on the horizontal hanging beam, so that the disassembly is convenient.

Further, be provided with the fixing base on the davit, be provided with the otic placode on the lifting hook, the otic placode is close to the structure of hanging and is located one side of hanging the structure, be provided with rectangular hole on the otic placode, the otic placode is connected to the fixing base through the connecting piece on, the connecting piece passes rectangular hole, after the davit is hung to the hanger, connect both through the connecting piece, realize the reliability that both connect, the connecting piece adopts the connecting pin, M12 flat head pin and phi 4R type round pin complex anticreep design have been designed, R type round pin plug is fast, safety is fast.

Further, a plurality of U-shaped clamping grooves which are arranged at intervals are formed in the two ends of the cross beam, the front lifting tool and the rear lifting tool are hung in the U-shaped clamping grooves, the clamping grooves limit the front lifting tool and the rear lifting tool, the cross beam is additionally provided with 24U-shaped clamping grooves in the scheme, the mounting positions of the front lifting tool and the rear lifting tool are used for adjusting, the adjusting distance is 1400-2700 mm, and the lifting requirements of cabs with various lengths are met. Further, a cover plate is arranged above the U-shaped clamping groove, and the cover plate is higher than the U-shaped clamping groove. For adapting to the diversity of the cab size, two groups of clamping grooves with the width of 25mm and the depth of 32.5mm are designed to be matched with each other, the distance between the clamping groove and the clamping groove is 25mm, and the distance between the clamping groove and the upper cover plate is 25mm, and the clamping groove is matched with the suspension arm with phi 20, so that the smoothness of the suspension arm when the suspension arm is switched between the clamping grooves is ensured, and the movement of the suspension arm in use can be effectively prevented.

Further, because the cab rear side is required to be hoisted during hoisting, the rear side of the lifting appliance is required to slightly droop to facilitate operation, the upper side of the cross beam is 10-15 degrees with the horizontal included angle, the lifting device is excessively large in inclination angle due to the fact that the rear lifting appliance is secondarily transformed, the balancing weight is added at the rear end of the cross beam for ensuring the horizontal of the lifting device, the balancing weight is a steel plate with the thickness of 20mm and is fixed with the cross beam of the lifting appliance through bolts, and the balancing weight is fixed to a cover plate at the rear end of the cross beam in the scheme, so that the lifting appliance is safe and firm and does not occupy space.

From the above technical scheme, the utility model has the following advantages:

the scheme provides an automobile cab lifting device, improves a rear lifting appliance, and is characterized in that a lifting arm and a lifting hook are arranged in a split mode, the lifting hook is connected to the lifting arm in a hanging mode, only a single person is required to replace the lifting hook, the types of the lifting hooks are quickly replaced for cabs with different sizes and shapes, the type replacing efficiency is improved, and the time is saved; the hook groove with the narrow upper part and the wide lower part of the lifting hook is arranged in such a way that the top of the front hook body is propped against the cab spandrel girder, so that the stress point is the cab spandrel girder during lifting, and the deformation of the cab in the lifting process is effectively avoided; the balancing weight is arranged at the rear end of the cross beam, so that the balance of the whole lifting device is effectively ensured.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of an embodiment of the present utility model.

Fig. 2 is an isometric view of an embodiment of the utility model.

Fig. 3 is a schematic structural view of a rear hanger according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a hook according to an embodiment of the present utility model.

In the figure, 1, the crossbeam, 2, preceding hoist, 3, back hoist, 4, U type draw-in groove, 5, apron, 6, balancing weight, 7, davit, 8, lifting hook, 9, the structure of hanging, 10, horizontal hanging beam, 11, otic placode, 12, connecting piece, 13, rectangular hole, 14, couple, 801, back coupler body, 802, preceding coupler body, 803, bottom coupler body.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

As shown in fig. 1 to 4, this embodiment provides an automobile cab lifting device, including crossbeam 1, front lifting appliance 2 and back lifting appliance 3 are installed to crossbeam 1's both ends, back lifting appliance 3 includes davit 7, demountable installation has lifting hook 8 on the davit 7, and davit 7 can support lifting hook 8 rear portion and prevent lifting hook 8 backward swing, be provided with on lifting hook 8 and hang structure 9, lifting hook 8 is hung on davit 7 through hanging structure 9, improve back lifting appliance 3, through setting up davit 7 and lifting hook 8 components of a whole that can function independently, lifting hook 8 is connected to davit 7 with the mode of hanging.

As shown in fig. 4, the hook 8 has a hook slot with an upper opening, the upper part of the hook slot is narrower than the lower part of the hook slot, specifically, the hook 8 includes a rear hook 801, a bottom hook 803 and a front hook 802, the rear hook 801, the bottom hook 803 and the front hook 802 are sequentially connected to form the hook 8 with an upper opening, the hook slot is located between the front hook 802 and the rear hook 801, the front hook 802 is inclined from bottom to top toward the rear hook 801, and further forms a hook slot with a narrow top and a wide bottom, the arrangement mode makes the top of the front hook 802 prop against the cab load beam, so that the load point is the cab load beam during hoisting, deformation of the cab in the hoisting process is effectively avoided, the existing cab part enters the hook slot to be supported by the bottom of the groove, that is, the bottom hook 803 supports the cab, the supporting position of the hook 8 is changed, the front hook 802 can prop against the cab load beam to support the cab by using the top of the front hook 802, and the supporting position of the cab is also changed from the cab load beam to the cab load beam 1. At least two horizontal hanging beams 10 are arranged on the suspension arm 7, and the horizontal hanging beams 10 are arranged in an up-down interval mode. The lifting hooks 8 are hung on the horizontal hanging beams 10, the lifting hooks 8 of different types can be selected to be hung on the horizontal hanging beams 10 of different heights, and reinforcing ribs are arranged between the horizontal hanging beams 10 and the suspension arms 7 to play a role in supporting and reinforcing the horizontal hanging beams 10. The hanging structure 9 is provided with the hook 14 with the opening facing downwards, and the hook 14 is hung on the horizontal hanging beam 10, so that the disassembly is convenient. Wherein, be provided with the fixing base on the davit 7, be provided with otic placode 11 on the lifting hook 8, otic placode 11 is close to hanging structure 9 and is located one side of hanging structure 9, be provided with rectangular hole 13 on the otic placode 11, otic placode 11 is connected to the fixing base through connecting piece 12, connecting piece 12 passes rectangular hole 13, after lifting hook 8 hangs on the davit 7, connect both through connecting piece 12, realize the reliability of both connections, connecting piece 12 adopts the connecting pin, M12 flat head pin and phi 4R type round pin complex anticreep design has been designed, the quick plug of R type round pin, safety is quick.

In addition, the both ends of crossbeam 1 are provided with a plurality of interval arrangement's U type draw-in groove 4, and preceding hoist 2 and back hoist 3 hang in U type draw-in groove 4, and the draw-in groove is spacing preceding hoist 2 and back hoist 3, and 24U type draw-in groove 4 are add to crossbeam 1 in this scheme for adjust the mounted position of preceding hoist 2 and back hoist 3, and distance 1400-2700 mm is adjusted, satisfies the cab hoisting demand of various length. Further, a cover plate 5 is installed above the U-shaped clamping groove 4, and the cover plate 5 is higher than the U-shaped clamping groove 4. In order to adapt to the diversity of the cab size, two groups of clamping grooves with the width of 25mm and the depth of 32.5mm are designed to be matched, the clamping groove and the clamping groove are spaced to be 25mm and the distance between the clamping groove and the upper cover plate 5 is 25mm, and the clamping groove is matched with the suspension arm 7 with phi 20, so that the smoothness of the suspension arm 7 when the clamping groove is switched is ensured, and the movement of the suspension arm 7 in use can be effectively prevented.

In addition, because the cab rear side is required to be hoisted during hoisting, the rear side of the lifting appliance is required to slightly droop to facilitate operation, the upper side of the cross beam 1 and the horizontal included angle are 10-15 degrees, the lifting device is excessively large in inclination angle due to the fact that the rear lifting appliance 3 is secondarily transformed, the balancing weight 6 is added at the rear end of the cross beam 1 to ensure the horizontal of the lifting device, the balancing weight 6 is a 20mm thick steel plate and is fixed with the cross beam 1 of the lifting appliance through bolts, and the balancing weight 6 is fixed to the cover plate 5 at the rear end of the cross beam 1 in the scheme, so that the lifting appliance is safe and firm and does not occupy space.

The terms "upper," "lower," "outboard," "inboard," and the like in the description and in the claims of the utility model and in the above figures, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an automobile cab hoist device, includes the crossbeam, preceding hoist and back hoist are installed at the both ends of crossbeam, and its characterized in that, back hoist include the davit, detachably installs the lifting hook on the davit, and the davit can support the lifting hook rear portion and prevent that the lifting hook from rocking backward, is provided with the hooking structure on the lifting hook, and the lifting hook is hung to the davit through the hooking structure.

2. The car cab lifting device according to claim 1, wherein the hook has a hook groove opened upward, and an upper portion of the hook groove is narrower than a lower portion of the hook groove.

3. The car cab lifting device as recited in claim 2, wherein the hook comprises a rear hook body, a bottom hook body and a front hook body, the rear hook body, the bottom hook body and the front hook body are sequentially connected to form a hook with an upper opening, the hook slot is positioned between the front hook body and the rear hook body, and the front hook body is inclined from bottom to top toward the rear hook body.

4. A car cab lifting device according to any one of claims 1-3, wherein at least two horizontal hanging beams are provided on the boom, the horizontal hanging beams being arranged in an up-down spaced relationship, the lifting hook being suspended to one of the horizontal hanging beams.

5. The vehicle cab lifting device of claim 4, wherein the hitching structure is provided with a downwardly opening hanger, the hanger being hung on the horizontal hanger beam.

6. The car cab lifting device of claim 5, wherein the boom is provided with a fixing base, the hook is provided with an ear plate, the ear plate is close to the hanging structure and is positioned on one side of the hanging structure, the ear plate is provided with a strip hole, the ear plate is connected to the fixing base through a connecting piece, and the connecting piece penetrates through the strip hole.

7. A car cab lifting device according to any one of claims 1 to 3, wherein a plurality of U-shaped clamping grooves are formed in both ends of the cross beam at intervals, and the front and rear lifting devices are hung in the U-shaped clamping grooves.

8. The automobile cab lifting device of claim 7, wherein a cover plate is arranged above the U-shaped clamping groove, and the cover plate is higher than the U-shaped clamping groove.

9. A car cab lifting device according to any one of claims 1-3, wherein the rear end of the cross beam is provided with a counterweight.