CN104787667B - Engine behind front wheel type unitary-construction car cabin suspender - Google Patents

Abstract

The invention discloses a engine room spreader for a front-mounted load-bearing car body, which is characterized in that it comprises a horizontal bar arranged along the width direction of the engine room and a longitudinal bar arranged along the length direction of the engine room, and the two horizontal bars The length of the end matches the distance between the cabin suspension mounting plates at the left and right ends of the cabin, and the two ends of the cross bar are correspondingly installed with connecting and fixing devices for connecting with the cabin suspension mounting plates. The longitudinal bar is located in front of the cross bar and one end is fixedly connected to the cross bar , the other end of the longitudinal bar is sequentially provided with a suspension ring and a counterweight so that the counterweight is located at the front and right side of the cross bar as a whole. The invention has the advantages of simple and convenient operation, high work efficiency, good safety and the like.

Description

Front-mounted load-bearing body car cabin spreader

technical field

The invention relates to the technical field of car production and assembly, in particular to a engine room hanger of a front-mounted load-bearing car body.

Background technique

The engine compartment of a front-mounted load-bearing car refers to the frame structure at the lower part of the front cockpit of a front-engine load-bearing car. There is a cavity in the middle of the structure to form the engine installation position, so it is called the engine compartment, referred to as the engine compartment. In the engine room of this type of front-mounted load-bearing car body, on both sides behind the engine installation position, corresponding to the upper end position of the front wheel shock absorbing spring installation position, each is fixed with a cabin suspension installation plate, and the engine room suspension installation plate is a hole in the middle of the top. The overall structure is trumpet-shaped, and two levels of steps are formed at the opening at the upper end and the lower part to facilitate installation. When the engine cabin of the front-mounted load-bearing car is installed, it is fixed on the main frame by the opening at the top of the cabin suspension mounting plate.

In the production process of the nacelle itself, some parts need to be welded on it to improve its structural functions, so it is necessary to use a lifting tool to lift the upper part to the main welding line. Since the suspension mounting plate of the nacelle is located at the rear of the center of gravity of the nacelle, and the engine installation position is at the right of the middle of the nacelle, the nacelle is large in size and extremely irregular in shape. Generally speaking, when hoisting, multiple hoisting points need to be set in the middle of the nacelle for hoisting, so there are defects such as troublesome operation, low work efficiency, and poor safety.

Contents of the invention

Aiming at the deficiencies of the above-mentioned prior art, the technical problem to be solved by the present invention is: how to provide an engine cabin spreader for a front-mounted load-bearing car body with simple and convenient operation, high work efficiency and good safety.

In order to solve the above technical problems, the present invention adopts the following technical solution: In this solution, the orientation description is based on the orientation of the vehicle where the engine room is located when the spreader is in use.

A engine cabin spreader for a load-bearing car body in front of the engine, which is characterized in that it comprises a horizontal bar arranged along the width direction of the engine room and a longitudinal bar arranged along the length direction of the engine room, and the length of both ends of the horizontal bar is the same as that of the engine room. The distance between the left and right ends of the cabin suspension mounting plates is matched, and the two ends of the cross bar are correspondingly installed with connecting and fixing devices for connecting with the cabin suspension mounting plate. The longitudinal bar is located in front of the cross bar and one end is fixedly connected to the cross bar. One end is sequentially provided with a suspension ring and a counterweight so that the counterweight is located at the front and right side of the cross bar as a whole.

In this way, when the spreader is in use, the connection with the suspension installation plate of the nacelle is completed by the connection and fixing devices at both ends of the cross bar, and then the lifting can be completed by relying on the counterweight to be positioned above the engine installation position in the nacelle to ensure the overall balance of the nacelle and the spreader. . In this way, only two connection points of the nacelle suspension mounting plate are needed. Since the nacelle suspension mounting plate itself is used for the installation and fixing of the nacelle, and the component has the characteristics of high strength, it can be used as the suspension point to complete the hoisting, which can ensure safety. In this way, only two lifting points are needed, the lifting operation is simpler, more convenient and quicker, and the working efficiency is improved.

As an optimization, the longitudinal bar is horizontally and vertically fixedly connected to the right position in the middle of the cross bar, the counterweight is slidably sleeved on the longitudinal bar, and the counterweight is also screwed with a counterweight fixing bolt. The counterweight fixing bolt passes through the counterweight and can be screwed and fixed on the longitudinal bar.

In this way, before hoisting, the position of the counterweight can be adjusted by moving back and forth according to the actual situation, so as to better ensure the lifting balance. stable.

As an optimization, the lower end of the suspension ring is fastened to the longitudinal rod through a hoop.

Like this, before hoisting, according to the actual situation, the front and rear positions of the suspension ring can also be adjusted by moving the hoop to better ensure the lifting balance.

As an optimization, the connecting and fixing device includes a connecting block connected to the cross bar, the front end of the lower surface of the connecting block extends downward to form a stopper that can be inserted into the upper mounting hole of the suspension mounting plate of the cabin, and the front end of the stopper extends forward to form a A supporting block, the distance from the rear side of the block to the front end of the supporting block matches the distance from the rear side of the upper mounting hole on the nacelle suspension mounting plate to the front end of the lower step of the nacelle suspension mounting plate, so that the rear side of the block is close to the upper end of the nacelle suspension mounting plate After the rear side of the mounting hole is inserted downwards, the upper surface of the front part of the supporting block can fit and support on the surface below the front end of the lower step of the suspension mounting plate of the cabin. The distance from the rear side of the stopper matches the distance from the rear side of the upper mounting hole on the cabin suspension mounting plate to the rear end of the lower step of the cabin suspension mounting plate, so that the rear side of the stopper is close to the rear side of the upper mounting hole on the cabin suspension mounting plate. The lower end can be abutted and pressed against the surface above the rear end of the lower step of the suspension mounting plate of the engine room.

In this way, when the connection and fixing device is used to complete the connection with the suspension mounting plate of the nacelle, it is only necessary to tilt the spreader forward and downward, so that the corresponding supporting block is inserted into the upper mounting hole of the suspension mounting plate of the nacelle, and the stopper is also inserted into the installation hole. In the hole, lift slowly so that the spreader rotates around the cross bar until the upper surface of the front part of the supporting block fits and supports the surface below the front end of the lower step of the engine room suspension installation plate, and at the same time, the rear side of the stopper is close to the engine room suspension installation At the same time, the lower end of the pressure block is abutted and pressed against the surface above the rear end of the lower step of the engine room suspension mounting plate to complete the locking of the connecting fixture and the workpiece. At this time, it can be lifted smoothly and the engine room can be hoisted to the corresponding position. Finally, the front end of the spreader is rotated and tilted downward, so that the supporting block can be taken out from the upper mounting hole of the suspension mounting plate of the engine room, and the lifting process is completed. Therefore, the above-mentioned connection and fixing device has the advantages of simple structure, convenient installation, connection and disassembly, and reliable connection locking and fixing, which ensures the stability and safety of the lifting process.

Further, a sliding groove is provided on the cross bar along the length direction, and a sliding part is provided on the connecting block, and is slidably engaged in the sliding groove by the sliding part. In this way, when different types of nacelles have different distances between the two nacelle suspension mounting plates, the spreader can also be used, and only need to move and adjust the distance of the connecting and fixing device on the cross bar to make it applicable. In addition, this structure is also equivalent to adjusting the left and right distance of the longitudinal bar to adjust the left and right positions of the counterweight, so as to better ensure the balance of the lifting process.

To sum up, the present invention has the advantages of simple and convenient operation, high work efficiency, good safety and the like.

Description of drawings

Fig. 1 is the hanger structure that adopts when the present invention is implemented.

Fig. 2 is a schematic diagram of the working state of the spreader when the present invention is implemented.

Fig. 3 is a schematic diagram of the mating connection between the individual connection fixing device and the suspension mounting plate of the nacelle in Fig. 2 .

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings. The orientation description is based on the orientation of the vehicle where the engine room is located when the spreader is in use. At the same time, during specific implementation, the engine compartment of the front-mounted load-bearing car refers to the vehicle frame structure at the lower part of the front-end cockpit of the front-engine load-bearing car. The middle part of the structure has a cavity to form the engine installation position. Therefore, it is called the engine room, or the engine room for short. In the engine room of this type of front-mounted load-bearing car body, on both sides behind the engine installation position, corresponding to the upper end position of the front wheel shock absorbing spring installation position, each is fixed with a cabin suspension installation plate, and the engine room suspension installation plate is a hole in the middle of the top. The overall structure is trumpet-shaped, and two levels of steps are formed at the opening at the upper end and the lower part to facilitate installation. When the engine cabin of the front-mounted load-bearing car is installed, it is fixed on the main frame by the opening at the top of the cabin suspension mounting plate.

Specific implementation: as shown in Figure 1-3, a engine cabin spreader for a load-bearing car body with a front engine, including a horizontal bar 1 arranged along the width direction of the engine room (left and right directions) and a horizontal bar 1 arranged along the length direction of the engine room. (front and rear direction), the length of the two ends of the cross bar 1 is matched with the distance between the cabin suspension installation plates 3 at the left and right ends of the cabin, and the two ends of the cross bar 1 are correspondingly installed with the connection and fixation for connecting with the cabin suspension installation plates 3 device, the longitudinal bar 2 is located in front of the cross bar 1 and one end is fixedly connected to the cross bar 1, and the other end of the longitudinal bar 2 is sequentially provided with a suspension ring 4 and a counterweight 5 so that the counterweight 5 is located in front of the cross bar 1 and is close to the cross bar 1. right position.

In this way, when the spreader is in use, the connection with the suspension installation plate of the nacelle is completed by the connection and fixing devices at both ends of the cross bar, and then the lifting can be completed by relying on the counterweight to be positioned above the engine installation position in the nacelle to ensure the overall balance of the nacelle and the spreader. . In this way, only two connection points of the nacelle suspension mounting plate are needed. Since the nacelle suspension mounting plate itself is used for the installation and fixing of the nacelle, and the component has the characteristics of high strength, it can be used as the suspension point to complete the hoisting, which can ensure safety. In this way, only two lifting points are needed, the lifting operation is simpler, more convenient and quicker, and the working efficiency is improved.

Wherein, the longitudinal bar 2 is horizontally and vertically fixedly connected to the right position in the middle of the cross bar 1, and the counterweight 5 is slidably sleeved on the longitudinal bar 2, and the counterweight 5 is also screwed with a counterweight for fixing. Bolt 6 , the counterweight fixing bolt 6 passes through the counterweight 5 and can be screwed and fixed on the longitudinal bar 2 .

In this way, before hoisting, the position of the counterweight can be adjusted by moving back and forth according to the actual situation, so as to better ensure the lifting balance. stable. During specific implementation, the longitudinal bar can also be horizontally fixedly connected near the middle of the cross bar and inclined to the right, which can also facilitate the adjustment of the overall center of gravity balance.

Wherein, the lower end of the suspension ring 4 is fastened to the vertical rod 2 through a hoop 7 .

Like this, before hoisting, according to the actual situation, the front and rear positions of the suspension ring can also be adjusted by moving the hoop to better ensure the lifting balance. During specific implementation, a limit bolt is vertically connected and fixed at the front end of the longitudinal rod, so as to prevent the counterweight from sliding out of the longitudinal rod forward.

Wherein, the connection and fixing device includes a connection block 8 connected to the cross bar 1, the front end of the lower surface of the connection block 8 extends downwards to form a block 9 that can be inserted into the upper mounting hole of the suspension mounting plate of the engine room, and the front end of the block 9 Extending forward to form a support block 10, the distance from the rear side of the stop block 9 to the front end of the support block 10 matches the distance from the back side of the mounting hole at the upper end of the cabin suspension mounting plate 3 to the front end of the lower step of the cabin suspension mounting plate, so that the stop block 9 After the rear side is close to the upper mounting hole of the cabin suspension mounting plate and the rear side is inserted downward, the upper surface of the front part of the supporting block 10 can be fitted and supported on the surface below the front end of the lower step of the cabin suspension mounting plate, and the rear end of the stopper 9 There is a pressing block 11 extending downward, and the distance from the pressing block 11 to the rear side of the block matches the distance from the rear side of the upper mounting hole on the nacelle suspension mounting plate to the rear end of the lower step of the nacelle suspension mounting plate, so that the rear side of the block 9 is close to the nacelle suspension After the rear side of the upper mounting hole on the mounting plate is inserted downwards, the lower end of the briquetting block 11 can be abutted and pressed against the surface above the rear end of the lower step of the suspension mounting plate of the cabin.

In this way, when the connection and fixing device is used to complete the connection with the suspension mounting plate of the engine room, it is only necessary to tilt the spreader forward and downward, so that the corresponding supporting block is inserted into the upper mounting hole of the suspension mounting plate of the engine room, and the stopper is also inserted into the installation hole. In the hole, lift slowly so that the spreader rotates around the cross bar until the upper surface of the front part of the supporting block fits and supports the surface below the front end of the lower step of the engine room suspension installation plate, and at the same time, the rear side of the stopper is close to the engine room suspension installation At the same time, the lower end of the pressure block is abutted and pressed against the surface above the rear end of the lower step of the engine room suspension mounting plate to complete the locking of the connecting fixture and the workpiece. At this time, it can be lifted smoothly and the engine room can be hoisted to the corresponding position. Finally, the front end of the spreader is rotated and tilted downward, so that the supporting block can be taken out from the upper mounting hole of the cabin suspension mounting plate, and the lifting process is completed. Therefore, the above-mentioned connecting and fixing device has the advantages of simple structure, convenient and fast installation, connection and disassembly, and reliable locking and fixing of the connection, so as to ensure the stability and safety of the lifting process.

Wherein, the cross bar 1 is provided with a sliding groove along the length direction, and the connecting block 8 has a sliding part 12, and is slidably engaged in the sliding groove by the sliding part 12. In this way, when different types of nacelles have different distances between the two nacelle suspension mounting plates, the spreader can also be used, and only need to move and adjust the distance of the connecting and fixing device on the cross bar to make it applicable. In addition, this structure is also equivalent to adjusting the left and right distance of the longitudinal bar to adjust the left and right positions of the counterweight, so as to better ensure the balance of the lifting process. In addition, during specific implementation, fastening screws may be further provided on the connecting block 8 for locking and fixing the connecting block on the cross bar after being adjusted and moved.

To sum up, the present invention has the advantages of simple and convenient operation, high work efficiency, good safety and the like.

Claims (4)

1. an engine behind front wheel type unitary-construction car cabin suspender, it is characterized in that, including a cross bar arranged along cabin width and a vertical pole arranged along cabin length direction, the cabin at described cross bar two ends length and two ends, left and right, cabin hangs installing plate distance coupling, and cross bar two ends correspondence is provided with for hanging, with cabin, the connection fixing device that installing plate connects, described vertical pole is positioned at cross bar front and one end and is fixedly connected on cross bar, and the vertical pole other end is disposed with suspension ring and balancing weight and makes balancing weight be integrally located at cross bar front to keep right position；

nullDescribed connection fixing device includes the contiguous block being connected on cross bar，Contiguous block lower surface front end is downwardly extending one and is inserted into cabin and hangs the block in the installing hole of installing plate upper end，Block front end extends forward formation one support block，Block trailing flank hangs installing plate upper end installing hole trailing flank to support block front end distance size and cabin and hangs the distance coupling of installing plate lower floor step front end to cabin，Make block trailing flank be close to cabin and hang after installing plate upper end installing hole trailing flank is downwardly into，Support block front upper surface support of can fitting hangs on the underlying surfaces of installing plate lower floor step front end to cabin，Described block rear end has the briquetting downwardly extended，Briquetting hangs installing plate upper end installing hole trailing flank to block trailing flank distance and cabin and hangs the distance coupling of installing plate lower floor step rear end to cabin，Make block trailing flank be close to cabin and hang after installing plate upper end installing hole trailing flank is downwardly into，Briquetting lower end can abut and be pressed on the overhead surface of suspension installing plate lower floor step rear end, cabin.

2. engine behind front wheel type unitary-construction car cabin as claimed in claim 1 suspender, it is characterized in that, described vertical pole horizontal vertical is fixedly connected in the middle part of cross bar position of keeping right, described balancing weight is set on vertical pole slidably, also being connected with balancing weight on balancing weight and fix bolt, described balancing weight is fixed bolt and through balancing weight and can be tightened on vertical pole.

3. engine behind front wheel type unitary-construction car cabin as claimed in claim 1 suspender, it is characterised in that described suspension ring lower end is fastenedly connected on vertical pole by an anchor ear.

4. engine behind front wheel type unitary-construction car cabin as claimed in claim 1 suspender, it is characterised in that be provided with chute on described cross bar along its length, contiguous block has a sliding part, and is connected to slidably in chute by sliding part.