CN104803275B - Lifting point connection structure of car cabin lifting appliance - Google Patents
Lifting point connection structure of car cabin lifting appliance Download PDFInfo
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- CN104803275B CN104803275B CN201510199354.8A CN201510199354A CN104803275B CN 104803275 B CN104803275 B CN 104803275B CN 201510199354 A CN201510199354 A CN 201510199354A CN 104803275 B CN104803275 B CN 104803275B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/24—Single members engaging the loads from one side only
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- Body Structure For Vehicles (AREA)
Abstract
Description
技术领域 technical field
本发明涉及一种发动机前置型承载式车身轿车机舱吊具，特别的涉及一种轿车机舱吊具吊点连接结构。 The invention relates to a engine room spreader of a load-bearing car body in front of the engine, in particular to a suspension point connection structure of the car engine room spreader.
背景技术 Background technique
发动机前置型承载式车身轿车机舱，是指发动机前置型承载式车身轿车的前端驾驶舱下方部位的车架结构，该结构中部具有一空腔形成发动机安装位，故为发动机舱，简称机舱。这种发动机前置型承载式车身轿车机舱中，在发动机安装位后方两侧对应前轮减震弹簧安装位上端位置，各固定设置有一个机舱悬挂安装板，机舱悬挂安装板为顶端中部开孔的整体呈喇叭状的结构，其上端开孔处和下部形成有两层呈水平的台阶以方便安装。发动机前置型承载式车身轿车机舱安装时即靠机舱悬挂安装板顶端的开孔固定在主车架上。 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.
机舱自身的生产过程中，需要焊接局部零件在其上以完善其结构功能，故需要采用吊具往主焊线起吊上件。由于机舱悬挂安装板位于机舱重心靠后的位置，同时发动机安装位位于机舱中部靠右位置，机舱体积大、形状极不规则。一般情况下起吊时需要在机舱中部位置设置多个吊点进行起吊，故存在操作麻烦，工作效率低下，安全性差等缺陷。 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.
为了解决上述问题，申请人考虑设计了一种吊具结构，其包括一根沿机舱宽度方向设置的横杆和一根沿机舱长度方向设置的纵杆，所述横杆两端长度和机舱左右两端的机舱悬挂安装板距离匹配，且横杆两端对应安装有用于和机舱悬挂安装板连接的连接固定装置，所述纵杆位于横杆前方且一端固定连接在横杆上，纵杆另一端依次设置有吊环和配重块并使得配重块整体位于横杆前方靠右位置。 In order to solve the above problems, the applicant considered designing a spreader structure, which includes a horizontal bar arranged along the width direction of the nacelle and a longitudinal bar arranged along the length direction of the nacelle. The distance between the cabin suspension mounting plates at both ends 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. A suspension ring and a counterweight are arranged in sequence so that the counterweight is located at the front right of the cross bar as a whole.
这样，该吊具中，靠横杆两端的连接固定装置完成和机舱悬挂安装板的连接，然后靠配重块位于机舱发动机安装位上方以保证机舱和吊具的整体平衡，即可完成起吊。这样，只需机舱悬挂安装板两个连接点，由于机舱悬挂安装板自身是用于机舱的安装固定，构件具有强度大的特点，故作为吊点能够用于悬挂完成起吊，能够保证安全。这样只需两个吊点，起吊操作更加简单方便快捷，提高了工作效率。 In this way, in the spreader, the connection with the suspension mounting 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.
但其中，设置吊点连接结构时，怎样才能使其具有结构简单，操作方便快捷，锁死固定效果好，能够保证吊运稳定性和安全性等特点，成为有待考虑解决的问题。 But among them, when setting the lifting point connection structure, how to make it have the characteristics of simple structure, convenient and quick operation, good locking and fixing effect, and ability to ensure the stability and safety of lifting has become a problem to be considered and solved.
发明内容 Contents of the invention
针对上述现有技术的不足，本发明所要解决的技术问题是：怎样提供一种结构简单，操作方便快捷，锁死固定效果好，能够保证吊运稳定性和安全性的轿车机舱吊具吊点连接结构。 Aiming at the deficiencies of the above-mentioned prior art, the technical problem to be solved by the present invention is: how to provide a lifting point of a car engine room spreader with simple structure, convenient and fast operation, good locking and fixing effect, and can ensure the stability and safety of lifting. connection structure.
为了解决上述技术问题，本发明采用了如下的技术方案： In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:
一种轿车机舱吊具吊点连接结构，包括安装于横杆两端的用于和机舱悬挂安装板连接的连接固定装置，其特征在于，所述连接固定装置包括连接在横杆上的连接块，连接块下表面前端向下延伸形成一能够插入到机舱悬挂安装板上端安装孔内的挡块，挡块前端向前延伸形成一承托块，挡块后侧面到承托块前端距离尺寸和机舱悬挂安装板上端安装孔后侧面到机舱悬挂安装板下层台阶前端的距离匹配，使得挡块后侧面紧贴机舱悬挂安装板上端安装孔后侧面向下插入后，承托块前部上表面能够贴合承托到机舱悬挂安装板下层台阶前端下方表面上，所述挡块后端具有向下延伸的压块，压块到挡块后侧面距离和机舱悬挂安装板上端安装孔后侧面到机舱悬挂安装板下层台阶后端的距离匹配，使得挡块后侧面紧贴机舱悬挂安装板上端安装孔后侧面向下插入后，压块下端能够抵接压紧在机舱悬挂安装板下层台阶后端上方表面上。 A suspension point connection structure of a car engine room hanger, comprising connecting and fixing devices installed at both ends of a cross bar for connecting with a cabin suspension mounting plate, characterized in that 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 downwards to form a block that can be inserted into the upper mounting hole of the suspension mounting plate of the nacelle, and the front end of the block extends forward to form a supporting block. The distance from the rear side of the upper mounting hole on the suspension mounting plate to the front end of the lower step of the cabin suspension mounting plate is matched so that the rear side of the stopper is close to the upper mounting hole of the cabin suspension mounting plate. The combined support is supported on the surface below the front end of the lower step of the cabin suspension mounting plate, and the rear end of the block has a pressing block extending downward. The distance of the rear end of the lower step of the mounting plate is matched so that the rear side of the stopper is close to the upper mounting hole of the cabin suspension mounting plate and the rear side is inserted downward, and the lower end of the pressure block can be pressed against the surface above the rear end of the lower step of the cabin suspension mounting plate. .
这样，采用连接固定装置完成和机舱悬挂安装板的连接时，只需将吊具向前下方倾斜，使得对应的承托块插入到机舱悬挂安装板上端安装孔内，至挡块也插入到安装孔内，慢慢起吊使得吊具以横杆为轴回转，直到承托块前部上表面贴合承托到机舱悬挂安装板下层台阶前端下方表面上，同时挡块后侧面紧贴机舱悬挂安装板上端安装孔后侧面，同时压块下端抵接压紧在机舱悬挂安装板下层台阶后端上方表面上，完成连接固定装置和工件的锁死，此时可以平稳起吊，机舱吊运到相应位置后，将吊具前端向下旋转倾斜，即可使得承托块从机舱悬挂安装板上端安装孔内取出，完成吊运过程。所以，采用上述连接固定装置，具有结构简单，安装连接和拆卸均非常方便快捷，且连接锁死固定可靠的优点，保证吊运过程的稳定和安全。 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.
进一步地，所述横杆上沿长度方向设置有滑槽，连接块上具有一滑动部，并靠滑动部可滑动地卡接在滑槽内。这样，当不同型号的机舱，其两个机舱悬挂安装板之间距离尺寸不同时，也可以采用本吊具，只需移动调整连接固定装置在横杆上的距离即可使其能够适用。另外，该结构还等同于可以调整纵杆的左右距离，以调整配重块的左右位置，更好地保证实现吊运过程的平衡。 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.
综上所述，本发明具有结构简单，操作方便快捷，锁死固定效果好，能够保证吊运稳定性和安全性的优点。 To sum up, the present invention has the advantages of simple structure, convenient and fast operation, good locking and fixing effect, and can ensure the stability and safety of lifting.
附图说明 Description of drawings
图1为一种采用了本发明结构的吊具的结构。 Fig. 1 is a kind of structure of the suspender that has adopted the structure of the present invention.
图2为图1所示吊具工作状态示意图。 Fig. 2 is a schematic diagram of the working state of the spreader shown in Fig. 1 .
图3为图2中单独连接固定装置和机舱悬挂安装板配合连接的示意图。 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 .
具体实施方式 detailed description
下面结合一种采用了本发明结构的发动机前置型承载式车身轿车机舱吊具及其附图对本发明作进一步的详细说明。其中方位描述以吊具使用时，机舱所在车辆的方位为基准。同时，所述发动机前置型承载式车身轿车机舱，是指发动机前置型承载式车身轿车的前端驾驶舱下方部位的车架结构，该结构中部具有一空腔形成发动机安装位，故为发动机舱，简称机舱。这种发动机前置型承载式车身轿车机舱中，在发动机安装位后方两侧对应前轮减震弹簧安装位上端位置，各固定设置有一个机舱悬挂安装板，机舱悬挂安装板为顶端中部开孔的整体呈喇叭状的结构，其上端开孔处和下部形成有两层呈水平的台阶以方便安装。发动机前置型承载式车身轿车机舱安装时即靠机舱悬挂安装板顶端的开孔固定在主车架上。 The present invention will be further described in detail below in conjunction with a kind of engine-mounted body car nacelle spreader adopting the structure of the present invention and its 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, the engine compartment of the front-mounted load-bearing car refers to the frame structure at the lower part of the front-end cockpit of the front-engine load-bearing car. There is a cavity in the middle of the structure to form the engine installation position, so it is the engine compartment. , referred to as the cabin. 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.
具体实施时：如图1-3所示，采用了本发明结构的发动机前置型承载式车身轿车机舱吊具，包括一根沿机舱宽度方向设置（左右方向）的横杆1和一根沿机舱长度方向设置（前后方向）的纵杆2，所述横杆1两端长度和机舱左右两端的机舱悬挂安装板3距离匹配，且横杆1两端对应安装有用于和机舱悬挂安装板3连接的连接固定装置，所述纵杆2位于横杆1前方且一端固定连接在横杆1上，纵杆2另一端依次设置有吊环4和配重块5并使得配重块5整体位于横杆1前方靠右位置。 During specific implementation: as shown in Figures 1-3, the engine cabin spreader of the front-mounted load-bearing body car adopting the structure of the present invention includes a horizontal bar 1 arranged along the width direction of the cabin (left and right direction) and a horizontal bar 1 along the Longitudinal bar 2 arranged in the length direction of the nacelle (front and rear direction), the length of both ends of the cross bar 1 matches the distance between the cabin suspension mounting plates 3 at the left and right ends of the nacelle, and the two ends of the cross bar 1 are correspondingly installed with the nacelle suspension mounting plates 3 The connected connection and fixing device, the vertical bar 2 is located in front of the horizontal bar 1 and one end is fixedly connected to the horizontal bar 1, and the other end of the vertical bar 2 is provided with a suspension ring 4 and a counterweight 5 in sequence so that the counterweight 5 is located on the horizontal bar as a whole. Rod 1 front to the right position.
这样，上述吊具使用时，靠横杆两端的连接固定装置完成和机舱悬挂安装板的连接，然后靠配重块位于机舱发动机安装位上方以保证机舱和吊具的整体平衡，即可完成起吊。这样，只需机舱悬挂安装板两个连接点，由于机舱悬挂安装板自身是用于机舱的安装固定，构件具有强度大的特点，故作为吊点能够用于悬挂完成起吊，能够保证安全。这样只需两个吊点，起吊操作更加简单方便快捷，提高了工作效率。 In this way, when the above-mentioned sling is used, 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 installation position of the engine in the nacelle to ensure the overall balance of the nacelle and the sling. . 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.
其中，所述纵杆2水平垂直固定连接在横杆1中部靠右位置，所述配重块5可滑动地套设在纵杆2上，配重块5上还旋接有配重块固定螺栓6，所述配重块固定螺栓6穿过配重块5并能够将其旋紧固定在纵杆2上。 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 .
这样，起吊前，可以根据实际情况，前后移动调整配重块的位置，更好地保证起吊平衡，调整后配重块可以靠固定螺栓旋紧固定，起吊过程中不会产生移动，保证起吊过程的平稳。具体实施时，所述纵杆也可以是水平固定连接在横杆中部附近且向右倾斜设置，同样能够方便调整整体重心平衡。 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.
其中，所述吊环4下端通过一个抱箍7紧固连接在纵杆2上。 Wherein, the lower end of the suspension ring 4 is fastened to the vertical rod 2 through a hoop 7 .
这样，起吊前根据实际情况，还可以通过移动抱箍调整吊环的前后位置，更好地保证起吊平衡，抱箍位置确定后能够调整抱紧纵杆实现固定。具体实施时，所述纵杆前端还垂直连接固定有一个限位螺栓，以防止配重块向前滑出纵杆。 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.
其中，所述连接固定装置包括连接在横杆1上的连接块8，连接块8下表面前端向下延伸形成一能够插入到机舱悬挂安装板上端安装孔内的挡块9，挡块9前端向前延伸形成一承托块10，挡块9后侧面到承托块10前端距离尺寸和机舱悬挂安装板3上端安装孔后侧面到机舱悬挂安装板下层台阶前端的距离匹配，使得挡块9后侧面紧贴机舱悬挂安装板上端安装孔后侧面向下插入后，承托块10前部上表面能够贴合承托到机舱悬挂安装板下层台阶前端下方表面上，所述挡块9后端具有向下延伸的压块11，压块11到挡块后侧面距离和机舱悬挂安装板上端安装孔后侧面到机舱悬挂安装板下层台阶后端的距离匹配，使得挡块9后侧面紧贴机舱悬挂安装板上端安装孔后侧面向下插入后，压块11下端能够抵接压紧在机舱悬挂安装板下层台阶后端上方表面上。 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.
这样，采用连接固定装置完成和机舱悬挂安装板的连接时，只需将吊具向前下方倾斜，使得对应的承托块插入到机舱悬挂安装板上端安装孔内，至挡块也插入到安装孔内，慢慢起吊使得吊具以横杆为轴回转，直到承托块前部上表面贴合承托到机舱悬挂安装板下层台阶前端下方表面上，同时挡块后侧面紧贴机舱悬挂安装板上端安装孔后侧面，同时压块下端抵接压紧在机舱悬挂安装板下层台阶后端上方表面上，完成连接固定装置和工件的锁死，此时可以平稳起吊，机舱吊运到相应位置后，将吊具前端向下旋转倾斜，即可使得承托块从机舱悬挂安装板上端安装孔内取出，完成吊运过程。所以，采用上述连接固定装置，具有结构简单，安装连接和拆卸均非常方便快捷，且连接锁死固定可靠的优点，保证吊运过程的稳定和安全。 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.
其中，所述横杆1上沿长度方向设置有滑槽，连接块8上具有一滑动部12，并靠滑动部12可滑动地卡接在滑槽内。这样，当不同型号的机舱，其两个机舱悬挂安装板之间距离尺寸不同时，也可以采用本吊具，只需移动调整连接固定装置在横杆上的距离即可使其能够适用。另外，该结构还等同于可以调整纵杆的左右距离，以调整配重块的左右位置，更好地保证实现吊运过程的平衡。另外，具体实施时，连接块8上还可以进一步设置紧固螺钉，用于将连接块调整移动后锁紧固定在横杆上。 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.
故上述吊具具有操作简单方便快捷，工作效率高，安全性好等优点。 Therefore, the above-mentioned spreader has the advantages of simple and convenient operation, high work efficiency, good safety and the like.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510199354.8A CN104803275B (en) | 2015-04-24 | 2015-04-24 | Lifting point connection structure of car cabin lifting appliance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2614194B2 (en) * | 1994-08-16 | 1997-05-28 | 象印チエンブロック株式会社 | Shackle |
| JPH10218551A (en) * | 1997-02-12 | 1998-08-18 | Super Tool:Kk | Lifting hook device |
| CN102992168A (en) * | 2011-09-15 | 2013-03-27 | 上海科轻起重机有限公司 | Crane variable-distance spreader |
| CN103693550B (en) * | 2013-12-20 | 2016-07-20 | 力帆实业(集团)股份有限公司 | Vehicle side reversal hanger |
| CN203767835U (en) * | 2014-03-06 | 2014-08-13 | 力帆实业(集团)股份有限公司 | Automobile engine bin longitudinal beam lifting appliance |
| CN204607374U (en) * | 2015-04-24 | 2015-09-02 | 力帆实业(集团)股份有限公司 | A kind of car cabin suspender suspension centre connection structure |
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