Heavy-duty car door split-assembling lifting appliance

Abstract

The utility model relates to a heavy-duty car door split-assembling lifting appliance which comprises a main frame of a frame-shaped structure, an upper positioning supporting plate and a lower positioning supporting plate are arranged on the lower portion of one side of the main frame from top to bottom in parallel, and auxiliary frame assemblies are hinged between the upper positioning supporting plate and the lower positioning supporting plate and are symmetrically arranged along the end face of the main frame. The auxiliary frame assembly comprises a rotating rod, an upper pivot, a lower pivot, a first transverse rod, a second transverse rod and a vertical rod. One or more groups of supporting legs are mounted on the second cross rods; one or more groups of first limiting wheels are vertically mounted on the first cross rod in the length direction; one or more groups of second limiting wheels are arranged on the vertical rod in the height direction; a locking assembly is further arranged at the end, close to the rotating rod, of the first transverse rod. According to the heavy-duty car door split-assembling lifting appliance, efficient and stable line-following assembling of heavy-duty car doors can be achieved, the heavy-duty car door split-assembling lifting appliance is suitable for split-assembling of various heavy-duty car doors, and the using efficiency and using convenience of the whole split-assembling lifting appliance are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slings, in particular to a heavy-duty vehicle door subassembly sling. Background Art

[0002] With the continuous development of society, heavy-duty vehicles have been widely used. In the production process of heavy-duty vehicles, it is usually necessary to lift and sub-assemble the doors. At present, sub-assembly slings are used for lifting heavy-duty vehicle doors. The introduction of sub-assembly slings can greatly improve the overall installation efficiency of heavy-duty vehicle doors; however, it has been found in the long-term use process that the existing sub-assembly slings can only be used for a single model of heavy-duty vehicle doors, with poor adaptability and overall poor stability. There are also great hidden dangers in sub-assembly and installation, which brings great inconvenience to people's production and use. Summary of the invention

[0003] The technical problem to be solved by the utility model is: in order to solve the problems existing in the above-mentioned background technology, a heavy-duty automobile door sub-assembly hanger is provided, which can realize the efficient and stable on-line assembly of heavy-duty automobile doors, is suitable for the sub-assembly of various heavy-duty automobile doors, improves the overall efficiency and convenience of the sub-assembly hanger, and is convenient for wide promotion and use.

[0004] The utility model solves the technical problem by adopting the following technical scheme: a heavy-duty vehicle door subassembly hanger comprises a main frame of a frame-shaped structure, an upper positioning support plate and a lower positioning support plate are respectively arranged in parallel from top to bottom on the lower part of one side of the main frame, a sub-frame assembly is hinged between the upper positioning support plate and the lower positioning support plate, and the sub-frame assembly is symmetrically arranged along the end surface of the main frame; the sub-frame assembly comprises a rotating rod, an upper pivot, a lower pivot, a first cross bar, a second cross bar and a vertical rod; the first cross bar and the second cross bar are arranged in parallel up and down, and one end of the first cross bar is connected to the second cross bar One end of the rod is connected by a vertically arranged rotating rod, the upper end of the rotating rod is sleeved on the upper positioning support plate through an upper pivot, and the lower end of the rotating rod is sleeved on the lower positioning support plate through a lower pivot; the other end of the first cross bar is connected to the other end of the second cross bar through a vertical rod; one or more groups of legs are installed on the second cross bar; one or more groups of first limiting wheels are vertically installed on the first cross bar along the length direction; one or more groups of second limiting wheels are arranged on the vertical rod in the height direction; a locking assembly is also arranged on the first cross bar near one end of the rotating rod.

[0005] It is further defined that in the above technical scheme, the locking assembly includes a clamping frame, a locking rubber wheel, a first side plate, a second side plate, a pin shaft, a torsion spring, a stop rod, a clamping handle, a locking rack, a long rack, a slide rail and a slider; the clamping frame is fixed on the first cross bar, the first side plate and the second side plate are spaced apart, the pin shaft is vertically passed through the first side plate and the second side plate, the torsion spring is sleeved on the pin shaft, and the stop rod is vertically arranged on the ends of the torsion spring on the first side plate and the second side plate relative to each other, one end of the clamping handle is hinged on the pin shaft, one side of the clamping handle is fixed with a locking rack, the locking rack is meshed with the long rack, the long rack is fixedly installed on the upper part of the clamping frame, the slide rail is parallelly arranged at the lower part of the long rack, the slider is slidably arranged on the slide rail, and one side of the slider is fixed on the clamping frame; such a design can realize the limited fixed lifting of various types of heavy-duty vehicle doors through the free adjustment and locking of the locking assembly.

[0006] It is further defined that in the above technical solution, a positioning plate is also provided at a foot of the lower end of the main frame, and a limit block is also vertically provided on one side of the positioning plate; such a design is to achieve the limitation of the sub-frame assembly during the rotation process to prevent the rotation from overtravel.

[0007] It is further defined that in the above technical solution, a locking hook is vertically arranged on one side of the vertical rod, and a locking rod is vertically arranged at a relative position on the main frame; the sub-frame assembly is fixed by fastening the locking rod with the locking hook; such a design is to achieve locking and fixation of the sub-frame assembly and the main frame.

[0008] It is further defined that, in the above technical solution, the support leg is a support block structure with a groove, and one side of the support leg is fixedly mounted on the second cross bar; such a design can achieve position-limited support of the support leg on the bottom of the vehicle door.

[0009] It is further defined that in the above technical solution, a balance bar is vertically installed on the top of the upper end of the main frame, and balance wheels are installed on both ends of the balance bar.

[0010] It is further defined that, in the above technical solution, a limit column is provided at the end of the slide rail; this can effectively prevent the slide block from derailing due to overtravel operation.

[0011] It is further defined that in the above technical solution, a guide frame is also vertically arranged at the lower end of the main frame, and the guide frame is symmetrically arranged along the end surface direction of the main frame; this can effectively guide the bottom of the sub-frame assembly.

[0012] The beneficial effects of the utility model are as follows: the heavy-duty automobile door subassembly hanger proposed by the utility model can realize efficient and stable on-line assembly of heavy-duty automobile doors, is suitable for the subassembly of various heavy-duty automobile doors, improves the use efficiency and convenience of the overall subassembly hanger, and is convenient for wide promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model with the auxiliary frame assembly opened;

[0016] Figure 3 This is a schematic diagram of the structure of the utility model for hoisting a heavy-duty vehicle door;

[0017] Figure 4 yes Figure 1 A schematic diagram of the side structure of

[0018] Figure 5 yes Figure 1 A schematic diagram of a top view structure;

[0019] Figure 6 It is a partial structural schematic diagram of the locking assembly in the utility model;

[0020] Figure 7 yes Figure 6 Schematic diagram of the side structure after installing the locking rubber wheel;

[0021] Figure 8 yes Figure 6 Schematic diagram of the top view of the structure after installing the locking rubber wheel.

[0022] The numbers in the accompanying drawings are: 1, main frame, 2, upper positioning support plate, 3, lower positioning support plate, 4, rotating rod, 5, upper pivot, 6, lower pivot, 7, first cross bar, 8, second cross bar, 9, vertical rod, 10, support leg, 11, first limiting wheel, 12, second limiting wheel, 13, clamping frame, 14, locking rubber wheel, 15, first side plate, 16, second side plate, 17, pin shaft, 18, torsion spring, 19, stop rod, 20, clamping handle, 21, locking rack, 22, long rack, 23, slide rail, 24, slider, 25, positioning plate, 26, limiting block, 27, locking hook, 28, locking rod, 29, balancing bar, 30, balancing wheel, 31, limiting column, 32, guide frame, A, heavy-duty vehicle door. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] See Figure 1 and 8 The figure shows a heavy-duty vehicle door subassembly hanger, comprising a main frame 1 of a frame-shaped structure, an upper positioning support plate 2 and a lower positioning support plate 3 are respectively arranged in parallel from top to bottom on the lower part of one side of the main frame 1, a sub-frame assembly is hinged between the upper positioning support plate 2 and the lower positioning support plate 3, and the sub-frame assembly is symmetrically arranged along the end surface of the main frame 1; the sub-frame assembly comprises a rotating rod 4, an upper pivot 5, a lower pivot 6, a first cross bar 7, a second cross bar 8 and a vertical rod 9; the first cross bar 7 and the second cross bar 8 are arranged in parallel up and down, and one end of the first cross bar 7 and one end of the second cross bar 8 are arranged vertically The first cross bar 7 is connected to the rotating rod 4, the upper end of the rotating rod 4 is sleeved on the upper positioning support plate 2 through the upper pivot 6, and the lower end of the rotating rod 4 is sleeved on the lower positioning support plate 3 through the lower pivot 6; the other end of the first cross bar 7 is connected to the other end of the second cross bar 8 through the vertical rod 9; one or more groups of legs 10 are installed on the second cross bar 8; one or more groups of first limiting wheels 11 are vertically installed on the first cross bar 7 along the length direction; one or more groups of second limiting wheels 12 are arranged on the vertical rod 9 along the height direction; a locking assembly is also arranged on the first cross bar 7 near one end of the rotating rod 4.

[0025] The locking assembly includes a clamping frame 13, a locking rubber wheel 14, a first side plate 15, a second side plate 16, a pin 17, a torsion spring 18, a stop rod 19, a clamping handle 20, a locking rack 21, a long rack 22, a slide rail 23 and a slider 24; the clamping frame 13 is fixed on the first cross bar 7, the first side plate 15 and the second side plate 16 are arranged at intervals, the pin 17 is vertically inserted between the first side plate 15 and the second side plate 16, and the torsion spring 18 is sleeved on the pin 17 On the first side plate 15 and the second side plate 16, a stopper 19 is vertically arranged relative to the end of the torsion spring 18, one end of the clamping handle 20 is hinged on the pin 17, one side of the clamping handle 20 is fixed with a locking rack 21, the locking rack 21 is meshed with a long rack 22, the long rack 22 is fixedly mounted on the upper part of the clamping frame 13, the slide rail 23 is parallelly arranged at the lower part of the long rack 22, the slider 24 is movably arranged on the slide rail 23, and one side of the slider 24 is fixed on the clamping frame 13. A positioning plate 25 is also arranged at one foot of the lower end of the main frame 1, and a limit block 26 is vertically arranged on one side of the positioning plate 25. A locking hook 27 is vertically arranged on one side of the vertical rod 9, and a locking rod 28 is vertically arranged at a relative position on the main frame 1; the sub-frame assembly is fixedly clamped by the locking hook 27 holding the locking rod 28. The leg 10 is a support block structure with a groove, and one side of the leg 10 is fixedly mounted on the second cross bar 8. A balance bar 29 is vertically installed at the top of the upper end of the main frame 1, and balance wheels 30 are installed at both ends of the balance bar 29. A limit column 31 is set at the end of the slide rail 23. A guide frame 32 is also vertically set at the lower end of the main frame 1, and the guide frame 32 is symmetrically arranged along the end surface direction of the main frame 1.

[0026] The operating principle of the heavy-duty vehicle door subassembly hanger is as follows:

[0027] First, the operator can choose to disengage the lock hook 27 from the lock rod 28, so that the sub-frame assembly can be relatively rotated outward to open; then the lower end of the heavy-duty vehicle door A is placed in the groove of the support leg 10 to achieve limited support, and then the sub-frame assembly is rotated inward to merge, and finally the lock rod 28 is fastened by the lock hook 27; then the side wall is limited and fixed by multiple groups of first limiting wheels 11 and multiple groups of second limiting wheels 12 respectively; the specific operation is that the first limiting wheel 11 or the second limiting wheel 12 is tightened by bolts against the vehicle The door side wall is positioned; finally, the lateral position is locked by the locking assembly; specifically, the clamping handle 20 is lowered outward to separate the locking rack 21 from the long rack 22; the slider 24 is then manually pushed to move horizontally on the slide rail 23, and when it moves to the corresponding position, the clamping handle 20 is rotated upward to engage the locking position with the long rack 22, and at the same time, the torsion spring 18 can keep the pin 17 in a tightened state and prevent it from rotating, and the torsion spring 18 can be rotated and reset by the blocking rods 19 on both sides.

[0028] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heavy-duty vehicle door assembly hanger, characterized in that: The sprocket wheel of the second end of the sprocket wheel is an upper wheel that is fixed on the sprocket wheel of the third end, and the sprocket wheel is connected with the hook wheel of the third end.

2. A heavy-duty vehicle door assembly and sling according to claim 1, characterized in that: The locking assembly includes a clamping frame, a locking rubber wheel, a first side plate, a second side plate, a pin shaft, a torsion spring, a blocking rod, a clamping handle, a locking rack, a long rack, a slide rail and a slider; the clamping frame is fixed on the first cross bar, the first side plate and the second side plate are spaced apart, the pin shaft is vertically passed through the first side plate and the second side plate, the torsion spring is sleeved on the pin shaft, and blocking rods are vertically arranged on the ends of the torsion springs on the first side plate and the second side plate relative to each other, one end of the clamping handle is hinged on the pin shaft, one side of the clamping handle is fixed with a locking rack, the locking rack is meshed with the long rack, the long rack is fixedly installed on the upper part of the clamping frame, the slide rail is parallelly arranged at the lower part of the long rack, the slider is slidably arranged on the slide rail, and one side of the slider is fixed to the clamping frame.

3. A heavy-duty vehicle door assembly and sling according to claim 1, characterized in that: A positioning plate is also arranged at one foot of the lower end of the main frame, and a limiting block is also vertically arranged at one side of the positioning plate.

4. A heavy-duty vehicle door assembly and sling according to claim 1, characterized in that: A locking hook is vertically arranged on one side of the vertical rod, and a locking rod is vertically arranged at a relative position on the main frame; the sub-frame assembly is fixedly clamped by the locking hook holding the locking rod.

5. A heavy-duty vehicle door assembly and sling according to claim 1, characterized in that: The supporting leg is a supporting block structure with grooves, and one side of the supporting leg is fixedly mounted on the second cross bar.

6. A heavy-duty vehicle door assembly and lifting device according to claim 1, characterized in that: A balancing rod is vertically installed on the top of the upper end of the main frame, and balancing wheels are installed on both ends of the balancing rod.

7. A heavy-duty vehicle door assembly and lifting device according to claim 2, characterized in that: A limiting column is arranged at the end of the slide rail.

8. The heavy-duty vehicle door assembly and lifting device according to claim 1, characterized in that: A guide frame is also vertically arranged at the lower end of the main frame, and the guide frame is symmetrically arranged along the end surface direction of the main frame.

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