CN217359025U - Luggage rack strength test tool - Google Patents

Abstract

The utility model discloses a luggage rack strength test jig in the technical field of luggage rack strength test, which comprises a jig base, a chute is arranged at the top of the jig base, a bidirectional lead screw is arranged in the chute, one end of the bidirectional lead screw is connected with a bearing arranged on the left side wall in the chute, sliders are sleeved on the left and right outer walls of the bidirectional lead screw, hydraulic rods are arranged at the tops of two groups of sliders, fixed plates are arranged at the tops of two groups of hydraulic rods, cavities are arranged in the two groups of fixed plates, an adjusting mechanism is arranged in the two groups of cavities, two groups of fixed plates are provided with two groups of fixed frames through opposite side walls in a sliding connection, and clamping mechanisms are arranged in the fixed frames. The intensity to the luggage rack that can be better is experimental, improves the practicality of tool.

Description

A luggage rack strength test fixture

technical field

The utility model relates to the technical field of luggage rack strength testing, in particular to a luggage rack strength testing fixture.

Background technique

The car luggage rack is a component mounted on the roof, which has the function of carrying heavy objects such as luggage. Generally, the main engine factory will put forward a series of requirements on the strength of the luggage rack. After the car luggage rack is processed, it needs to be tested for strength. , to ensure the safety of use.

When carrying out the strength test of the luggage rack, it is necessary to use a fixture to fix the luggage rack to simulate the environment of the luggage rack on the roof of the car, which can better perform the strength test of the luggage rack and improve the test effect. The fixture cannot fix luggage racks of different sizes, which reduces the practicability of the fixture.

Utility model content

The purpose of this utility model is to provide a luggage rack strength test fixture to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a luggage rack strength test fixture, comprising a fixture base, a chute is provided on the top of the fixture base, and a bidirectional screw rod is arranged in the chute, so One end of the two-way screw rod is connected to the bearing provided on the left side wall of the chute, the other end of the two-way screw rod penetrates the inner right side wall of the chute and is connected to the rotating plate provided outside, and the left and right outer walls of the two-way screw rod are connected. Both sets of sliding blocks are sleeved, the tops of the two sets of slide blocks are provided with hydraulic rods, the tops of the two sets of hydraulic rods are provided with fixed plates, and the interior of the two sets of fixed boards are provided with cavities. An adjustment mechanism is arranged in the cavity, and two sets of fixing frames are slidably connected to the opposite side walls of the two sets of fixing plates, and a clamping mechanism is arranged in the fixing frames.

Further, the clamping mechanism includes a clamping plate slidably connected in the fixing frame, a rubber gasket is arranged at the inner bottom of the installation frame, a rack is provided through the top of the fixing frame, and the bottom of the rack is connected to the bottom of the fixing frame. The top of the clamping plate is connected with each other, the top of the fixing frame is provided with a mounting plate, the inner left side wall of the mounting plate is connected with a rotating shaft through a bearing, the right side wall of the mounting plate is provided with a motor, and the output end of the motor passes through The left side wall of the mounting plate is connected with one end of the rotating shaft, and the outer wall of the rotating shaft is sleeved and installed with a gear that meshes with the rack.

Further, the inner left side wall of the mounting frame is provided with a limit groove, and the left side wall of the clamping plate is provided with a limit block matched with the limit groove.

Further, the adjustment mechanism includes a connecting plate provided in the cavity, the bottom of the connecting plate is connected with the bottom of the cavity, and the front and rear side walls of the connecting plate are provided with electric telescopic rods. One end of the rod is provided with a sliding block, the right side walls of the two sets of sliding blocks are provided with mounting blocks, and the right side wall of the mounting blocks is connected with the left side wall of the mounting frame.

Further, the right side wall of the fixing plate is provided with a sliding groove, and the mounting block is slidably connected with the sliding groove.

Further, the inner bottom of the sliding groove is provided with a guiding groove, and the bottoms of the two sets of sliding blocks are provided with guiding blocks matching the guiding grooves.

Further, the mounting bracket and the mounting plate are both arranged in a U shape.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model can drive the clamping mechanism to move under the action of the rotating plate, the bidirectional screw rod and the slider, and at the same time, under the action of the hydraulic rod, the height of the clamping mechanism can be adjusted, and the luggage racks of different sizes can be adjusted. Clamping and fixing can better test the strength of the luggage rack and improve the practicability of the fixture.

2. The utility model can adjust the distance between the clamping mechanisms under the action of the adjusting mechanism, so that different positions of the luggage rack can be clamped and fixed according to the needs, so as to ensure the stability of the luggage rack fixed on the fixture base. Improve the effect of strength test.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic structural diagram of the clamping mechanism of the present invention.

In the figure: 1. Fixture base; 2. Rotating plate; 3. Two-way screw; 4. Slider; 5. Hydraulic rod; 6. Chute; 7. Fixing plate; 8. Cavity; 9. Fixing frame; 10, clamping mechanism; 100, rack; 101, gear; 102, shaft; 103, motor; 104, mounting plate; 105, clamping plate; 106, rubber gasket; 11, adjusting mechanism; 110, sliding groove; 111, connecting plate; 112, electric telescopic rod; 113, sliding block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1:

Please refer to FIG. 1 , the present utility model provides a technical solution: a luggage rack strength test jig, comprising a jig base 1 , a chute 6 is opened on the top of the jig base 1 , and a bidirectional screw rod 3 is arranged in the chute 6 One end of the two-way screw rod 3 is connected with the bearing provided on the left side wall of the chute 6, and the other end of the two-way screw rod 3 penetrates the inner right side wall of the chute 6 and is connected with the rotating plate 2 provided outside, and the two-way screw rod 3 The left and right outer walls are sleeved with sliders 4, the inner bottom of the chute 6 is provided with a guide groove, and the bottoms of the two sets of sliders 4 are provided with guide blocks that match the guide grooves. The block 4 moves more stably on the outer wall of the two-way screw 3. The top of the two sets of sliders 4 is provided with a hydraulic rod 5, the top of the two sets of hydraulic rods 5 is provided with a fixed plate 7, and the interior of the two sets of fixed plates 7 is provided with a cavity 8. An adjustment mechanism 11 is arranged in the cavity 8 , and two sets of fixing brackets 9 are slidably connected to the opposite side walls of the two sets of fixing plates 7 .

Please refer to FIG. 2 , the clamping mechanism 10 includes a clamping plate 105 which is slidably connected in the fixing frame 9 , a limiting groove is defined on the left side wall of the mounting frame 9 , and a left side wall of the clamping plate 105 is provided with a limiting groove corresponding to the limiting groove. The matching limit block makes the clamping plate 105 move up and down more stably under the action of the limit groove and the limit block. The inner bottom of the mounting frame 9 is provided with a rubber gasket 106, and the top of the fixing frame 9 is provided with a rack 100. The bottom of the rack 100 is connected with the top of the clamping plate 105, the top of the fixing frame 9 is provided with a mounting plate 104, the mounting plate 104 is arranged in a U shape, the inner left side wall of the mounting plate 104 is connected with a rotating shaft 102 through a bearing, and the mounting plate 104 The right side wall is provided with a motor 103 , and the output end of the motor 103 penetrates the left side wall of the mounting plate 104 and is connected to one end of the rotating shaft 102 .

Please refer to FIG. 1 , the adjusting mechanism 11 includes a connecting plate 111 provided in the cavity 8 , the bottom of the connecting plate 111 is connected with the bottom of the cavity 8 , and the front and rear side walls of the connecting plate 111 are provided with electric telescopic rods 112 . One end of the telescopic rod 112 is provided with a sliding block 113, and the right side walls of the two sets of sliding blocks 113 are provided with mounting blocks. Under the action of the slot 110 , the movement of the installation block is made more stable, and the right side wall of the installation block is connected with the left side wall of the installation frame 9 .

Working principle: place the luggage rack on the fixture base 1, drive the fixed plate 7 to move downward under the action of the hydraulic rod 5, so that the fixed rack 9 and the upper bracket of the luggage rack are on the same plane, and then rotate the rotating plate 2 to drive the two-way The screw 3 rotates so that the slider 4 moves relatively on the outer wall of the two-way screw 3, thereby driving the fixing frame 9 to move relatively, so that the upper bracket of the luggage rack is clamped into the fixing frame 9, and then the hydraulic rod 5 drives the fixing plate 7 upward Move, make the rubber gasket 106 contact the upper bracket of the luggage rack, and then drive the rotating shaft 102 to rotate under the action of the motor 103, the rotating shaft 102 drives the gear 101 to rotate, and the gear 101 drives the rack 100 to move down, so that the teeth 100 drive The clamping plate 105 moves downward to clamp the upper bracket of the luggage rack, so that the external testing machine can perform a strength test on the luggage rack.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A luggage rack strength test fixture, comprising a fixture base (1), characterized in that: the top of the fixture base (1) is provided with a chute (6), and the chute (6) is provided with A two-way screw (3), one end of the two-way screw (3) is connected with a bearing provided on the left side wall of the chute (6), and the other end of the two-way screw (3) penetrates through the chute (6) The right side wall is connected with a rotating plate (2) provided outside, the left and right outer walls of the two-way screw (3) are sleeved with sliding blocks (4), and the tops of the two sets of the sliding blocks (4) are provided with hydraulic pressure Rod (5), two sets of hydraulic rods (5) are provided with fixed plates (7) at the top, and two sets of said fixed plates (7) are provided with cavities (8) inside, and two sets of said cavities (8) ) is provided with an adjustment mechanism (11), two sets of fixing frames (9) are provided in sliding connection with the opposite side walls of the two sets of the fixing plates (7), and a clamping mechanism (9) is arranged in the fixing frame (9). 10). 2. A luggage rack strength test fixture according to claim 1, characterized in that: the clamping mechanism (10) comprises a clamping plate (105) slidably connected in the fixing frame (9), so A rubber gasket (106) is arranged at the inner bottom of the fixing frame (9), a rack (100) is provided through the top of the fixing frame (9), and the bottom of the rack (100) is connected to the top of the clamping plate (105). Connected, the top of the fixing frame (9) is provided with a mounting plate (104), the inner left side wall of the mounting plate (104) is connected with a rotating shaft (102) through a bearing, and the right side of the mounting plate (104) The wall is provided with a motor (103), the output end of the motor (103) penetrates through the left side wall of the mounting plate (104) and is connected to one end of the rotating shaft (102), and the outer wall of the rotating shaft (102) is sleeved and installed with a rack (102). 100) meshing gears (101). 3. A luggage rack strength test fixture according to claim 2, characterized in that: a limit groove is provided on the left side wall of the fixing frame (9), and a left side wall of the clamping plate (105) is provided with a limit groove. There are limit blocks that match the limit slots. 4. A luggage rack strength test fixture according to claim 1, characterized in that: the adjustment mechanism (11) comprises a connecting plate (111) provided in the cavity (8), and the connecting plate ( 111) The bottom is connected with the inner bottom of the cavity (8), the front and rear side walls of the connecting plate (111) are provided with electric telescopic rods (112), and two sets of the electric telescopic rods (112) are provided with a sliding block at one end at one end (113), the right side walls of the two sets of sliding blocks (113) are provided with mounting blocks, and the right side walls of the mounting blocks are connected with the left side wall of the fixing frame (9). 5. A luggage rack strength test fixture according to claim 4, characterized in that: a sliding groove (110) is provided on the right side wall of the fixing plate (7), and a sliding groove (110) is formed between the mounting block and the sliding groove (110). Slide to connect. 6. A luggage rack strength test fixture according to claim 1, characterized in that: the inner bottom of the chute (6) is provided with a guide groove, and the bottoms of the two sets of the sliders (4) are provided with Guide blocks that match the guide grooves. 7. A luggage rack strength test fixture according to claim 1, characterized in that both the fixing frame (9) and the mounting plate (104) are arranged in a U shape.

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