CN210090178U - Tensile strength detection device of dust collector connecting shaft assembly - Google Patents

Abstract

A tensile strength detection device of a dust collector connecting shaft assembly comprises a cylinder, a first layer plate, a display, a guide pipe, a second layer plate, a guide block, a clamp, a rotating disc, a third layer plate and a support. The bracket is provided with a third layer plate, the upper end surface of the third layer plate is vertically connected with four guide pipes, and the guide pipes are upwards connected with a second layer plate and a first layer plate. Arrange the connecting axle subassembly in anchor clamps and remove between the subassembly, connecting axle subassembly upper end and removal subassembly go up the connecting block hole groove and be connected fixedly, then the drive removes the subassembly and makes it keep away from anchor clamps, and the pulling force that the connecting axle subassembly received increases gradually, rotates about the rolling disc simultaneously, detects and removes whether the subassembly joint activity is good, and the device degree of automation is high, and is easy and simple to handle, promotes production efficiency.

Description

A tensile strength detection device of a vacuum cleaner connecting shaft assembly

technical field

The utility model relates to the technical field of vacuum cleaner connecting shaft parts, in particular to a tensile strength detection device of a vacuum cleaner connecting shaft assembly.

Background technique

The vacuum cleaner connecting shaft assembly is connected by a vertical part and a horizontal part to form a shape similar to a tee. The upper end of the vertical part is connected to a pipe (the retractable elastic protrusion of the vacuum cleaner pipe is clamped into the hole groove of the vertical part), and the horizontal part is connected to the ground. The brush is connected and can be rotated relative to the vertical part. During the cleaning process in life, the connecting shaft assembly has been used for many times. Due to the force on the cross-section of the plastic part, the surface damage caused by the product is scrapped and the whole vacuum cleaner is reduced. service life.

In the process of material testing, tensile test and compression test are generally required. The existing tensile testing machine has complex mechanical structure, high drive control precision, and high procurement, use and maintenance costs. It is not suitable for products or products. Simple tensile test of components.

Chery Wanda Guizhou Bus Co., Ltd. applied for "a simple tension detection device" (authorized publication number CN 208443657 U) on August 3, 2018, which includes a base, a cylinder and a tension gauge, and is fixed above one end of the base with a Tensile force meter, a cylinder is fixed above the other end of the base, one end of the tensiometer is connected with a connector, one end of the air cylinder is connected with a connector two, and two symmetrical clamps are respectively provided on both ends of the slide rail, and the clamps are respectively connected with the connector. One is connected with connector two. The tensile force detection device with simple structure and convenient use can be used in conjunction with the tensile force meter to quickly fix the fixture to be tested and facilitate the measurement of the tensile force. However, the fixing of the measuring piece depends on the adjustment of manual tightening screws, and human factors may reduce the tensile force test. accuracy. In the production and assembly process of the electric strut products for the automatic opening and closing of the car tailgate, most of the accessories, such as the fixed head, need to detect whether the tensile force reaches the target value.

For the conventional detection of electric strut tension, manual detection of tension is mainly used, the detection data accuracy is low, and the detection efficiency is low. ” (authorized publication number CN 208443657 U), including: worktable, fixed block, sliding block, slide rail and tension detection element; slide rail and fixed block are fixed on the worktable, and the slide block can be slidably arranged in the slide rail and It can move in the direction close to or away from the positioning block; the tension detection element is connected with the fixed block to detect the tension of the electric strut. The testing equipment has a high degree of automation and is easy to operate, which can reduce the fatigue of work and completely replace manual work. However, the slider is connected to the driving mechanism and is driven by the pulse signal of the servo motor. The uneven force on the strut will affect the measurement of the tensile force. precision. Therefore, there is a need for a new tensile force detection device for a vacuum cleaner connecting shaft assembly to solve these problems.

Utility model content

The purpose of this utility model is to aim at the deficiencies of the above-mentioned prior art, to provide a tensile strength detection device of a vacuum cleaner connecting shaft assembly, the connecting shaft assembly is placed between the clamp and the moving assembly, and the upper end of the connecting shaft assembly is connected to the moving assembly. The block hole and groove are connected and fixed, and then the moving component is driven to keep it away from the fixture. The pulling force of the connecting shaft component increases gradually, and the rotating plate rotates left and right at the same time to detect whether the joint movement of the moving component is good. The device has a high degree of automation, easy operation, and promotes production. efficiency.

The purpose of this utility model is to realize through the following technical solutions:

A tensile strength detection device of a vacuum cleaner connecting shaft assembly, characterized in that it includes a cylinder, a horizontally arranged first layer, a tension gauge, a display connected to the tension gauge, four guide pipes, a second layer, and a rotating disk , bracket; the top of the bracket is horizontally provided with a third layer board, one end of the four guide pipes is fixedly connected to the first layer plate, and the other end is fixedly connected to the third layer plate, and the second layer plate is horizontally placed between the first and third layers, and are slidably connected with four guide pipes; the cylinder is fixed on the first layer, and its output shaft is connected with the tension gauge, and the tension gauge is fixedly connected with the second layer, The bottom of the second layer is provided with a moving assembly for fixing the test piece, the rotating disk is mounted on the third layer, and a fixture for clamping the test piece is arranged on the third layer, and the bottom of the third layer is provided with a clamp. There is a driving motor, and its motor shaft is drivingly connected with the rotating disk.

Preferably, the moving assembly includes a fixing block connected with the second layer board, and a connecting block connected with the fixing block, and the connecting block is provided with a retractable elastic protruding head, which can be tightly connected with the test piece.

Preferably, the drive motor is installed on the bottom of the third layer board through a support plate, and a second pulley is installed on the drive motor shaft; the bottom of the rotating disk is provided with a connecting rod, and the bottom end of the connecting rod is fixed on the support plate, A rotating rod is sleeved on the connecting rod, a first pulley is installed on the rotating rod, and the first pulley and the second pulley are connected by a belt.

Preferably, the moving assembly is further provided with a test block, the turntable is provided with a conduction block, and an alarm light is provided on the conduction block, and the test block can form a closed-loop circuit through the test piece and the conduction block, The conductivity of the test piece can be detected.

Preferably, the display is arranged on the first layer board for displaying tensile force data.

Preferably, the clamp is two parallel vertical plates with arc-shaped grooves.

The beneficial effects of the present utility model are:

1. When in use, place the connecting shaft assembly (ie the test piece) between the fixture and the moving assembly, the upper end of the vertical part of the connecting shaft assembly is sleeved on the connecting block of the moving assembly, and the elastic convex head on the connecting block is snapped into the connection. The two ends of the horizontal part of the connecting shaft assembly are respectively clamped into the arc-shaped grooves of the corresponding vertical plates; and then the moving assembly is driven to keep it away from the fixture, and the pulling force of the connecting shaft assembly gradually increases, and at the same time Drive the rotating plate to rotate left and right to detect whether the joint movement of the connecting shaft assembly is good. The device has a high degree of automation, is easy to operate, and promotes production efficiency;

2. The test block on the connecting shaft assembly, the moving assembly and the conduction block on the rotating disk form a closed-loop circuit, and the electrical conductivity of the test piece can be detected at the same time as the tensile force of the test piece.

Description of drawings

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

Fig. 2 is the front view of the utility model;

3 is a schematic diagram of a moving assembly in the present invention;

Figure 4 is a side view of the utility model working state;

In the figure: cylinder 1, first layer board 2, display 3, guide tube 4, second layer plate 5, conduction block 6, clamp 7, rotating disk 8, third layer plate 9, bracket 10, tension gauge 11, Moving assembly 13, first pulley 14, belt 15, rotating rod 16, connecting rod 17, drive motor 18, second pulley 19, fixed block 20, test block 21, connecting block 22, elastic boss 23, arc Slot 24, connecting shaft assembly 25.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. As shown in Figures 1-3, a tensile strength detection device for a vacuum cleaner connecting shaft assembly includes a cylinder 1, a first layer board 2, and a display 3 , Guide tube 4 , second layer board 5 , conduction block 6 , clamp 7 , rotating disk 8 , third layer board 9 , bracket 10 . The bracket 10 is provided with a third layer board 9 , the upper end surface of the third layer plate 9 is vertically connected with four guide tubes 4 , and the guide tubes 4 are connected upward with the second layer plate 5 and the first layer plate 2 .

The cylinder 1 is arranged on the first layer board 2, the execution end (output shaft) of the cylinder 1 passes through the first layer plate 2, and is connected with the tension gauge 11 arranged under the first layer plate 2, and the tension gauge 11 is vertically arranged on the first layer plate 2. Between the first layer board 2 and the second layer board 5 , the tension gauge 11 is connected downward to the second layer board 5 . The cylinder 1 lifts the second layer plate 5 upwards within the set pulling force range, and the second layer plate 5 mainly plays a guiding role under the connection of the guide tube 4 .

The lower end surface of the second layer board 5 is provided with a moving assembly 13, including a fixed block 20, a test block 21, and a connecting block 22. The fixed block 20 is installed with the second layer board 5, and the lower end of the fixed block 20 is provided with a cylindrical connecting block 22. The connecting block is inclined to be installed with the test piece easily; the connecting block is provided with a retractable elastic convex head 23, the upper end of the connecting shaft assembly is sleeved on the connecting block, and the elastic convex head is clamped into the hole groove of the connecting shaft assembly.

A set of clamps 7 are arranged vertically below the moving assembly 13. The clamps are composed of two vertical plates placed in parallel with an arc groove 24. The horizontal part of the connecting shaft assembly is clamped into the arc groove, and the vertical part is connected to the moving part The connection blocks of the components are connected to finally fix the test piece. The fixture 7 is arranged on the rotating plate 8, and the rotating plate 8 is independently provided with a conduction block 6, which is equipped with an alarm light, which is convenient for testing the continuity of the electrical plug of the test piece. The line on the connecting shaft assembly for connecting with the vacuum cleaner nozzle is electrically connected to the test block 21, and the line on the connecting shaft assembly for connecting with the floor brush is electrically connected with the conduction block, if the connecting shaft assembly is powered on, the alarm light is on.

The rotating plate 8 is arranged on the third layer board 9, the rotating plate 8 is connected downward to the connecting rod 17, the bottom end of the connecting rod 17 is fixed on the support plate, and the connecting rod 17 is sleeved with a rotating rod 16, and the rotating rod 16 is close to the first. The first pulley 14 is installed at the position of the three-layer board 9 . The first pulley 14 is provided with a drive motor 18 in a parallel position, the drive motor 18 is connected with a coupling, and a second pulley 19 is mounted on it. The pulse signal line of the driving motor 18 can realize the bidirectional rotation of the rotating rod 16 through the different rotation of the belt 15, and cooperate with the clamp 7 on the rotating plate 8 to easily detect whether the joint of the coupling assembly is movable. The display 3 is arranged on the first layer board 2 for displaying tensile force data.

When in use, place the connecting shaft assembly (ie the test piece) between the fixture and the moving assembly, the upper end of the vertical part of the connecting shaft assembly is sleeved on the cylindrical connecting block of the moving assembly, and the elastic protruding head on the connecting block is clamped into The two ends of the horizontal part of the connecting shaft assembly are respectively clamped into the arc-shaped grooves of the corresponding vertical plate; and then the moving assembly is driven to keep it away from the fixture, and the pulling force of the connecting shaft assembly increases gradually. At the same time, the rotating disc is driven to rotate left and right to detect whether the joint movement of the connecting shaft assembly is good.

Claims (4)

1. A tensile strength detection device for a vacuum cleaner connecting shaft assembly, characterized in that it comprises a cylinder (1), a horizontally arranged first layer board (2), a tension gauge (11), and a display (3) connected to the tension gauge ), four guide tubes (4), a second layer board (5), a rotating disk (8), a bracket (10); the top of the bracket is horizontally provided with a third layer plate (9), one end of the four guide tubes They are respectively fixedly connected with the first layer board, and the other end is respectively fixedly connected with the third layer board. The cylinder is fixed on the first layer board, and its output shaft is connected with the tension gauge, the tension meter is fixedly connected with the second layer plate, and the bottom of the second layer plate is provided with a moving assembly (13) for fixing the test piece, The rotating disk is mounted on the third layer board, on which is provided a clamp (7) for clamping the test piece, and the bottom of the third layer plate is provided with a driving motor (18), the motor shaft of which is drivingly connected to the rotating disk . 2 . The tensile strength detection device of a vacuum cleaner connecting shaft assembly according to claim 1 , wherein the moving assembly comprises a fixed block (20) connected with the second layer board, and a connection connected with the fixed block. 3 . A block (22), the connecting block is provided with a retractable elastic boss (23), which can be tightly connected with the test piece. 3 . The tensile strength detection device of a vacuum cleaner connecting shaft assembly according to claim 1 , wherein the drive motor is installed on the bottom of the third layer board through a support plate, and a second belt is installed on the drive motor shaft. 4 . A wheel (19); a connecting rod (17) is provided at the bottom of the rotating disc, the bottom end of the connecting rod is fixed on the support plate, a rotating rod (16) is sleeved on the connecting rod, and a first pulley (14) is installed on the rotating rod ), the first pulley and the second pulley are connected by a belt (15). 4. The device for testing the tensile strength of a vacuum cleaner connecting shaft assembly according to claim 3, wherein the moving assembly is further provided with a test block (21), and the rotating disk is provided with a conducting block (6), an alarm light is provided on the conduction block, the test block can form a closed-loop circuit through the test piece and the conduction block, and the conductivity of the test piece can be detected.

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