Tensile strength testing device for gas spring production

Abstract

The utility model discloses a tensile strength testing device for gas spring production, which comprises a base, a detection component is mounted at the center of the outer wall of the top surface of the base through a bolt, and a limiting component is arranged at the top of the detection component; each limiting assembly comprises a moving seat, a rotating groove is formed in the moving seat, a rotating disc is slidably connected into the rotating groove, a gear ring is installed on the outer wall of one side of the rotating disc through bolts, screw rods distributed in an annular structure at equal intervals are movably installed on the inner wall of the rotating groove through bearings, and gears are installed on the outer walls of the screw rods through bolts. And the outer wall of the screw rod is in threaded connection with a positioning plate. Through the arrangement of a motor, when the motor is started, the motor can drive a meshing wheel and a gear ring to rotate, the gear ring further drives a screw rod to rotate under the action of a gear, and the screw rod is in threaded connection with a positioning plate, so that materials are fixed and limited; the design structure can effectively avoid the problem that the fixing and detection quality of the gas spring is affected due to the poor fixing effect of the gas spring in the existing device.

Description

TECHNICAL FIELD

[0001] The utility model relates to air spring test technical field especially relates to a tensile strength testing device for air spring production. BACKGROUND

[0002] Air spring, also known as gas spring or air pressure spring, is a spring device using gas (usually nitrogen) as elastic medium, which provides elastic force by changing the compression amount of internal gas, and is widely used in automobile, furniture, medical devices and other occasions requiring height adjustment or support force. The characteristics of air spring are large carrying capacity, stable expansion and contraction, and adjustable hardness.

[0003] Chinese patent number: CN21557418 discloses a tensile strength testing device for air spring production, which comprises a first bottom plate, a second bottom plate and a test clamp. The first bottom plate and the second bottom plate are parallelly arranged on the installation plane, and the test clamp is installed on the top surface of the first bottom plate and the second bottom plate. The first bottom plate is provided with fastening bolts for fixing it on the installation plane, and the two sides of the first bottom plate are provided with slide columns. The end of the second bottom plate close to the first bottom plate is fixed with a slide frame, and the slide frame is provided with a sliding long groove which cooperates with the slide column. The inside of the sliding long groove is fixed with a force measuring spring. The slide column can extend into the sliding long groove and connect the free end of the force measuring spring. The slide column can move along the length direction of the sliding long groove, and the end of the slide column extending out of the sliding long groove is fixed by a locking piece. The utility model has the advantages of simple and efficient operation, convenient tensile strength detection.

[0004] The device is commonly used in the market. When in use, it usually directly fixes the air spring by clamping the two sides of the clamping plate. However, due to the limited contact area between the clamping plate and the air spring, the fixing effect of the device on the air spring is significantly reduced during use, which affects the practicality and promotion potential of the device. Therefore, it is urgent to design a tensile strength testing device for air spring production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a tensile strength testing device for air spring production.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A tensile strength testing device for air spring production, comprising a base, a detection assembly is installed on the top surface outer wall center of the base through a bolt, and a limiting assembly is arranged on the top of the detection assembly.

[0008] The limiting assembly comprises a moving seat, a rotating groove is formed in the moving seat, a rotating disc is slidably connected in the rotating groove, a gear ring is installed on one side outer wall of the rotating disc through bolts, equidistantly distributed screw rods in annular structure are movably installed on the inner wall of the rotating groove through bearings, gears are installed on the outer wall of the screw rods through bolts, a positioning plate is threadedly connected on the outer wall of the screw rods, a motor is installed on the top outer wall of the moving seat through bolts, and the output end of the motor is installed with an engaging wheel through a shaft coupling.

[0009] The key idea of the above technical scheme is that when the motor is started, the motor drives the engaging wheel and the gear ring to rotate, the gear ring further drives the screw rod to rotate through the gears, and the screw rod is fixed and limited to the material through the threaded connection with the positioning plate.

[0010] Further, the gear rings are engaged with each other, the engaging wheel is engaged with the gear ring, and the positioning plate is slidably connected to the inside of the moving seat.

[0011] Further, the inner wall of the rotating groove is provided with mounting columns on both sides through bolts, and the inside of the mounting column is slidably connected with a sliding rod.

[0012] Further, the outer wall of the sliding rod on the side close to each other is provided with an extension rod connected with the positioning plate through bolts, and the outer wall groove on the side of the sliding rod inside the mounting column is provided with an infrared range finder through bolts.

[0013] Further, the detection assembly comprises a mounting seat, an installation groove is formed in the inside of the mounting seat, and a tensioner is installed on the inner wall of the bottom surface of the installation groove through bolts.

[0014] Further, a moving groove is formed on the top outer wall of the mounting seat, a bidirectional screw rod is movably installed in the moving groove through a bearing, a servo motor in transmission connection with the bidirectional screw rod is installed on one side outer wall of the mounting seat through bolts, and a moving plate connected with the tensioner is threadedly connected on both ends of the outer wall of the bidirectional screw rod.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. Through the setting of the motor, when the motor is started, the motor drives the engaging wheel and the gear ring to rotate, the gear ring further drives the screw rod to rotate through the gears, and the screw rod is fixed and limited to the material through the threaded connection with the positioning plate.

[0017] 2. Through the servo motor arranged, when starting the servo motor, the servo motor can drive the bidirectional screw to rotate, in the process of rotating the bidirectional screw, through the thread cooperation with the moving plate, the detection and treatment of the gas spring are realized, in addition, through the tensioner arranged, the gas spring strength detection function of the structure is perfected, so that the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure schematic view of a tensile strength testing device for gas spring production is provided for the utility model.

[0019] Figure 2 A moving seat plane structure schematic view of a tensile strength testing device for gas spring production is provided for the utility model.

[0020] Figure 3 An installation seat plane structure schematic view of a tensile strength testing device for gas spring production is provided for the utility model.

[0021] Figure 4 An installation column and slide column plane structure schematic view of a tensile strength testing device for gas spring production is provided for the utility model.

[0022] In the drawing: 1, base; 2, detection assembly; 21, installation seat; 22, installation groove; 23, tensioner; 24, moving groove; 25, bidirectional screw; 26, servo motor; 27, moving plate; 3, limit assembly; 31, moving seat; 32, rotating groove; 33, rotating disc; 34, gear ring; 35, screw; 36, gear; 37, positioning plate; 38, motor; 39, meshing wheel; 4, installation column; 5, slide rod; 6, telescopic rod; 7, infrared range finder. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] It should be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. When an element is referred to as being "positioned on" another element, it can be directly positioned on the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar terms are used herein for purposes of explanation only and not of limitation.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "therefore" and "because" are used in their conjunctive sense.

[0026] Reference should also be made to Figure 1 and Figure 2 A tensile strength testing device for gas spring production, comprising a base 1, a detection assembly 2 is installed on the top surface outer wall center of the base 1 through bolts, a limiting assembly 3 is arranged on the top of the detection assembly 2;

[0027] The limiting assembly 3 comprises a moving seat 31, a rotating groove 32 is formed in the inside of the moving seat 31, a rotating disc 33 is slidably connected in the rotating groove 32, a gear ring 34 is installed on one side of the outer wall of the rotating disc 33 through bolts, equidistantly distributed screw rods 35 are movably installed on the inner wall of the rotating groove 32 in a ring structure, a gear 36 is installed on the outer wall of the screw rod 35 through bolts, a positioning plate 37 is threadedly connected to the outer wall of the screw rod 35, a motor 38 is installed on the top outer wall of the moving seat 31 through bolts, a meshing wheel 39 is installed on the output end of the motor 38 through a shaft coupling, when the motor 38 is started, the motor 38 can drive the meshing wheel 39 to rotate, the meshing wheel 39 drives the rotating disc 33 and the meshing wheel 39 to rotate by the mutual engagement between the meshing wheel 39 and the gear ring 34, the screw rod 35 is driven to rotate by the mutual engagement between the gear 36 and the gear ring 34 during the rotation of the meshing wheel 39, the positioning plate 37 is limited and fixed to the material by the mutual engagement between the screw rod 35 and the positioning plate 37 during the rotation of the screw rod 35; the gear 36 and the gear ring 34 are mutually engaged, the meshing wheel 39 is engaged with the gear ring 34, the positioning plate 37 is slidably connected to the inside of the moving seat 31, when the gear ring 34 rotates, the gear ring 34 drives the gear 36 to rotate by the mutual engagement between the gear ring 34 and the gear 36, and when the meshing wheel 39 rotates, the meshing wheel 39 drives the gear ring 34 to rotate.

[0028] Reference should also be made to Figure 2 and Figure 4The inner wall of the transfer groove 32 is provided with the mounting column 4 on both sides through bolts, the inside of the mounting column 4 is slidably connected with the slide rod 5, when the slide rod 5 is pulled, the slide rod 5 will slide in the inside of the mounting column 4, so that the mounting column 4 can be limited; the outer wall of the slide rod 5 on the side close to each other is provided with the telescopic rod 6 connected with the positioning plate 37 through bolts, the outer wall groove on the side of the slide rod 5 in the inside of the mounting column 4 is provided with the infrared range finder 7 through bolts, when the positioning plate 37 moves, the positioning plate 37 will drive the telescopic rod 6 to extend and move, the telescopic rod 6 will drive the slide rod 5 and the infrared range finder 7 to move when moving, and the infrared range finder 7 can detect and process the moving distance of the positioning plate 7.

[0029] Referring to Figure 1 and Figure 3 , the detection assembly 2 comprises the mounting seat 21, the inside of the mounting seat 21 is provided with the mounting groove 22, the bottom inner wall of the mounting groove 22 is provided with the tensioner 23 through bolts, the tensioner 23 in the inside of the mounting groove 22 can detect and process the tension of the gas spring, and the mounting groove 22 can provide the position for the installation of the tensioner 23; the top outer wall of the mounting seat 21 is provided with the moving groove 24, the inside of the moving groove 24 is movably provided with the bidirectional screw rod 25 through bearings, one side outer wall of the mounting seat 21 is provided with the servo motor 26 in transmission connection with the bidirectional screw rod 25 through bolts, the outer wall of the bidirectional screw rod 25 is threadedly connected with the moving plate 27 connected with the tensioner 23 on both ends, when the servo motor 26 is started, the servo motor 26 will drive the bidirectional screw rod 25 to rotate, in the process of rotation of the bidirectional screw rod 25, the moving plate 27 can drive the moving seat 31 to move through the screw connection with the moving plate 27, and the device can test the strength of the gas spring through the fixed connection of the moving plate 27 and the tensioner 23.

[0030] By the above, when the servo motor 26 is started, the servo motor 26 can drive the bidirectional screw rod 25 to rotate, in the process of rotation of the bidirectional screw rod 26, the detection and processing of the gas spring are realized through the screw cooperation with the moving plate 27, in addition, the gas spring strength detection function of the structure is perfected through the configuration of the tensioner 23, so that the practicability of the device is improved.

[0031] The following will list several preferred embodiments or application embodiments to help the skilled in the art better understand the technical content of the utility model and the technical contribution of the utility model compared with the prior art:

[0032] Embodiment 1

[0033] The utility model provides a kind of tensile strength testing device for gas spring production, including base 1, the top surface outer wall center of base 1 is equipped with detection assembly 2 by bolt, the top of detection assembly 2 is provided with limiting assembly 3;Limiting assembly 3 includes moving seat 31, the inside of moving seat 31 is equipped with rotation groove 32, rotation groove 32 is slidably connected with carousel 33, carousel 33 is equipped with gear ring 34 on the side outer wall by bolt, the inner wall of rotation groove 32 is movably installed with the screw rod 35 of equidistance annular structure distribution, the outer wall of screw rod 35 is equipped with gear 36 by bolt, the outer wall of screw rod 35 is threadedly connected with positioning plate 37, the top outer wall of moving seat 31 is equipped with motor 38 by bolt, the output of motor 38 is equipped with meshing wheel 39 by coupling, when starting motor 38, motor 38 can drive meshing wheel 39 rotation, carousel 33 and meshing wheel 39 are driven to rotate using the intermeshing between meshing wheel 39 and gear ring 34, in the process of meshing wheel 39 rotation, screw rod 35 is driven to rotate using the intermeshing between gear 36, screw rod 35 is limited to fixed using the intermeshing between positioning plate 37 when rotating, so that positioning plate 37 will limit the material.

[0034] The gear 36 and the gear ring 34 are in meshing engagement with each other, the engaging wheel 39 is in meshing engagement with the gear ring 34, and the positioning plate 37 is slidingly connected to the inside of the moving seat 31. When the gear ring 34 rotates, the gear ring 34 will make the gear 36 rotate by meshing with the gear 36. When the engaging wheel 39 rotates, the engaging wheel 39 will drive the gear ring 34 to rotate. The inside walls of the two sides of the rotating groove 32 are provided with mounting columns 4 by bolts, and the inside of the mounting column 4 is slidingly connected with a sliding rod 5. When the sliding rod 5 is pulled, the sliding rod 5 will slide in the inside of the mounting column 4, so that the mounting column 4 can be limited. The mutually close outer wall of the sliding rod 5 is provided with an expansion rod 6 connected with the positioning plate 37 by bolts, and the outer wall of the one side of the sliding rod 5 in the groove in the inside of the mounting column 4 is provided with an infrared range finder 7 by bolts. When the positioning plate 37 moves, the positioning plate 37 will drive the expansion rod 6 to expand and move, and the expansion rod 6 will drive the sliding rod 5 and the infrared range finder 7 to move. The infrared range finder 7 can detect the moving distance of the positioning plate 7. The detection assembly 2 comprises a mounting seat 21, and the inside of the mounting seat 21 is provided with an installation groove 22. The bottom inner wall of the installation groove 22 is provided with a tensioner 23 by bolts. The tensioner 23 in the inside of the installation groove 22 can detect the tension of the gas spring, and the installation groove 22 can provide the position for the installation of the tensioner 23. The top outer wall of the mounting seat 21 is provided with a moving groove 24, and the inside of the moving groove 24 is movably provided with a bidirectional screw rod 25 by a bearing. The outer wall of the bidirectional screw rod 25 is provided with a moving plate 27 connected with the tensioner 23 by threads. When the servo motor 26 is started, the servo motor 26 will drive the bidirectional screw rod 25 to rotate. In the process of rotating the bidirectional screw rod 25, the moving plate 27 can drive the moving seat 31 to move by the threaded connection with the moving plate 27. The device can test the strength of the gas spring by the fixed connection of the moving plate 27 and the tensioner 23.

[0035] Working principle: in use, first by placing the gas spring to the inside of the moving seat 31, then by starting the motor 38, the motor 38 will drive the meshing wheel 39 rotation, meshing wheel 39 will drive the rotating disc 33 rotation by mutual engagement with gear ring 34, and in the process of gear ring 34 rotation, gear ring 34 drive screw 35 rotation by mutual engagement with gear 36, screw 35 by the threaded connection with the positioning plate 37, make positioning plate 37 will be limited to the fixed material, and in the process of positioning plate 37 movement, positioning plate 37 will drive the telescopic rod 6 telescopic and move, in the process of telescopic rod 6 movement will drive the slide bar 5 movement, slide bar 5 will move in the inside of the installation column 4, and can detect the moving distance of positioning plate 37 by using infrared range finder 7, then by starting the servo motor 26, the servo motor 26 will drive the bidirectional screw 25 rotation, in the process of bidirectional screw 25 rotation, bidirectional screw 25 by the threaded connection with the moving plate 27, make moving plate 27 will move in the inside of the moving groove 24, when moving plate 27 moves, moving plate 27 will drive the tensioner 23 stretch operation, the tensioner 23 will detect and process the tension of the gas spring.

[0036] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, should be covered within the protection scope of the present application.

Claims

1. A tensile strength testing device for gas spring production comprising a base (1), characterized in that, The top surface outer wall center of the base (1) is provided with a detection assembly (2) through bolt installation, and the top of the detection assembly (2) is provided with a limiting assembly (3); The limiting assembly (3) includes a moving seat (31), a rotating groove (32) is opened in the inside of the moving seat (31), a rotating disc (33) is slidably connected in the inside of the rotating groove (32), a gear ring (34) is bolted on one side outer wall of the rotating disc (33), equidistantly distributed screw rods (35) are movably installed on the inner wall of the rotating groove (32) through bearings, a gear (36) is bolted on the outer wall of the screw rod (35), a positioning plate (37) is threadedly connected on the outer wall of the screw rod (35), a motor (38) is bolted on the top outer wall of the moving seat (31), and the output end of the motor (38) is connected with an engaging wheel (39) through a shaft coupling.

2. The tensile strength testing device for gas spring production according to claim 1, characterized in that, The gear (36) and the gear ring (34) are engaged with each other, the engaging wheel (39) is engaged with the gear ring (34), and the positioning plate (37) is slidably connected to the inside of the moving seat (31).

3. The tensile strength testing device for gas spring production according to claim 1, characterized in that, The inner wall of the rotating groove (32) is bolted with a mounting column (4) on both sides, and the inside of the mounting column (4) is slidably connected with a sliding rod (5).

4. The tensile strength testing device for gas spring production according to claim 3, characterized in that, The sliding rod (5) is bolted with an expansion rod (6) connected with the positioning plate (37) on the outer wall of one side close to each other, and the outer wall groove of the sliding rod (5) in the mounting column (4) is bolted with an infrared range finder (7).

5. The tensile strength testing device for gas spring production according to claim 1, characterized in that, The detection assembly (2) includes a mounting seat (21), an installation groove (22) is opened in the inside of the mounting seat (21), and a tensioner (23) is bolted on the bottom inner wall of the installation groove (22).

6. The tensile strength testing device for gas spring production according to claim 5, characterized in that, A moving groove (24) is opened on the top outer wall of the mounting seat (21), a bidirectional screw rod (25) is movably installed in the inside of the moving groove (24) through a bearing, a servo motor (26) is bolted on one side outer wall of the mounting seat (21) and is in transmission connection with the bidirectional screw rod (25), and movable plates (27) connected with the tensioner (23) are threadedly connected on the outer wall of both ends of the bidirectional screw rod (25).

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