CN220170479U

CN220170479U - Testing device for spring tension uniformity test

Info

Publication number: CN220170479U
Application number: CN202321727668.7U
Authority: CN
Inventors: 刘邦军
Original assignee: Suzhou New Standard Detection Technology Co ltd
Current assignee: Suzhou New Standard Detection Technology Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-12-12
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a testing device for a spring tension uniformity test, which relates to the technical field of spring detection and comprises a bottom plate, a fixed base and a support column, wherein the fixed base and the support column are fixedly arranged at the upper end of the bottom plate, a placing groove and a pair of sliding grooves are formed in the upper end of the fixed base, the two sliding grooves are respectively arranged on the left side and the right side of the placing groove and are communicated with the placing groove, a bidirectional threaded screw rod is arranged in the movable groove, the surface of the bidirectional threaded screw rod is in threaded connection with a pair of movable rods, the placing groove is used for placing a spring workpiece, the two movable rods are driven to move in opposite directions through rotating the bidirectional threaded screw rod, the upper ends of the movable rods are inserted into the bottom gap of the spring workpiece, the spring workpiece is fixed, the stability is enhanced, and meanwhile, the movable rods are arranged to sleeve the spring workpiece on the periphery side, and the spring workpiece is prevented from splashing due to fracture of a tension test.

Description

Testing device for spring tension uniformity test

Technical Field

The utility model relates to the technical field of spring detection, in particular to a testing device for a spring tension uniformity test.

Background

The spring is a mechanical part working by utilizing elasticity, the spring stores elastic potential energy, the mutual conversion of the elastic potential energy and kinetic energy is realized, the spring can be used for controlling the movement of a machine part, relieving impact or vibration, storing energy, measuring the magnitude of force and the like, and plays a very important role in various products, so that the tension uniformity of the spring, namely before the spring reaches elastic fatigue, the tension change amplitude of the spring is not large after the spring stretches or stretches for the same distance each time, and the spring is an important index for measuring the performance of the spring and is also a powerful guarantee for the reliability of products.

At present, the existing spring tension testing device in the market is easy to loosen at the fixed spring position when detecting the spring, and the spring is easy to break when carrying out spring tension testing, and the spring is easy to collapse out, and if the spring collapses to equipment, the equipment can be damaged.

Disclosure of Invention

In order to solve the technical problem, the technical scheme provides a testing device for a spring tension uniformity test, which solves the problems that the spring fixing part in the spring tension testing device provided in the prior art is easy to be loosened, and the spring is easy to break and collapse when the spring tension test is performed.

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

the utility model provides a test device of spring tension homogeneity test, includes bottom plate, unable adjustment base and support column are fixed firmly to the upper end of bottom plate, unable adjustment base is located the left side of support column, standing groove and a pair of spout have been seted up to unable adjustment base's upper end, and two spouts set up respectively in the left and right sides of standing groove, and two spout and standing groove homogeneous phase intercommunication, the constant head tank has been seted up to the bottom of standing groove, the movable groove has been seted up to unable adjustment base's downside, the upper end of movable groove is linked together with the lower extreme of spout, two-way screw thread lead screw has been placed to the inside of movable groove, two-way screw thread lead screw's surface and a pair of movable rod threaded connection, and two the movable rod is located two-way screw thread lead screw's both ends, the both sides of screw thread lead screw rotate respectively and are connected with the mounting panel, mounting panel fixed connection is in the upper end of bottom plate, screw thread lead screw's left side fixedly connected with rotates the handle.

Preferably, the lower end surface of the moving rod is in sliding connection with the inner wall of the movable groove, and the upper end of the moving rod is arranged in the sliding groove and is in an L-shaped arrangement.

Preferably, the inside of support column is the fretwork setting and the left side sets up to the opening, the upper and lower both ends of support column are connected with the both ends rotation of screw thread lead screw.

Preferably, the upper end of the threaded screw rod extends out of a top plate of the support column and is fixedly connected with the output end of the driving motor, and the driving motor is fixedly arranged at the upper end of the support column.

Preferably, the surface threaded connection of screw rod removes the board, the left side lower extreme fixed mounting of removal board has the dead lever, the upper end surface of dead lever is provided with the anti-skidding line.

Preferably, through holes are formed in the surfaces of the movable plate and the fixed rod, and the placing groove and the through holes are coaxially arranged.

Preferably, the inside of standing groove is used for placing the spring work piece, the inside of constant head tank is used for placing the movable rod, the upper end of movable rod passes through-hole and movable plate and dead lever sliding connection.

Compared with the prior art, the utility model provides a testing device for a spring tension uniformity test, which has the following beneficial effects:

1. according to the utility model, the spring workpiece can be placed by arranging the placing groove, and the rotating handle is rotated to drive the bidirectional threaded screw rod to rotate, so that the two moving rods move in opposite directions, and the upper ends of the moving rods are inserted into the bottom gap of the spring workpiece, so that the spring workpiece is fixed, and the stability is enhanced;

2. the movable rod arranged in the utility model can sleeve the spring on the periphery, thereby effectively preventing the spring workpiece from splashing caused by fracture in a tensile test and improving the safety;

3. according to the utility model, the driving motor drives the threaded screw rod to rotate, the threaded screw rod drives the movable plate to detect the spring workpiece, and the change of the tension value of the spring can be calculated by recording the moving distance of the movable plate and the rotation number of the driving motor, so that the accuracy of test data is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged partial schematic view of the present utility model at A in FIG. 1;

FIG. 3 is a schematic view of a fixing base of the present utility model;

fig. 4 is a schematic structural view of a bidirectional threaded screw rod in the present utility model.

The reference numerals in the figures are:

1. a bottom plate; 101. a mounting plate; 2. a fixed base; 201. a chute; 202. a placement groove; 203. a positioning groove; 204. a movable groove; 3. a support column; 4. a driving motor; 5. a threaded screw rod; 6. a moving plate; 7. a fixed rod, 701, anti-skid patterns; 8. a spring work piece; 9. a movable rod; 10. a two-way threaded screw rod; 1001. a moving rod; 11. the handle is turned.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-4, a testing device for testing uniformity of tension force of a spring comprises a bottom plate 1, a fixed base 2 and a supporting column 3, wherein the fixed base 2 and the supporting column 3 are fixedly arranged at the upper end of the bottom plate 1, the fixed base 2 is positioned at the left side of the supporting column 3, the fixed base 2 is used for fixing a spring workpiece 8, a placing groove 202 and a pair of sliding grooves 201 are arranged at the upper end of the fixed base 2, the inside of the placing groove 202 is used for placing the spring workpiece 8, the placing groove 202 is used for placing the spring workpiece 8 and fixing the spring workpiece 8, the tension force test is respectively carried out on the spring workpiece 8 subsequently, the two sliding grooves 201 are respectively arranged at the left side and the right side of the placing groove 202, the two sliding grooves 201 are communicated with the placing groove 202, a movable rod 1001 is arranged in the inside of the sliding groove 201, a positioning groove 203 is arranged at the bottom of the placing groove 202, the inside of the positioning groove 203 is used for placing a movable rod 9, the positioning groove 203 is abutted with the movable rod 9, the lower side of the fixed base 2 is provided with a movable groove 204, the upper end of the movable groove 204 is communicated with the lower end of the sliding groove 201, the movable groove 204, the two sliding grooves 201 and the placing groove 202 are mutually communicated, a bidirectional threaded screw rod 105 is placed in the movable groove 204, the surface of the bidirectional threaded screw rod 105 is in threaded connection with a pair of movable rods 1001, the two movable rods 1001 are respectively positioned at two ends of the bidirectional threaded screw rod 105, when the bidirectional threaded screw rod 105 rotates, the two movable rods 1001 move oppositely or reversely on the surface of the bidirectional threaded screw rod 105, the lower end surface of the movable rod 1001 is in sliding connection with the inner wall of the movable groove 204, the upper end of the movable rod 1001 is arranged in the sliding groove 201 and is in an L-shaped arrangement, when the two movable rods 1001 are made to move oppositely by rotating the bidirectional threaded screw rod 105, the upper end of the movable rod 1001 is inserted into the bottom gap of the spring workpiece 8, make spring work piece 8 fixed, strengthened stability, make two movable rods 1001 opposite movement through rotating two-way screw 105, remove fixedly to spring work piece 8, make things convenient for the workman to change spring work piece 8, the both sides of screw 5 are rotated respectively and are connected with mounting panel 101, mounting panel 101 fixedly connected with is in the upper end of bottom plate 1, the left side fixedly connected with of screw 5 rotates handle 11, the staff passes through the rotation of rotation handle 11 control two-way screw 105, realizes the fixed to spring work piece 8.

Referring to fig. 1 and 2, the inside of the support column 3 is hollowed out and is provided with an opening, the upper end and the lower end of the support column 3 are rotationally connected with the two ends of the threaded screw rod 5, the upper end of the threaded screw rod 5 extends out of the top plate of the support column 3 and is fixedly connected with the output end of the driving motor 4, the driving motor 4 is fixedly installed at the upper end of the support column 3, the driving motor 4 is started to drive the threaded screw rod 5 to rotate together, the surface of the threaded screw rod 5 is in threaded connection with the moving plate 6, the fixing rod 7 is fixedly arranged at the lower end of the left side of the moving plate 6, the anti-skid threads 701 are arranged on the upper end surface of the fixing rod 7, the moving plate 6 moves up and down on the surface of the threaded screw rod 5 through the rotation of the threaded screw rod 5 and fixes the spring workpiece 8 through the fixing rod 7, tension test on the spring workpiece 8 is achieved, and the moving distance of the moving plate 6 and the rotation number of the driving motor 4 are recorded, so that the tension value change of a spring can be calculated, and the accuracy of test data is improved.

Referring to fig. 1 and 3, through holes are formed in the surfaces of the moving plate 6 and the fixed rod 7, the through holes are coaxially formed with the placement groove 202, the upper end of the movable rod 9 is slidably connected with the moving plate 6 and the fixed rod 7 through the through holes, the movable rod 9 is inserted by a worker, and a spring is sleeved on the periphery of the movable rod 9, so that the phenomenon that the spring workpiece 8 splashes due to breakage during a tensile test is avoided, and safety is improved.

The working principle of the utility model is as follows: the staff places the spring work piece 8 that awaits measuring in the standing groove 202 to make two-way screw thread lead screw 105 rotate through rotating handle 11, two movable rods 1001 move in opposite directions, the upper end of movable rod 1001 inserts the bottom clearance of spring work piece 8, make spring work piece 8 fixed, adjust through driving motor 4 simultaneously, movable plate 6 and the upper end looks butt of spring work piece 8, and insert dead lever 7 into the clearance of spring work piece 8, and insert movable rod 9 into the through-hole, and place movable rod 9's lower extreme in the constant head tank 203, avoid spring work piece 8 to take place the fracture and lead to the phenomenon that splashes because of tensile test, improved the security, after the fixed completion of spring work piece 8, drive screw thread lead screw 5 through driving motor 4 rotates, screw thread lead screw 5 drives movable plate 6 and detects spring work piece 8, through the running distance of record movable plate 6 and the number of turns of rotations of driving motor 4, thereby can calculate the tensile value change of spring, test data's accuracy has been improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a test device for spring tension uniformity test, its characterized in that includes bottom plate (1), unable adjustment base (2) and support column (3) are fixed firmly to the upper end of bottom plate (1), unable adjustment base (2) are located the left side of support column (3), standing groove (202) and a pair of spout (201) have been seted up to the upper end of unable adjustment base (2), and two spout (201) set up respectively in the left and right sides of standing groove (202), and two spout (201) and standing groove (202) homogeneous phase intercommunication, locating slot (203) have been seted up to the bottom of standing groove (202), movable groove (204) have been seted up to the downside of unable adjustment base (2), the upper end and the lower extreme of spout (201) of movable groove (204) are linked together, the inside of movable groove (204) has been placed two-way screw thread lead screw (10) (5), the surface and a pair of movable rod (1001) threaded connection, and two movable rod (1001) are located respectively on the both sides of screw thread lead screw (10) (5) both sides of mounting panel (101) are connected in the both sides respectively, the left side of the threaded screw rod (5) is fixedly connected with a rotary handle (11).

2. The test device for testing the uniformity of a spring tension according to claim 1, wherein: the lower end surface of the moving rod (1001) is in sliding connection with the inner wall of the movable groove (204), and the upper end of the moving rod (1001) is arranged in the sliding groove (201) and is in an L-shaped arrangement.

3. The test device for testing the uniformity of a spring tension according to claim 1, wherein: the inside of support column (3) is the fretwork setting and the left side sets up to the opening, the upper and lower both ends of support column (3) are connected with the both ends rotation of screw thread lead screw (5).

4. A test device for testing the uniformity of a spring tension according to claim 3, wherein: the upper end of the threaded screw rod (5) extends out of a top plate of the support column (3) and is fixedly connected with the output end of the driving motor (4), and the driving motor (4) is fixedly arranged at the upper end of the support column (3).

5. The test device for testing the uniformity of a spring tension according to claim 4, wherein: the surface threaded connection of screw rod (5) removes board (6), the left side lower extreme of removing board (6) is equipped with dead lever (7), the upper end surface of dead lever (7) is provided with anti-skidding line (701).

6. The test device for testing the uniformity of a spring tension according to claim 5, wherein: through holes are formed in the surfaces of the moving plate (6) and the fixed rod (7), and the placing groove (202) and the through holes are coaxially arranged.

7. The test device for testing the uniformity of a spring tension according to claim 1, wherein: the inside of standing groove (202) is used for placing spring work piece (8), the inside of constant head tank (203) is used for placing movable rod (9), the upper end of movable rod (9) is through-hole and movable plate (6) and dead lever (7) sliding connection.