CN205175828U - Tensile testing machine - Google Patents

Abstract

The utility model proposes a tensile testing machine, which includes a horizontal frame, a stretching oil cylinder, a front sliding trolley, a rear sliding trolley, a positioning shaft of the rear trolley and a tension test sensor. The stretching oil cylinder is arranged at one end of the horizontal frame, and the horizontal frame There is a sliding track on the top, and the front sliding trolley and the rear sliding trolley are set on the horizontal frame and are slidably connected with the sliding track. There are multiple sets of positioning holes symmetrically arranged on both sides of the horizontal frame, and the rear sliding trolley passes through the positioning shaft of the rear trolley. A group of positioning holes are plugged and fixed, the front sliding trolley is connected with the tension test sensor, and the tension test sensor is connected with the stretching oil cylinder. The utility model solves the problems of the testing machine in the prior art, such as the cumbersome measurement process, the difficult control of the measurement control force, the large deviation of the measurement results, and the narrow application range. The measurement deviation is reduced, it can be adapted to the measurement of various measuring parts, and the application range is expanded.

Description

A tensile testing machine

technical field

The utility model relates to the technical field of tensile testing, in particular to a tensile testing machine.

Background technique

In the prior art, whether it is in the mining industry or the construction accessories industry, the steel wire rope or anchor chain lifting belt used needs to carry out corresponding tensile test tests, destruction tests, etc., and the corresponding actual maximum tensile force that can be measured is measured. value and then applied to production. In the prior art, it is necessary to manually read the corresponding value when performing a tensile test. The operation process is cumbersome, and the uneven control of the force during tensile loading can easily lead to large deviations in measurement results, and the measurement range Limited, it can only be adapted to a certain test piece measurement alone, and cannot meet the needs of a wide range of measurement.

Utility model content

The technical problem to be solved by the utility model is: the utility model provides a tensile testing machine, which solves the problem that the testing machine in the prior art has cumbersome measurement process, difficult control of measurement control force, large deviation of measurement results and narrow application range. The problem is that the operation is more simple, flexible and convenient, and the force is loaded slowly and steadily during the measurement, which reduces the measurement deviation, and can be adapted to the measurement of various measuring parts, expanding the scope of application.

The utility model adopts the following technical solutions to realize:

A tensile testing machine, characterized in that it comprises a horizontal frame, a stretching oil cylinder, a front sliding trolley, a rear sliding trolley, a rear trolley positioning axis and a tension test sensor, and the stretching oil cylinder is arranged at one end of the horizontal frame , the horizontal frame is provided with a sliding track, the front sliding trolley and the rear sliding trolley are arranged on the horizontal frame and are slidably connected with the sliding track, and the two sides of the horizontal frame are arranged symmetrically There are multiple sets of positioning holes, the rear sliding trolley is plugged and fixed in one set of positioning holes through the positioning shaft of the rear trolley, the front sliding trolley is connected with the tension test sensor, and the tension test sensor is connected with the tension test sensor. Extension cylinder connection.

Further, the front sliding trolley and the rear sliding trolley are respectively provided with a front trolley clamping tool and a rear trolley clamping tool for clamping and fixing different test pieces.

Further, the horizontal frame includes a frame base, a frame support plate arranged under the frame base to support the frame base, and a support rear plate arranged behind the frame base.

Further, the tension test sensor is connected to the front sliding carriage through a sensor joint provided on the tension test sensor, and the tension test sensor is connected to the stretching cylinder through a sensor link plate.

Further, the stretching oil cylinder is a single-rod double-acting oil cylinder, and the stretching oil cylinder is fixedly connected to one end of the horizontal frame through an oil cylinder fixing seat, and the oil cylinder fixing seat is provided with a Rib panels for fixed connections to the frame.

Further, one end of the stretching cylinder is provided with a cylinder support plate for supporting the stretching cylinder.

Further, it also includes a control device, the control device includes a controller and a display screen, the display screen is provided with a force curve display area, the controller is connected with the tension test sensor and the stretching cylinder electric connect.

Advantages and positive effects of the utility model: the utility model provides a tensile testing machine, including a horizontal frame, a stretching oil cylinder, a front sliding trolley, a rear sliding trolley, a rear trolley positioning shaft and a tension test sensor, on the horizontal frame Sliding rails are set on both sides, the front sliding trolley and the rear sliding trolley slide back and forth along the sliding rails, the stretching oil cylinder is set at one end of the horizontal frame, and the tension test sensor is set between the stretching oil cylinder and the front sliding trolley to connect the two , during the pressure test, one end of the tested piece is fixed on the front sliding trolley through the tooling, the other end is connected to the rear sliding trolley, and the rear trolley and the horizontal frame are fixed through the positioning shaft of the rear trolley at the same time, so that by stretching the cylinder and The pressure test sensor pulls the front sliding trolley to test the actual pressure of the tested piece. The utility model can test the actual pressure of the tested piece by stretching the oil cylinder. The operation process is simple and convenient, and it is During the test, the stretching cylinder is stretched gently, which will not cause the problem of large deviation of the test results due to uneven stretching force, and different test piece clamping fixtures are installed on the front sliding trolley and the rear sliding trolley correspondingly, so that the unused The tensile value of the test piece is tested, and the application range is more extensive.

Description of drawings

Fig. 1 is the three-dimensional structural diagram of the utility model tensile testing machine;

Fig. 2 is the front view of the utility model tensile testing machine;

Fig. 3 is a top view of the utility model tensile testing machine.

detailed description

See Fig. 1-Fig. 3, the embodiment of a kind of tensile testing machine of the utility model, comprises horizontal frame 1, stretching oil cylinder 2, front sliding trolley 3, rear sliding trolley 4, rear trolley positioning shaft 5 and tension test sensor 6 , the stretching cylinder 2 is arranged on one end of the horizontal frame 1, the horizontal frame 1 is provided with a sliding track, and the front sliding trolley 3 and the rear sliding trolley 4 are arranged on the horizontal frame 1 and is slidably connected with the sliding track, and multiple sets of positioning holes 7 are symmetrically arranged on both sides of the horizontal frame 1, and the rear sliding trolley 4 passes through the rear trolley positioning shaft 5 and a set of positioning holes 7 is plugged and fixed, the front sliding trolley 3 is connected to the tension test sensor 6, and the tension test sensor 6 is connected to the stretching oil cylinder 2.

Specifically, this embodiment proposes a tensile testing machine for testing the tensile force, including a horizontal frame 1 that supports and fixes the entire tensile testing machine, and the horizontal frame 1 is formed by tailor-welding of multiple plates , stretching oil cylinder 2, mainly provides the tension force effect through stretching oil cylinder 2 when carrying out tension test, and stretching oil cylinder 2 is fixedly arranged on one end of horizontal frame 1, and the two opposite side plates of horizontal frame 1 are provided with sliding The track, the front sliding car 3 and the rear sliding car 4 are arranged on the horizontal frame 1, and guide rails cooperating with the sliding track are correspondingly arranged on both sides thereof at the same time, and the front sliding car 3 and the rear sliding car 4 pass through the sliding track and the guide rail. Cooperating with sliding back and forth along the sliding rails on both sides of the horizontal frame 1, the rear sliding trolley 4 is also equipped with a rear trolley positioning shaft 5 correspondingly, and multiple groups arranged at a certain distance are arranged symmetrically on both sides of the horizontal frame 1. Positioning holes 7, each group of positioning holes 7 are symmetrically arranged on the opposite side plates of the horizontal frame 1, and the rear sliding trolley 4 is correspondingly provided with holes for facilitating the insertion of the rear trolley positioning shaft 5. After the length of the test piece and the tested piece and the required stretching space, the rear sliding trolley 4 can be slid to the appropriate position of the positioning hole 7, and then the rear sliding trolley can be inserted into the positioning hole 7 through the positioning shaft 5 of the rear trolley. 4 is fixed with horizontal frame 1.

Specifically, when measuring, the two ends of the tested piece are respectively fixed by the clamping fixtures arranged on the front sliding trolley 3 and the rear sliding trolley 4, and the front sliding trolley 3 passes the sensor on the tension test sensor 6. The joint 61 and the tension test sensor 6 are connected together, and the tension test sensor 6 is connected with the stretching cylinder 2 through the sensor link plate 62 . Preferably, the tensile test sensor 6 in this embodiment can be an existing standard structure, and correspondingly provided with connecting accessories fixedly connected with the stretching cylinder 2 and the front sliding trolley 3, such as the sensor link plate 62 and the sensor joint 61. The tension test sensor 6 is mainly used to realize the on-line detection of the tension value of the tested piece. When performing the tension test of the tested piece, the pressure test sensor 6 connected to it is pulled by the stretching cylinder 2, and then pulled and the pressure test sensor The front sliding car 3 connected by 6, because the rear sliding car 4 is fixed on the horizontal frame 1, the front sliding car 3 is driven forward by the stretching cylinder 2, that is, the corresponding pulling is fixed on the front sliding car 3 and the rear sliding car 4 The tested piece moves forward together. When it is stretched to the critical position where the tested piece is about to break, it is known from the force balance principle that the tensile value on the tension test sensor 6 corresponds to the maximum that the tested piece can actually bear. Pressure value.

Further, the horizontal frame 1 includes a frame base 11 , a frame support plate 12 arranged under the frame base 11 to support the frame base 11 , and a support rear plate 13 arranged behind the frame base 11 . The frame base 11 is composed of two oppositely arranged side plates, and the frame support plate 12 is connected between the two opposite side plates to realize the reinforcement and support of the entire frame base 11. The frame support plate 12 is along the frame The length direction of the base body 11 is provided with a plurality of corresponding ones in turn. In this embodiment, there are four frame support plates 12 correspondingly. At the same time, a supporting back plate 13 for supporting the frame base body 11 is also provided behind the frame base body 11 .

Further, the front sliding trolley 3 and the rear sliding trolley 4 are respectively provided with a front trolley clamping tool and a rear trolley clamping tool for clamping and fixing different test pieces. The tested part is mainly clamped and fixed by the clamping tool set on the front sliding trolley 3 and the rear trolley clamping tool set on the rear sliding trolley 4. Correspondingly, one end of the tested piece is fixed, and at the same time, the other end of the tested piece is correspondingly pulled by stretching the front sliding trolley 3, and the determination of the tensile value of the tested piece is realized by continuous stretching.

Further, the stretching cylinder 2 is a single-rod double-acting cylinder, the stretching cylinder 2 is fixedly connected to one end of the horizontal frame 1 through a cylinder fixing seat 8, and the stretching cylinder fixing seat 8 is provided with The rib plate 81 fixedly connected with the horizontal frame 1 . Preferably, the stretching oil cylinder 2 in this embodiment is selected as a single-rod double-acting oil cylinder, and the oil cylinder fixing seat 8 is fixedly connected with one end of the horizontal frame 1, and the stretching oil cylinder 2 is fixed on the oil cylinder fixing seat 8. Stretching the fixed support of the oil cylinder 2, the oil cylinder fixing seat 8 is provided with a reinforcing rib plate 81 connected and fixed with the horizontal frame 1. At the same time, one end of the stretching cylinder 2 is provided with a cylinder support plate 9 for supporting the stretching cylinder 2 . The oil cylinder support plate 9 is mainly arranged on the free end of the stretching oil cylinder 2, and further supports the stretching oil cylinder 2.

Further, it also includes a control device, the control device includes a controller and a display screen, the display screen is provided with a force curve display area, the controller is connected with the tension test sensor 6 and the stretching oil cylinder 2 electrical connections. The stretching action control of the stretching oil cylinder 2 in the present embodiment, the tension test sensor 6 mainly carries out corresponding control through the control device, and the control device is electrically connected with the tension test sensor 6, and the pressure value tested on the tension test sensor 6 can be real-time Passed to the control device, the control device includes a controller and a display screen for the main control function. The display screen is correspondingly provided with a force curve display area for displaying changes in the tensile test, and the tensile force of the tested piece can be observed through the display screen. Test curves and performance parameters of the tested parts.

It should be noted that at last: the following examples are only in order to illustrate the technical scheme of the present utility model, and are not intended to limit it; Although the utility model has been described in detail with reference to the foregoing examples, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. spirit and scope.

Claims (7)

1. a tension tester, it is characterized in that, comprise horizontal framework, stretching oil cylinder, front slide dolly, rear sliding machine, rear dolly locating shaft and tensile test sensor, described stretching oil cylinder is arranged on one end of described horizontal framework, described horizontal framework is provided with sliding rail, described front slide dolly and described rear sliding machine to be arranged on described horizontal framework and to be slidably connected with described sliding rail, described horizontal framework two sides are symmetrically arranged with and organize pilot hole more, described rear sliding machine is fixed by described rear dolly locating shaft and wherein one group of pilot hole plug-in mounting, described front slide dolly is connected with described tensile test sensor, described tensile test sensor is connected with described stretching oil cylinder.

2. tension tester according to claim 1, is characterized in that, described front slide dolly and described rear sliding machine are respectively arranged with for working be fixedly clamped front dolly clamping tool and rear dolly clamping tool to different test block.

3. tension tester according to claim 2, is characterized in that, described horizontal framework comprises framework matrix, be arranged on below framework matrix to the passive frame supported plate of framework matrix and be arranged on framework matrix rear support after plate.

4. tension tester according to claim 1, it is characterized in that, described tensile test sensor is connected with described front slide dolly by the sensor connector be arranged on tensile test sensor, and described tensile test sensor is connected with described stretching oil cylinder by a sensor link dish.

5. tension tester according to claim 4, it is characterized in that, described stretching oil cylinder is single rod two-way cylinder, described stretching oil cylinder is fixedly connected with by oil cylinder fixing base one end with described horizontal framework, described oil cylinder fixing base is provided with the reinforcement gusset be fixedly connected with described horizontal framework.

6. tension tester according to claim 5, is characterized in that, one end of described stretching oil cylinder is provided with for the passive oil cylinder back up pad of stretching oil cylinder.

7. tension tester according to claim 2, it is characterized in that, also comprise a control device, described control device comprises controller and display screen, described display screen is provided with stress curve viewing area, described controller is electrically connected with described tensile test sensor and described stretching oil cylinder.