CN107560942A - A kind of strength testing device of gas cylinder mounting bracket - Google Patents

Abstract

The invention discloses a strength testing device for a gas cylinder mounting bracket, which includes a test bench, a mounting bracket that can be fixed on the test bench, and a simulated gas cylinder that can be installed on the mounting bracket for simulation; There are horizontal and vertical installation clamps for fixing gas cylinders; the simulated gas cylinders can be fixed on the installation bracket through the installation clamps; the left side, right side, Two upright posts are respectively installed in the middle part of the front side and the rear side. This device can adjust the position of the hydraulic jacking device on each side to measure the strength of different sides through the action of the rotating plate, and can perform strength tests on all four sides in a wide range, which not only has a wide range but also greatly improves the accuracy of measurement .

Description

A strength testing device for a gas cylinder mounting bracket

technical field

The invention relates to the field of gas data collection, acquisition and transmission, in particular to a strength testing device for a gas cylinder mounting bracket.

Background technique

In the CNG car refitting factory, the steel cylinder support installation bracket is required to install the gas cylinder, and the steel cylinder support must have the required strength. Therefore, the workshop will usually be equipped with an experimental test device for the strength of the steel cylinder support. Finally, it should be able to withstand the static force of 8 times the gravity of the gas cylinder full of rated working pressure, and the maximum displacement between the gas cylinder and the fixed seat does not exceed 13mm. This test device in the prior art is expensive. It needs about RMB 10,000, and not only the cost of the existing testing device is high, but also the testing range is not wide and has certain limitations, resulting in inaccurate strength testing and other shortcomings.

Contents of the invention

The object of the present invention is to provide a strength testing device for a gas cylinder mounting bracket to address the deficiencies in the prior art.

Technical solution: The technical solution adopted by the present invention to solve the problem is: a strength testing device for a gas cylinder mounting bracket, including a test bench, a mounting bracket that can be fixed on the test bench, and a mounting bracket that can be installed on the mounting bracket for simulation simulated gas cylinders; the mounting bracket is provided with horizontal and vertical mounting clamps for fixing the gas cylinders; the simulated gas cylinders can be fixed on the mounting brackets through the mounting clamps; the described Two uprights are respectively installed in the middle of the left side, right side, front side and rear side of the test bench, and the height of the two uprights is at least higher than the height of the simulated gas cylinder when it is placed flat; A rotating shaft is installed between the columns; the position of the rotating shaft is equal to the middle position when the simulated gas cylinder is placed flat; and a rotating plate is installed on the rotating shaft, and the rotating plate can rotate around the rotating shaft, and The end face of the rotating plate is also equipped with a hydraulic clamping device, and the end of the clamping rod of the hydraulic clamping device is also equipped with a clamping plate, and the clamping plate can be stuck on the simulated gas cylinder. In the middle part, push the simulated gas cylinder to move left and right; and the two columns in the four directions on the test bench are also equipped with displacement measuring devices horizontally. The measuring device is aligned with the front and rear ends of the simulated gas cylinder.

As a preference, each of the four corners of the installation bracket is provided with an indicator plate about the standard position when the simulated gas cylinder is placed.

Preferably, the mounting bracket is further provided with mounting holes, and the mounting bracket is detachably fixed on the test bench through the mounting holes.

As a preference, the two uprights in the four directions on the test bench are all installed in the middle of the four directions, and the uprights in each direction are installed symmetrically with the midpoints of the four sides; and the installation of the rotating shaft The position corresponds to the midpoint of each side.

As a preference, the installation positions of the displacement measuring devices on the two columns in the four directions on the test platform are in the same level as the middle part of the simulated gas cylinder when it is laid flat.

As a preference, the clamping plates on the hydraulic clamping devices on the left and right sides are all set to an arc-shaped structure suitable for the body of the simulated gas cylinder; while the clamping plates on the hydraulic devices on the front and rear sides are set as flat plates structure.

Preferably, the displacement measuring device can be configured as a measuring dial indicator or an infrared measuring device.

As a preference, the hydraulic jacking device can be set as a hydraulic jack.

Beneficial effects: Compared with the prior art, the present invention has the following advantages: all four directions on the test bench in the present invention are equipped with hydraulic jacking devices through columns, and the jacking devices in each direction are tested and started sequentially during the test, and the hydraulic jacking The standard pressing force is applied by the tightening device, and the displacement measured by the displacement measuring device installed on the other side can be used to judge whether the strength of the mounting bracket meets the requirements; Place it horizontally so that the clamping rod is clamped on the simulated gas cylinder, and the hydraulic clamping device on the opposite side can be transferred to the other direction through the rotation of the rotating plate to make the clamping plate of the hydraulic clamping device and the simulated gas cylinder The bottle body of the cylinder is separated, so that the compression measurement function of the hydraulic jacking device on the other side is not hindered. When the standard force is applied, the simulated gas cylinder moves, and the displacement measurement device on this side and the displacement measurement device on the opposite side can simulate The moving distance of the gas cylinder is measured, which increases the accuracy of displacement measurement; therefore, the device can adjust the position of the hydraulic clamping device on each side through the action of the rotating plate to measure the strength of different sides, and can measure the strength of four sides in a wide range. The strength test is carried out on each side, which not only has a wide range but also greatly improves the accuracy of measurement.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

detailed description

The present invention will be further illustrated below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in Figure 1, a strength test device for a gas cylinder mounting bracket includes a test bench 1, a mounting bracket 2 that can be fixed on the test bench 1, and a simulated gas cylinder 3 that can be installed on the mounting bracket 2 for simulation ; The mounting bracket 2 is provided with a horizontal and vertical mounting clamp 4 for fixing the gas cylinder; the simulated gas cylinder 3 can be fixed on the mounting bracket 2 through the mounting clamp 4; The left side, the right side, the front side and the middle part of the rear side of the test bench 1 are respectively equipped with two uprights 5, and the heights of the two uprights 5 are at least higher than when the simulated gas cylinder 3 is placed flat. and a rotating shaft 6 is installed between the two columns 5; the position of the rotating shaft 6 is equal to the middle position when the simulated gas cylinder 3 is placed flat; and the rotating plate 7 is installed on the rotating shaft 6 , the rotating plate 7 can rotate around the rotating shaft 6, and the end surface of the rotating plate 7 is also equipped with a hydraulic clamping device 8, and the end of the clamping rod 9 of the hydraulic clamping device 8 is also installed with a The clamping plate 10, the clamping plate 10 can be stuck on the middle part of the simulated gas cylinder 3 to push the simulated gas cylinder 3 to move left and right; A displacement measuring device 11 is installed laterally, and the displacement measuring devices 11 at the left and right ends are aligned with the left and right ends of the simulated gas cylinder 3, and the displacement measuring devices 11 at the front and rear ends are aligned with the front and rear ends of the simulated gas cylinder 3.

The four corners of the mounting bracket 2 are respectively provided with an indicator 12 about the standard position of the simulated gas cylinder 3 when placed.

The mounting bracket 2 is also provided with a mounting hole 13 , and the mounting bracket 2 is detachably fixed on the test bench 1 through the mounting hole 13 .

The two columns 5 on the four directions on the test bench 1 are all installed in the middle of the four directions, and the columns 5 on each direction are installed symmetrically with the midpoints of the four sides; and the rotating shaft 6 The mounting position corresponds to the midpoint of each side.

The installation positions of the displacement measuring devices 11 on the two uprights 5 in the four directions on the test platform are equal to the middle part when the simulated gas cylinder 3 is laid flat.

The clamping plates 10 on the hydraulic clamping devices 8 on the left and right sides are all set to an arc-shaped structure compatible with the body of the simulated gas cylinder 3; Planar structure.

The displacement measuring device 11 can be set as a measuring dial indicator or an infrared measuring device; the hydraulic jacking device 8 can be set as a hydraulic jack.

In the present invention, hydraulic jacking devices are installed in the four directions on the test bench through columns. During the test, the jacking devices in each direction are tested and started sequentially. The hydraulic jacking device applies a standard pressing force, and the displacement installed on the other side The displacement measured by the measuring device can be used to determine whether the strength of the mounting bracket meets the requirements; when pressing one side, place the hydraulic jacking device on the side horizontally so that the jacking rod is stuck on the simulated gas cylinder, and the other The hydraulic clamping device on the opposite side can be transferred to the other direction through the rotation of the rotating plate to separate the clamping plate of the hydraulic clamping device from the body of the simulated gas cylinder, so as not to hinder the hydraulic clamping device on the other side The compression measurement function, when the standard force is applied, the simulated gas cylinder moves, and the displacement measuring device on this side and the displacement measuring device on the opposite side can measure the moving distance of the simulated gas cylinder, which increases the accuracy of displacement measurement; Therefore, this device can adjust the position of the hydraulic jacking device on each side to measure the strength of different sides through the action of the rotating plate, and can perform strength tests on all four sides in a wide range, not only in a wide range but also in the measurement accuracy. improve.

The above-mentioned specific implementation is only a preferred embodiment of the present invention, and is not used to limit the implementation of the present invention and the scope of claims. All equivalent changes and modifications made according to the content described in the patent protection scope of the present invention application are all Should be included in the patent application scope of the present invention.

Claims (8)

1. A kind of 1. strength testing device of gas cylinder mounting bracket, it is characterised in that：Including testboard (1), testing stand can be fixed on (1) mounting bracket (2) on and the simulation gas cylinder (3) being mountable in mounting bracket (2) for simulation；Described installation The installation holder (4) laterally set and longitudinally disposed for fixing gas cylinder is provided with support (2)；Described simulation Gas cylinder (3) is securable in mounting bracket (2) by installing holder (4)；The left side of described testboard (1), right edge, The middle part of front side edge and back side edge is respectively provided with two columns (5), and the height of two columns (5) is at least above mould Intend height when gas cylinder (3) is kept flat；And then it is mounted on a rotating shaft (6) between two columns (5)；The position of described rotating shaft (6) Centre position when keeping flat with simulation gas cylinder (3) is put mutually to maintain an equal level；And rotor plate (7) is installed in described rotating shaft (6), it is described Rotor plate (7) can surround rotating shaft (6) and rotate, and the end face of described rotor plate (7) is also equipped with hydraulic pressure holding device (8), institute The end of the top-fastening rod (9) for the hydraulic pressure holding device (8) stated is also equipped with a pressing tight plate (10), and described pressing tight plate (10) then may be used It is stuck on the middle part of simulation gas cylinder (3), promotes simulation gas cylinder (3) to move left and right；And in upper four orientation of testboard (1) Displacement measuring device (11), displacement measuring device (11) the alignment simulation at left and right end are also horizontally installed with two columns (5) The left and right end of gas cylinder (3), the front and back end of displacement measuring device (11) the alignment simulation gas cylinder (3) of front and back end.
2. A kind of 2. strength testing device of gas cylinder mounting bracket according to claim 1, it is characterised in that：The installation branch The direction board (12) of normal place when being also each provided with one on simulation gas cylinder (3) placement at corner on frame (2).
3. A kind of 3. strength testing device of gas cylinder mounting bracket according to claim 1, it is characterised in that：Described installation Mounting hole (13) is additionally provided with support (2), described mounting bracket (2) is detachably secured to test by mounting hole (13) On platform (1).
4. A kind of 4. strength testing device of gas cylinder mounting bracket according to claim 1, it is characterised in that：The testboard (1) two columns (5) in upper four orientation are installed in the centre position in four orientation, and the column in each orientation (5) setting is symmetrically installed with the midpoint of four sides；And the installation site of rotating shaft (6) corresponds to the midpoint of every side.
5. A kind of 5. strength testing device of gas cylinder mounting bracket according to claim 1, it is characterised in that：Described test The installation site of the displacement measuring device (11) on two columns (5) on platform in (1) four orientation is kept flat with simulation gas cylinder (3) When middle part mutually maintain an equal level.
6. A kind of 6. strength testing device of gas cylinder mounting bracket according to claim 1, it is characterised in that：The left and right sides Hydraulic pressure holding device (8) on pressing tight plate (10) be disposed as and the arcuate structure that is adapted of simulation gas cylinder (3) body；It is and preceding Pressing tight plate (10) on rear side on hydraulic means (8) is then arranged to planar panel structure.
7. A kind of 7. strength testing device of gas cylinder mounting bracket according to claim 1, it is characterised in that：Described displacement Measurement apparatus (11) may be configured as measuring dial gauge either infrared measuring device.
8. A kind of 8. strength testing device of gas cylinder mounting bracket according to claim 1, it is characterised in that：Described hydraulic pressure Holding device (8) may be configured as hydraulic jack.