CN218782118U - Rigidity testing machine for large-diameter water delivery pipe ring - Google Patents
Rigidity testing machine for large-diameter water delivery pipe ring Download PDFInfo
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- CN218782118U CN218782118U CN202223261142.2U CN202223261142U CN218782118U CN 218782118 U CN218782118 U CN 218782118U CN 202223261142 U CN202223261142 U CN 202223261142U CN 218782118 U CN218782118 U CN 218782118U
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Abstract
The utility model belongs to the technical field of the technique of testing and specifically relates to a heavy-calibre water delivery pipe ring rigidity testing machine is related to. The utility model discloses a frame and base, the frame is fixed to be set up on the base, be provided with the removal roof beam in the frame, there is the lead screw removal roof beam both sides through threaded connection respectively, screw connection power device, removal roof beam bottom is provided with the top board, just be provided with the holding down plate to the top board on the base, be provided with pressure sensor on the top board, it is provided with the controller to be close to base department in the frame. The walking beam is driven through the screw rod, the force transmission distance is far, no loss exists in force transmission, the screw rod has the self-locking effect, resilience is not easy to occur in the pressure application process, the water pipe sample is clamped and force is applied through the upper pressing plate and the lower pressing plate, and the pressure application size is controlled through the pressure sensor.
Description
Technical Field
The utility model belongs to the technical field of the technique of testing and specifically relates to a heavy-calibre water delivery pipe ring rigidity testing machine is related to.
Background
In order to adapt to long-distance pipeline transportation and underground water delivery engineering, the caliber of the water delivery pipe reaches 3 meters to 4.5 meters, a large-caliber water delivery pipe needs to be buried underground for a long time to bear the pressure under the ground and from the ground, and in order to ensure that the manufactured pipeline can bear larger pressure and can ensure a certain service life, reduce the maintenance cost, the rigidity of the pipeline and the like need to be tested in advance.
At present, all pipeline rigidity testing machines are small testing machines, the testing range is small steel pipes or medium steel pipes, and the tests of large steel pipes and ultra-large steel pipes cannot be realized by adopting the small testing machines, so that a machine capable of testing the large steel pipes and the ultra-large steel pipes is needed.
SUMMERY OF THE UTILITY MODEL
In order to provide a can be suitable for the experimental testing machine of large-scale steel pipe and extra-large-scale steel pipe, the utility model provides a heavy-calibre water delivery pipe ring rigidity testing machine.
The utility model provides a pair of large-diameter water delivery pipe ring rigidity testing machine adopts following technical scheme:
the utility model provides a heavy-calibre water delivery pipe ring rigidity testing machine, includes frame and base, the frame is fixed to be set up on the base, be provided with the walking beam in the frame, there is the lead screw walking beam both sides through threaded connection respectively, screw connection power device, the walking beam bottom is provided with the top board, just be provided with the holding down plate to the top board on the base, be provided with pressure sensor on the top board, be close to base department in the frame and be provided with the controller.
Through adopting above-mentioned technical scheme, the walking beam passes through the lead screw and transmits, and power distance is far away and pass power and do not have the loss, and the lead screw has the effect of auto-lock, is difficult to appear kick-backing in the in-process of exerting pressure, carries out the centre gripping and provides the application of force to the water pipe sample through top board and holding down plate to exert pressure size through pressure sensor control.
Preferably, the lead screw is arranged on the inner side of the rack and sealed through a dust cover, the dust cover is folded into a multi-layer telescopic structure, one end of the dust cover is fixed on the rack, and the other end of the dust cover is fixed on the movable beam.
Through adopting above-mentioned technical scheme, seal the lead screw through setting up the dust cover, prevent that the dust from getting into the life-span that influences the lead screw.
Preferably, the movable beam is provided with a limiting block, and the limiting block is sleeved on the screw rod through the unthreaded hole.
By adopting the technical scheme, the limiting block effectively centralizes the moving beam to move, and the moving beam is prevented from deflecting due to the fact that the long lead screw moves to bend.
Preferably, the two sides of the base are provided with rollers.
Through adopting above-mentioned technical scheme, be used for supporting the test piece through setting up the roller bearing, can utilize the roller bearing convenience simultaneously with test piece angle of adjustment.
Preferably, the roller is movably arranged on the ground through a jacking oil cylinder.
By adopting the technical scheme, the jacking oil cylinder drives the roller to descend when the supporting is not needed, so that the experiment is not influenced.
Preferably, the surfaces of the upper pressing plate and the lower pressing plate are provided with anti-skid patterns.
Through adopting above-mentioned technical scheme, reduce the slippage probability in the sample test process through setting up anti-skidding decorative pattern.
To sum up, the utility model discloses following useful technological effect has:
1. the walking beam is driven through the screw rod, the force transmission distance is far, no loss exists in force transmission, the screw rod has the self-locking effect, resilience is not easy to occur in the pressure application process, the water pipe sample is clamped and force is applied through the upper pressing plate and the lower pressing plate, and the pressure application size is controlled through the pressure sensor.
2. Seal up the lead screw through setting up the dust cover, prevent that the dust from getting into the life-span that influences the lead screw, the stopper effectively rights the walking beam and removes, prevent that long lead screw motion from taking place the bending and leading to the walking beam motion to produce and deflect, be used for supporting the test piece through setting up the roller bearing, can utilize the roller bearing convenience to drive test piece angle of adjustment simultaneously, jacking cylinder drives the roller bearing decline when need not supporting, make it not influence the experiment, reduce the slippage probability in the test piece process through setting up anti-skidding decorative pattern.
Drawings
Fig. 1 is a schematic view of the overall usage state structure of the present invention.
Description of reference numerals:
1. the device comprises a rack, 11, a screw rod, 12, a dust cover, 2, a movable beam, 21, a limiting block, 3, a pressure sensing device, 4, an upper pressure plate, 5, a base, 6, a lower pressure plate, 7, a jacking oil cylinder, 71, a rolling shaft, 8 and a controller.
Detailed Description
The present invention will be described in further detail with reference to fig. 1.
Example 1:
the embodiment of the utility model discloses heavy-calibre water delivery pipe ring rigidity testing machine refers to fig. 1, including frame 1 and base 5, frame 1 is fixed to be set up on base 5, be provided with walking beam 2 in the frame 1, there is lead screw 11 respectively through threaded connection in 2 both sides of walking beam, power device is connected to lead screw 11, 2 bottoms of walking beam are provided with top board 4, just be provided with holding down plate 6 to top board 4 on the base 5, be provided with pressure sensor 3 on the top board 4, it is provided with controller 8 to be close to base 5 department in the frame 1.
The embodiment of example 1 is:
during the use, hang the sample piece to the testing machine on through hoisting equipment to place on holding down plate 6, remove walking beam 2 and drive upper press plate 4 and clip the sample piece, continue to move upper press plate 4 and exert certain atress for the sample piece, start-stop and scram that carry out the experiment through controller 8 control.
Example 2:
the following components are added on the basis of the embodiment 1:
referring to fig. 1, the lead screw 11 is disposed inside the frame and sealed by a dust cover 12, the dust cover 12 is folded into a multi-layer telescopic structure, one end of the dust cover 12 is fixed on the frame 1, and the other end is fixed on the movable beam 2.
Referring to fig. 1, a limiting block 21 is arranged on the movable beam 2, and the limiting block 21 is sleeved on the screw rod 11 through an unthreaded hole.
Referring to fig. 1, rollers 71 are disposed on both sides of the base 5.
Referring to fig. 1, the roller 71 is movably disposed on the ground through a jacking cylinder 7.
Referring to fig. 1, the surfaces of the upper pressing plate 4 and the lower pressing plate 6 are provided with anti-slip patterns.
The speed reducer and the synchronous cog belt are driven by a full digital AC servo motor to drive two pairs of high-precision gapless precision ball screws to transmit.
The testing machine also comprises a displacement sensor.
The embodiment of example 2 is:
when the same sample piece is subjected to angle conversion, the roller 71 is lifted to support the sample piece, the sample piece is rotated by the roller 71, and the sample piece is put down after the roller is rotated to the position and then the test is continued.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. The utility model provides a large-diameter water delivery pipe ring rigidity test machine, includes frame (1) and base (5), its characterized in that: the rack (1) is fixedly arranged on the base (5), the moving beam (2) is arranged on the rack (1), two sides of the moving beam (2) are respectively connected with a lead screw (11) through threads, and the lead screw (11) is connected with a power device;
an upper pressing plate (4) is arranged at the bottom of the moving beam (2), and a lower pressing plate (6) is arranged on the base (5) and is opposite to the upper pressing plate (4);
the upper pressure plate (4) is provided with a pressure sensor (3);
a controller (8) is arranged on the frame (1) and close to the base (5).
2. The large-caliber water pipe ring stiffness testing machine according to claim 1, characterized in that: the lead screw (11) is arranged on the inner side of the rack and sealed through a dust cover (12), the dust cover (12) is folded into a multi-layer telescopic structure, one end of the dust cover (12) is fixed on the rack (1), and the other end of the dust cover is fixed on the movable beam (2).
3. The large-caliber water pipe ring stiffness testing machine according to claim 1, is characterized in that: a limiting block (21) is arranged on the movable beam (2), and the limiting block (21) is sleeved on the lead screw (11) through a unthreaded hole.
4. The large-caliber water pipe ring stiffness testing machine according to claim 1, characterized in that: and rolling shafts (71) are arranged on two sides of the base (5).
5. The large-caliber water pipe ring stiffness testing machine according to claim 4, characterized in that: the rolling shaft (71) is movably arranged on the ground through a jacking oil cylinder (7).
6. The large-caliber water pipe ring stiffness testing machine according to claim 1, is characterized in that: and anti-skid patterns are arranged on the surfaces of the upper pressing plate (4) and the lower pressing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223261142.2U CN218782118U (en) | 2022-12-06 | 2022-12-06 | Rigidity testing machine for large-diameter water delivery pipe ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223261142.2U CN218782118U (en) | 2022-12-06 | 2022-12-06 | Rigidity testing machine for large-diameter water delivery pipe ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218782118U true CN218782118U (en) | 2023-03-31 |
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ID=85711168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223261142.2U Active CN218782118U (en) | 2022-12-06 | 2022-12-06 | Rigidity testing machine for large-diameter water delivery pipe ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218782118U (en) |
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2022
- 2022-12-06 CN CN202223261142.2U patent/CN218782118U/en active Active
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