CN213456378U - Outer insulation system material testing arrangement that shocks resistance - Google Patents
Outer insulation system material testing arrangement that shocks resistance Download PDFInfo
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- CN213456378U CN213456378U CN202021879498.0U CN202021879498U CN213456378U CN 213456378 U CN213456378 U CN 213456378U CN 202021879498 U CN202021879498 U CN 202021879498U CN 213456378 U CN213456378 U CN 213456378U
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Abstract
The invention relates to an impact resistance testing device for an external thermal insulation system material, which comprises a bracket, a base, an operating platform, an electromagnetic acceleration channel, a steel ball and a positioning bolt, wherein the electromagnetic acceleration channel is arranged on the base; the operating platform is fixedly arranged at one end of the base, which is relatively far away from the bracket; the method is characterized in that: the electromagnetic acceleration channel is positioned between the bracket and the operating platform, and the diameter of the electromagnetic acceleration channel is larger than that of the steel ball; one end of the electromagnetic acceleration channel is fixedly connected to the operating platform, one end of the electromagnetic acceleration channel, which is close to the bracket, is provided with an impact port, and the distance between the impact port and the bracket is smaller than the radius of the steel ball; the electromagnetic acceleration channel is arranged in a mode that the axis is inclined relative to the horizontal direction, and the vertical height of the impact opening is larger than that of a connecting part of the electromagnetic acceleration channel and the operation table.
Description
Technical Field
The invention relates to the technical field of external wall insulation, in particular to an impact resistance testing device for an external insulation system material.
Background
The external thermal insulation system for the external wall is a general name of a non-bearing thermal insulation structure which is composed of a thermal insulation layer, a protective layer and a fixing material and is suitable for being installed on the external surface of the external wall. The external thermal insulation system of the external wall is divided into a plurality of types due to different thermal insulation layer materials, the thermal insulation performance of different thermal insulation materials of the system is suitable for different climatic regions and use environments, and when the system is suitable for different occasions, the impact resistance performance test of the thermal insulation system is needed.
According to the national standard JG/T287-2013, a tester usually adopts a method of manually releasing a steel ball to freely fall and impact a sample to perform an impact resistance test, but the problem of irregular height and fall point exists in the manual release of the steel ball, which can affect the test result, and further can cause the steel ball to accidentally injure the tester. The existing impact testing device still continues to use the impact of a steel ball free falling body type, the steel ball can bounce after impact to generate secondary impact, and the condition that the outer wall is impacted under the actual condition cannot be simulated. And the steel ball needs manual reset after the impact is finished, which wastes manpower.
Therefore, the research and development of the impact resistance testing device for the external thermal insulation system material, which can simulate the actual impact situation of the external wall and does not need to manually reset the steel ball, is a technical problem which needs to be solved urgently.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide an outer insulation system material shock resistance testing arrangement.
The technical scheme of the utility model, an outer insulation system material shock resistance testing device, includes support, base, operation panel, electromagnetism accelerating channel, steel ball and positioning bolt; the operating platform is fixedly arranged at one end of the base, which is relatively far away from the bracket; the method is characterized in that: the electromagnetic acceleration channel is positioned between the bracket and the operating platform, and the diameter of the electromagnetic acceleration channel is larger than that of the steel ball; one end of the electromagnetic acceleration channel is fixedly connected to the operating platform, one end of the electromagnetic acceleration channel, which is close to the bracket, is provided with an impact port, and the distance between the impact port and the bracket is smaller than the radius of the steel ball; the electromagnetic acceleration channel is arranged in a mode that the axis is inclined relative to the horizontal direction, and the vertical height of the impact opening is larger than that of a connecting part of the electromagnetic acceleration channel and the operation table.
After the structure is adopted, the sample is fixed on the position, corresponding to the impact port, of the support, the steel ball in the support is accelerated through the electromagnetic acceleration channel, the steel ball moves along the electromagnetic acceleration channel, and when the steel ball reaches the impact port, kinetic energy reaches the test standard vertebra to impact the sample. The steel ball rebounds after colliding with the sample, and because the axis of the electromagnetic acceleration channel inclines relative to the horizontal direction, the impact port is located at a higher position, and the steel ball returns to the initial position along the electromagnetic acceleration channel, so that the automatic resetting of the steel ball is realized while the secondary impact of the steel ball on the sample is avoided. And the distance between the impact port and the bracket is smaller than the radius of the steel ball, so that the steel ball cannot be separated from the electromagnetic acceleration channel from the impact port during testing, and unnecessary harm is caused.
As a further improvement of the present invention, the electromagnetic accelerating channel includes a tube body, an electromagnet and a weak magnetic guide rail; the tube body is provided with a plurality of electromagnets at intervals along the axial direction, and the interior of the tube body is fixedly provided with a weak magnetic guide rail along the axial direction; the weak magnetic guide rail is adapted to the steel ball.
After the structure is adopted, the electromagnets which are arranged at intervals on the pipe body work in sequence to generate magnetic force to drive the steel ball to move towards the impact opening at an accelerated speed. The weak magnetic guide rail reduces the friction force on the steel ball during movement without the electromagnet, and simultaneously guides the movement track of the steel ball, so that the steel ball is ensured to have kinetic energy meeting the standard when moving to the impact port.
As a further improvement, the operation panel is equipped with the forced induction device with electromagnetism channel junction portion with higher speed, and this operation panel is equipped with the pilot lamp with the forced induction device linkage.
After adopting above-mentioned structure, when the steel ball returned to initial position along electromagnetism acceleration channel, namely when operation panel and electromagnetism acceleration channel connecting portion, the steel ball contacted pressure induction system, and the pilot lamp lights, carries out next impact test. When the steel ball is not reset, the device is started, so that the kinetic energy of steel ball impact is possibly not in accordance with the test standard, and the reliability of the test result is influenced.
As a further improvement, the base is equipped with the base bolt hole, the operation panel bottom is equipped with the positioning bolt hole corresponding with the base bolt hole, positioning bolt passes base bolt hole and positioning bolt hole fixed connection operation panel and base.
After the structure is adopted, the operation table and the electromagnetic acceleration channel can be removed from the base. Because the impact test standard vertebra needs two different types of steel balls for testing, the steel balls need to be replaced in the operation process. Meanwhile, the steel ball impacts the sample to generate fragments to enter the electromagnetic acceleration channel, and potential safety hazards exist when the sample is not cleaned in time.
As a further improvement of the present invention, the bracket includes a first bracket, a second bracket and a third bracket; the first bracket is provided with a transverse moving groove, the second bracket is provided with two vertical supporting rods, and the second bracket is clamped in the transverse moving groove and movably connected; the supporting rod is provided with a vertical moving groove, a fixing bolt hole which penetrates through the supporting rod from the outside to the vertical moving groove, and a fixing bolt which is matched with the fixing bolt hole, wherein the fixing bolt penetrates through the fixing bolt hole and is connected and arranged on the supporting rod; the third support is provided with a sample cavity, an inlet and an outlet for connecting the sample cavity with the outside, and a test port, and the third support is clamped in the vertical moving groove and movably connected.
After the structure is adopted, the sample is placed into the sample cavity of the third support from the inlet and the outlet, and the test port is aligned to the impact port, so that the impact of the steel ball on the sample can be realized. Through the lateral shifting between first support and second support, the vertical removal between second support and third support realizes the adjustment to the sample position. By rotating the fixing bolt inward, the fixing bolt exerts pressure on the third bracket against the vertically moving groove, thereby fixing the third bracket relative to the second bracket.
As a further improvement of the utility model, the junction of first support, second support, third support is equipped with the scale.
After adopting above-mentioned structure, because different impact point intervals are not less than 100mm on the same sample of test standard regulation, consequently need accurately mark sample displacement with reference to the scale when adjusting the support, guarantee the reliability of experimental result.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a cross-sectional view of an electromagnetic acceleration channel.
Fig. 3 is a schematic view of the console connection.
Fig. 4 is a schematic view of the stent structure.
1-bracket, 2-base, 3-operation table, 4-electromagnetic accelerating channel, 5-steel ball, 6-positioning bolt, 7-impact port, 8-tube, 9-electromagnet, 10-weak magnetic guide rail, 11-pressure sensing device, 12-indicator light, 13-base bolt hole, 14-positioning bolt hole, 15-first bracket, 16-second bracket, 17-third bracket, 18-transverse moving groove, 19-support rod, 20-vertical moving groove, 21-fixing bolt hole, 22-fixing bolt, 23-sample cavity, 24-inlet and outlet, 25-test port and 26-graduated scale.
Detailed Description
As shown in fig. 1-4, the impact resistance testing device for the material of the external thermal insulation system comprises a bracket 1, a base 2, an operating platform 3, an electromagnetic acceleration channel 4, a steel ball 5 and a positioning bolt 6; the support 1 is fixedly connected with the base 2, and the operating platform 3 is fixedly arranged at one end, far away from the support 1, of the base 2; the method is characterized in that: the electromagnetic acceleration channel 4 is positioned between the bracket 1 and the operating platform 3, and the diameter of the electromagnetic acceleration channel 4 is larger than that of the steel ball 5; one end of the electromagnetic acceleration channel 4 is fixedly connected to the operating platform 3, one end of the electromagnetic acceleration channel 4, which is close to the bracket 1, is provided with an impact port 7, and the distance between the impact port 7 and the bracket 1 is smaller than the radius of the steel ball 5; the electromagnetic acceleration channel 4 is arranged in a manner that the axis is inclined relative to the horizontal direction, and the vertical height of the impact port 7 is larger than that of the connecting part of the electromagnetic acceleration channel 4 and the operation table 3.
The sample is fixed on the position, corresponding to the impact port 7, of the support 1, the steel ball 5 in the support is accelerated through the electromagnetic acceleration channel 4, the steel ball 5 moves along the electromagnetic acceleration channel 4, and when the steel ball reaches the impact port 7, kinetic energy reaches a test standard vertebra to impact the sample. The steel ball 5 rebounds after colliding with the sample, the impact port 7 is located at a higher position due to the fact that the axis of the electromagnetic acceleration channel 4 inclines relative to the horizontal direction, the steel ball 5 returns to the initial position along the electromagnetic acceleration channel 4, and automatic reset of the steel ball 5 is achieved while secondary impact of the steel ball 5 on the sample is avoided. And the distance between the impact port 7 and the bracket 1 is smaller than the radius of the steel ball 5, so that the steel ball 5 cannot be separated from the electromagnetic acceleration channel 4 from the impact port 7 during testing, and unnecessary harm is caused.
The electromagnetic acceleration channel 4 comprises a pipe body 8, an electromagnet 9 and a weak magnetic guide rail 10; the tube body 8 is provided with a plurality of electromagnets 9 at intervals along the axial direction, and a weak magnetic guide rail 10 is fixedly arranged inside the tube body 8 along the axial direction; the weak magnetic guide rail 10 is adapted to the steel ball 5.
The electromagnets 9 arranged at intervals on the tube body 8 work in sequence to generate magnetic force to drive the steel ball 5 to move towards the impact opening 7 at an accelerated speed. The weak magnetic guide rail 10 reduces the friction force on the steel ball 5 during movement without the electromagnet 9, and guides the movement track of the steel ball 5 at the same time, so that the steel ball 5 is ensured to have kinetic energy meeting the standard when moving to the impact port 7.
The connection part of the operation platform and the electromagnetic acceleration channel is provided with a pressure induction device 11, and the operation platform 3 is provided with an indicator light 12 which is linked with the pressure induction device 11.
When the steel ball 5 returns to the initial position along the electromagnetic acceleration channel 4, namely the connection part of the operation platform 3 and the electromagnetic acceleration channel 4, the steel ball 5 contacts the pressure sensing device 11, the indicator lamp 12 is lighted up, and the next impact test is carried out. When the steel ball 5 is not reset, the device is started, so that the kinetic energy of the impact of the steel ball 5 is possibly not in accordance with the test standard, and the reliability of the test result is influenced.
The base 2 is provided with a base bolt hole 13, the bottom of the operating platform 3 is provided with a positioning bolt hole 14 corresponding to the base bolt hole 13, and the positioning bolt 6 penetrates through the base bolt hole 13 and the positioning bolt hole 14 to be fixedly connected with the operating platform 3 and the base 2.
The operation table 3 and the electromagnetic acceleration path 4 can be removed from the base 2. Because the impact test standard vertebra needs two different types of steel balls 5 for testing, the steel balls 5 need to be replaced in the operation process. Meanwhile, the steel ball 5 impacts the sample to generate fragments to enter the electromagnetic acceleration channel 4, and potential safety hazards exist when the sample is not cleaned in time.
The bracket 1 comprises a first bracket 15, a second bracket 16 and a third bracket 17; the first bracket 15 is provided with a transverse moving groove 18, the second bracket 16 is provided with two vertical supporting rods 19, and the second bracket 16 is clamped in the transverse moving groove 18 to be movably connected; the supporting rod 19 is provided with a vertical moving groove 20, a fixing bolt hole 21 which penetrates through the supporting rod 19 from the outside to the vertical moving groove 20, and a fixing bolt 22 corresponding to the fixing bolt hole 21, and the fixing bolt 22 penetrates through the fixing bolt hole 21 and is connected to the supporting rod 19; the third bracket 17 is provided with a sample cavity 23, an inlet and an outlet 24 for connecting the sample cavity with the outside, and a test port 25, and the third bracket 17 is clamped in the vertical moving groove 20 for movable connection.
The sample is put into the sample cavity 23 of the third bracket 17 from the inlet and outlet 24, and the test port 25 is aligned with the impact port 7, so that the impact of the steel ball 5 on the sample can be realized. The position of the sample is adjusted by the transverse movement between the first bracket 15 and the second bracket 16 and the vertical movement between the second bracket 16 and the third bracket 17. By rotating the fixing bolt 22 inward, the fixing bolt 22 makes a pressure against the third bracket 17 with respect to the vertical moving groove 20, thereby fixing the third bracket 17 with respect to the second bracket 16.
And a graduated scale 26 is arranged at the joint of the first support 15, the second support 16 and the third support 17.
Because different impact point intervals on the same sample are not less than 100mm according to the test standard, the sample moving distance needs to be accurately marked by referring to the graduated scale 26 when the bracket 1 is adjusted, and the reliability of an experimental result is ensured.
Claims (6)
1. An impact resistance testing device for an external thermal insulation system material comprises a support (1), a base (2), an operating platform (3), an electromagnetic acceleration channel (4), a steel ball (5) and a positioning bolt (6); the support (1) is fixedly connected with the base (2), and the operating table (3) is fixedly arranged at one end, far away from the support (1), of the base (2); the method is characterized in that: the electromagnetic acceleration channel (4) is positioned between the bracket (1) and the operating platform (3), and the diameter of the electromagnetic acceleration channel (4) is larger than that of the steel ball (5); one end of the electromagnetic acceleration channel (4) is fixedly connected to the operating platform (3), one end of the electromagnetic acceleration channel (4) close to the support (1) is provided with an impact port (7), and the distance between the impact port (7) and the support (1) is smaller than the radius of the steel ball (5); the electromagnetic acceleration channel (4) is arranged in a mode that the axis is inclined relative to the horizontal direction, and the vertical height of the impact port (7) is larger than that of the connecting part of the electromagnetic acceleration channel (4) and the operating platform (3).
2. The external thermal insulation system material impact resistance testing device according to claim 1, characterized in that: the electromagnetic acceleration channel (4) comprises a pipe body (8), an electromagnet (9) and a weak magnetic guide rail (10); the tube body (8) is provided with a plurality of electromagnets (9) at intervals along the axial direction, and a weak magnetic guide rail (10) is fixedly arranged inside the tube body (8) along the axial direction; the weak magnetic guide rail (10) is adapted to the steel ball (5).
3. The external thermal insulation system material impact resistance testing device according to claim 1, characterized in that: the operation panel (3) is equipped with pressure-sensitive device (11) with electromagnetism acceleration channel (4) connecting portion, and this operation panel (3) is equipped with pilot lamp (12) with pressure-sensitive device (11) linkage.
4. The external thermal insulation system material impact resistance testing device according to claim 1, characterized in that: the base (2) is provided with a base bolt hole (13), a positioning bolt hole (14) corresponding to the base bolt hole (13) is formed in the bottom of the operating platform (3), and the positioning bolt (6) penetrates through the base bolt hole (13) and the positioning bolt hole (14) to be fixedly connected with the operating platform (3) and the base (2).
5. The external thermal insulation system material impact resistance testing device according to claim 1, characterized in that: the bracket (1) comprises a first bracket (15), a second bracket (16) and a third bracket (17); the first support (15) is provided with a transverse moving groove (18), the second support (16) is provided with two vertical support rods (19), and the second support (16) is clamped in the transverse moving groove (18) to be movably connected; the supporting rod (19) is provided with a vertical moving groove (20), a fixing bolt hole (21) which penetrates through the supporting rod (19) to the vertical moving groove (20) from the outside, and a fixing bolt (22) which is matched with the fixing bolt hole (21), and the fixing bolt (22) penetrates through the fixing bolt hole (21) and is connected and arranged on the supporting rod (19); the third support (17) is provided with a sample cavity (23), an entrance (24) and a test port (25) for connecting the sample cavity (23) with the outside, and the third support (17) is clamped in the vertical moving groove (20) to be movably connected.
6. The external thermal insulation system material impact resistance testing device according to claim 5, characterized in that: and a graduated scale (26) is arranged at the joint of the first support (15), the second support (16) and the third support (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021879498.0U CN213456378U (en) | 2020-09-01 | 2020-09-01 | Outer insulation system material testing arrangement that shocks resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021879498.0U CN213456378U (en) | 2020-09-01 | 2020-09-01 | Outer insulation system material testing arrangement that shocks resistance |
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| Publication Number | Publication Date |
|---|---|
| CN213456378U true CN213456378U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021879498.0U Active CN213456378U (en) | 2020-09-01 | 2020-09-01 | Outer insulation system material testing arrangement that shocks resistance |
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| CN (1) | CN213456378U (en) |
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- 2020-09-01 CN CN202021879498.0U patent/CN213456378U/en active Active
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