CN116840090A - Fire hose wear resistance detection device - Google Patents
Fire hose wear resistance detection device Download PDFInfo
- Publication number
- CN116840090A CN116840090A CN202310868847.0A CN202310868847A CN116840090A CN 116840090 A CN116840090 A CN 116840090A CN 202310868847 A CN202310868847 A CN 202310868847A CN 116840090 A CN116840090 A CN 116840090A
- Authority
- CN
- China
- Prior art keywords
- carrier
- semicircular
- water
- belt
- hose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The invention discloses a fire hose wear resistance detection device, which comprises a bracket, a hose carrier arranged on the bracket and an abrasive belt transmission mechanism positioned beside the hose carrier, wherein the hose carrier comprises a semicircular hose carrier and a semicircular structural member fixedly connected with the semicircular hose carrier, the hose carrier is provided with a hose rolling mechanism, the hose rolling mechanism comprises driven gears connected with two ends of a hose, and the driven gears are positioned at two ends of the semicircular hose carrier; the semicircular water band carrier is pivoted with the bracket, and a swinging component is arranged between the semicircular structural member and the bracket. And the water band is filled with water, two ends of the water band are connected with the driven gear, and the water band is bent on the semicircular water band carrier. The driven gear drives the water belt to roll, and the swinging component drives the semicircular water belt carrier to swing. Therefore, the abrasive belt is in point contact with the water belt, the point positions are continuously changed, and the water belt can be worn one by one in the point positions, so that the accuracy of detecting the overall wear resistance of the complete water belt is improved as much as possible.
Description
Technical Field
The invention relates to the technical field of product testing, in particular to fire hose testing equipment.
Background
The wear resistance of the fire hose is detected, water is filled in a section of fire hose, two ends of the fire hose are blocked, two ends of the fire hose are connected to the rotating piece, and the rotating piece is driven to rotate under the driving of the motor so as to drive the fire hose to rotate. The abrasive belt is used for closed-loop transmission, and is contacted with the fire hose to rub the fire hose until the fire hose is worn out to discharge water. Judging whether the fire hose reaches the standard according to the friction time, the friction relative speed and the pressure between the fire hose and the abrasive belt.
The fire hose is in theoretical line contact with the abrasive belt, however, in order to achieve the line contact effect, the fire hose needs to be parallel to the abrasive belt, and it is difficult to achieve the requirement in practice. It may be the case that the sanding belt is in point contact with the fire hose, or in several points contact, and the sanding belt rubs against several points of the fire hose until the fire hose is worn out. This condition affects the accuracy of the fire hose wear performance test results.
Disclosure of Invention
The technical problems solved by the invention are as follows: the accuracy of the fire hose wear resistance detection result is improved.
In order to solve the technical problems, the invention provides the following technical scheme: the fire hose wear resistance detection device comprises a bracket, a hose carrier arranged on the bracket and an abrasive belt transmission mechanism positioned beside the hose carrier, wherein the hose carrier comprises a semicircular hose carrier and a semicircular structural member fixedly connected with the semicircular hose carrier, the hose carrier is provided with a hose rolling mechanism, the hose rolling mechanism comprises driven gears connected with two ends of the hose, and the driven gears are positioned at two ends of the semicircular hose carrier; the semicircular water band carrier is pivoted with the bracket, a swinging assembly is arranged between the semicircular structural member and the bracket, and the semicircular water band carrier swings back and forth relative to the bracket under the driving of the swinging assembly.
According to the technical scheme, the abrasive belt transmission mechanism transmits the abrasive belt, and the abrasive belt performs closed transmission similar to the belt driven by the belt transmission mechanism. And the water band is filled with water, two ends of the water band are sealed by sealing pieces, and the sealing pieces are embedded into the water band. The two ends of the water band are respectively connected with the driven gears, and the water band is bent on the semicircular water band carrier. The driven gear rotates to drive the two ends of the water belt to rotate, and the two ends of the water belt drive the water belt to roll on the semicircular water belt carrier. Under the drive of the swinging component, the semicircular water band carrier swings back and forth relative to the bracket. In this way, the belt contacts the curved belt on the semicircular belt carrier at points, and the points at which the belt contacts the belt continuously change, both in the circumferential direction and in the length direction of the belt. Furthermore, the abrasive belt can wear the water belt one by one at the point positions, and can wear the water belt one by one at the point positions, so that the accuracy of detecting the overall wear resistance of the complete water belt is improved as much as possible.
The driven gears connected with the two ends of the water belt are a first driven gear and a second driven gear respectively, the first driven gear is meshed with the driving gear, the driving gear is meshed with the intermediate gear, the intermediate gear is meshed with the second driven gear, the driving gear is connected with the motor, and the motor is arranged on the semicircular water belt carrier. The semicircular water band carrier is provided with a motor cavity, and the motor is arranged in the motor cavity. The first driven gear, the second driven gear, the driving gear and the intermediate gear are positioned on the plane of the semicircular water band carrier, and the plane passes through the circle center of the semicircular water band carrier. The driving gear is used for driving the first driven gear and the second driven gear, and the intermediate gear is not only used for transmitting power, but also used for changing the transmission direction of the gears so that the rotation directions of the first driven gear and the second driven gear are opposite. The rotation directions of the first driven gear and the second driven gear are opposite, and the rotation directions of the two ends of the bent water band are opposite, so that the water band can roll on the semicircular carrier.
The driven gear is coaxially provided with a cylindrical water band fixing block, and the end part of the water band is sleeved on the water band fixing block. The water band fixed block and the driven gear synchronously rotate, and the water band fixed block drives the end part of the water band to rotate. The water band fixing block is arranged, so that the water band is conveniently positioned on the semicircular water band carrier, and the water band is conveniently detached from the semicircular carrier.
The driven gears are pivoted at two ends of the semicircular structural member. One side of any driven gear is provided with a water band fixing block, and the other side of the driven gear is pivoted with the end part of the semicircular structural part.
The running direction of the abrasive belt driven by the abrasive belt driving mechanism is the same as the rolling direction of the water belt on the water belt carrier. The abrasive belt is tangent to the water belt, and at the tangent position, the running direction of the abrasive belt is the same as the rolling direction of the water belt.
The swing assembly comprises an arc-shaped groove fixedly connected with the semicircular structural part and a cylindrical part matched in the arc-shaped groove, two ends of the cylindrical part are pivoted on the supporting part, the supporting part is arranged on the support, a first section of teeth are arranged on the cylindrical part, the circle center of the arc-shaped groove coincides with the circle center of the semicircular water belt carrier, a second section of teeth are arranged on the small-diameter side wall of the arc-shaped groove, and a third section of teeth are arranged on the large-diameter side wall of the arc-shaped groove. The motor is arranged on the supporting piece, the motor drives the cylindrical piece to rotate, when the first section of teeth on the cylindrical piece are meshed with the second section of teeth, the first section of teeth are not meshed with the third section of teeth, the first section of teeth drive the second section of teeth, the second section of teeth drive the arc-shaped groove and the whole water belt carrier to rotate, the rotating center is the circle center of the semicircular water belt carrier and the circle center of the bent water belt, and the rotation is forward rotation. And after the first section of teeth are separated from the second section of teeth, the continuously rotating cylindrical piece is meshed with the first section of teeth and the third section of teeth, the first section of teeth drive the third section of teeth, the third section of teeth drive the arc-shaped groove and the whole water belt carrier to rotate, and the rotating direction is opposite to the forward rotation. Thus, the water belt carrier swings back and forth, and the contact position of the water belt on the water belt carrier and the abrasive belt changes within a certain range.
Drawings
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a fire hose wear performance detection device;
FIG. 2 is a left side view of FIG. 1, with the brackets omitted;
FIG. 3 is a right side view of FIG. 1, with the brackets omitted;
FIG. 4 is a schematic illustration of the placement of a hose 90 on the semicircular hose carrier 30 of FIG. 1;
FIG. 5 is a left side view of FIG. 4;
fig. 6 is a schematic view of belt 90 of fig. 4 in contact with belt 60;
fig. 7 is a left side view of fig. 6, and abrasive belt 60 is a partial view.
The symbols in the drawings illustrate:
10. a bracket, which is simple in drawing, and highlights the main structure of the detection device; 11. a support member, which is simple in drawing, and highlights the main structure of the detection device;
20. a water hose carrier;
30. a semicircular water band carrier; 31. the pivot joint of the semicircular water band carrier and the bracket; 32. a connection of the semicircular water band carrier and the arc-shaped groove 71;
40. a semicircular structural member;
51. a first driven gear; 510. a water band fixing block; 52. a second driven gear; 53. a drive gear; 54. an intermediate gear; 55. a motor;
60. abrasive belt;
71. an arc-shaped groove; 72. a cylindrical member; 73. a first segment of teeth; 74. a second segment of teeth; 75. a third segment of teeth;
90. and (3) a water hose.
Detailed Description
Referring to fig. 1 to 3, the fire hose wear resistance detection device comprises a bracket 10, a hose carrier 20 arranged on the bracket, and an abrasive belt transmission mechanism positioned beside the hose carrier, wherein the hose carrier comprises a semicircular hose carrier 30 and a semicircular structural member 40 fixedly connected with the semicircular hose carrier, the hose carrier is provided with a hose rolling mechanism, the hose rolling mechanism comprises driven gears connected with two ends of a hose, and the driven gears are positioned at two ends of the semicircular hose carrier; the semicircular water band carrier is pivoted with the bracket, a swinging assembly is arranged between the semicircular structural member and the bracket, and the semicircular water band carrier swings back and forth relative to the bracket under the driving of the swinging assembly.
With reference to fig. 1, 4-7, the belt drive mechanism drives belt 60, which is a closed drive. A section of water band 90 is filled with water, two ends of the water band are sealed by sealing pieces, and the sealing pieces are embedded into the water band. The two ends of the hose 90 are respectively connected with driven gears, and the hose is bent on the semicircular hose carrier 30. The driven gears rotate to drive the two ends of the water belt to rotate, and the two ends of the water belt drive the water belt to roll on the semicircular water belt carrier 30. The semicircular water band carrier 30 swings back and forth relative to the bracket 10 under the drive of the swing assembly. In this way, belt 60 is in point contact with the curved belt on semicircular belt carrier 30, and the point at which belt 90 contacts belt 60 varies continuously, both in the circumferential direction and in the longitudinal direction of the belt.
As shown in fig. 1, the driven gears connected with the two ends of the water belt 90 are a first driven gear 51 and a second driven gear 52 respectively, the first driven gear is meshed with a driving gear 53, the driving gear is meshed with an intermediate gear 54, the intermediate gear is meshed with the second driven gear, the driving gear is connected with a motor 55, and the motor is mounted on the semicircular water belt carrier 30.
The semicircular water band carrier 30 is provided with a motor cavity, and the motor 55 is arranged in the motor cavity. The first driven gear 51, the second driven gear 52, the driving gear 53 and the intermediate gear 54 are located on a plane of the semicircular water band carrier 30 passing through the center of the semicircular water band carrier. The driving gear 53 is used to drive the first driven gear 51 and the second driven gear 52, and the intermediate gear 54 is used not only to transmit power but also to change the transmission direction of the gears so that the rotation directions of the first driven gear 51 and the second driven gear 52 are opposite. The first driven gear 51 and the second driven gear 52 rotate in opposite directions, and after bending, the two ends of the hose 90 rotate in opposite directions, so that the hose can roll on the semicircular hose carrier 30.
The driven gear is coaxially provided with a cylindrical water band fixing block 510, and the end part of the water band 90 is sleeved on the water band fixing block. The water band is bent, water is filled in the water band, and two ends of the water band are sleeved on the water band fixing block 510, so that the water band is easy to install and not easy to fall off.
The driven gears are pivotally connected at opposite ends to the semi-circular structural members 40. One side of any driven gear is provided with a water band fixing block 510, and the other side is pivoted with the end part of the semicircular structural part 40.
The belt 60 driven by the belt drive mechanism travels in the same direction as the roll of belt 90 on belt carrier 20. Abrasive belt 60 is tangential to belt 90 where the direction of travel of abrasive belt 60 is the same as the roll direction of belt 90. The two ends of the water belt are stressed to roll on the semicircular water belt carrier 30, and if the middle part of the water belt 90 is stressed, the water belt can roll more smoothly. For this purpose, the present invention will move belt 60 in the same direction as belt 90 rolls, so that belt will help roll while rubbing belt 90.
The swinging component comprises an arc-shaped groove 71 fixedly connected with the semicircular structural part 40 and a cylindrical part 72 matched in the arc-shaped groove, wherein two ends of the cylindrical part are pivoted on a supporting part 11, the supporting part is arranged on a bracket 10, a first section of tooth 73 is arranged on the cylindrical part, the circle center of the arc-shaped groove coincides with the circle center of the semicircular water hose carrier 30, a second section of tooth 74 is arranged on the small-diameter side wall of the arc-shaped groove, and a third section of tooth 75 is arranged on the large-diameter side wall of the arc-shaped groove. The motor is installed on the support 11, the motor drives the cylindrical member 72 to rotate, when the first section of teeth 73 on the cylindrical member are meshed with the second section of teeth 74, the first section of teeth 73 are not meshed with the third section of teeth 75, the first section of teeth 73 drive the second section of teeth 74, the second section of teeth drive the arc-shaped groove 71 and the whole water carrier 20 to rotate, the center of rotation is the center of a semicircle water carrier 30, the center of a water carrier 90 after bending, and the rotation is set to be forward rotation. After the first section of teeth 73 and the second section of teeth 74 are separated, the continuously rotating cylindrical member 72 is meshed with the first section of teeth 73 and the third section of teeth 75, the first section of teeth 73 drive the third section of teeth 75, the third section of teeth 75 drive the arc-shaped groove 71 and the whole water carrier 20 to rotate, and the rotating direction is opposite to the forward rotation. As such, hose carrier 20 oscillates back and forth, and the contact position of hose 90 on the hose carrier with belt 60 varies within a certain range.
The foregoing is merely illustrative of the preferred embodiments of the present invention, and modifications in detail will readily occur to those skilled in the art based on the teachings herein without departing from the spirit and scope of the invention.
Claims (6)
1. Fire hose wear resistance detection device, including support (10), set up hosepipe carrier (20) on the support, be located hosepipe carrier side's abrasive band drive mechanism, its characterized in that: the water belt carrier comprises a semicircular water belt carrier (30) and semicircular structural members (40) fixedly connected with the semicircular water belt carrier, a water belt rolling mechanism is arranged on the water belt carrier and comprises driven gears connected with two ends of the water belt, and the driven gears are positioned at two ends of the semicircular water belt carrier; the semicircular water band carrier is pivoted with the bracket, a swinging assembly is arranged between the semicircular structural member and the bracket, and the semicircular water band carrier swings back and forth relative to the bracket under the driving of the swinging assembly.
2. The fire hose wear resistance detection device of claim 1, wherein: the driven gears connected with the two ends of the water belt (90) are a first driven gear (51) and a second driven gear (52) respectively, the first driven gear is meshed with a driving gear (53), the driving gear is meshed with an intermediate gear (54), the intermediate gear is meshed with the second driven gear, the driving gear is connected with a motor (55), and the motor is arranged on the semicircular water belt carrier (30).
3. The fire hose wear resistance detection device of claim 1, wherein: the driven gear is coaxially provided with a cylindrical water band fixing block (510), and the end part of the water band (90) is sleeved on the water band fixing block.
4. The fire hose wear resistance detection device of claim 1, wherein: the driven gears are pivoted at two ends of the semicircular structural member (40).
5. The fire hose wear resistance detection device of claim 1, wherein: the running direction of the abrasive belt (60) driven by the abrasive belt driving mechanism is the same as the rolling direction of the water belt (90) on the water belt carrier (20).
6. The fire hose wear resistance detection device of claim 1, wherein: the swing assembly comprises an arc-shaped groove (71) fixedly connected with the semicircular structural part (40), and a cylindrical part (72) matched in the arc-shaped groove, wherein two ends of the cylindrical part are pivoted on a supporting part (11), the supporting part is arranged on a support (10), a first section of teeth (73) are arranged on the cylindrical part, the circle center of the arc-shaped groove coincides with the circle center of the semicircular water band carrier (30), a second section of teeth (74) are arranged on the small-diameter side wall of the arc-shaped groove, and a third section of teeth (75) are arranged on the large-diameter side wall of the arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310868847.0A CN116840090A (en) | 2023-07-17 | 2023-07-17 | Fire hose wear resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310868847.0A CN116840090A (en) | 2023-07-17 | 2023-07-17 | Fire hose wear resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116840090A true CN116840090A (en) | 2023-10-03 |
Family
ID=88166935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310868847.0A Pending CN116840090A (en) | 2023-07-17 | 2023-07-17 | Fire hose wear resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116840090A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060248940A1 (en) * | 2005-05-04 | 2006-11-09 | Treece Kimberly R | Abrasion resistance testing apparatus |
| CN103454173A (en) * | 2013-08-16 | 2013-12-18 | 蔡宝祥 | Wear-resistant tester for fire hose |
| CN105067463A (en) * | 2015-07-24 | 2015-11-18 | 山东省产品质量检验研究院 | Fire fighting hose automatic wear resistance test apparatus |
| CN205870203U (en) * | 2016-07-29 | 2017-01-11 | 福建三鲸消防技术研究院有限公司 | Abrasive band reciprocating motion grinding machanism of abrasion -proof test machine |
| CN206772701U (en) * | 2017-06-07 | 2017-12-19 | 山东省产品质量检验研究院 | Fire hose abrasion wear test machine |
| CN216646158U (en) * | 2021-11-23 | 2022-05-31 | 东莞德芳油墨科技有限公司 | Wear-resisting test mechanism of printing ink |
| CN114705539A (en) * | 2022-03-31 | 2022-07-05 | 皖缆集团股份有限公司 | Abrasion resistance testing machine for cable sample |
| CN218003147U (en) * | 2022-07-18 | 2022-12-09 | 江苏凯灵纺织科技研发中心有限公司 | Oxford fabric wear resistance testing device for luggage |
-
2023
- 2023-07-17 CN CN202310868847.0A patent/CN116840090A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060248940A1 (en) * | 2005-05-04 | 2006-11-09 | Treece Kimberly R | Abrasion resistance testing apparatus |
| CN103454173A (en) * | 2013-08-16 | 2013-12-18 | 蔡宝祥 | Wear-resistant tester for fire hose |
| CN105067463A (en) * | 2015-07-24 | 2015-11-18 | 山东省产品质量检验研究院 | Fire fighting hose automatic wear resistance test apparatus |
| CN205870203U (en) * | 2016-07-29 | 2017-01-11 | 福建三鲸消防技术研究院有限公司 | Abrasive band reciprocating motion grinding machanism of abrasion -proof test machine |
| CN206772701U (en) * | 2017-06-07 | 2017-12-19 | 山东省产品质量检验研究院 | Fire hose abrasion wear test machine |
| CN216646158U (en) * | 2021-11-23 | 2022-05-31 | 东莞德芳油墨科技有限公司 | Wear-resisting test mechanism of printing ink |
| CN114705539A (en) * | 2022-03-31 | 2022-07-05 | 皖缆集团股份有限公司 | Abrasion resistance testing machine for cable sample |
| CN218003147U (en) * | 2022-07-18 | 2022-12-09 | 江苏凯灵纺织科技研发中心有限公司 | Oxford fabric wear resistance testing device for luggage |
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