CN111929151B - A wearability detection device for fire hose - Google Patents
A wearability detection device for fire hose Download PDFInfo
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- CN111929151B CN111929151B CN202011022844.8A CN202011022844A CN111929151B CN 111929151 B CN111929151 B CN 111929151B CN 202011022844 A CN202011022844 A CN 202011022844A CN 111929151 B CN111929151 B CN 111929151B
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- 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
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- 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
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a wear resistance detection device for a fire hose, which comprises a base, an upright post, a base, a tensioning seat, a tensioning plate, a driving assembly, a clearance groove, a mounting plate, a sliding seat, a support, a servo motor, a rotating shaft and a grinding wheel, wherein the sliding seat is driven by a translation assembly to slide towards the tensioning seat. The invention has the beneficial effects that: the fire hose cover is on the tight seat that expands to by the radial outside removal of the tight seat of bloated orientation of the tight board that expands of drive assembly drive, and then make the inboard that the tight board outer wall that expands supported tight fire hose, and then make the fire hose can expand tightly, among the relative prior art, the mode that adopts water filling expands the fire hose, at least to a certain extent improved work efficiency, the tight board that expands in addition is the rigid contact to the waterproof area, and then make the tight board that expands when wear-resisting detection, the surface is difficult for producing sunkenly, thereby the efficiency that the wearability detected has been improved.
Description
Technical Field
The invention relates to the field of wear resistance detection equipment, in particular to a wear resistance detection device for a fire hose.
Background
A fire hose (fire hose) is a hose for transporting a fire-retardant liquid such as high-pressure water or foam. The traditional fire hose takes rubber as a lining, and the outer surface of the traditional fire hose is wrapped by linen. The advanced fire hose is made of polyurethane and other polymer materials. The two ends of the fire hose are provided with metal joints, and the fire hose can be connected with another hose to prolong the distance or connected with a nozzle to increase the liquid injection pressure. Fire hoses are classified into lined fire hoses and leaky fire hoses. The lined fire hose comprises a rubber fire hose, a TPU fire hose, a terylene glue-pouring hose and a hemp plastic-coated hose. The pressure of the bearing work is divided into four types of 0.8MPa, 1.0MPa, 1.3MPa and 1.6 MPa. The diameter is divided into four types of 50 mm, 65 mm, 80 mm or 75 mm and 90 mm. The woven water hose is divided into a plain water hose and a twill water hose. The length of each water-saving belt is generally specified to be 20 meters.
Chinese patent No. CN209542348U discloses an abrasion resistance testing machine for fire hose, including a horizontally arranged workbench, two rotating bases with rotating shafts installed on the workbench oppositely, hose interfaces fixed at the inner end of the solid rotating shaft and the inner end of the hollow rotating shaft respectively, a first motor driving the solid rotating shaft to rotate, a water pump connected with the hollow rotating shaft, a swing arm hinged on the workbench through a vertical frame, a pressing wheel installed at the front end of the swing arm, a tensioning wheel installed at the middle part of the swing arm through a swing rod, and a second motor installed on the vertical frame, wherein an output wheel of the second motor drives the pressing wheel and the tensioning wheel to rotate through an abrasive belt; a bracket is fixed at the front end of the swing arm, and weights are installed on the bracket; the both ends of the fire hose to be tested are connected with the hose interfaces of the solid rotating shaft and the hollow rotating shaft through the hose interfaces, the pinch roller is placed at the top of the fire hose, the wear resistance of the fire hose can be detected, and the fire hose testing device further has the technical characteristics of high automation degree, simple structure and convenience in use.
Among the above-mentioned prior art, fire hose is inside to fill water and makes its inflation become the column, then just can carry out the wearability and detect, and the process of filling water is slower, leads to detection efficiency lower, fills in addition after the water, fire hose still has certain elastic deformation, and then has influenced the precision that the wearability detected.
In order to solve the above problems, we propose an abrasion resistance detection device for a fire hose.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art and provides a wear resistance detection device for a fire hose, and the following technical scheme is provided for solving the technical problems:
the invention provides a wear resistance detection device for a fire hose, which comprises a base, wherein a base is horizontally arranged on the base through an installation upright post, an expansion seat is vertically and rotatably connected onto the base, two arc-shaped expansion plates are arranged on the expansion seat along the axial array of the expansion seat, the expansion plates are driven by a driving assembly to horizontally move towards the radial outer side direction of the expansion seat, correspondingly, a clearance groove for the expansion plates to freely move through is formed in the expansion seat, an installation plate is horizontally arranged on one upright post, a sliding seat is horizontally and slidably connected onto the installation plate, a support is arranged on the sliding seat, a servo motor is horizontally arranged on the support, a rotating shaft is connected onto the servo motor in a driving manner, a grinding wheel is coaxially and fixedly connected onto the rotating shaft, and the sliding seat is driven by a translation assembly to slide towards the expansion seat.
Preferably, the expansion seat is driven to rotate by a speed reducing motor mounted on the base.
Preferably, the driving assembly comprises a driving shaft vertically and rotatably connected to the expansion plate, a first screw thread section and a second screw thread section are respectively arranged at two ends of the driving shaft in the length direction, the screw thread directions of the first screw thread section and the second screw thread section are opposite, nut seats are respectively sleeved on the first screw thread section and the second screw thread section, two opposite sides of each nut seat are respectively hinged to a hinge rod, two hinge rods located on the same side are correspondingly hinged to the expansion plate, and when the driving shaft rotates, the four hinge rods drive the two expansion plates to relatively move.
Preferably, the upright post is provided with a reinforcing rib extending to the mounting plate.
Preferably, the sliding seat is connected to the mounting plate in a sliding manner through a mounting slide rail and a sliding block.
Preferably, the translation subassembly includes that the vertical mounting panel of locating keeps away from the fixed plate that the stand was served, adjusting screw is worn to be equipped with by the horizontal screw thread on the fixed plate, adjusting screw one end is rotated and is connected on the sliding seat.
Preferably, the adjusting screw is coaxially provided with a stepped shaft, and correspondingly, the sliding seat is provided with a locking groove for clamping the large-diameter end of the stepped shaft and enabling the sliding seat to rotate freely.
Preferably, a threaded bushing is mounted on the fixing plate, and the threaded bushing is sleeved on the adjusting screw in a threaded manner.
Compared with the prior art, the invention has the following beneficial effects: the fire hose is sleeved on the expansion seat, the expansion plate is driven by the driving assembly to move towards the radial outer side of the expansion seat, the outer wall of the expansion plate supports the inner side of the fire hose, the fire hose can expand tightly, compared with the prior art, the fire hose is expanded by adopting a water filling mode, the work efficiency is improved at least to a certain extent, in addition, the expansion plate is in rigid contact with the fire hose, the surface of the expansion plate is not easy to recess when the expansion plate is subjected to wear resistance detection, the wear resistance detection efficiency is improved, the driving assembly is composed of a driving shaft, a nut seat and hinge rods, the two nut seats are relatively moved through the rotation of the driving shaft, and then the four hinge rods respectively drive the two expansion plates to expand, the expansion plate expands tightly against the fire hose, the structure is simple, the internal stress of the fire hose is more uniform, the servo motor is arranged to drive the grinding wheel to rotate, the grinding wheel is used for performing wear resistance detection on the outer wall of the fire hose sleeved on the expansion seat, and the translation driving assembly is additionally arranged, the grinding wheel can support the outer wall of the fire hose tightly, the fire hose, the detection depth can be adjusted, and the detection precision is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the general assembly structure of a wear resistance testing device for a fire hose of the present invention;
FIG. 2 is a schematic perspective view of the expansion plate of the present invention;
in the figure: the method comprises the following steps of 1-a speed reducing motor, 2-a base, 3-an expansion seat, 4-an expansion plate, 5-a hinge rod, 6-a first thread section, 7-an empty avoiding groove, 8-a second thread section, 9-a nut seat, 10-a sliding seat, 11-a grinding wheel, 12-a rotating shaft, 13-a support, 14-a servo motor, 15-a thread bushing, 16-an adjusting screw rod, 17-a fixing plate, 18-a mounting plate, 19-a stepped shaft, 20-a locking groove, 21-an upright post and 22-a base.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Examples
As shown in fig. 1-2, a wear resistance detection device for a fire hose includes a base 22, a base 2 is horizontally disposed on the base 22 through an installation upright post 21, the base 2 is vertically and rotatably connected with an expansion seat 3, two arc-shaped expansion plates 4 are disposed on the expansion seat 3 along an axial array thereof, the expansion plates 4 are driven by a driving assembly to horizontally move toward a radial outer side direction of the expansion seat 3, correspondingly, an empty groove 7 for the expansion plates 4 to freely pass through is disposed on the expansion seat 3, a mounting plate 18 is horizontally disposed on one of the upright posts 21, a sliding seat 10 is horizontally and slidably connected on the mounting plate 18, a support 13 is disposed on the sliding seat 10, a servo motor 14 is horizontally disposed on the support 13, a rotating shaft 12 is drivingly connected on the servo motor 14, a grinding wheel 11 is coaxially and fixedly connected to the rotating shaft 12, the sliding seat 10 is driven by a translation assembly to slide toward the expansion seat 3, the fire hose is sleeved on the fire seat 3, the two expansion plates 4 are located in the fire hose, the sliding seat 11 is driven by the driving assembly to slide toward the expansion seat 3, the sliding seat 11, the sliding seat is rotated, the inner wall of the expansion plate is polished, and the sliding seat is polished, the sliding seat 10, the inner wall of the water hose is polished, and the water hose is polished.
In this embodiment, preferably, the expansion seat 3 is driven by the speed reduction motor 1 installed on the base 2 to rotate, and the expansion seat 3 is driven by the speed reduction motor 1 to rotate, so that after the expansion seat 3 is sleeved with the fire hose, the fire hose can rotate, and then the position of the fire hose detected by the grinding wheel 11 is adjusted.
In this embodiment, preferably, the driving assembly includes a driving shaft vertically and rotatably connected to the expansion seat 3, two ends of the driving shaft in the length direction are respectively provided with a first thread section 6 and a second thread section 8 with opposite thread turning directions, each thread of the first thread section 6 and the second thread section 8 is sleeved with a nut seat 9, two opposite sides of the two nut seats 9 are respectively hinged with a hinge rod 5, the two hinge rods 5 located on the same side are correspondingly hinged on the expansion plate 4, and when the driving shaft rotates, the four hinge rods 5 drive the two expansion plates 4 to move relatively.
In this embodiment, it is preferable that the column 21 is provided with a rib extending to the mounting plate 18, and since the mounting plate 18 is long, the rigidity of the mounting plate 18 is improved by providing the rib in order to avoid the influence on the rigidity.
In the present embodiment, preferably, the sliding seat 10 is slidably connected to the mounting plate 18 by mounting a sliding rail and a sliding block, that is, the sliding rail is horizontally mounted on the mounting plate 18, the length direction of the sliding rail is parallel to the length direction of the mounting plate 18, the sliding block is clamped on the sliding rail, and the sliding seat 10 is mounted on the sliding block by a screw, so that the sliding seat 10 can be horizontally slidably connected to the mounting plate 18.
In this embodiment, preferably, the translation assembly includes a fixing plate 17 vertically arranged on one end of the mounting plate 18 far from the column 21, an adjusting screw 16 penetrates through a horizontal thread on the fixing plate 17, one end of the adjusting screw 16 is rotatably connected to the sliding seat 10, and when the adjusting screw 16 is screwed on the fixing plate 17, the adjusting screw 16 drives the sliding seat 10 to move horizontally through a driving force of the screwed thread, so as to adjust a distance between the grinding wheel and the expansion seat.
In this embodiment, preferably, a stepped shaft 19 is coaxially disposed on the adjusting screw 16, and correspondingly, a locking groove 20 for engaging a large-diameter end of the stepped shaft 19 and allowing the stepped shaft 19 to rotate freely is disposed on the sliding seat 10, and the stepped shaft 19 rotates and limits in the locking groove 20, so that the adjusting screw 16 is rotatably connected to the sliding seat 10.
In this embodiment, preferably, the fixing plate 17 is provided with a threaded bushing 15, the threaded bushing 15 is threadedly sleeved on the adjusting screw 16, the threaded bushing 15 is arranged, and the threaded bushing 15 is threadedly sleeved on the adjusting screw 16, so that the adjusting screw 16 does not generate mechanical wear on the fixing plate 17, and the service life of the fixing plate 17 is further prolonged.
The working principle of the invention during use is as follows: the inner part of the fire hose is unfolded and sleeved on the expansion seat 3, the driving shaft is rotated, when the driving shaft rotates, the two nut seats 9 are respectively screwed with the first thread section 6 and the second thread section 8, the thread screwing directions of the first thread section 6 and the second thread section 8 are opposite, at the moment, the two nut seats 9 move relatively, and then the four hinge rods drive the two expansion plates 4 to be away from relatively, so that the expansion plates 4 tension the inner wall of the fire hose, the fire hose is sleeved on the expansion seat 3 in an expansion mode, then the adjusting screw 16 is rotated manually, the adjusting screw 16 is screwed on the fixed plate 17, meanwhile, the adjusting screw 16 is connected to the sliding seat 10 in a rotating mode, at the moment, the sliding seat 10 is driven to slide towards the expansion seat 3, the grinding wheel 11 abuts against the outer wall of the fire hose, the servo motor is started again, the grinding wheel 11 is driven to rotate by the servo motor, and then the surface of the fire hose is ground by the grinding wheel, after the grinding wheel is ground for a certain time, a worker observes the degree of abrasion of the surface of the fire hose, and then judges the abrasion resistance of the fire hose.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a wearability detection device for fire hose which characterized in that: comprises a base (22), a base (2) is horizontally arranged on the base (22) through an installation upright post (21), an expansion seat (3) is vertically and rotatably connected on the base (2), two arc expansion plates (4) are arranged on the expansion seat (3) along the axial array of the expansion seat, the expansion plates (4) are driven by a driving component to horizontally move towards the radial outer side direction of the expansion seat (3), correspondingly, an empty avoiding groove (7) for the expansion plates (4) to freely pass through is formed in the expansion seat (3), one upright post (21) is horizontally provided with a mounting plate (18), the mounting plate (18) is horizontally and slidably connected with a sliding seat (10), a support (13) is arranged on the sliding seat (10), a servo motor (14) is horizontally arranged on the support (13), a rotating shaft (12) is driven and connected on the servo motor (14), a grinding wheel (11) is coaxially arranged on the rotating shaft (12), the sliding seat (10) is driven by a translation component to horizontally move towards the expansion seat (3), the sliding seat (16) is connected with a screw rod (17), and an adjusting screw rod (17) is arranged on one end of the sliding seat (17) and is rotatably connected with a vertical fixing plate (17), adjusting screw (16) are gone up the coaxial step shaft (19) that is equipped with, corresponding, set up on sliding seat (10) and supply step shaft (19) big footpath end block, and locking groove (20) that can the free rotation, install screw bush (15) on fixed plate (17), screw bush (15) screw thread suit is on adjusting screw (16).
2. A wear resistance testing device for a fire hose according to claim 1, wherein: the expansion seat (3) is driven to rotate by a speed reducing motor (1) arranged on the base (2).
3. A wear resistance testing device for a fire hose according to claim 1, wherein: the drive assembly comprises a drive shaft which is vertically and rotatably connected to the expansion seat (3), wherein the two ends of the length direction of the drive shaft are respectively provided with a first thread section (6) and a second thread section (8) which are opposite in thread turning direction, each thread sleeve on the first thread section (6) and the second thread section (8) is provided with a nut seat (9), two opposite sides of the nut seats (9) are respectively hinged with a hinge rod (5), the hinge rods (5) are correspondingly hinged on the expansion plate (4), and when the drive shaft rotates, the four hinge rods (5) drive the two expansion plates (4) to move relatively.
4. A wear resistance testing device for fire hoses according to claim 1, characterized in that: and reinforcing ribs extending to the mounting plate (18) are arranged on the upright posts (21).
5. A wear resistance testing device for fire hoses according to claim 1, characterized in that: the sliding seat (10) is connected on the mounting plate (18) in a sliding manner through a mounting sliding rail and a sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022844.8A CN111929151B (en) | 2020-09-25 | 2020-09-25 | A wearability detection device for fire hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022844.8A CN111929151B (en) | 2020-09-25 | 2020-09-25 | A wearability detection device for fire hose |
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| CN111929151A CN111929151A (en) | 2020-11-13 |
| CN111929151B true CN111929151B (en) | 2022-12-23 |
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| CN202011022844.8A Active CN111929151B (en) | 2020-09-25 | 2020-09-25 | A wearability detection device for fire hose |
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| CN113820113B (en) * | 2021-09-17 | 2023-12-26 | 深圳市二砂深联有限公司 | Nuclear power resin grinding wheel detection device and method |
| CN117030522B (en) * | 2023-10-10 | 2024-01-23 | 玖安检测认证有限公司 | Fire hose wear-resistant testing device and testing method |
| CN117664729B (en) * | 2023-12-12 | 2024-07-12 | 河北金蔼缘科技有限公司 | Be used for fire control facility ageing safety inspection device |
| CN118624449B (en) * | 2024-08-13 | 2024-11-01 | 山东智德汇新能源科技有限公司 | Wear resistance detection device for fire hose |
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| CN111929151A (en) | 2020-11-13 |
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Effective date of registration: 20221206 Address after: No. 40-1, Plant 40, Shangkong Huading Industrial Park, east of Chuangye Avenue, Gedian Development Zone, Ezhou City, Hubei Province, 436000 Applicant after: Hubei Guoxin Fire Products Testing Technology Co.,Ltd. Address before: 421500 Yiyang industrial corridor, Changning City, Hengyang City, Hunan Province Applicant before: HUNAN RUNHUA NEW MATERIAL CO.,LTD. |
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