CN212254945U - Fire hose abrasion resistance testing machine - Google Patents
Fire hose abrasion resistance testing machine Download PDFInfo
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- CN212254945U CN212254945U CN202020975528.1U CN202020975528U CN212254945U CN 212254945 U CN212254945 U CN 212254945U CN 202020975528 U CN202020975528 U CN 202020975528U CN 212254945 U CN212254945 U CN 212254945U
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Abstract
The utility model discloses a fire hose abrasion resistance testing machine, connect the friction test platform of installing in the test platform top including test platform and by adjustment mechanism, test platform's up end one side equidistance has been seted up multiunit and has been supplied fire hose to connect the spacing joint spacing groove of block, and test platform keeps away from one side of connecting the spacing groove and has been seted up the roller slot that supplies positioning roller and grip roller installation, one side that test platform's up end is close to the roller slot is provided with a set of compression roller down, the friction test platform includes the multiunit driving roller that the equidistance set up between the mounting substrate that two sets of symmetries set up and the mounting substrate, a set of in the multiunit driving roller docks with driving motor's motor shaft, and the peripheral cladding of multiunit driving roller has the. This fire hose abrasion testing machine, the installation of the fire hose of being convenient for, and easily adjust the change that realizes frictional contact area, have higher practical value.
Description
Technical Field
The utility model belongs to the technical field of the fire hose test, concretely relates to fire hose abrasion wear machine.
Background
Fire hose is a hose used to transport high pressure water or fire-retardant liquids such as foam. The traditional fire hose takes rubber as a lining, and the outer surface of the traditional fire hose is wrapped by linen braided fabric. 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. At present, fire safety requirements are continuously improved, related regulations are made by the nation aiming at various test indexes and test methods of fire hoses, and new requirements are provided for the reliability and stability of fire-fighting products.
In order to ensure the wear resistance of the fire hose in use, wear resistance tests for sampling the fire hose are required to ensure the stability of the product in use.
Disclosure of Invention
An object of the utility model is to provide a fire hose abrasion wear test machine to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a fire hose abrasion resistance testing machine comprises a testing platform and a friction testing table which is connected and installed above the testing platform through an adjusting mechanism;
a plurality of groups of joint limiting grooves for clamping and limiting fire hose joints are formed in one side of the upper end surface of the test platform at equal intervals, a roller groove for mounting a positioning roller and a clamping roller is formed in one side of the test platform, which is far away from the joint limiting grooves, and a group of lower compression rollers are arranged on one side, which is close to the roller groove, of the upper end surface of the test platform;
the friction test bed comprises two groups of symmetrically arranged mounting base plates and a plurality of groups of transmission rollers arranged between the mounting base plates at equal intervals, one group of the transmission rollers is butted with a motor shaft of a driving motor, and friction belts are coated on the peripheries of the transmission rollers;
the one end that the mounting substrate outside is close to the joint spacing groove is provided with the butt joint bearing of clearance fit connection stand, the butt joint bearing docks with the axle of being connected the stand and go up the structure, and the bottom of connecting the stand is installed perpendicularly in test platform's up end, the slide of the first L type connecting plate of cooperation is seted up to the one end of keeping away from the joint spacing groove in the mounting substrate outside, the position of first L type connecting plate cooperation slide is provided with the gyro wheel, and the bottom of first L type connecting plate is provided with the hydraulic telescoping rod of connecting the link, the link slides the setting in test platform's top.
Preferably, sliding seats are constructed on two sides of the bottom end of the connecting frame, and adjusting grooves for sliding adjustment of the sliding seats are formed in the upper end face of the test platform in a manner of being matched with the mounting positions of the sliding seats.
Preferably, a group of guide sliding rods penetrating through the sliding seat are arranged in the adjusting groove, and the sliding seat is matched with the guide sliding rods through linear bearings.
Preferably, the two ends of the lower pressing roller are provided with second L-shaped connecting plates in a matched mode through roller bearings, and the bottom end of each second L-shaped connecting plate is provided with an electric telescopic rod which is vertically connected to the upper end face of the test platform.
Preferably, the positioning roller of roller inslot installation passes through pivot and roller groove cooperation, the both sides of grip roller are through pivot and slider cooperation, the groove that supplies slider sliding adjustment is seted up to the both sides in roller groove, and the groove tip articulates the butt spring that has the butt slider.
The utility model discloses a technological effect and advantage: according to the fire hose wear-resistance testing machine, the limit groove of the joint on the testing platform is provided to facilitate the limit of one end of a fire hose, the positioning roller and the clamping roller in the roller groove are provided to facilitate the winding, clamping and positioning of the other end of the fire hose, and the fire hose is convenient to install due to the integral structure; the friction test bed is additionally arranged to realize the wear resistance test of the fire fighting hose, the hydraulic telescopic rod can realize the adjustment of the whole angle of the friction test bed, the change of the contact area between the friction belt and the fire fighting hose and the wear resistance test of different areas; the lower compression roller with the height adjusted by the electric telescopic rod can press the upper part of the fire hose downwards, so that the change of pressure between the fire hose and the friction belt of the friction test bed is realized, the gravity of the fire hose is eliminated under the water passing state in a simulation mode, and the practicability is high.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the friction test bed of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
In the figure: the device comprises a test platform 1, a joint limiting groove 101, a roller groove 102, an adjusting groove 103, a friction test bed 2, a mounting substrate 3, a slideway 301, a driving motor 4, a friction belt 401, a connecting upright post 5, a butt joint bearing 501, a connecting frame 6, a sliding seat 601, a hydraulic telescopic rod 7, a first L-shaped connecting plate 701, a guide sliding rod 8, a linear bearing 801, a lower compression roller 9, a second L-shaped connecting plate 901, an electric telescopic rod 902, a positioning roller 10, a clamping roller 11, a sliding block 1101 and a spring 1102 in butt joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.
The utility model provides a fire hose abrasion resistance tester as shown in figures 1-4, which comprises a test platform 1 and a friction test bed 2 which is connected and arranged above the test platform 1 by an adjusting mechanism;
a plurality of groups of joint limiting grooves 101 for clamping and limiting joints of the fire hose are equidistantly formed in one side of the upper end face of the test platform 1, a roller groove 102 for mounting a positioning roller 10 and a clamping roller 11 is formed in one side, far away from the joint limiting groove 101, of the test platform 1, the limiting of one end of the fire hose is facilitated due to the arrangement of the positioning roller 10 and the clamping roller 11 in the roller groove 102, the winding, clamping and positioning of the other end of the fire hose is facilitated due to the arrangement of the positioning roller 10 and the clamping roller 11 in the roller groove 102, the fire hose is conveniently mounted due to the integral structure, and a group of lower compression rollers 9 is arranged on one side, close to the roller groove 102;
the friction test bed 2 comprises two groups of symmetrically arranged mounting substrates 3 and a plurality of groups of transmission rollers which are arranged between the mounting substrates 3 at equal intervals, one group of the transmission rollers is butted with a motor shaft of the driving motor 4, and friction belts 401 are coated on the peripheries of the transmission rollers;
the outer side of the mounting base plate 3 is provided with a butt-joint bearing 501 movably matched with the connecting upright post 5 at one end close to the joint limiting groove 101, the butt-joint bearing 501 is in butt joint with a shaft constructed on the connecting upright post 5, the bottom end of the connecting upright post 5 is vertically mounted on the upper end surface of the test platform 1, one end of the outer side of the mounting base plate 3 far away from the joint limiting groove 101 is provided with a slide way 301 matched with a first L-shaped connecting plate 701, a roller is arranged at the position of the first L-shaped connecting plate 701 matched with the slide way 301, the bottom of the first L-shaped connecting plate 701 is provided with a hydraulic telescopic rod 7 connected with a connecting frame 6, the connecting frame 6 is arranged above the test platform 1 in a sliding manner, the friction test bed 2 is additionally arranged to realize the wear resistance test of the fire-extinguishing water belt, the hydraulic telescopic rod 7 can realize the adjustment of the, and wear resistance tests of different areas are realized.
Specifically, sliding seats 601 are configured on two sides of the bottom end of the connecting frame 6, and an adjusting groove 103 for sliding adjustment of the sliding seat 601 is formed in the upper end surface of the test platform 1 in cooperation with the installation position of the sliding seat 601.
Specifically, a group of guide slide bars 8 penetrating through the slide seat 601 is arranged in the adjusting groove 103, and the slide seat 601 is matched with the guide slide bars 8 through a linear bearing 801.
Specifically, the two ends of the lower pressing roller 9 are provided with second L-shaped connecting plates 901 in a matched mode through roller bearings, the bottom end of each second L-shaped connecting plate 901 is provided with an electric telescopic rod 902 which is vertically connected to the upper end face of the test platform 1, the height of the lower pressing roller 9 can be adjusted through the electric telescopic rods 902 to press the upper portion of the fire hose, pressure between the fire hose and the friction belt 401 of the friction test bed 2 is changed, accordingly gravity of the fire hose is eliminated in a simulated water flowing state, and the practicability is high.
Specifically, the positioning roller 10 installed in the roller groove 102 is matched with the roller groove 102 through a rotating shaft, two sides of the clamping roller 11 are matched with the sliding block 1101 through a rotating shaft, grooves for sliding adjustment of the sliding block 1101 are formed in two sides of the roller groove 102, and the end portions of the grooves are hinged with the abutting springs 1102 abutting against the sliding block 1101.
The working principle of the fire hose abrasion resistance testing machine is that when the fire hose abrasion resistance testing machine is used, only one end connector of the fire hose is clamped in the connector limiting groove 101, the fire hose passes through the upper portion of the friction testing table 2 in an overlapping mode and passes through the lower portion of the lower pressing roller 9, and is finally clamped between the positioning roller 10 and the clamping roller 11, the fire hose is fixed around one to two circles of the positioning roller 10 and the clamping roller 11, at the moment, the first L-shaped connecting plate 701 is lifted by the adjusting hydraulic telescopic rod 7, the connecting frame 6 can be moved along the axis direction of the guide sliding rod 8 to change the angle of the friction testing table 2, when the friction testing table 2 is in a horizontal state, the contact surface between the friction belt 401 and the fire hose is large, when the friction testing table 2 is in an inclined state, the contact surface is smaller than that in the horizontal state, after the angle adjustment of the friction testing table 2 is finished, the lower pressing of the lower pressing roller 9 on the fire hose is realized by adjusting, dead weight when following compression roller 9's down force simulation hosepipe leads to water only needs to open driving motor 4 this moment and can realize the continuous rotation of friction zone 401, realizes rubbing to waterproof area, realizes the test to waterproof area, this fire hose abrasion resistance test machine, the installation of the fire hose of being convenient for, and easily adjust the change that realizes the frictional contact area, has higher practical value.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. A fire hose abrasion resistance testing machine comprises a testing platform (1) and a friction testing table (2) which is connected and installed above the testing platform (1) through an adjusting mechanism;
the method is characterized in that: a plurality of groups of joint limiting grooves (101) for clamping and limiting fire hose joints are formed in one side of the upper end surface of the test platform (1) at equal intervals, a roller groove (102) for mounting a positioning roller (10) and a clamping roller (11) is formed in one side, away from the joint limiting grooves (101), of the test platform (1), and a group of lower compression rollers (9) is arranged on one side, close to the roller groove (102), of the upper end surface of the test platform (1);
the friction test bed (2) comprises two groups of symmetrically arranged mounting base plates (3) and a plurality of groups of transmission rollers which are arranged between the mounting base plates (3) at equal intervals, one group of the transmission rollers is butted with a motor shaft of the driving motor (4), and friction belts (401) are coated on the peripheries of the transmission rollers;
the utility model discloses a test platform, including mounting substrate (3), mounting substrate (3) outside is close to the one end that connects spacing groove (101) and is provided with butt joint bearing (501) of movable fit connection stand (5), butt joint bearing (501) with be connected the axle butt joint of constructing on stand (5), and the bottom of connecting stand (5) is installed perpendicularly in the up end of test platform (1), slide (301) of the first L type connecting plate (701) of cooperation are seted up to the one end of keeping away from connecting spacing groove (101) in the mounting substrate (3) outside, the position of first L type connecting plate (701) cooperation slide (301) is provided with the gyro wheel, and the bottom of first L type connecting plate (701) is provided with hydraulic telescoping rod (7) of connecting link (6), link (6) slide the setting in the top of test platform (1).
2. The fire hose abrasion resistance testing machine according to claim 1, characterized in that: sliding seats (601) are constructed on two sides of the bottom end of the connecting frame (6), and adjusting grooves (103) for sliding adjustment of the sliding seats (601) are formed in the upper end face of the test platform (1) in a manner of being matched with the installation positions of the sliding seats (601).
3. The fire hose abrasion resistance testing machine according to claim 2, characterized in that: a group of guide sliding rods (8) penetrating through the sliding seat (601) are arranged in the adjusting groove (103), and the sliding seat (601) is matched with the guide sliding rods (8) through linear bearings (801).
4. The fire hose abrasion resistance testing machine according to claim 1, characterized in that: and two ends of the lower pressing roller (9) are provided with second L-shaped connecting plates (901) in a matched mode through roller bearings, and the bottom ends of the second L-shaped connecting plates (901) are provided with electric telescopic rods (902) which are vertically connected to the upper end face of the test platform (1).
5. The fire hose abrasion resistance testing machine according to claim 1, characterized in that: the positioning roller (10) installed in the roller groove (102) is matched with the roller groove (102) through a rotating shaft, the two sides of the clamping roller (11) are matched with the sliding block (1101) through the rotating shaft, grooves for sliding adjustment of the sliding block (1101) are formed in the two sides of the roller groove (102), and the end portions of the grooves are hinged with the abutting springs (1102) abutting against the sliding block (1101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975528.1U CN212254945U (en) | 2020-06-02 | 2020-06-02 | Fire hose abrasion resistance testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975528.1U CN212254945U (en) | 2020-06-02 | 2020-06-02 | Fire hose abrasion resistance testing machine |
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| Publication Number | Publication Date |
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| CN212254945U true CN212254945U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020975528.1U Active CN212254945U (en) | 2020-06-02 | 2020-06-02 | Fire hose abrasion resistance testing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030522A (en) * | 2023-10-10 | 2023-11-10 | 玖安检测认证有限公司 | Fire hose wear-resistant testing device and testing method |
-
2020
- 2020-06-02 CN CN202020975528.1U patent/CN212254945U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117030522A (en) * | 2023-10-10 | 2023-11-10 | 玖安检测认证有限公司 | Fire hose wear-resistant testing device and testing 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 |
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