CN115753386B - Fire hose pressure-bearing performance detection equipment - Google Patents
Fire hose pressure-bearing performance detection equipment Download PDFInfo
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- CN115753386B CN115753386B CN202211496209.2A CN202211496209A CN115753386B CN 115753386 B CN115753386 B CN 115753386B CN 202211496209 A CN202211496209 A CN 202211496209A CN 115753386 B CN115753386 B CN 115753386B
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Abstract
The utility model relates to the technical field of fire hose detection, in particular to fire hose pressure-bearing performance detection equipment, which comprises a bottom plate, a clamping unit and a detection unit; the existing detection device has the following defects: the fire hose with shorter length can be straightened and detected, and fire hoses with different lengths can not be detected; the device can only detect the tensile strength of the fire hose, but can not detect the pressure-bearing performance of the fire hose in the process of conveying water; according to the utility model, the clamping columns are used for sealing the two sides of the fire hose filled with water, so that the influence on the detection effect caused by water overflow in the fire hose can be prevented, and the fire hose with different lengths can be detected; the utility model can simulate the pressure bearing performance of the fire hose in the process of conveying high-pressure water by applying extrusion force to the fire hose, and can ensure uniform stress by applying longitudinal extrusion force and transverse extrusion force to the fire hose.
Description
Technical Field
The utility model relates to the technical field of fire hose detection, in particular to fire hose pressure-bearing performance detection equipment.
Background
The fire hose is used for conveying high-pressure water or foam and other flame-retardant liquid, two ends of the fire hose are provided with metal joints, and the fire hose can be connected with another water hose to prolong the distance or connected with a nozzle to increase the liquid injection pressure, and the pressure-bearing performance of the fire hose needs to be detected after the production of the fire hose is completed so as to ensure the use effect of the fire hose.
The Chinese patent publication No. CN215448784U discloses a detection device for fire hose bearing force, which is characterized in that the fire hose and a spring tube are rotationally fixed, then the fire hose is straightened by two hydraulic telescopic columns which extend reversely, so that the bearing force of the fire hose is detected, at the moment, a blast lamp is opened by a control switch to perform a fire resistance test on the straightened fire hose, and an electric motor is matched with a grinding wheel to perform a friction resistance test on the fire hose.
However, the detection device provided by the above patent has the following drawbacks: 1. the fire hose detection device is characterized in that the two ends of the fire hose are rotationally fixed with the spring tubes, and then the fire hose is straightened to detect the pressure-bearing performance of the fire hose.
2. When the fire hose is straightened and detected by the hydraulic telescopic column, the detection device can only detect the tensile strength of the fire hose, and the fire hose needs to convey water with high pressure in practical application, so that the detection device cannot detect the pressure-bearing performance of the fire hose in the water conveying process, and in addition, if the fire hose is not installed in place with the spring tube, the fire hose is easy to be stressed unevenly, so that the detection effect of the fire hose is affected.
Disclosure of Invention
1. The technical problems to be solved are as follows: the utility model provides the fire hose pressure-bearing performance detection equipment, which can solve the problems pointed out in the background technology.
2. The technical scheme is as follows: in order to achieve the purpose, the technical scheme is that the fire hose pressure-bearing performance detection equipment comprises a bottom plate, a clamping unit and a detection unit, wherein the clamping unit and the detection unit are arranged at the upper end of the bottom plate, and the detection unit is located in the middle of the clamping unit.
The clamping unit comprises a positioning plate, two positioning plates are symmetrically arranged at the left and right of the upper end of the bottom plate, two limiting sliding grooves are symmetrically formed in the front and the rear of the upper end of the positioning plate, a sliding block is connected in the limiting sliding grooves in a sliding mode, a first bidirectional screw rod penetrating through the sliding block in a threaded connection mode is connected to the positioning plate in a rotating mode, two first bidirectional screw rods are connected through belt transmission, a clamping column is connected to the upper end of the sliding block in a rotating mode, and a winding assembly is further arranged at the upper end of the bottom plate.
The detecting unit comprises an L-shaped plate, two L-shaped plates are symmetrically arranged in front of and behind the middle of the upper end of the bottom plate, an annular sliding groove is formed in the opposite side of the L-shaped plates in a rotating mode, a plurality of positioning tooth seats which are rotationally connected in the annular sliding groove are uniformly formed in the periphery of the outer wall of the annular frame, a driving motor is arranged on the outer wall of any one L-shaped plate through a motor cover, an output shaft of the driving motor extends into the annular sliding groove and is sleeved with a transmission gear meshed with the positioning tooth seats, a detecting column is arranged on the inner side wall of the annular frame, and an extrusion assembly is further arranged on the bottom plate.
As a preferable technical scheme of the utility model, the winding component comprises a U-shaped frame, the upper end of the bottom plate is provided with the U-shaped frame with a downward opening, the U-shaped frame is positioned at the front side of the positioning plate, the left side of the inner top wall of the U-shaped frame is rotationally connected with the unwinding roller in a detachable mode, the right side of the inner top wall of the U-shaped frame is rotationally connected with the winding roller in a detachable mode, the unwinding roller and the winding roller are connected through a belt, the upper end of the U-shaped frame is provided with the positioning motor through a motor base, and the output shaft of the positioning motor is connected with the winding roller.
As a preferable technical scheme of the utility model, the extrusion assembly comprises a fixed plate, two fixed plates are symmetrically arranged at the upper end of the bottom plate on the left side of the L-shaped plate on the right side of the L-shaped plate, two first extrusion rollers are symmetrically connected at the upper end of the fixed plate on the left side of the L-shaped plate on the front and back of the axis of the annular frame through ball hinges in a rotating way, connecting plates are jointly connected at the upper ends of the two first extrusion rollers in a rotating way, two bearing plates are symmetrically arranged at the upper end of the fixed plate on the right side of the L-shaped plate on the front and back of the fixed plate, two second extrusion rollers are symmetrically connected at the opposite sides of the bearing plates on the right side of the L-shaped plate on the upper and lower sides of the axis of the annular frame in a rotating way, and a plurality of rubber strips for increasing friction force are uniformly arranged on the outer walls of the first extrusion rollers and the second extrusion rollers in the circumferential direction.
As a preferable technical scheme of the utility model, the connecting plate and the bearing plate are telescopic plates, the telescopic end of the connecting plate is rotationally connected with the first extrusion roller through a ball hinge, the telescopic end of the bearing plate is rotationally connected with the second extrusion roller through a ball hinge, the upper end of the telescopic end of the connecting plate and the telescopic end of one side of the bearing plate far away from the second extrusion roller are both provided with linkage plates, and a second bidirectional screw is connected between the two opposite linkage plates in a common threaded manner.
As a preferable technical scheme of the utility model, the detection column consists of a positioning column, an elastic telescopic rod and a ball, wherein: the annular frame inside wall from left to right and circumference evenly is provided with a plurality of reference columns, and the mounting groove has been seted up to one side that the reference column is close to the annular frame axis, is provided with the elastic expansion link in the mounting groove, and the one end that the elastic expansion link is close to the annular frame axis rotates to be connected with the ball that passes the reference column.
As a preferable technical scheme of the utility model, one side of the positioning column, which is close to the axis of the annular frame, is provided with an annular cavity, the annular cavity is communicated with the outside through a connecting hole, a one-way valve is arranged in the communication hole, and one side wall of the positioning column, which is close to the axis of the annular frame, is provided with an annular foam cushion in a detachable mode.
As a preferable technical scheme of the utility model, a plurality of through holes are circumferentially arranged on one side of the annular cavity close to the axis of the annular frame, a plurality of dip-dyeing columns penetrating through the through holes are circumferentially and uniformly arranged on one side of the annular foam cushion far away from the axis of the annular frame, and one end of the dip-dyeing column far away from the annular foam cushion is connected with the inner wall of one side of the annular cavity far away from the annular foam cushion.
As a preferable technical scheme of the utility model, two groups of connecting pieces are symmetrically arranged on the outer wall of the clamping column from top to bottom, each connecting piece comprises limiting protrusions which are uniformly distributed around the periphery of the clamping column, and the limiting protrusions on the outer walls of the two clamping columns on the same positioning plate are staggered.
3. The beneficial effects are that: 1. according to the utility model, the clamping units are used for sealing the two sides of the fire hose filled with water through the clamping columns, so that the influence on the detection effect caused by water overflow in the fire hose can be prevented, the fire hose with different lengths can be detected by winding the fire hose through the winding roller, and the adaptability is strong.
2. According to the detection unit provided by the utility model, the pressure-bearing performance of the fire hose in the process of conveying high-pressure water can be simulated by applying pressure to the fire hose, and when the fire hose is raised due to the fact that the pressure-bearing performance of the fire hose is not in accordance with the requirements, marks can be printed on the raised positions through contact between the annular sponge cushion and the raised positions on the outer wall of the fire hose, so that later checking is facilitated.
3. The extrusion assembly can drive the two linkage plates on the outer wall of the extrusion assembly to move relatively or oppositely through rotating the second bidirectional screw, so that the connecting plate drives the two first extrusion rollers to rotate relatively or oppositely, and the bearing plate drives the two second extrusion rollers to move relatively or oppositely, and the extrusion force applied by the first extrusion rollers and the second extrusion rollers to the waterproof belt can be adjusted according to detection requirements.
4. According to the utility model, the fire hose can be limited through the limiting protrusions, so that the left side and the right side of the fire hose are at the same height, the pressure bearing strength of the fire hose is consistent, and friction between the bottom of the fire hose and the positioning plate is avoided.
5. According to the utility model, the longitudinal extrusion force and the transverse extrusion force can be respectively applied to the fire hose through the first extrusion roller and the second extrusion roller, so that the fire hose is ensured to be uniformly stressed, and the fire hose can be supported through the first extrusion roller and the second extrusion roller, so that the fire hose is prevented from being bent downwards under the action of gravity of water in the fire hose to influence the detection effect.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic partial perspective view of the clamping unit of the present utility model (excluding the winding assembly).
Fig. 3 is a partial cutaway view of the clamping unit of the present utility model.
Fig. 4 is a schematic perspective view of a detecting unit of the present utility model.
Fig. 5 is a partial cutaway view of the L-shaped plate and annular shelf of the present utility model.
FIG. 6 is a partial cutaway view of a detection column of the present utility model.
Reference numerals: 1. a bottom plate; 2. a clamping unit; 21. a positioning plate; 22. limiting sliding grooves; 23. a sliding block; 24. a first bi-directional screw; 25. a clamping column; 251. a limit protrusion; 26. a winding assembly; 261. a U-shaped frame; 262. an unreeling roller; 263. a wind-up roll; 264. positioning a motor; 3. a detection unit; 31. an L-shaped plate; 32. an annular frame; 33. positioning a tooth holder; 34. a driving motor; 35. a transmission gear; 36. a detection column; 361. positioning columns; 362. an elastic telescopic rod; 363. a ball; 364. an annular cavity; 365. a communication hole; 366. a one-way valve; 367. an annular sponge cushion; 368. dip-dyeing the column; 37. an extrusion assembly; 371. a fixing plate; 372. a first squeeze roll; 373. a connecting plate; 374. a receiving plate; 375. a second squeeze roll; 376. a rubber strip; 377. a linkage plate; 378. a second bidirectional screw; 4. fire hose.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.
A fire hose pressure-bearing performance detecting apparatus according to an embodiment of the present utility model is described below with reference to the accompanying drawings. Referring to fig. 1, a fire hose pressure-bearing performance detection device comprises a bottom plate 1, a clamping unit 2 and a detection unit 3, wherein the clamping unit 2 and the detection unit 3 are arranged at the upper end of the bottom plate 1, and the detection unit 3 is located in the middle of the clamping unit 2.
Referring to fig. 1, 2 and 3, the clamping unit 2 comprises a positioning plate 21, two positioning plates 21 are symmetrically arranged at the left and right ends of the bottom plate 1, two limiting sliding grooves 22 are symmetrically arranged at the front and rear ends of the positioning plate 21, sliding blocks 23 are slidably connected in the limiting sliding grooves 22, first bidirectional screws 24 penetrating through the sliding blocks 23 in a threaded connection mode are rotatably connected to the positioning plate 21, the two first bidirectional screws 24 are connected through belt transmission, synchronous rotation of the two first bidirectional screws 24 can be realized by rotating any one first bidirectional screw 24 so as to improve the adjusting efficiency of the sliding blocks 23, clamping columns 25 are rotatably connected to the upper ends of the sliding blocks 23, two groups of connecting pieces are symmetrically arranged on the outer walls of the clamping columns 25 up and down, each connecting piece comprises limiting protrusions 251 uniformly distributed around the circumference of the clamping columns 25, the limiting protrusions 251 on the outer walls of the two clamping columns 25 on the same positioning plate 21 are staggered, and through the arrangement of the limiting protrusions 251, when a fire hose 4 is clamped between the two clamping columns 25, the limiting protrusions 251 can carry out synchronous rotation on the two first bidirectional screws 24, so that the fire hose 4 can be subjected to the same level as the waterproof hose 4, and the fire hose 4 can not have the same pressure-proof strength, and the fire hose can be positioned between the fire hose and the fire hose 21; the upper end of the bottom plate 1 is also provided with a winding component 26.
Referring to fig. 1, the winding assembly 26 includes a U-shaped frame 261, a U-shaped frame 261 with a downward opening is installed at an upper end of the bottom plate 1, the U-shaped frame 261 is located at a front side of the positioning plate 21, an unreeling roller 262 is rotatably connected to a left side of an inner top wall of the U-shaped frame 261 in a detachable manner, a winding roller 263 is rotatably connected to a right side of the inner top wall of the U-shaped frame 261 in a detachable manner, the unreeling roller 262 and the winding roller 263 are connected through a belt, a positioning motor 264 is arranged at an upper end of the U-shaped frame 261 through a motor base, and an output shaft of the positioning motor 264 is connected with the winding roller 263.
During specific operation, first bidirectional screw 24 is rotated first, first bidirectional screw 24 rotates the in-process and drives two sliding blocks 23 of its outer wall to remove relatively or move in opposite directions, thereby adjust the interval between two grip posts 25 on locating plate 21 according to the thickness of fire hose 4, in order to detect fire hose 4 that the thickness is different, later roll up fire hose 4 to be detected on unreeling roller 262, then pass two grip posts 25 on the left side of bottom plate 1 with the one end that is kept away from of fire hose 4, pour a certain amount of water into fire hose 4 again, later seal the one end that is kept away from of fire hose 4 of unreeling roller 262 and pass two grip posts 25 on the right side of bottom plate 1, this moment the fire hose 4 between the grip posts 25 on the left and right sides of bottom plate 1 is the detection section, can seal the fire hose 4 through the tight force that grip posts 25 applyed to fire hose 4, can prevent that water in fire hose 4 from spilling and influencing the detection effect, thereby keep water in the fire hose 4 in the left and right side of bottom plate 4 between the grip posts 262, make this fire hose 4 keep the one end of the fire hose 4 in the state of unreeling roller 262, then be the state of unreeling roller 262.
Then, a positioning motor 264 is started, the positioning motor 264 drives a winding roller 263 to rotate clockwise, the winding roller 263 drives an unwinding roller 262 to rotate synchronously through a belt, so that the winding roller 263 winds the fire hose 4, right pulling force is applied to the fire hose 4, when the fire hose 4 is wound, the left side and the right side of the fire hose 4 are always in a sealing state under the action of a clamping column 25, so that water in the fire hose 4 is always reserved in a detection section, the pressure-bearing performance of the fire hose 4 can be detected by matching with a detection unit 3, and the fire hose 4 with different lengths can be detected, and the adaptability is strong; after the fire hose 4 is detected, one end of the fire hose 4 far away from the winding roller 263 is taken down, then water in the fire hose 4 is discharged, and finally the fire hose 4 and the winding roller 263 are taken down.
Referring to fig. 1, 4 and 5, the detecting unit 3 includes an L-shaped plate 31, an annular frame 32, a positioning tooth holder 33, a driving motor 34, a transmission gear 35, a detecting column 36 and a pressing assembly 37, wherein: two L-shaped plates 31 are symmetrically arranged in the front and back of the middle of the upper end of the bottom plate 1, an annular frame 32 is rotationally connected between the two L-shaped plates 31, annular sliding grooves are formed in opposite sides of the L-shaped plates 31, a plurality of positioning tooth holders 33 which are rotationally connected in the annular sliding grooves are circumferentially and uniformly arranged on the outer wall of the annular frame 32, a driving motor 34 is arranged on the outer wall of any one L-shaped plate 31 through a motor cover, an output shaft of the driving motor 34 extends into the annular sliding grooves and is sleeved with a transmission gear 35 meshed with the positioning tooth holders 33, a detection column 36 is arranged on the inner side wall of the annular frame 32, and an extrusion assembly 37 is further arranged on the bottom plate 1.
Referring to fig. 6, the detection column 36 is composed of a positioning column 361, an elastic telescopic rod 362, and a ball 363, wherein: the inner side wall of the annular frame 32 is uniformly provided with a plurality of positioning columns 361 from left to right and circumferentially, one side of the positioning columns 361, which is close to the axis of the annular frame 32, is provided with a mounting groove, an elastic telescopic rod 362 is arranged in the mounting groove, one end of the elastic telescopic rod 362, which is close to the axis of the annular frame 32, is rotationally connected with a ball 363 passing through the positioning columns 361, and the elastic telescopic rod 362 always applies a pushing force to the ball 363, which points to the axis of the annular frame 32, so that the ball 363 is in rolling contact with the fire hose 4 under the action of the pushing force; an annular cavity 364 is formed in one side, close to the axis of the annular frame 32, of the inner portion of the positioning column 361, the annular cavity 364 is communicated with the outside through a connecting hole, a one-way valve 366 is arranged in the communication hole 365, and through the arrangement of the one-way valve 366, liquid can only flow into the annular cavity 364, so that the liquid in the annular cavity 364 is prevented from flowing out of the communication hole 365, and an annular foam cushion 367 is detachably arranged on one side wall, close to the axis of the annular frame 32, of the positioning column 361; the annular cavity 364 is provided with a plurality of through holes in the circumferential direction on one side close to the axis of the annular frame 32, a plurality of dip-dyeing columns 368 penetrating through the through holes are uniformly arranged in the circumferential direction on one side of the annular foam cushion 367 far away from the axis of the annular frame 32, and one end of the dip-dyeing column 368 far away from the annular foam cushion 367 is connected with the inner wall on one side of the annular cavity 364 far away from the annular foam cushion 367; in practice of the utility model, it is desirable to inject liquid paint into annular cavity 364, and to direct the paint through dip-dye column 368 into annular foam-rubber cushion 367, and to print the paint inside annular foam-rubber cushion 367 on the outer wall of fire hose 4 when it comes into contact with the outer wall of fire hose 4, so as to facilitate marking.
Referring to fig. 4, the pressing assembly 37 includes a fixing plate 371, two fixing plates 371 are symmetrically disposed on the upper end of the base plate 1 about the L-shaped plate 31, two first pressing rollers 372 are symmetrically connected to the upper end of the fixing plate 371 on the left side of the L-shaped plate 31 through ball hinges in a rotating manner, a connecting plate 373 is commonly connected to the upper ends of the two first pressing rollers 372 in a rotating manner, two receiving plates 374 are symmetrically disposed on the upper end of the fixing plate 371 on the right side of the L-shaped plate 31 in a front-rear direction, and two second pressing rollers 375 are symmetrically connected to the opposite sides of the receiving plates 374 in a rotating manner about the axis of the ring frame 32 in an up-down direction; a plurality of rubber strips 376 for increasing friction force are uniformly arranged on the outer walls of the first extrusion roller 372 and the second extrusion roller 375 in the circumferential direction; through the setting of rubber strip 376, can increase its frictional force with fire hose 4 outer wall to when fire hose 4 passes between two first squeeze rollers 372 and between two second squeeze rollers 375, can drive first squeeze rollers 372 and second squeeze rollers 375 through its frictional force with rubber strip 376 and rotate.
With continued reference to fig. 4, the connection plate 373 and the receiving plate 374 are expansion plates, the expansion end of the connection plate 373 is rotationally connected with the first extrusion roller 372 through a ball hinge, the expansion end of the receiving plate 374 is rotationally connected with the second extrusion roller 375 through a ball hinge, the upper end of the expansion end of the connection plate 373 and the expansion end of the receiving plate 374 on the side far away from the second extrusion roller 375 are both provided with linkage plates 377, and a second bidirectional screw 378 is connected between the two opposite linkage plates 377 in a common threaded manner; it should be noted that, the two linkage plates 377 on the outer wall of the two linkage plates can be driven to move relatively or move oppositely by rotating the second bidirectional screw 378, so that the connecting plate 373 can drive the two first squeeze rollers 372 to rotate relatively or rotate oppositely through the ball hinge, and the receiving plate 374 can drive the two second squeeze rollers 375 to move relatively or move oppositely through the ball hinge, so that the extrusion force applied by the first squeeze rollers 372 and the second squeeze rollers 375 to the waterproof belt 4 can be adjusted according to the detection requirement.
During concrete work, first the second bidirectional screw 378 is rotated, the second bidirectional screw 378 drives two linkage plates 377 on the outer wall of the second bidirectional screw 378 to move oppositely, at this time, the distance between the two first extrusion rollers 372 and the distance between the two second extrusion rollers 375 are the largest, then the fire hose 4 passes through the two first extrusion rollers 372, the annular frame 32 and the two second extrusion rollers 375 in sequence after passing through the two clamping columns 25 on the left side of the bottom plate 1, then the second bidirectional screw 378 is reversely rotated, the second bidirectional screw 378 drives the two linkage plates 377 on the outer wall of the second bidirectional screw 378 to relatively move, at this time, the distance between the two first extrusion rollers 372 and the distance between the two second extrusion rollers 375 gradually decrease and apply extrusion force to the fire hose 4, and the longitudinal extrusion force applied to the fire hose 4 through the two first extrusion rollers 372 and the transverse extrusion force applied to the fire hose 4 can ensure that the fire hose 4 is stressed uniformly.
Then, a driving motor 34 is started, the driving motor 34 drives a transmission gear 35 to rotate, the transmission gear 35 drives the annular frame 32 to rotate through a positioning tooth seat 33, so that the annular frame 32 drives a positioning column 361 to rotate around the fire hose 4, and a ball 363 is in rolling contact with the outer wall of the fire hose 4, so that the annular frame 32 can conveniently detect the pressure-bearing performance of the fire hose 4 through a detection column 36; when the pressure-bearing performance of the fire hose 4 is good, the fire hose 4 positioned inside the annular frame 32 is not deformed; if the pressure-bearing performance of the fire hose 4 is not in line with the requirement, the fire hose 4 positioned in the annular frame 32 can be extruded, when the annular frame 32 drives the positioning column 361 to rotate to the protrusion of the fire hose 4, the balls 363 are contracted by the extrusion force of the protrusion, and at the moment, the annular foam cushion 367 is contacted with the protrusion of the outer wall of the fire hose 4, so that the annular foam cushion 367 is printed with marks at the protrusion, and later checking is facilitated; in addition, if the fire hose 4 leaks water in the detection process, the pressure-bearing performance of the fire hose 4 is not satisfactory.
The working process of the utility model is as follows: s1: first, the first bidirectional screw 24 is rotated, and the two sliding blocks 23 on the outer wall of the first bidirectional screw 24 are driven to move relatively or move reversely in the rotating process, so that the distance between the two clamping columns 25 on the positioning plate 21 is adjusted according to the thickness of the fire hose 4, then the fire hose 4 to be detected is wound on the unwinding roller 262, then one end of the fire hose 4, which is far away from the unwinding roller 262, passes through the two clamping columns 25 on the left side of the bottom plate 1, and a certain amount of water is filled into the fire hose 4.
S2: the second bidirectional screw 378 is rotated, the second bidirectional screw 378 drives the two linkage plates 377 on the outer wall of the second bidirectional screw 378 to move back to back, at this time, the distance between the two first extrusion rollers 372 and the distance between the two second extrusion rollers 375 are the largest, and then the fire hose 4 passes through the two first extrusion rollers 372, the annular frame 32 and the two second extrusion rollers 375 in sequence after passing through the two clamping columns 25 on the left side of the bottom plate 1, then one end of the fire hose 4 far away from the unwinding roller 262 is sealed and passes through the two clamping columns 25 on the right side of the bottom plate 1, at this time, the fire hose 4 between the clamping columns 25 on the left and right sides of the bottom plate 1 is the detection section, the abutting force applied by the fire hose 4 through the clamping columns 25 can seal the fire hose 4, and water in the fire hose 4 is prevented from overflowing, so that the water in the fire hose 4 is kept between the clamping columns 25 on the left and right sides of the bottom plate 1, the detection section of the fire hose 4 is in a bulge state, then one end of the fire hose 4 far away from the unwinding roller 262 is wound on the winding up roller 263, then the two extrusion rollers 263 are wound, the opposite extrusion force is applied in a state, and the opposite extrusion force is applied between the two opposite extrusion rollers 375 is reduced, and the two opposite extrusion force is applied between the two opposite extrusion rollers on the two opposite sides of the fire hose 4, and the fire hose 4 is gradually applied in the condition between the two extrusion force is the fire hose 378, and the fire hose 4 is in the two extrusion force is in the compression force is in water.
S3: the positioning motor 264 is started, the positioning motor 264 drives the winding roller 263 to rotate clockwise, the winding roller 263 drives the unwinding roller 262 to rotate synchronously through the belt, so that the winding roller 263 winds the fire hose 4, right pulling force is applied to the fire hose 4, when the fire hose 4 is wound, the left side and the right side of the fire hose 4 are always in a sealing state under the action of the clamping columns 25, and therefore water in the fire hose 4 is always reserved in the detection section.
S4: starting a driving motor 34, driving the driving motor 34 to drive a transmission gear 35 to rotate, and driving the annular frame 32 to rotate by the transmission gear 35 through a positioning tooth seat 33, so that the annular frame 32 drives a positioning column 361 to rotate around the fire hose 4, and a ball 363 is in rolling contact with the outer wall of the fire hose 4, so that the annular frame 32 can conveniently detect the pressure-bearing performance of the fire hose 4 through a detection column 36; when the pressure-bearing performance of the fire hose 4 is good, the fire hose 4 positioned inside the annular frame 32 is not deformed; if the pressure-bearing performance of the fire hose 4 is not in line with the requirement, the fire hose 4 positioned in the annular frame 32 can be extruded, when the annular frame 32 drives the positioning column 361 to rotate to the protrusion of the fire hose 4, the balls 363 are contracted by the extrusion force of the protrusion, and at the moment, the annular foam cushion 367 is contacted with the protrusion of the outer wall of the fire hose 4, so that the annular foam cushion 367 is printed with marks at the protrusion, and later checking is facilitated; in addition, if the fire hose 4 leaks water in the detection process, the pressure-bearing performance of the fire hose 4 is not satisfactory.
S5: after the fire hose 4 is detected, one end of the fire hose 4 far away from the winding roller 263 is taken down, then water in the fire hose 4 is discharged, and finally the fire hose 4 and the winding roller 263 are taken down.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The fire hose pressure-bearing performance detection device is characterized by comprising a bottom plate (1), a clamping unit (2) and a detection unit (3), wherein the clamping unit (2) and the detection unit (3) are arranged at the upper end of the bottom plate (1), and the detection unit (3) is positioned in the middle of the clamping unit (2);
the clamping unit (2) comprises a positioning plate (21), two positioning plates (21) are symmetrically arranged at the left and right of the upper end of the bottom plate (1), two limiting sliding grooves (22) are symmetrically formed in the front and rear of the upper end of the positioning plate (21), sliding blocks (23) are connected in a sliding mode in the limiting sliding grooves (22), a first bidirectional screw (24) penetrating through the sliding blocks (23) in a threaded mode is connected to the positioning plate (21) in a rotating mode, the two first bidirectional screws (24) are connected through belt transmission, clamping columns (25) are connected to the upper end of the sliding blocks (23) in a rotating mode, and a winding assembly (26) is further arranged at the upper end of the bottom plate (1);
the detection unit (3) comprises an L-shaped plate (31), two L-shaped plates (31) are symmetrically arranged in front of and behind the middle of the upper end of the bottom plate (1), an annular frame (32) is rotationally connected between the two L-shaped plates (31), annular sliding grooves are formed in opposite sides of the L-shaped plates (31), a plurality of positioning tooth holders (33) rotationally connected in the annular sliding grooves are uniformly formed in the circumferential direction of the outer wall of the annular frame (32), a driving motor (34) is arranged on the outer wall of any L-shaped plate (31) through a motor cover, a transmission gear (35) meshed with the positioning tooth holders (33) is sleeved on the output shaft of the driving motor (34) extending into the annular sliding groove, a detection column (36) is arranged on the inner side wall of the annular frame (32), and an extrusion assembly (37) is further arranged on the bottom plate (1);
the detection column (36) is composed of a positioning column (361), an elastic telescopic rod (362) and balls (363), wherein: the inner side wall of the annular frame (32) is uniformly provided with a plurality of positioning columns (361) from left to right and circumferentially, one side of each positioning column (361) close to the axis of the annular frame (32) is provided with a mounting groove, an elastic telescopic rod (362) is arranged in each mounting groove, and one end of each elastic telescopic rod (362) close to the axis of the annular frame (32) is rotationally connected with a ball (363) penetrating through each positioning column (361);
an annular cavity (364) is formed in one side, close to the axis of the annular frame (32), of the positioning column (361), the annular cavity (364) is communicated with the outside through a connecting hole, a one-way valve (366) is arranged in the communication hole (365), and an annular foam cushion (367) is detachably arranged on one side wall, close to the axis of the annular frame (32), of the positioning column (361);
a plurality of through holes are circumferentially formed in one side, close to the axis of the annular frame (32), of the annular cavity (364), a plurality of dip-dyeing columns (368) penetrating through the through holes are circumferentially and uniformly arranged in one side, far away from the axis of the annular frame (32), of the annular foam-rubber cushion (367), and one end, far away from the annular foam-rubber cushion (367), of the dip-dyeing columns (368) is connected with the inner wall of one side, far away from the annular foam-rubber cushion (367), of the annular cavity (364);
the extrusion subassembly (37) is including fixed plate (371), bottom plate (1) upper end is provided with two fixed plates (371) about L shaped plate (31) bilateral symmetry, the symmetry is connected with two first squeeze rolls (372) around the axis of annular frame (32) about L shaped plate (31) left fixed plate (371) upper end through ball hinge rotation, two first squeeze rolls (372) upper ends joint rotation is connected with connecting plate (373), symmetry is provided with two and accepts board (374) around fixed plate (371) upper end on L shaped plate (31) right side, accept board (374) opposite side and rotate about the axis of annular frame (32) symmetry and be connected with two second squeeze rolls (375), the outer wall of first squeeze roll (372) and second squeeze roll (375) is all circumference evenly provided with a plurality of rubber strips (376) that are used for increasing frictional force.
2. The fire hose pressure-bearing performance detection device according to claim 1, wherein: the winding assembly (26) comprises a U-shaped frame (261), the U-shaped frame (261) with a downward opening is arranged at the upper end of the bottom plate (1), the U-shaped frame (261) is located on the front side of the positioning plate (21), the left side of the inner top wall of the U-shaped frame (261) is rotationally connected with an unreeling roller (262) in a detachable mode, the right side of the inner top wall of the U-shaped frame (261) is rotationally connected with a winding roller (263) in a detachable mode, the unreeling roller (262) and the winding roller (263) are connected through a belt, a positioning motor (264) is arranged at the upper end of the U-shaped frame (261), and an output shaft of the positioning motor (264) is connected with the winding roller (263).
3. The fire hose pressure-bearing performance detection device according to claim 1, wherein: the connecting plate (373) and the bearing plate (374) are expansion plates, the expansion ends of the connecting plate (373) are rotationally connected with the first extrusion roller (372) through ball hinges, the expansion ends of the bearing plate (374) are rotationally connected with the second extrusion roller (375) through ball hinges, the expansion ends of the connecting plate (373) and the bearing plate (374) are far away from the expansion ends of one side of the second extrusion roller (375), linkage plates (377) are arranged at the expansion ends of one side of the connecting plate (373), and a second bidirectional screw (378) is connected between the two opposite linkage plates (377) through common threads.
4. The fire hose pressure-bearing performance detection device according to claim 1, wherein: two groups of connecting pieces are symmetrically arranged on the outer walls of the clamping columns (25) up and down, each connecting piece comprises limiting protrusions (251) which are uniformly distributed around the circumference of the clamping column (25), and the limiting protrusions (251) on the outer walls of the two clamping columns (25) on the same locating plate (21) are arranged in a staggered mode.
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| CN202211496209.2A CN115753386B (en) | 2022-11-24 | 2022-11-24 | Fire hose pressure-bearing performance detection equipment |
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| CN202211496209.2A CN115753386B (en) | 2022-11-24 | 2022-11-24 | Fire hose pressure-bearing performance detection equipment |
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| CN115753386B true CN115753386B (en) | 2023-06-06 |
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| CN117340949B (en) * | 2023-12-04 | 2024-02-02 | 泰州市顺发消防器材有限公司 | Cutting device of fire hose |
| CN117664729A (en) * | 2023-12-12 | 2024-03-08 | 河北金蔼缘科技有限公司 | Be used for fire control facility ageing safety inspection device |
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