CN217277465U

CN217277465U - PVC tubular product pressure detection auxiliary assembly

Info

Publication number: CN217277465U
Application number: CN202121380233.0U
Authority: CN
Inventors: 王焕; 王生元; 王生龙; 李天帅; 杨喜军; 董志伟
Original assignee: Hohhot Jun Zi Lan Plastic LLC
Current assignee: Hohhot Jun Zi Lan Plastic LLC
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-08-23
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a PVC tubular product pressure measurement auxiliary assembly, it includes the frame, hangs board, first bearing structure and second bearing structure, hangs two and fixedly respectively be equipped with a pair of peg on the relative lateral wall of board, is equipped with a pair of hangers that correspond the setting with adjacent peg on the head subassembly at the pipe both ends that awaits measuring respectively. The advantages are that: the pipe to be tested is suspended between the two suspension plates through the end enclosure assemblies at the two ends, and the end enclosure assemblies at the two ends are clamped through the suspension plates, so that the end enclosures can be prevented from falling off from the pipe to be tested under the action of pressure, the sealing performance of the two ends of the pipe to be tested is ensured, and the test stability is further improved; the distance between the two suspension plates and the heights of the first supporting structure and the second supporting structure are adjustable, so that the device can be suitable for testing pipes with different lengths and diameters, and is wide in application range; the distance between the two hanging plates can be adjusted through the first handle and the second handle, and the hanging device is convenient and quick.

Description

PVC tubular product pressure testing auxiliary assembly

The technical field is as follows:

the utility model relates to a PVC tubular product pressure measurement technical field, specifically speaking relate to a PVC tubular product pressure measurement auxiliary assembly.

The background art comprises the following steps:

the national standard of PVC pipes for water supply is hydrostatic test, namely the PVC pipes are continuously pressed to a certain pressure under the conditions of specified water temperature and room temperature, and then the PVC pipes are statically operated for 1 hour, and the PVC pipes are qualified if the PVC pipes are not broken or leaked. The specific test process is as follows: firstly, cutting a PVC pipe with a certain length (generally 170cm) as a pipe to be tested, sealing two ends of the pipe to be tested by using end enclosure assemblies, mounting a pressure pipe on one end enclosure, vertically adding water (pressure test medium) into the pipe to be tested, pushing the pipe down after filling the water, and then injecting water through a pressure machine to perform a pressure test experiment. Above-mentioned in-process needs the above-mentioned concurrent operation of 2 people, complex operation, inefficiency to in the test process, the head subassembly at both ends drops from the both ends of awaiting measuring the pipe easily under the effect of intraductal pressure, poor stability, and influences experimental going on smoothly.

The utility model has the following contents:

an object of the utility model is to provide an improve experimental stability's PVC tubular product pressure testing auxiliary assembly.

The utility model discloses implement by following technical scheme: the PVC pipe pressure detection auxiliary equipment comprises a rack, suspension plates, a first supporting structure and a second supporting structure, wherein the two suspension plates which are arranged oppositely are vertically arranged on the rack; a through hole corresponding to the pipe to be tested is formed in the middle of one suspension plate, a pressurizing pipe is communicated with an end plate of the seal head assembly on the inner side of the through hole, and a control valve and a pressure gauge are mounted on the pressurizing pipe; the frame between the two suspension plates is provided with the first support structure and the second support structure for supporting the pipe to be tested; one suspension plate is a fixed suspension plate fixed with the rack, the other suspension plate is a sliding suspension plate in sliding connection with the rack, and the sliding suspension plate slides along the axial direction of the through hole; and a driving mechanism for driving the sliding suspension plate to move is fixed on the rack.

Further, the first supporting structure comprises two supporting wheels which are transversely arranged on the rack below the pipe to be measured, and the axial directions of the supporting wheels are vertically arranged relative to the axis of the through hole.

Furthermore, the rack is rotatably provided with two driving shafts which are respectively in one-to-one correspondence with the two supporting wheels, rotating shafts of the supporting wheels are connected with the corresponding driving shafts through supports, and the rack is provided with a first supporting drive for driving the driving shafts to rotate.

Further, two support wheels are respectively arranged on the side wall of the driving shaft at one side adjacent to the suspension plate.

Furthermore, the first support drive comprises a first drive, a driving wheel, a driven wheel, an inner guide wheel and an outer guide wheel, the driving wheel, the driven wheel, the inner guide wheel and the outer guide wheel which are axially and vertically arranged with the through hole are vertically and rotatably arranged on the rack on one side of the first support structure, a chain is sleeved between the driving wheel and the driven wheel, the inner guide wheel is meshed with the inner side of the chain, and the outer guide wheel is meshed with the outer side of the chain; the rack is provided with a first drive for driving the driving wheel to rotate, and the driven wheel and the outer guide wheel are coaxially fixed with the two driving shafts respectively.

Furthermore, the first drive comprises a first handle and a first clamping piece, the bottom end of the first handle is slidably sleeved at the outer end of the central shaft of the driving wheel, a plurality of first clamping pieces matched with the first handle are fixed on the rack, and the first handle is movably clamped in any one of the first clamping pieces.

Further, the second support structure comprises two pairs of support rollers arranged axially along the through hole; two pairs of supporting rollers are respectively arranged on the inner sides of the two suspension plates, and the supporting rollers are positioned between the first supporting structure and the through hole.

Furthermore, the supporting roller is rotatably connected with one end of a rocker arm, the other end of the rocker arm is rotatably connected with the corresponding suspension plate, and a second drive for driving the rocker arm to rotate outwards is fixed on the suspension plate.

Furthermore, the second driving device comprises a second handle and second clamping pieces, the bottom end of the second handle is sleeved outside the other end of the rocker arm in a sliding mode, a plurality of second clamping pieces corresponding to the corresponding second handles are fixed on the suspension plate, and the second handles are movably clamped in any one of the second clamping pieces.

Furthermore, the driving mechanism is an automatic telescopic rod which is horizontally arranged, a cylinder body of the automatic telescopic rod is fixedly connected with the rack, and a piston rod of the automatic telescopic rod is fixedly connected with the sliding suspension plate.

Furthermore, the pipeline clamping device further comprises a pull rod and a pipeline clamping jaw, wherein the pull rod is detachably connected to the inner side of the suspension plate, and the pipeline clamping jaw is connected to the pull rod.

Furthermore, a support frame is rotatably arranged at the top of one side of the rack, and a winch is fixed to the top of the support frame.

The utility model has the advantages that: the pipe to be tested is suspended between the two suspension plates through the end sockets at the two ends, and the end socket assemblies at the two ends are clamped by the suspension plates, so that the end socket assemblies can be prevented from falling off from the pipe to be tested under the action of pressure, the sealing performance of the two ends of the pipe to be tested is ensured, and the stability of the test is further improved; the distance between the two suspension plates and the heights of the first supporting structure and the second supporting structure are adjustable, so that the device can be suitable for testing pipes with different lengths and diameters, and is wide in application range; the distance between the two hanging plates can be adjusted through the first handle and the second handle, and the hanging device is convenient and quick.

Description of the drawings:

fig. 1 is a front view of the present invention.

Fig. 2 is a rear view of the present invention.

Fig. 3 is a schematic structural view of the head assembly.

Fig. 4 is a usage status diagram of the present invention.

Fig. 5 is another usage state diagram of the present invention.

The device comprises a rack 1, a suspension plate 2, a first supporting structure 3, a supporting wheel 301, a driving shaft 302, a first driving device 303, a driving wheel 304, a driven wheel 305, an inner guide wheel 306, an outer guide wheel 307, a chain 308, a first handle 309, a first clamping piece 310, a second supporting structure 4, a supporting roller 401, a rocker arm 402, a second handle 404, a second clamping piece 405, a supporting frame 5, a winch 6, a hanging rod 7, a pipe to be measured 8, a hanging lug 9, a through hole 10, a sealing head assembly 11, an end plate 1101, an inner sleeve 1102, an outer sleeve 1103, a connecting flange 1104, a bolt 1105, a pressure pipe 12, a control valve 13, a pressure gauge 14, a driving mechanism 15, a pull rod 16, a pipeline clamping jaw 17 and a pull rod hook 18.

The specific implementation mode is as follows:

in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 5, the auxiliary device for detecting pressure of PVC pipe comprises a frame 1, a suspension plate 2, a first support structure 3 and a second support structure 4, wherein two suspension plates 2 arranged oppositely are vertically arranged on the frame 1,

a pair of hanging rods 7 is respectively and fixedly arranged on the opposite side walls of the two hanging plates 2, and a pair of hanging lugs 9 which are arranged corresponding to the adjacent hanging rods 7 are respectively arranged on the end enclosure assemblies 11 at the two ends of the pipe 8 to be measured; the end socket assembly 11 comprises an inner sleeve 1102, an end plate 1101 and an outer sleeve 1103, the hangers 9 are fixed on the outer wall of the inner sleeve 1102, the end part of the inner sleeve 1102 adjacent to the connecting flange 1104 is a sleeving end with the outer diameter gradually reduced, the end part of the pipe 8 to be tested is sleeved outside the inner sleeve 1102, the pipe to be tested and the inner sleeve are in interference fit, the outer sleeve 1103 is sleeved outside the pipe 8 to be tested, and a flange at the end part of the outer sleeve 1103 is connected with the connecting flange 1104 through bolts 1105; an end plate 1101 is fixed to the end of the inner sleeve 1102 adjacent to the inner sleeve 1102. When in use, the outer sleeve 1103 is sleeved outside the pipe 8 to be tested, and then the pipe 8 to be tested is led in from the sleeving end and sleeved outside the inner sleeve 1102; the connection flange 1104 is then connected to the flange on the outer sleeve 1103 by bolts 1105, completing the installation of the head assembly.

A through hole 10 corresponding to the pipe to be tested 8 is formed in the middle of one suspension plate 2, a pressurizing pipe 12 is communicated with an end plate 1101 of an end enclosure assembly 11 on the inner side of the through hole 10, the pressurizing pipe 12 can be connected with a water source through a pipeline penetrating through the through hole 10, and a control valve 13 and a pressure gauge 14 are mounted on the pressurizing pipe 12; a support frame 5 is rotatably arranged at the top of one side of the frame 1, and a winch 6 is fixed at the top of the support frame 5; fixing a pipe to be detected by using a steel wire rope of a winch 6, then hoisting the pipe 8 to be detected by using the winch 6, rotating a support frame 5, moving the pipe 8 to be detected between two suspension plates 2, lowering the pipe to be detected by using the winch 6, adjusting the pipe 8 to be detected to enable hanging lugs 9 at two ends to be respectively hung on corresponding hanging rods 7, and supporting end enclosure assemblies 11 at two sides of the pipe 8 to be detected by using the two suspension plates 2 to prevent the end enclosure assemblies 11 from being broken and falling due to overlarge pressure in the pipe, thereby ensuring smooth detection; then, the steel wire rope is detached from the pipe to be tested and moved to one side of the rack 1; finally, the control valve 13 is opened, water can be filled into the pipe through the pressurizing pipe 12 for testing, and the pressure in the pipe 8 to be tested can be observed through the pressure gauge 14.

Preferably, one suspension plate 2 is a fixed suspension plate fixed with the frame 1, the other suspension plate 2 is a sliding suspension plate connected with the frame 1 in a sliding manner, and the sliding suspension plate 2 slides along the axial direction of the through hole 10; a driving mechanism 15 for driving the sliding suspension plate 2 to move is fixed to the frame 1. The sliding suspension plates can be driven to move through the driving mechanism 15, and the distance between the two suspension plates 2 is further adjusted, so that the requirements of pipes to be tested with different lengths are met; the driving mechanism 15 is an automatic telescopic rod which is horizontally arranged, a cylinder body of the automatic telescopic rod is fixedly connected with the rack 1, and a piston rod of the automatic telescopic rod is fixedly connected with the sliding suspension plate 2; the automatic telescopic rod is any one of an air cylinder, an oil cylinder or an electric push rod; in this embodiment, the driving mechanism 15 is an oil cylinder, and the reciprocating movement of the sliding suspension plate is controlled by the expansion and contraction of the oil cylinder.

A first supporting structure 3 and a second supporting structure 4 for supporting a pipe 8 to be tested are arranged on the frame 1 between the two suspension plates 2, so that the stability of the pipe 8 to be tested can be enhanced;

the first supporting structure 3 comprises two supporting wheels 301 which are transversely arranged on the rack 1 below the pipe to be measured 8, the axial directions of the supporting wheels 301 are vertically arranged relative to the axis of the through hole 10, and the wheel surfaces of the supporting wheels 301 are V-shaped; the pipe 8 to be measured is supported by the supporting wheels 301; two driving shafts 302 which are respectively in one-to-one correspondence with the two supporting wheels 301 are rotatably arranged on the frame 1, rotating shafts of the supporting wheels 301 are connected with the corresponding driving shafts 302 through brackets, and a first supporting drive for driving the driving shafts 302 to rotate is arranged on the frame 1; the driving shaft 302 can be driven to rotate through the first supporting drive, and then the height of the supporting wheel 301 connected with the driving shaft 302 can be adjusted, so that the pipes 8 to be tested with different diameters can be supported;

the first supporting drive comprises a first drive 303, a driving wheel 304, a driven wheel 305, an inner guide wheel 306 and an outer guide wheel 307, the driving wheel 304, the driven wheel 305, the inner guide wheel 306 and the outer guide wheel 307 which are axially and vertically arranged with the through hole 10 are vertically and rotatably arranged on the frame 1 at one side of the first supporting structure 3, a chain 308 is sleeved between the driving wheel 304 and the driven wheel 305, the inner guide wheel 306 is meshed with the inner side of the chain 308, and the outer guide wheel 307 is meshed with the outer side of the chain 308; a first driving wheel 303 for driving a driving wheel 304 to rotate is arranged on the frame 1, and a driven wheel 305 and an outer guide wheel 307 are respectively coaxially fixed with the two driving shafts 302; when the first drive 303 drives the driving wheel 304 to rotate, the chain 308 can drive the inner and outer guide wheels and the driven wheel 305 to rotate, and the rotation directions of the outer guide wheel 307 and the driven wheel 305 are opposite, and the outer guide wheel and the driven wheel are always kept to rotate in opposite directions or opposite directions, so that the two support wheels 301 can be adjusted to rise or fall at the same time, and the purpose of synchronous adjustment is achieved; moreover, the two supporting wheels 301 are respectively arranged on the side wall of the driving shaft 302 at one side adjacent to the suspension plate 2, and are in an inverted splayed structure when supporting the pipe 8 to be measured; when the pressure applied to the two supporting wheels 301 by the pipe to be measured 8 acts on the chain 308, the function of reversely tensioning the chain 308 can be achieved, and the stability is ensured;

specifically, the first driving member 303 includes a first handle 309 and a first clamping member 310, the bottom end of the first handle 309 is slidably sleeved on the outer end of the central shaft of the driving wheel 304, a plurality of first clamping members 310 matched with the first handle 309 are fixed on the frame 1, and the first handle 309 is movably clamped in any of the first clamping members 310. After the first handle 309 slides outwards along the central axis of the driving wheel 304, the chain 308 can be driven to rotate by rotating the first handle 309 through the driving wheel 304, and then the driving shaft 302 connected with the outer guide wheel 307 and the driven wheel 305 is driven to rotate relatively or reversely, so that the purpose of adjusting the heights of the two supporting wheels 301 is achieved; then, the first handle 309 is pushed inwards along the central axis of the driving wheel 304, and the first handle 309 is clamped into the first clamping piece 310 at the corresponding position, so that the supporting wheel 301 can be fixed at the corresponding height.

The second supporting structure 4 comprises two pairs of supporting rollers 401, the supporting rollers 401 being arranged axially along the through hole 10; the two pairs of supporting rollers 401 are respectively arranged on the inner sides of the two suspension plates 2, and the supporting rollers 401 are positioned below the through holes 10; the supporting roller 401 is rotatably connected to one end of the swing arm 402, the other end of the swing arm 402 is rotatably connected to the corresponding suspension plate 2, and a second drive for rotating the swing arm 402 outward is fixed to the suspension plate 2. The second drive can drive the rocker arm 402 to rotate, so as to control the support roller 401 to rotate around the axis of the rocker arm 402, so as to adjust the height of the support roller 401 in the vertical plane, and thus, the pipes with different diameters can be supported. The second driving device comprises a second handle 404 and second clamping pieces 405, the bottom end of the second handle 404 is sleeved outside the other end of the rocker arm 402 in a sliding manner, a plurality of second clamping pieces 405 corresponding to the corresponding second handle 404 are fixed on the suspension plate 2, and the second handle 404 is movably clamped in any one of the second clamping pieces 405; after the second handle 404 slides outwards along the swing arm 402, the swing arm 402 can be rotated by rotating the second handle 404 to adjust the height of the supporting roller 401, and then the second handle is pushed inwards along the swing arm 402, the second handle 404 is clamped into the second clamping piece 405 at the corresponding position, so that the second handle 404 can be fixed, and the supporting roller 401 is fixed at the corresponding height.

In addition, a pull rod 16 is detachably connected to the inner side of the suspension plate 2, and a pipeline clamping jaw 17 is connected to the pull rod 16; specifically, a pull rod hook 18 is fixed on the inner side of the suspension plate 2, and two ends of a pull rod are movably clamped on the pull rod hook; the test is completed after the pipeline to be tested is exploded, the residual pipeline on the end socket assembly 11 needs to be removed, at the moment, the bolt 1105 on the end socket assembly 11 corresponding to the residual pipeline is removed firstly, then the pipeline clamping jaw 17 is clamped on the pipeline outside the end socket assembly 11, the pull rod 16 is hung on the pull rod hook 18 of the other suspension plate 2, the driving mechanism 15 is started, the distance between the two suspension plates 2 is enlarged, and then the pipeline clamping jaw 17 is driven by the pull rod to take the residual pipeline down from the corresponding inner sleeve 1102.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

The PVC pipe pressure detection auxiliary equipment is characterized by comprising a rack, two suspension plates, a first supporting structure and a second supporting structure, wherein the two suspension plates are arranged on the rack in an opposite mode, a pair of hanging rods is fixedly arranged on the opposite side walls of the two suspension plates respectively, and a pair of hanging lugs arranged corresponding to the adjacent hanging rods are arranged on end enclosure assemblies at two ends of a pipe to be detected respectively; a through hole corresponding to the pipe to be tested is formed in the middle of one suspension plate, a pressurizing pipe is communicated with an end plate of the seal head assembly on the inner side of the through hole, and a control valve and a pressure gauge are mounted on the pressurizing pipe; the frame between the two suspension plates is provided with the first support structure and the second support structure for supporting the pipe to be tested; one suspension plate is a fixed suspension plate fixed with the rack, the other suspension plate is a sliding suspension plate in sliding connection with the rack, and the sliding suspension plate slides along the axial direction of the through hole; and a driving mechanism for driving the sliding suspension plate to move is fixed on the rack.
2. The PVC pipe pressure detection auxiliary device of claim 1, wherein the first support structure comprises two support wheels transversely arranged on the machine frame below the pipe to be detected, and the axial directions of the support wheels are vertically arranged relative to the axis of the through hole.
3. The PVC pipe pressure detection auxiliary device as claimed in claim 2, wherein two driving shafts are rotatably provided on the frame, the two driving shafts respectively corresponding to the two supporting wheels one by one, the rotating shafts of the supporting wheels are connected with the corresponding driving shafts through brackets, and a first supporting drive for driving the driving shafts to rotate is provided on the frame.
4. The PVC pipe pressure detection auxiliary device of claim 3, wherein two support wheels are respectively arranged on the side wall of the driving shaft at one side adjacent to the suspension plate; the first support drive comprises a first drive, a driving wheel, a driven wheel, an inner guide wheel and an outer guide wheel, the driving wheel, the driven wheel, the inner guide wheel and the outer guide wheel which are axially and vertically arranged with the through hole are vertically and rotatably arranged on the rack on one side of the first support structure, a chain is sleeved between the driving wheel and the driven wheel, the inner guide wheel is meshed with the inner side of the chain, and the outer guide wheel is meshed with the outer side of the chain; the rack is provided with a first drive for driving the driving wheel to rotate, and the driven wheel and the outer guide wheel are coaxially fixed with the two driving shafts respectively.
5. The PVC pipe pressure detection auxiliary device of claim 4, wherein the first drive comprises a first handle and a first clamping piece, the bottom end of the first handle is slidably sleeved at the outer end of the central shaft of the driving wheel, a plurality of first clamping pieces matched with the first handle are fixed on the rack, and the first handle is movably clamped in any one of the first clamping pieces.
6. The PVC pipe pressure detection auxiliary device according to any one of claims 1 to 5, wherein the second support structure comprises two pairs of support rollers, and the support rollers are axially arranged along the through hole; two pairs of supporting rollers are respectively arranged on the inner sides of the two suspension plates, and the supporting rollers are positioned between the first supporting structure and the through hole.
7. The PVC pipe pressure detection auxiliary device as recited in claim 6, wherein the supporting roller is rotatably connected with one end of a rocker arm, the other end of the rocker arm is rotatably connected with the corresponding suspension plate, and a second driver for driving the rocker arm to rotate outwards is fixed on the suspension plate.
8. The PVC pipe pressure detection auxiliary device of claim 7, wherein the second driving device comprises a second handle and a second clamping piece, the bottom end of the second handle is slidably sleeved outside the other end of the rocker arm, a plurality of second clamping pieces corresponding to the corresponding second handle are fixed on the suspension plate, and the second handle is movably clamped in any one of the second clamping pieces.
9. The auxiliary device for detecting the pressure of the PVC pipe according to claim 1, 2, 3, 4, 5, 7 or 8, wherein the driving mechanism is an automatic telescopic rod which is horizontally arranged, a cylinder body of the automatic telescopic rod is fixedly connected with the rack, and a piston rod of the automatic telescopic rod is fixedly connected with the sliding suspension plate.
10. The PVC pipe pressure detection auxiliary device of claim 1, 2, 3, 4, 5 or 8, further comprising a pull rod and a pipe clamping jaw, wherein the pull rod is detachably connected to the inner side of the suspension plate, and the pipe clamping jaw is connected to the pull rod.
11. The PVC pipe pressure detection auxiliary device is characterized by further comprising a pull rod and a pipeline clamping jaw, wherein the pull rod is detachably connected to the inner side of the suspension plate, and the pipeline clamping jaw is connected to the pull rod.
12. The PVC pipe pressure detection auxiliary device is characterized by further comprising a pull rod and a pipeline clamping jaw, wherein the pull rod is detachably connected to the inner side of the suspension plate, and the pipeline clamping jaw is connected to the pull rod.