CN112014238A - Screw thread sealing gland experimental apparatus - Google Patents
Screw thread sealing gland experimental apparatus Download PDFInfo
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- CN112014238A CN112014238A CN202010833071.5A CN202010833071A CN112014238A CN 112014238 A CN112014238 A CN 112014238A CN 202010833071 A CN202010833071 A CN 202010833071A CN 112014238 A CN112014238 A CN 112014238A
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- rotating disc
- fixed
- support frame
- base
- sealing gland
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a screw thread sealing gland experimental device, which comprises a base, wherein a clamp structure for fixing the tail part of a sample and a rotating disc for fixing the front end of the fixed sample are arranged on the base, a three-jaw chuck is arranged on the rotating disc, a metal rod is arranged in the three-jaw chuck, the rotating disc is arranged on a rotating disc support frame, a steel wire is arranged on the rotating disc, the tail end of the steel wire is connected with a weight, the weight bypasses a fixed pulley, the clamp structure and the rotating disc are slidably arranged on a frame above the base, and the clamp structure and the rotating disc are oppositely arranged, the distance between the clamp structure and the rotating disc can be adjusted according to the sample, so that the applicability and the flexibility are improved.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to a screw thread sealing gland experimental device.
Background
The lamp is an appliance capable of transmitting light, distributing and changing the light distribution of a light source, and comprises all parts except the light source, which are required for fixing and protecting the light source, and circuit accessories which are necessary for connecting with a power supply. Light fixtures occupy an important position in our lives.
The lamp holder of the lamp is usually fixedly provided with a thread sealing gland, and the thread sealing gland is used for sealing and isolating the electrified wire and the lamp holder through the thread sealing gland so as to meet the requirement of power supply safety. In order to ensure the tightness of the installed screw gland, the torque of the screw gland needs to be tested, wherein the screw gland needs to be installed on a cylindrical metal rod according to the screw gland test requirement specified by the 4.12.5 clause in the 1 st part of the lamp of GB7000.1-2015, the diameter of the metal rod is a whole millimeter slightly smaller than the inner diameter of the sealing member, and then the metal rod is screwed down by a suitable wrench, and a torque is applied to the wrench for 1 minute, so that the lamp and the screw gland after the test should not be damaged, but the problem of inaccurate experimental data is easily caused because the force applied by manual control cannot be fixed and kept unchanged.
Disclosure of Invention
The invention aims to provide a screw thread sealing gland experimental device, which solves the problem that manual control is adopted in the background technology, force cannot be fixedly applied to the screw thread sealing gland experimental device to be kept unchanged, and experimental data are prone to being inaccurate.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thread sealing gland experimental apparatus, includes the base, be equipped with the anchor clamps structure that is used for the fixed sample afterbody on the base to and be used for the rotating disc of fixed sample front end, be equipped with the three-jaw chuck on the rotating disc, be equipped with the metal rod in the three-jaw chuck, the rotating disc is installed at the rotating disc support frame, be equipped with the steel wire on the rotating disc, the trailing end connection of steel wire has the weight, the fixed pulley is walked around to the weight, anchor clamps structure and rotating disc slidable mounting are on the frame of base top, and anchor clamps structure and rotating disc opposition set up, be equipped with horizontal regulating plate between anchor clamps structure and the rotating disc, the rotating disc can slide on horizontal regulating plate.
Preferably, the frame and the transverse adjusting plate on the upper surface of the base are both provided with sliding rails.
Preferably, the rotating disc is installed on the rotating disc support frame, and the bottom end of the rotating disc support frame is slidably installed on the sliding rails on the base and the transverse adjusting plate.
Preferably, the anchor clamps structure includes side support frame, fixed diaphragm, air pump and fixation clamp, fixed diaphragm and fixation clamp all are equipped with two sets ofly, and fixed diaphragm and fixation clamp longitudinal symmetry set up, the side support frame is the frame type, and the side support frame is equipped with fixed diaphragm for the surface of rotating disc, the fixation clamp forms the setting with fixed diaphragm, and fixed knot constructs is constituteed to two sets of fixation clamps, adjust through slide bar and threaded rod between fixed diaphragm and the fixation clamp and be connected, the bottom sliding connection of side support frame is in the base top.
Preferably, the back at the fixation clamp is connected to the one end of slide bar and threaded rod, slide bar and threaded rod run through fixed diaphragm, and threaded rod and fixed diaphragm threaded connection, install the bearing between threaded rod and the fixation clamp, through threaded rod adjusting distance between fixed diaphragm and the fixation clamp.
Preferably, the opposite surfaces of the two groups of fixing clamps are provided with mounting grooves, a rubber bag is mounted in the mounting grooves, the top end of the rubber bag is connected with a metal fixing sleeve, the metal fixing sleeve is mounted in the mounting grooves, the surfaces of the fixing clamps are provided with air ports which are communicated with the inside of the rubber bag, an air pump for inflating the rubber bag is arranged on the side face of the side supporting frame, and the air pump is connected with the fixing clamps through pipelines and is connected with the air ports.
Preferably, the fixed pulley rotates to be installed between the fixed pulley mounting bracket, the fixed pulley mounting bracket is equipped with two sets ofly, fixed pulley mounting bracket slidable mounting is on the top of L type support frame, and the slip track has also been seted up on the top of L type support frame, fixed pulley mounting bracket slidable mounting is on the slip track on L type support frame top, L type support frame slidable mounting is in the slip track on base top.
Preferably, base slidable mounting horizontal adjusting rod, and horizontal adjusting rod's slip direction is the same with the slip direction of L type support frame, horizontal adjusting rod's one end extends to the base outside, and is located the below of weight, horizontal adjusting rod's extension is served the installation and is accepted the seat, it is equipped with two sets ofly to accept the seat, accept the seat and be located the weight below, and accept the seat bottom and install the regulator.
Preferably, the regulator includes adjusting pole and gag lever post, it is connected with another group's socket to adjust pole and gag lever post to run through a set of socket, it is the threaded rod to adjust the pole, and adjusts pole screw thread and run through the socket.
The invention provides a screw thread sealing gland experimental device which has the following beneficial effects:
(1) according to the invention, the clamp structure for fixing the tail part of the sample and the rotating disc for fixing the front end of the fixed sample are arranged on the base, and the side supporting frame and the rotating disc supporting frame arranged on the clamp structure are slidably arranged in the sliding rail on the upper surface of the base and on the sliding rail of the transverse adjusting plate, so that the side supporting frame and the rotating disc supporting frame can horizontally slide above the base and can also move back and forth on the transverse adjusting plate, and thus the distance between the clamp structure and the rotating disc can be adjusted according to the actual condition of the sample, the applicability and the flexibility are increased, and the device is suitable for detecting samples of different models.
(2) According to the invention, a sample is arranged between the clamp structure and the rotating disc, the weight is hammered and hung at the bottom end of the steel wire on the rotating disc, the steel wire is pulled by using the fixed weight of the weight, so that the rotating disc connected with the steel wire generates corresponding torque, and the torque strength of the screw thread sealing gland is tested.
(3) According to the invention, the mounting groove is arranged in the fixing clamp, the rubber bag is mounted in the mounting groove, the air pump is mounted on the side wall of the side supporting frame, and the air pump is communicated with the rubber bag through the pipeline.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic structural view of a clamp structure of the present invention;
fig. 5 is a schematic view of the fixing clip structure of the present invention.
In the figure: 1. a base; 2. a transverse adjusting rod; 3. a side support frame; 4. fixing the transverse plate; 5. an air pump; 6. a fixing clip; 7. rotating the disc; 8. a steel wire; 9. a fixed pulley mounting frame; 10. a fixed pulley; 11. an L-shaped support frame; 12. a weight; 13. a bearing seat; 14. adjusting a rod; 15. a limiting rod; 16. rotating the disc support frame; 17. a sliding track; 19. a slide bar; 20. a threaded rod; 22. a bearing; 23. a metal fixing sleeve; 24. mounting grooves; 25. a rubber capsule bag; 26. a gas port; 27. and (4) transversely adjusting the plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a thread sealing gland experimental apparatus, includes base 1, be equipped with the anchor clamps structure that is used for the fixed sample afterbody on base 1 to and be used for the rotating disc 7 of fixed sample front end, be equipped with the three-jaw chuck on rotating disc 7, be equipped with the metal rod in the three-jaw chuck, rotating disc 7 is installed at rotating disc support frame 16, be equipped with steel wire 8 on rotating disc 7, the trailing end connection of steel wire 8 has weight 12, weight 12 walks around fixed pulley 10, anchor clamps structure and rotating disc 7 slidable mounting are on the frame of base 1 top, and anchor clamps structure and rotating disc 7 opposition set up, be equipped with horizontal regulating plate 27 between anchor clamps structure and the rotating disc 7, rotating disc 7 can slide on horizontal regulating plate 27.
The frame on the upper surface of the base 1 and the transverse adjusting plate 27 are both provided with sliding rails 17, and the components can slide by utilizing the sliding rails 17.
The rotating disc 7 is installed on the rotating disc support frame 16, and the bottom end of the rotating disc support frame 16 is slidably installed on the sliding rails 17 on the base 1 and the transverse adjusting plate 27, so that the rotating disc support frame 16 can transversely move on the base 1 and can also move back and forth on the transverse adjusting plate 27.
The anchor clamps structure includes side support frame 3, fixed diaphragm 4, air pump 5 and fixation clamp 6, fixed diaphragm 4 and fixation clamp 6 all are equipped with two sets ofly, and the symmetry sets up about fixed diaphragm 4 and fixation clamp 6, side support frame 3 is the frame type, and side support frame 3 is equipped with fixed diaphragm 4 for the surface of rotating disc 7, fixation clamp 6 forms the setting with fixed diaphragm 4, and fixed knot constructs is constituteed to two sets of fixation clamps 6, adjust through slide bar 19 and threaded rod 20 between fixed diaphragm 4 and the fixation clamp 6 and connect, the bottom sliding connection of side support frame 3 is in base 1 top, during the use, arranges the tail end of sample in between two sets of fixation clamps 6, then adjusts the distance between the fixation clamp 6 for two sets of fixation clamps 6 press from both sides the sample tightly, reach fixed purpose.
The back at fixation clamp 6 is connected to the one end of slide bar 19 and threaded rod 20, slide bar 19 and threaded rod 20 run through fixed diaphragm 4, and threaded rod 20 and fixed diaphragm 4 threaded connection, install bearing 22 between threaded rod 20 and the fixation clamp 6, through threaded rod 20 adjusting distance between fixed diaphragm 4 and the fixation clamp 6, during the use, through rotating threaded rod 20, utilize reciprocating of threaded rod 20 at fixed diaphragm 4, drive the fixation clamp 6 of being connected on 20 tops of threaded rod and reciprocate.
The opposite surfaces of the two groups of fixing clamps 6 are provided with mounting grooves 24, rubber bags 25 are mounted in the mounting grooves 24, metal fixing sleeves 23 are connected to the top ends of the rubber bags 25, the metal fixing sleeves 23 are mounted in the mounting grooves 24, air ports 26 are formed in the surfaces of the fixing clamps 6 and communicated with the insides of the rubber bags 25, air pumps 5 for inflating the rubber bags 25 are arranged on the side faces of the side supporting frames 3, the air pumps 5 are connected with the fixing clamps 6 through pipelines, and the pipelines are connected with the air ports 26.
The fixed pulley 10 rotates and installs between fixed pulley mounting bracket 9, fixed pulley mounting bracket 9 is equipped with two sets ofly, fixed pulley mounting bracket 9 slidable mounting is on the top of L type support frame 11, and sliding rail 17 has also been seted up on the top of L type support frame 11, fixed pulley mounting bracket 9 slidable mounting is on the sliding rail 17 on L type support frame 11 top, in the sliding rail 17 on L type support frame 1 top, during the use, according to actual demand, with fixed pulley mounting bracket 9 at the last removal of L type support frame 11, also can be according to the position control L type support frame 11 of rolling disc 7's position for L type support frame 11 and rolling disc 7 are located same water flat line.
The adjuster comprises an adjusting rod 14 and a limiting rod 15, the adjusting rod 14 and the limiting rod 15 penetrate through one group of bearing seats 13 to be connected with the other group of bearing seats 13, the adjusting rod 14 is a threaded rod, the threads of the adjusting rod 14 penetrate through the bearing seats 13, and when the adjuster is used, the adjusting rod 14 is rotated to enable the bearing seats 13 connected with the adjusting rod 14 to move up and down, so that the purpose of adjusting the distance between the two groups of bearing seats 13 is achieved
It should be noted that, in the screw sealing gland experimental device, when in use, the clamp structure for fixing the tail part of the sample and the rotating disc 7 for fixing the front end of the sample are arranged on the base 1, the position of the clamp structure and the rotating disc 7 are adjusted according to the length of the sample, the rotating disc support frame 16 moves back and forth on the transverse adjusting plate 27 to compound the distance between the clamp structure and the rotating disc 7 with the length of the sample, the tail end of the sample is arranged in the clamp structure, because the clamp structure is composed of two groups of fixing transverse plates 4 and fixing clamps 6 which are arranged on the side support frame 3 up and down, after the tail end of the sample is arranged between the fixing clamps 6 which are opposite up and down, the threaded rod 20 connecting the fixing clamps 6 and the fixing transverse plates 4 is rotated, the rotation of the threaded rod 20 drives the fixing clamps 6 to move up and down, so as to move the fixing clamps 6 which are arranged on the upper, clamping the tail end of a sample, then installing the front end of the sample on a three-jaw chuck of a rotating disc 7, inserting a metal rod on the three-jaw chuck into the sample, then installing a weight 12 with proper weight on the tail end of a steel wire 8, pulling the steel wire 8 by using the weight of the weight 12 to enable the rotating disc 7 connected with the steel wire 8 to generate corresponding torque, thereby testing the torque intensity of the thread sealing gland, changing the traditional manual mode, fixing the generated torque by using the weight fixed by the weight 12, not changing during testing, and ensuring the accuracy of the test, wherein, through arranging a mounting groove 24 in a fixing clamp 6, installing a rubber capsule bag 25 in the mounting groove 24, and installing an air pump 5 on the side wall of a side support frame 3, communicating the air pump 5 with the rubber capsule bag 25 through a pipeline, during use, according to the shape of the sample, start air pump 5 for the gas that air pump 5 produced fills in rubber bag 25, and rubber bag 25 is inflated the back and is bloated, thereby makes rubber bag 25 laminate the outside of sample completely, is applicable to the sample of fixed different shapes, and this kind of fixed mode suitability is strong, and fixed firm, adopts with gas filling, helps protecting the sample.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A screw thread sealing gland experimental device comprises a base (1) and is characterized in that a clamp structure for fixing the tail part of a sample is arranged on the base (1), and a rotating disc (7) for fixing the front end of the sample, wherein the rotating disc (7) is provided with a three-jaw chuck, a metal bar is arranged in the three-jaw chuck, the rotating disc (7) is arranged on a rotating disc support frame (16), a steel wire (8) is arranged on the rotating disc (7), the tail end of the steel wire (8) is connected with a weight (12), the weights (12) pass around the fixed pulley (10), the clamp structure and the rotating disc (7) are slidably arranged on the frame above the base (1), and the clamp structure and the rotating disc (7) are oppositely arranged, a transverse adjusting plate (27) is arranged between the clamp structure and the rotating disc (7), and the rotating disc (7) can slide on the transverse adjusting plate (27).
2. The experimental apparatus for a screw sealing gland according to claim 1, wherein: and the frame on the upper surface of the base (1) and the transverse adjusting plate (27) are provided with sliding rails (17).
3. The experimental apparatus for screw sealing gland according to claim 2, wherein: the rotary disc (7) is arranged on a rotary disc support frame (16), and the bottom end of the rotary disc support frame (16) is slidably arranged on a sliding track (17) on the base (1) and the transverse adjusting plate (27).
4. The experimental apparatus for a screw sealing gland according to claim 1, wherein: the fixture structure comprises a side support frame (3), a fixed transverse plate (4), an air pump (5) and a fixed clamp (6), wherein the fixed transverse plate (4) and the fixed clamp (6) are both provided with two sets, the fixed transverse plate (4) and the fixed clamp (6) are arranged in a vertically symmetrical mode, the side support frame (3) is of a frame type, the side support frame (3) is provided with the fixed transverse plate (4) relative to the surface of a rotating disc (7), the fixed clamp (6) and the fixed transverse plate (4) form a set, the two sets of fixed clamps (6) form a fixed structure, the fixed transverse plate (4) and the fixed clamp (6) are connected through a sliding rod (19) and a threaded rod (20) in an adjusting mode, and the bottom end of the side support frame (3) is connected to the top of a base (1.
5. The experimental apparatus for screw sealing gland according to claim 4, wherein: the back at fixation clamp (6) is connected to the one end of slide bar (19) and threaded rod (20), slide bar (19) and threaded rod (20) run through fixed diaphragm (4), and threaded rod (20) and fixed diaphragm (4) threaded connection, install bearing (22) between threaded rod (20) and fixation clamp (6), through threaded rod (20) adjusting distance between fixed diaphragm (4) and fixation clamp (6).
6. The experimental apparatus for screw sealing gland according to claim 5, wherein: the opposite surfaces of the two groups of fixing clamps (6) are provided with mounting grooves (24), rubber bags (25) are mounted in the mounting grooves (24), the top ends of the rubber bags (25) are connected with metal fixing sleeves (23), the metal fixing sleeves (23) are mounted in the mounting grooves (24), air ports (26) are formed in the surfaces of the fixing clamps (6), the air ports (26) are communicated with the insides of the rubber bags (25), air pumps (5) inflating the rubber bags (25) are arranged on the side faces of the side supporting frames (3), the air pumps (5) are connected with the fixing clamps (6) through pipelines, and the pipelines are connected with the air ports (26).
7. The experimental apparatus for a screw sealing gland according to claim 1, wherein: fixed pulley (10) rotate to be installed between fixed pulley mounting bracket (9), fixed pulley mounting bracket (9) are equipped with two sets ofly, fixed pulley mounting bracket (9) slidable mounting is on the top of L type support frame (11), and sliding track (17) have also been seted up on the top of L type support frame (11), fixed pulley mounting bracket (9) slidable mounting is on sliding track (17) on L type support frame (11) top, L type support frame (11) slidable mounting is in sliding track (17) on base (1) top.
8. The experimental apparatus for a screw sealing gland according to claim 1, wherein: base (1) slidable mounting transverse adjusting rod (2), and the slip direction of transverse adjusting rod (2) is the same with the slip direction of L type support frame (11), the one end of transverse adjusting rod (2) extends to base (1) outside, and is located the below of weight (12), the installation is served and is accepted seat (13) to the extension of transverse adjusting rod (2), it is equipped with two sets ofly to accept seat (13), it is located weight (12) below to accept seat (13), and accepts seat (13) bottom and install the regulator.
9. The experimental apparatus for a screw sealing gland according to claim 8, wherein: the regulator is including adjusting pole (14) and gag lever post (15), adjust pole (14) and gag lever post (15) and run through a set of bearing seat (13) and be connected with another group bearing seat (13), adjust pole (14) and be the threaded rod, and adjust pole (14) screw thread and run through bearing seat (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833071.5A CN112014238A (en) | 2020-08-18 | 2020-08-18 | Screw thread sealing gland experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833071.5A CN112014238A (en) | 2020-08-18 | 2020-08-18 | Screw thread sealing gland experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112014238A true CN112014238A (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010833071.5A Pending CN112014238A (en) | 2020-08-18 | 2020-08-18 | Screw thread sealing gland experimental apparatus |
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| CN (1) | CN112014238A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206270158U (en) * | 2016-11-19 | 2017-06-20 | 天津欧津汇溢市场调查有限公司 | A kind of fixture for studying fragile material bi-directional compression loading problem |
| CN210604200U (en) * | 2019-06-21 | 2020-05-22 | 宁波市信测检测技术有限公司 | Testing device for threaded sealing gland |
| CN213091137U (en) * | 2020-08-18 | 2021-04-30 | 广东优科检测认证有限公司 | Screw thread sealing gland experimental apparatus |
-
2020
- 2020-08-18 CN CN202010833071.5A patent/CN112014238A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206270158U (en) * | 2016-11-19 | 2017-06-20 | 天津欧津汇溢市场调查有限公司 | A kind of fixture for studying fragile material bi-directional compression loading problem |
| CN210604200U (en) * | 2019-06-21 | 2020-05-22 | 宁波市信测检测技术有限公司 | Testing device for threaded sealing gland |
| CN213091137U (en) * | 2020-08-18 | 2021-04-30 | 广东优科检测认证有限公司 | Screw thread sealing gland experimental apparatus |
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