CN110260768B - Port flatness detection device of emergency cutoff gate valve - Google Patents
Port flatness detection device of emergency cutoff gate valve Download PDFInfo
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- CN110260768B CN110260768B CN201910543849.6A CN201910543849A CN110260768B CN 110260768 B CN110260768 B CN 110260768B CN 201910543849 A CN201910543849 A CN 201910543849A CN 110260768 B CN110260768 B CN 110260768B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a port flatness detection device of an emergency cut-off gate valve, which relates to the field of emergency cut-off gate valves and comprises a test table board, a first motor, a bracket, a dial indicator and a stabilizing part, wherein a test hole is formed in the end part of the test table board, the first motor is positioned right above the test hole, the output shaft of the first motor is in power connection with the stabilizing part, the dial indicator is positioned on the bottom end surface of the test table board, when the stabilizing part stabilizes the emergency cut-off gate valve to be detected, the first motor is started and drives the emergency cut-off gate valve to be detected to rotate, in the rotating process, a probe of the dial indicator is always in contact with a port of the emergency cut-off gate valve to be detected, so that the flatness of the port of the emergency cut-off gate valve can be detected, the device has a simple structure and is easy to operate, the detection time is shortened, meanwhile, high professional requirements are not needed, so that production, the risk of outflow of undesirable products is significantly reduced.
Description
Technical Field
The invention relates to the field of emergency cut-off gate valves, in particular to a port flatness detection device of an emergency cut-off gate valve.
Background
The emergency cut-off valve is also called a safety cut-off valve, and means that the valve can be quickly closed or opened when an emergency occurs, so that accidents are avoided. The snap-off valve has excellent technical performance, low load loss and high reliability. The gas supply system is suitable for combustible gases such as coal gas, natural gas, liquefied petroleum gas and the like, and is widely applied to safety facilities of gas supply pipe network systems, gas heat energy factory workshops, gas boiler rooms and residential residences. The gas emergency cut-off valve is a normally open pulse trigger type electromagnetic valve and has the functions of accident self-locking and manual reset.
The applicant found that: some manufacturing enterprises mainly rely on the flatness measuring instrument to detect the single mouthful of flatness of quick action emergency valve, because its inspection cost is high, required time is long, and the specialty requires highly, consequently the number of times and quantity to its flatness detection are very limited, have increased the risk that bad product flows out.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a port flatness detecting device for an emergency shutdown valve, so as to solve the technical problems that in the prior art, a single-port flatness of the emergency shutdown valve is mainly detected by a flatness measuring instrument, and the flatness detecting times and number are very limited due to high detection cost, long required time and high professional requirement, thereby increasing the risk of poor product outflow.
The port flatness detection device of the emergency cut-off gate valve comprises a test table board, a first motor, a bracket, a dial indicator and a stabilizing part, wherein a test hole is formed in the end part of the test table board; after the stabilizing part stabilizes the emergency cut-off gate valve to be tested, the first motor drives the emergency cut-off gate valve to be tested to rotate, and in the rotating process, a detecting head of the dial indicator is always in contact with a port of the emergency cut-off gate valve to be tested, so that the flatness of the port of the emergency cut-off gate valve is detected.
The test platform further comprises a rotating part, the rotating part is positioned at the edge of the test hole on the bottom end face of the test platform, and the rotating part is fixedly connected with the dial indicator; the probe of the dial indicator does not extend into the test hole, so that the dial indicator can be driven by the rotating part to be far away from the test hole; meanwhile, during testing, the rotating part can drive the dial indicator to move within the range of the port of the emergency cut-off gate valve.
Further, the rotation portion includes dwang and second motor, the second motor is fixed in the bottom face of test table top, the output shaft of second motor with the one end key-type connection of dwang, the amesdial is fixed in the other end of dwang.
Further, the stabilizing part includes location axle, driving-disc, poker rod and three at least group passive mechanisms, the output shaft of first motor with the location axle pass through the coupling joint, the side of location axle is equipped with the shrink groove corresponding with passive mechanism, driving-disc and location axle threaded connection, the terminal surface of driving-disc are equipped with T shape circular slot, poker rod one end is equipped with T shape end, T shape end and T shape circular slot sliding connection, passive mechanism is located the shrink inslot, the other end and the passive mechanism contact of poker rod, when the urgent cut-off gate valve cover that awaits measuring is at the location axle, through rotating the driving-disc, make poker rod drive passive mechanism will await measuring promptly cut off the gate valve and stabilize in the location axle.
Furthermore, the driven mechanism is provided with three groups, the driven mechanism comprises a limiting rod and an elastic part, one end of the limiting rod is rotatably connected with the rotating shaft, the rotating shaft is fixed on the inner side wall of the shrinkage groove, an inner groove is formed in the positioning shaft and communicated with the shrinkage groove, one end of the elastic part is fixedly connected with the side wall of the inner groove, the other end of the elastic part is fixedly connected with the limiting rod, and one end of the poking rod is in contact connection with the other end of the limiting rod.
Further, including stop gear, test table surface's inside is equipped with the inner chamber, the inner chamber is linked together with the test hole, fiber mechanism is located the inner chamber for after the urgent cut-off gate valve that awaits measuring passes through stabilizing mean stability, the port that will await measuring urgent cut-off gate valve is fixed.
Furthermore, the limiting mechanism comprises a cylinder, a driving rod, a gear, a linkage wheel and a driven rod, the cylinder is fixed in the testing table surface, the output shaft of the cylinder is fixedly connected with one end of the driving rod, the driving rod is connected with the inner cavity in a sliding way, two symmetrical side surfaces of the driving rod are provided with straight racks, two sides of the driving rod are symmetrically provided with the gears, the gear shaft of the gear is fixed on the side wall of the inner cavity, the gear is meshed with the spur rack, the linkage wheel is meshed with the gear, the linkage wheel is fan-shaped, the center of the circle of the linkage wheel is provided with a linkage shaft, the linkage shaft is fixed on the side wall of the inner cavity, one end of the passive rod is fixed on the linkage wheel, the other end of the passive rod and the other end of the driving rod are both provided with limit ends, after the cylinder is started, the limiting end head of the driven rod and the limiting end head of the driving rod simultaneously clamp and fix the port of the emergency cut-off gate valve to be detected.
Furthermore, the end face of the limiting end head facing the test hole is arc-shaped, and the end face is provided with a plurality of rollers capable of rotating along the horizontal plane of the test hole.
Furthermore, a probe of the dial indicator is in signal connection with the terminal equipment.
Further, the terminal device includes, but is not limited to, a mobile phone or a computer.
The invention has the beneficial effects that: when the port flatness detection device of the emergency cut-off gate valve is used, after the emergency cut-off gate valve to be detected is stabilized by the stabilizing part during working, the first motor is started and drives the emergency cut-off gate valve to be detected to rotate, and the detecting head of the dial indicator is always in contact with the port of the emergency cut-off gate valve to be detected in the rotating process, so that the flatness of the port can be detected.
Drawings
FIG. 1 is a cross-sectional view of a base in an embodiment of the present invention;
FIG. 2 is a side partial cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view of the positioning shaft of FIG. 2;
FIG. 4 is a schematic structural diagram of a spindle according to an embodiment of the present invention;
FIG. 5 is a bottom view of a base in accordance with an embodiment of the present invention;
figure 6 is a partial side view of a base in an embodiment of the invention.
The device comprises a test table board 1, a test table board 2, an inner cavity 3, a test hole 4, an air cylinder 5, a drive rod 6, a gear 7, a linkage wheel 8, a driven rod 9, a roller wheel 10, a positioning shaft 11, a first motor 12, a support 13, a limit end 13, a drive disk 14, a contraction groove 15, a poke rod 16, a T-shaped circular groove 17, a limit rod 18, an inner groove 19, an elastic part 20, a rotating rod 21, a second motor 22 and a dial indicator 23.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
In view of the above, the first aspect of the present invention provides an embodiment of a port flatness detecting apparatus for an emergency cutoff gate valve, as shown in fig. 1, including a testing table 1, a first motor 11, a bracket 12, a dial indicator 23 and a stabilizing part, wherein an end of the testing table 1 is provided with a testing hole 3, the bracket 12 is fixed on the testing table 1, the first motor 11 is fixed on the bracket 12 and is located right above the testing hole 3, an output shaft of the first motor 11 is in power connection with the stabilizing part, and the dial indicator 23 is located at a bottom end face of the testing table 1; during operation, the testing emergency cut-off gate valve penetrates through the testing hole 3 from the bottom of the testing table board 1 and is stabilized under the action of the stabilizing portion, then the first motor 11 is started and drives the emergency cut-off gate valve to rotate, in the rotating process, a detecting head of the dial indicator 23 is always in contact with a port of the emergency cut-off gate valve to be tested, and therefore the flatness of the port of the emergency cut-off gate valve can be detected.
As another embodiment of the present invention, in the above embodiment, as shown in fig. 5, the testing device includes a rotating portion, the rotating portion is located at the edge of the testing hole 3 on the bottom end surface of the testing table 1, and the rotating portion is fixedly connected to the dial indicator 23; the probe of the dial indicator 23 does not extend into the test hole 3, so that the dial indicator 23 can be driven by the rotating part to be far away from the test hole 3; meanwhile, during testing, the rotating part can drive the dial indicator 23 to move within the range of the port of the emergency cut-off gate valve. Preferably, as shown in fig. 6, the rotating portion includes a rotating rod 21 and a second motor 22, the second motor 22 is fixed on the bottom end surface of the testing table top 1, an output shaft of the second motor 22 is connected with one end key of the rotating rod 21, and the dial indicator 23 is fixed on the other end of the rotating rod 21.
Before detection, the dial indicator 23 is not positioned in the direction of the test hole 3 by the second motor 22, so that an operator can conveniently stabilize the emergency cut-off gate valve to be detected on a stable part through the test hole, during detection, the probe of the dial indicator 23 is contacted with the end face of the port of the emergency cut-off gate valve to be detected through the rotation of the second motor 22, after the contact, the first motor 11 is started to drive the emergency cut-off gate valve to be detected to rotate, in the rotating process, the dial indicator 23 rotates along with the dial indicator to detect the flatness of the port of the emergency cutoff gate valve to be detected, after the emergency cut-off gate valve to be tested rotates for one circle, the second motor 22 is started, the probe of the dial indicator 23 is moved to contact with the other position of the end face of the port of the emergency cut-off gate valve to be tested through the rotating rod 21, then, the detection is carried out, and the operations are repeated, so that the flatness of each position of the port can be detected, the detection range is expanded, and the detection result is more accurate.
As another embodiment of the present invention, in the above embodiment, as shown in fig. 2 and fig. 3, the stabilizing portion includes a positioning shaft 10, a driving disc 14, a poking rod 16 and at least three sets of passive mechanisms, an output shaft of the first motor 11 is connected with the positioning shaft 10 through a coupler, a side surface of the positioning shaft 10 is provided with a shrinking slot 15 corresponding to the passive mechanism, the driving disc 14 is in threaded connection with the positioning shaft 10, an end surface of the driving disc 14 is provided with a T-shaped circular slot 17, one end of the poking rod 16 is provided with a T-shaped end, the T-shaped end is in sliding connection with the T-shaped circular slot 17, the passive mechanism is located in the shrinking slot 15, the other end of the poking rod 16 is in contact with the passive mechanism, when the emergency cut-off gate valve to be tested is sleeved on the positioning shaft 10, the poking rod 16 drives the passive mechanism to stabilize the emergency cut-off gate, the driven mechanism is provided with three groups and used for stabilizing the emergency cut-off gate valve to be tested, the driven mechanism comprises a limiting rod 18 and an elastic part 20, one end of the limiting rod 18 is rotatably connected with a rotating shaft, the rotating shaft is fixed on the inner side wall of the shrinkage groove 15, an inner groove 19 is formed in the positioning shaft 10, the inner groove 19 is communicated with the shrinkage groove 15, one end of the elastic part 20 is fixedly connected with the side wall of the inner groove 19, the other end of the elastic part 20 is fixedly connected with the limiting rod 18, and one end part of the poking rod 16 is in contact connection with the other end of the limiting.
In the process of stabilizing the emergency cut-off gate valve to be tested by the stabilizing part, firstly, the emergency cut-off gate valve to be tested penetrates through the test hole 3 and is sleeved on the positioning shaft 10, then the driving disc 14 is rotated to move towards the test hole 2, in the moving process of the driving disc 14, the limiting rod 18 is gradually separated from the limiting groove 15 by overcoming the elasticity of the elastic part 20 through the poke rod 16, after the limiting rod 18 is separated from the limiting groove 15, the limiting rod 18 is contacted with the side wall of the inner hole of the emergency cut-off gate valve to be tested, and the pressure of the limiting rod 18 and the side wall of the inner hole of the emergency cut-off gate valve to be tested is increased along with the continuous movement of the driving disc 14, so that the emergency cut.
As another embodiment of the present invention, in any of the above embodiments, as shown in fig. 1, the present invention includes a limiting mechanism, an inner cavity 2 is disposed inside the testing table 1, the inner cavity 2 is communicated with the testing hole 1, and the fiber mechanism is located in the inner cavity 2 and is used for fixing a port of the emergency cutoff gate valve to be tested after the emergency cutoff gate valve to be tested is stabilized by the stabilizing mechanism. Preferably, the limiting mechanism comprises a cylinder 4, a driving rod 5, a gear 6, a linkage wheel 7 and a driven rod 8, the cylinder 4 is fixed inside the test table top 1, an output shaft of the cylinder 4 is fixedly connected with one end of the driving rod 5, the driving rod 5 is slidably connected with the inner cavity 2, two symmetrical side surfaces of the driving rod 5 are provided with straight racks, two sides of the driving rod 5 are symmetrically provided with the gear 6, a gear shaft of the gear 6 is fixed on the side wall of the inner cavity 2, the gear 6 is meshed with the straight racks, the linkage wheel 7 is meshed with the gear 6, the linkage wheel 7 is fan-shaped, a linkage shaft is arranged at the circle center position of the linkage wheel 7 and fixed on the side wall of the inner cavity 2, one end of the driven rod 8 is fixed on the linkage wheel 7, and the other, after the cylinder 4 is started, the limit end 13 of the driven rod 8 and the limit end 13 of the driving rod 5 simultaneously clamp and fix the port of the emergency cut-off gate valve to be tested.
In this embodiment, after the emergency cut-off gate valve that awaits measuring is stable, cylinder 4 starts, promote actuating lever 5 to the direction removal that is close to test hole 3, at actuating lever 5 removal in-process, rotate through drive gear 6 and drive linkage wheel 7 and also rotate, when linkage wheel 7 rotates, the tip of driven rod 8 also removes to test hole 3 direction to it is fixed to clamp the port of the emergency cut-off gate valve that awaits measuring under the effect of driven rod 8's spacing end 13 and the spacing end 13 of actuating lever 5 finally, can guarantee like this to survey the port of emergency cut-off gate valve and do not receive the influence of device vibration, guarantee the accuracy of test. In addition, the end face, facing the test hole 3, of the limiting end 13 is arc-shaped, the contact area of the limiting end and the port of the emergency cut-off gate valve to be tested is increased, and the end face is provided with a plurality of rollers 9 capable of rotating along the horizontal plane of the test hole 3, so that the emergency cut-off gate valve to be tested is smoother when rotating.
As another embodiment of the present invention, in any of the above embodiments, the probe of the dial indicator 23 is in signal connection with the terminal device. The terminal equipment includes but is not limited to a mobile phone or a computer. The equipment is more intelligent, the value detected by the probe of the dial indicator 23 can be recorded in time through the terminal equipment, and whether the flatness is qualified or not is judged automatically after the detection is finished.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides a port plane degree detection device of emergency cut-off gate valve which characterized in that: the testing device comprises a testing table board (1), a first motor (11), a support (12), a dial indicator (23) and a stabilizing part, wherein a testing hole (3) is formed in the end part of the testing table board (1), the support (12) is fixed on the testing table board (1), the first motor (11) is fixed on the support (12) and is positioned right above the testing hole (3), an output shaft of the first motor (11) is in power connection with the stabilizing part, and the dial indicator (23) is positioned on the bottom end face of the testing table board (1); after the stabilizing part stabilizes the emergency cut-off gate valve to be detected, the first motor (11) drives the emergency cut-off gate valve to be detected to rotate, and in the rotating process, a detecting head of the dial indicator (23) is always in contact with a port of the emergency cut-off gate valve to be detected, so that the flatness of the port of the emergency cut-off gate valve to be detected is detected;
the testing device comprises a rotating part, wherein the rotating part is positioned at the edge of a testing hole (3) on the bottom end face of a testing table top (1), and is fixedly connected with a dial indicator (23); the probe of the dial indicator (23) does not extend into the test hole (3), so that the dial indicator (23) can be driven by the rotating part to be far away from the test hole (3); meanwhile, during testing, the rotating part can drive the dial indicator (23) to move within the range of the port of the emergency cut-off gate valve;
the rotating part comprises a rotating rod (21) and a second motor (22), the second motor (22) is fixed on the bottom end face of the test table top (1), an output shaft of the second motor (22) is connected with one end key of the rotating rod (21), and the dial indicator (23) is fixed at the other end of the rotating rod (21);
the stabilizing part comprises a positioning shaft (10), a driving disc (14), a poke rod (16) and at least three groups of driven mechanisms, the output shaft of the first motor (11) is connected with the positioning shaft (10) through a coupling, the side surface of the positioning shaft (10) is provided with a contraction groove (15) corresponding to the driven mechanism, the driving disc (14) is in threaded connection with the positioning shaft (10), a T-shaped circular groove (17) is arranged on the end surface of the driving disc (14), one end of the poke rod (16) is provided with a T-shaped end which is connected with the T-shaped circular groove (17) in a sliding way, the driven mechanism is positioned in the contraction groove (15), the other end of the poke rod (16) is contacted with the driven mechanism, when the emergency cut-off gate valve to be tested is sleeved on the positioning shaft (10), the poke rod (16) drives the driven mechanism to stabilize the emergency cut-off gate valve to be tested on the positioning shaft (10) by rotating the driving disk (14).
2. The port flatness detecting apparatus of an emergency cutoff gate valve according to claim 1, wherein: the driven mechanism is provided with three groups, the driven mechanism comprises a limiting rod (18) and an elastic part (20), one end of the limiting rod (18) is rotatably connected with the rotating shaft, the rotating shaft is fixed on the inner side wall of the shrinkage groove (15), an inner groove (19) is arranged inside the positioning shaft (10), the inner groove (19) is communicated with the shrinkage groove (15), one end of the elastic part (20) is fixedly connected with the side wall of the inner groove (19), the other end of the elastic part (20) is fixedly connected with the limiting rod (18), and one end of the poking rod (16) is in contact connection with the other end of the limiting rod (18).
3. The port flatness detecting apparatus of an emergency cutoff gate valve according to claim 1, wherein: including stop gear, the inside of test table face (1) is equipped with inner chamber (2), inner chamber (2) are linked together with test hole (1), stop gear is located inner chamber (2) for after the emergency cut-off gate valve that awaits measuring passes through stabilizing mean stability, the port that will await measuring the emergency cut-off gate valve is fixed.
4. The port flatness detecting apparatus of an emergency cutoff gate valve according to claim 3, wherein: the limiting mechanism comprises a cylinder (4), a driving rod (5), a gear (6), a linkage wheel (7) and a driven rod (8), the cylinder (4) is fixed in the testing table board (1), the output shaft of the cylinder (4) is fixedly connected with one end of the driving rod (5), the driving rod (5) is slidably connected with an inner cavity (2), two symmetrical side surfaces of the driving rod (5) are provided with straight racks, two side surfaces of the driving rod (5) are symmetrically provided with the gear (6), a gear shaft of the gear (6) is fixed on the side wall of the inner cavity (2), the gear (6) is meshed with the straight racks, the linkage wheel (7) is meshed with the gear (6), the linkage wheel (7) is fan-shaped, a linkage shaft is arranged at the circle center position of the linkage wheel (7), the linkage shaft is fixed on the side wall of the inner cavity (2), one end of the driven rod (8) is fixed on the linkage wheel, the other end of the passive rod (8) and the other end of the driving rod (5) are both provided with limiting end heads (13), and after the cylinder (4) is started, the limiting end heads (13) of the passive rod (8) and the limiting end heads (13) of the driving rod (5) clamp and fix the port of the emergency cut-off gate valve to be tested.
5. The port flatness detecting apparatus of an emergency cutoff gate valve according to claim 4, wherein: the end face, facing the test hole (3), of the limiting end head (13) is arc-shaped, and the end face is provided with a plurality of rollers (9) capable of rotating along the horizontal plane of the test hole (3).
6. The port flatness detecting apparatus of an emergency cutoff gate valve according to claim 1, wherein: and a probe of the dial indicator (23) is in signal connection with the terminal equipment.
7. The port flatness detecting apparatus of an emergency cutoff gate valve according to claim 6, wherein: the terminal equipment includes but is not limited to a mobile phone or a computer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543849.6A CN110260768B (en) | 2019-06-21 | 2019-06-21 | Port flatness detection device of emergency cutoff gate valve |
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|---|---|---|---|
| CN201910543849.6A CN110260768B (en) | 2019-06-21 | 2019-06-21 | Port flatness detection device of emergency cutoff gate valve |
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| CN110260768A CN110260768A (en) | 2019-09-20 |
| CN110260768B true CN110260768B (en) | 2020-12-04 |
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| CN110726349A (en) * | 2019-09-24 | 2020-01-24 | 安徽铜都流体科技股份有限公司 | Soft seal gate valve inner cavity shape and position size detection jig and application |
| CN111272050B (en) * | 2020-03-18 | 2020-12-11 | 新沂市锡沂高新材料产业技术研究院有限公司 | Pottery deformability test machine |
| CN113945144B (en) * | 2021-10-13 | 2024-03-26 | 常熟市电热合金材料厂有限公司 | Inspection device for processing high-resistance electrothermal alloy wire |
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| CN110260768A (en) | 2019-09-20 |
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