CN114353912A - Gas table core structure convenient to calibration is adjusted - Google Patents
Gas table core structure convenient to calibration is adjusted Download PDFInfo
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- CN114353912A CN114353912A CN202111664401.3A CN202111664401A CN114353912A CN 114353912 A CN114353912 A CN 114353912A CN 202111664401 A CN202111664401 A CN 202111664401A CN 114353912 A CN114353912 A CN 114353912A
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Abstract
The invention relates to the technical field of metering devices, in particular to a gas meter movement structure convenient for calibration and adjustment, which comprises a rocker arm connecting rod mechanism; the rocker link mechanism includes: a rocker arm and a connecting rod; a length adjusting mechanism is arranged between the rocker arm and the connecting rod and used for adjusting the length of the rocker arm or the connecting rod. The length adjusting mechanism has two setting modes, one is disc adjustment and the other is sliding groove adjustment. This scheme can the quick calibration regulating error, improves calibration regulation efficiency.
Description
Technical Field
The invention relates to the technical field of metering devices, in particular to a gas meter movement structure convenient to calibrate and adjust.
Background
The gas meter is used for counting the gas consumption, and the gas meter is widely used because gas energy such as natural gas and coal gas becomes the energy commonly used in daily life.
The working principle of the gas meter is that the pressure difference of gas in the flowing process of the gas meter is used as power, the distribution of the gas flow direction is controlled by the relative position of a valve seat and a valve cover, a diaphragm capsule in the gas meter consists of two identical gas measuring chambers on the left and the right, and each gas measuring chamber is divided into two identical small measuring chambers by a flexible diaphragm; the gas that distributes gets into four little metering chambers in proper order, promote the motion of diaphragm subassembly, the motion of diaphragm subassembly drives rocking arm link mechanism motion, specifically, the motion of diaphragm subassembly drives the rocking arm and rotates, and then drives the connecting rod motion, the connecting rod drives the crank rotation, the crank drives the valve gap rotation, thereby control each little metering chamber and aerify in proper order and exhaust, the crank drives the third wheel and rotates, and then drives the thumb wheel and rotate, counting assembly is connected to the thumb wheel, the thumb wheel rotates and drives counting assembly and count, thereby accomplish the gas and use the measurement work.
According to the principle, the gas meter is matched with internal parts to complete the metering work, and the accuracy of the metering work is affected due to certain errors of the internal parts of the gas meter during working. The traditional adjusting mode is to change the transmission ratio among a crank, a third wheel and a thumb wheel or replace rocker arm connecting rod mechanisms with different lengths, so that the corresponding variable quantity of the diaphragm expansion counting device is obtained. The change of the transmission ratio among the crank, the intermediate wheel and the thumb wheel requires the replacement of the corresponding crank, the intermediate wheel and the thumb wheel and the replacement of the rocker arm connecting rod mechanisms with different lengths, which are very complicated in the actual operation process and seriously affect the calibration and adjustment efficiency.
Disclosure of Invention
The invention aims to provide a gas meter movement structure convenient for calibration and adjustment, which can quickly calibrate and adjust errors and improve calibration and adjustment efficiency.
The present invention provides the following basic scheme: the gas meter movement structure convenient for calibration and adjustment comprises a rocker arm connecting rod mechanism;
the rocker link mechanism includes: a rocker arm and a connecting rod; a length adjusting mechanism is arranged between the rocker arm and the connecting rod and used for adjusting the length of the rocker arm or the connecting rod.
The beneficial effects of the basic scheme are as follows: the rocker arm is connected with the connecting rod to form a rocker arm connecting rod mechanism, and when the metering work is carried out, the motion of the diaphragm assembly drives the rocker arm connecting rod mechanism to move; if in the measurement work, the discovery gas table has the error, then can be through the length adjustment mechanism that is equipped with between rocking arm and the connecting rod, adjust the length of rocking arm or connecting rod, need not to change any device, the length change of rocking arm or connecting rod to quick calibration error improves calibration regulation efficiency.
Further, the length adjustment mechanism includes: a first mounting hole and a rotary disc are arranged between the rocker arm and the connecting rod; the disc is provided with a first mounting rod matched with the first mounting hole for use, the first mounting rod is eccentrically arranged, and a first limiting block is arranged on the circumference of the disc; still be equipped with the first recess that uses with the cooperation of first stopper between rocking arm and the connecting rod, be equipped with the fastener in the first recess for the first stopper of joint.
Has the advantages that: the clamping piece is inserted into the first groove and clamped with a first limiting block on the disc, the disc cannot rotate randomly, and the connection stability of a subsequent rocker arm and a connecting rod is prevented from being influenced; then the first mounting rod is clamped into the first mounting hole, so that the rocker arm and the connecting rod are connected to form a rocker arm and connecting rod mechanism, and the movement of the diaphragm assembly drives the rocker arm and connecting rod mechanism to move when the metering work is carried out;
if errors exist in the gas meter during metering work, the clamping piece can be taken down after the rocker arm connecting rod mechanism is disassembled, the disc is rotated to adjust the position of the first mounting rod to an appropriate position, the clamping piece is clamped with the corresponding first limiting block, the first limiting block can be uniformly arranged around the disc, the radian is converted into a corresponding angle, the angle is converted into a corresponding length, and the first limiting block plays a role of a scale mark; after the position of adjusting first installation pole, in going into first mounting hole with first installation pole card, the length change of rocking arm and link to quick calibration error improves calibration regulation efficiency.
Further, the disc is arranged at one end of the rocker arm connected with the connecting rod and is rotationally connected with the rocker arm; the first groove is arranged on the rocker arm and corresponds to the position of the first limiting block, and the first mounting hole is formed in one end, connected with the rocker arm, of the connecting rod.
Has the advantages that: the disc sets up in the one end that rocking arm and connecting rod are connected, when carrying out error calibration, adjusts the length of rocking arm, makes diaphragm not be full of or the overfill just makes the rocking arm drive the connecting rod and rotate a week in the diaphragm subassembly.
Further, the disc is arranged at one end of the connecting rod connected with the rocker arm and is rotationally connected with the connecting rod; the first groove is arranged on the connecting rod and corresponds to the position of the first limiting block, and the first mounting hole is formed in one end, connected with the connecting rod, of the rocker arm.
Has the advantages that: the disc sets up in the one end that connecting rod and rocking arm are connected, when carrying out the error calibration, adjusts the length of connecting rod, makes diaphragm not be full of or the overfill just makes the rocking arm drive the connecting rod and rotate a week in the diaphragm subassembly.
Further, the first mounting holes comprise a plurality of second mounting holes, and the second mounting holes are used for mounting the first mounting rods.
Has the advantages that: the first mounting hole comprises a plurality of second mounting holes, so that the length of the connecting rod or the rocker arm can be further adjusted.
Further, the gas meter movement structure further comprises a crank and a valve cover;
the valve cover is provided with a second groove;
the crank comprises a second mounting rod, a rotary disc, a gear and a clamping block;
the turntable and the gear are coaxially arranged, a second mounting rod is arranged on the top surface of the turntable, and the second mounting rod is eccentrically arranged; the bottom surface of the gear is provided with a plurality of third grooves, the first clamping block is clamped in the third grooves, and the other end of the first clamping block is clamped in the second grooves;
and a third mounting hole is formed in one end, far away from the rocker arm, of the connecting rod.
Has the advantages that: the fixture block is inserted into different third grooves, so that the size of an included angle formed by a connecting line of the circle center of the second mounting rod and the circle center of the rotary table and a connecting line of the fixture block and the circle center of the rotary table is adjusted, and error calibration is further performed.
Further, the third mounting holes comprise a plurality of fourth mounting holes, and the fourth mounting holes are used for mounting the second mounting rods.
Has the advantages that: the third mounting hole comprises a plurality of fourth mounting holes, so that the length of the connecting rod can be further adjusted.
Further, the length adjustment mechanism includes: the sliding groove and the fifth mounting hole; a third mounting rod matched with the fifth mounting hole is arranged in the sliding groove; if the sliding groove is arranged on the rocker arm, the fifth mounting hole is arranged on the connecting rod; if the sliding groove is arranged on the connecting rod, the fifth mounting hole is arranged on the rocker arm;
the inner side wall of the sliding chute is provided with a plurality of limiting mechanisms; stop gear includes: the electromagnet and the spring are sequentially arranged in the fourth groove from the bottom to the notch of the fourth groove; one end of the spring is fixedly connected with the electromagnet, and the other end of the spring is fixedly connected with a second limiting block; the top surface of one end of the second limiting block, which is not connected with the spring, is an inclined surface; a fifth groove is formed in the side wall, opposite to the fourth groove, in the sliding groove; the inclined plane of the second limiting block is pushed into the fifth groove by the elastic force of the spring.
Has the advantages that: a plurality of limiting mechanisms can be uniformly arranged, so that the limiting mechanisms have the function of calibration during adjustment; the inclined plane of the second limiting block is pushed into the fifth groove by the elastic force of the spring, so that the second limiting blocks are arranged at the two ends of the third mounting rod to limit the third mounting rod to slide in the sliding groove, and the third mounting rod is fixed in the sliding groove; when the length of the rocker arm or the connecting rod needs to be changed, the electromagnet is electrified: the second limiting block is withdrawn into the fourth groove, so that the third mounting rod can slide in the fourth groove after being not limited, the electromagnet is powered off after being adjusted to a proper position, the second limiting block resets to complete adjustment, the length of the rocker arm or the connecting rod is adjusted, errors are quickly calibrated, and the calibration and adjustment efficiency is improved.
Further, the length adjustment mechanism further includes: the controller is used for controlling the electromagnet to be opened and closed and controlling the magnetic force of the electromagnet;
if the gas meter movement structure detects that the metering has errors, adjusting the length of the rocker arm or the connecting rod through a controller according to the errors;
if the error is that the volume of the gas detected by the gas meter movement structure in unit time is larger than the volume of the standard gas, the controller controls the electromagnet in the limiting mechanism on the side surface of the third mounting rod close to the end, connected with the connecting rod, of the rocker arm to start, adjusts the magnetic force of the corresponding electromagnet to increase, the third mounting column slides towards the end close to the end, connected with the connecting rod, of the rocker arm to the corresponding position of the electromagnet with the maximum magnetic force, and the controller controls the electromagnet to start and close, so that the length of the rocker arm or the connecting rod is increased;
if the error is that the gas volume detected by the gas meter movement structure in unit time is smaller than the volume of standard gas, the controller controls the electromagnet in the limiting mechanism of the third mounting rod far away from the side face of the end, connected with the connecting rod, of the rocker arm to be started, adjusts the magnetic force of the corresponding electromagnet to be increased, the third mounting column slides towards the end, connected with the connecting rod, far away from the rocker arm to slide to the corresponding position of the electromagnet with the maximum magnetic force, and the controller controls the electromagnet to be started and closed, so that the length of the rocker arm or the connecting rod is shortened.
Has the advantages that: the electromagnet in the limiting mechanism at different positions is controlled by the controller to be started, and the magnetic force of the limiting mechanism is controlled to be large or small, so that the sliding direction and the sliding distance of the third installation rod in the sliding groove are controlled, the length of the rocker arm or the connecting rod is controlled, the controller can be remotely controlled, error calibration can be carried out before the third installation rod leaves a factory, after the third installation rod leaves the factory, even after the third installation rod is used for many years, the length of the rocker arm or the connecting rod can be adjusted without opening the shell.
Further, ventilating the core structure of the gas meter;
detecting the number of rotation turns of the connecting rod in a preset time period;
acquiring the volume of gas detected by the gas meter core structure in a preset time period according to the number of turns of rotation;
acquiring the volume of standard gas in a preset time period;
judging the difference value between the volume of the gas and the volume of the standard gas, and if the difference value belongs to a preset difference value range, detecting the measurement error-free through the core structure of the gas meter; if the difference value does not belong to the preset difference value range, detecting that metering has errors by the gas meter core structure, judging the volume of gas and the volume of standard gas, and if the volume of gas is larger than the volume of standard gas, adjusting a rocker arm or a connecting rod to increase the volume of gas; if the volume of the fuel gas is larger than that of the standard fuel gas, the rocker arm or the connecting rod is adjusted to shorten the volume.
Has the advantages that: the method comprises the steps that error calibration is needed before any gas meter core structure leaves a factory, so that the gas meter core structure is detected in the steps, after an error is detected, whether actual measurement is smaller or larger can be judged, and if the actual measurement is smaller, a rocker arm or a connecting rod is adjusted to shorten the actual measurement; if the diaphragm is larger than the preset range, the rocker arm or the connecting rod is adjusted to be lengthened, so that the diaphragm reaches an over-filling state, and the rocker arm and connecting rod mechanism rotates for a circle; if the volume of the fuel gas is larger than that of the standard fuel gas, the rocker arm or the connecting rod is adjusted to be shortened, so that the diaphragm does not reach a full filling state, and the rocker arm and connecting rod mechanism rotates for a circle.
Drawings
Fig. 1 is a top view of a gas meter movement structure embodiment i convenient for calibration and adjustment according to the present invention;
fig. 2 is a partial schematic view of a crank in a gas meter movement structure embodiment convenient for calibration and adjustment according to the present invention;
FIG. 3 is a front view of a first embodiment of a gas meter movement structure convenient for calibration and adjustment according to the present invention;
FIG. 4 is a sectional view of a rocker arm in a third embodiment of the gas meter movement structure convenient for calibration and adjustment according to the present invention;
fig. 5 is a vertical sectional view of a rocker arm in a gas meter movement structure embodiment convenient for calibration and adjustment.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the valve cover 1, the crank 2, the rocker arm 3, the connecting rod 4, the disc 5, the first mounting rod 6, the first limiting block 7, the clamping piece 8, the second mounting hole 9, the second groove 10, the second mounting rod 11, the rotary disc 12, the gear 13, the clamping block 14, the fourth mounting hole 15, the diaphragm box 16, the diaphragm 17, the third wheel 18, the dial wheel 19, the sliding groove 20, the third mounting rod 21, the fourth groove 22, the electromagnet 23, the spring 24, the second limiting block 25 and the fifth groove 26.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
This embodiment is substantially as shown in figure 1: the gas meter movement structure convenient for calibration and adjustment comprises a rocker arm connecting rod mechanism, a valve cover 1 and a crank 2;
a rocker link mechanism comprising: a rocker arm 3 and a connecting rod 4; a length adjusting mechanism is arranged between the rocker arm 3 and the connecting rod 4 and is used for adjusting the length of the rocker arm 3 or the connecting rod 4;
the length adjustment mechanism includes: a first mounting hole and a rotating disc 5 are arranged between the rocker arm 3 and the connecting rod 4, a first mounting rod 6 matched with the first mounting hole is arranged on the disc 5, the first mounting rod 6 is eccentrically arranged, a first limiting block 7 is arranged on the circumference of the disc 5, and a plurality of first limiting blocks 7 are uniformly arranged on the circumference of the disc 5; a first groove matched with the first limiting block 7 for use is further formed between the rocker arm 3 and the connecting rod 4, and a clamping piece 8 is arranged in the first groove and used for clamping the first limiting block 7; specifically, the disc 5 is arranged at one end of the rocker arm 3 connected with the connecting rod 4 and is rotationally connected with the rocker arm 3; the first groove is arranged on the rocker arm 3 at a position corresponding to the first limiting block 7, and the first mounting hole is formed in one end, connected with the rocker arm 3, of the connecting rod 4; the first mounting holes comprise a plurality of second mounting holes 9, the second mounting holes 9 are used for mounting the first mounting rods 6, in the embodiment, three second mounting holes 9 are uniformly arranged, and the number and the positions of the second mounting holes 9 can be set according to actual requirements;
the valve cover 1 is provided with a second groove 10;
the crank 2 comprises a second mounting rod 11, a rotary disc 12, a gear 13 and a clamping block 14; the rotary table 12 and the gear 13 are coaxially arranged and integrally formed, the top surface of the rotary table 12 is provided with a second mounting rod 11, and the second mounting rod 11 is eccentrically arranged; as shown in fig. 2, a plurality of third grooves are formed in the bottom surface of the gear 13, a first clamping block 14 is clamped in the third grooves, and the other end of the first clamping block is clamped in the second groove 10; the fixture block 14 is inserted into different third grooves, so that the size of an included angle formed by a connecting line of the circle center of the second mounting rod 11 and the circle center of the rotary disc 12 and a connecting line of the fixture block 14 and the circle center of the rotary disc 12 is adjusted.
A third mounting hole is formed in one end, far away from the rocker arm 3, of the connecting rod 4;
the third mounting hole includes a plurality of fourth mounting holes 15, and fourth mounting hole 15 is used for installing second installation pole 11, is two align to grid's fourth mounting hole 15 in this embodiment, and the quantity and the position of fourth mounting hole 15 can set up according to actual demand.
The specific steps for carrying out error detection on the movement structure of the fuel gauge are as follows:
the core structure of the gas meter is ventilated,
detecting the number of rotation turns of the connecting rod 4 in a preset time period by adopting a photoelectric sampler; when the rocker arm connecting rod mechanism rotates, the light emitted by the photoelectric sampler can be shielded, so that the number of rotating circles of the rocker arm connecting rod mechanism can be accurately collected;
acquiring the volume of gas detected by the gas meter core structure in a preset time period according to the number of turns of rotation;
acquiring the volume of standard gas in a preset time period;
judging the difference value between the volume of the gas and the volume of the standard gas, and if the difference value belongs to a preset difference value range, detecting the measurement error-free through the core structure of the gas meter; if the difference value does not belong to the preset difference value range, detecting that metering has errors by the gas meter core structure, judging the volume of gas and the volume of standard gas, if the volume of gas is larger than the volume of standard gas, adjusting the rocker arm 3 to increase the rocker arm, enabling the diaphragm 17 to reach an over-filling state, and enabling the rocker arm connecting rod mechanism to rotate for a circle; if the volume of the fuel gas is larger than that of the standard fuel gas, the rocker arm 3 is adjusted to be shortened, the diaphragm 17 does not reach a full filling state, and the rocker arm connecting rod mechanism rotates for a circle.
As shown in fig. 3, other parts in the gas meter movement structure are conventional parts, the arrangement mode belongs to the prior art, the working principle of the gas meter is that the pressure difference of gas in the flowing process of the gas meter is used as power, the distribution of the gas flow direction is controlled by the relative position of a valve seat and a valve cover 1, a diaphragm capsule 16 in the gas meter is composed of two gas measuring chambers which are the same left and right, and each gas measuring chamber is divided into two same small measuring chambers by a flexible diaphragm 17; when the distributed gas gets into four little metering chambers in proper order, promote the motion of diaphragm 17 subassembly, the motion of diaphragm 17 subassembly drives rocking arm link mechanism motion, specifically, the motion of diaphragm 17 subassembly drives rocking arm 3 and rotates, and then drive connecting rod 4 motion, connecting rod 4 drives crank 2 rotatory, crank 2 drives valve gap 1 rotatory, thereby control each little metering chamber and aerify and exhaust in proper order, crank 2 drives third wheel 18 and rotates, and then drive thumb wheel 19 and rotate, thumb wheel 19 connects counting assembly, thumb wheel 19 rotates and drives counting assembly and count, thereby accomplish the gas and use the measurement work.
The specific implementation process is as follows: firstly, the clamping piece 8 is inserted into the first groove and clamped on a first limiting block 7 on the disc 5, the disc 5 cannot rotate randomly, and the stability of the connection of the subsequent rocker arm 3 and the connecting rod 4 is influenced; then, the first mounting rod 6 is clamped into the first mounting hole, so that the rocker arm 3 and the connecting rod 4 are connected to form a rocker arm-connecting rod mechanism, and the movement of the diaphragm 17 component drives the rocker arm-connecting rod mechanism to move when the metering work is carried out;
the gas meter movement structure is subjected to error detection, if an error exists, the clamping piece 8 can be taken down after the rocker arm link mechanism is disassembled, the disc 5 is rotated to adjust the position of the first mounting rod 6 to an appropriate position, the clamping piece 8 is clamped with the corresponding first limiting block 7, the first limiting block 7 can be uniformly arranged around the disc 5, the radian is converted into a corresponding angle, the angle is converted into a corresponding length, and the first limiting block 7 plays a role of a scale mark; after the position of first installation pole 6 is adjusted, in first installation pole 6 card income first mounting hole, the length change of rocking arm 3 and connecting rod 4 to quick calibration error improves calibration regulation efficiency.
Example two
This embodiment is substantially the same as the above embodiment except that: the disc 5 is arranged at one end of the connecting rod 4 connected with the rocker arm 3 and is rotationally connected with the connecting rod 4; the first groove is arranged on the connecting rod 4 at a position corresponding to the first limiting block 7, and the first mounting hole is arranged at one end of the rocker arm 3 connected with the connecting rod 4, so that the length of the connecting rod 4 is adjusted during calibration.
EXAMPLE III
This embodiment is substantially as shown in figure 4: the gas meter movement structure convenient for calibration and adjustment comprises a rocker arm connecting rod mechanism; a length adjusting mechanism is arranged between the rocker arm 3 and the connecting rod 4 and is used for adjusting the length of the rocker arm 3 or the connecting rod 4;
a length adjustment mechanism comprising: the chute 20, a fifth mounting hole and a controller; as shown in fig. 5, a third mounting rod 21 is disposed in the sliding groove 20 and used in cooperation with the fifth mounting hole; if the chute 20 is arranged on the rocker arm 3, the fifth mounting hole is arranged on the connecting rod 4; if the chute 20 is arranged on the connecting rod 4, the fifth mounting hole is arranged on the rocker arm 3; in the embodiment, the chute 20 is arranged on the rocker arm 3, and the fifth mounting hole is arranged on the connecting rod 4; the third mounting rod 21 can slide in the sliding groove 20, so as to drive the connecting rod 4 to move, and in the daily rotating process, if the third mounting rod 21 is not fixed, the connecting rod 4 and the rocker arm 3 can move relatively, so that the third mounting rod 21 slides in the sliding groove 20;
a plurality of limiting mechanisms are arranged on the inner side wall of the sliding groove 20; in the embodiment, the limiting mechanisms are uniform and can play a role in calibration; stop gear includes: a fourth groove 22; an electromagnet 23 and a spring 24 are sequentially arranged in the fourth groove 22 from the bottom to the notch of the fourth groove 22; one end of the spring 24 is fixedly connected with the electromagnet 23, and the other end of the spring is fixedly connected with a second limiting block 25; the top surface of the end of the second limiting block 25, which is not connected with the spring 24, is an inclined surface, and the inclined surface is inclined towards the end away from the connection position of the rocker arm 3 and the connecting rod 4 in the embodiment;
a fifth groove 26 is formed in the side wall of the chute 20 opposite to the fourth groove 22; the elastic force of the spring 24 pushes the inclined surface of the second limiting block 25 into the fifth groove 26, so that the second limiting blocks 25 at the two ends of the third mounting rod 21 limit the third mounting rod 21 to slide in the sliding groove 20, and the third mounting rod 21 is fixed in the sliding groove 20;
when it is desired to change the length of the rocker arm 3, the electromagnet 23 is energized: if the second limiting block 25 is made of metal, the electromagnet 23 is powered on to attract the second limiting block 25, the spring 24 is compressed, and the second limiting block 25 is sucked into the fourth groove 22, so that the third mounting rod 21 can slide in the fourth groove 22 after being not limited, the electromagnet 23 is powered off after being adjusted to a proper position, and the second limiting block 25 is reset to complete adjustment; if the second limiting block 25 is made of metal, the electromagnet 23 is electrified to attract the spring 24, the spring 24 is compressed, and the second limiting block 25 is pulled into the fourth groove 22, so that the third mounting rod 21 can slide in the fourth groove 22 after being not limited, the electromagnet 23 is powered off after being adjusted to a proper position, and the second limiting block 25 is reset to complete adjustment.
The controller is used for controlling the electromagnet 23 to be opened and closed and controlling the magnetic force of the electromagnet 23; the controller controls whether the electromagnet 23 is electrified or not and controls the opening and closing of the electromagnet 23 and the magnetic force by the electrified current;
if the gas meter movement structure detects that the metering has errors, the length of the rocker arm 3 is adjusted through a controller according to the errors; in the embodiment, the method in the first embodiment is adopted to detect whether the gas meter core structure detects that the measurement has errors;
if the error is that the volume of the gas detected by the gas meter movement structure in unit time is larger than the volume of the standard gas, the controller controls the electromagnet 23 in the limiting mechanism of the third mounting rod 21 close to the side face of the end connected with the connecting rod 4 to be started, adjusts the magnetic force of the corresponding electromagnet 23 to be increased, the third mounting column slides towards the end close to the end connected with the connecting rod 4 to the corresponding position of the electromagnet 23 with the maximum magnetic force, and controls the electromagnet 23 to be started and closed, so that the length of the rocker arm 3 is increased;
if the error is that the gas volume detected by the gas meter movement structure in unit time is smaller than the volume of standard gas, the controller controls the electromagnet 23 in the limiting mechanism of the third mounting rod 21 far away from the side face of the end connected with the connecting rod 4 to be started, adjusts the magnetic force of the corresponding electromagnet 23 to be increased, the third mounting column slides to the end far away from the end connected with the connecting rod 4 to the corresponding position of the electromagnet 23 with the maximum magnetic force, and controls the electromagnet 23 to be started and closed, so that the length of the rocker arm 3 is shortened.
For example: as shown in fig. 4, the limiting mechanism is sequentially a limiting mechanism a, a limiting mechanism B, a limiting mechanism C, a limiting mechanism D and a limiting mechanism E from left to right, and the total of five limiting mechanisms;
if the error is that the volume of the gas detected by the gas meter movement structure in unit time is larger than the volume of the standard gas, the controller controls the electromagnets 23 of the limiting mechanism C and the limiting mechanism B to start, and controls the magnetic force of the electromagnet 23 of the limiting mechanism B to be larger; therefore, the third mounting rod 21 slides leftwards to the limiting mechanism B to stop, the controller controls the electromagnets 23 of the limiting mechanism C and the limiting mechanism B to be closed, the third mounting rod 21 is pushed rightwards by the inclined surface of the second limiting block 25 of the limiting mechanism B, the second limiting block 25 of the limiting mechanism C limits the third mounting rod 21 to continue to be pushed rightwards, the second limiting block 25 of the limiting mechanism B is partially inserted into the fifth groove 26, the third mounting rod 21 is limited by the second limiting blocks 25 of the limiting mechanism C and the limiting mechanism B to move, and the length of the rocker arm 3 is increased; it is also desirable that growth can continue to be regulated in the manner described above;
if the error is that the volume of the gas detected by the gas meter movement structure in unit time is smaller than the volume of the standard gas, the controller controls the electromagnet 23 of the limiting mechanism D to be started, the third mounting rod 21 slides rightwards to the limiting mechanism D to stop, the controller controls the electromagnet 23 of the limiting mechanism D to be closed, the inclined plane of the second limiting block 25 of the limiting mechanism D pushes the third mounting rod 21 rightwards, the second limiting block 25 of the limiting mechanism E limits the third mounting rod 21 to continue to push rightwards, the second limiting block 25 of the limiting mechanism D is partially inserted into the fifth groove 26, the limiting mechanism D and the second limiting block 25 of the limiting mechanism E limit the third mounting rod 21 to move, and the length of the rocker arm 3 is shortened; it is also desirable that the shortening can continue to be adjusted in the manner described above. Adopt this embodiment length adjustment mechanism, need not to dismantle any device of replacement gas table inside, all need carry out the error calibration before dispatching from the factory, after dispatching from the factory, even use many years after, need not open the shell and also can carry out the regulation of rocking arm 3 or connecting rod 4's length, a remote communication's module is connected to the controller, wifi module, bluetooth module and infrared ray receiving module etc. for example, long-range error adjustment instruction that sends for the controller makes the controller carry out the error adjustment.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Gas table core structure convenient to calibration regulation, its characterized in that: comprises a rocker arm connecting rod mechanism;
the rocker link mechanism includes: a rocker arm and a connecting rod; a length adjusting mechanism is arranged between the rocker arm and the connecting rod and used for adjusting the length of the rocker arm or the connecting rod.
2. The gas meter movement structure convenient for calibration and adjustment according to claim 1, characterized in that: the length adjustment mechanism includes: a first mounting hole and a rotary disc are arranged between the rocker arm and the connecting rod; the disc is provided with a first mounting rod matched with the first mounting hole for use, the first mounting rod is eccentrically arranged, and a first limiting block is arranged on the circumference of the disc; still be equipped with the first recess that uses with the cooperation of first stopper between rocking arm and the connecting rod, be equipped with the fastener in the first recess for the first stopper of joint.
3. A gas meter movement structure convenient for calibration and adjustment according to claim 2, characterized in that: the disc is arranged at one end of the rocker arm connected with the connecting rod and is rotationally connected with the rocker arm; the first groove is arranged on the rocker arm and corresponds to the position of the first limiting block, and the first mounting hole is formed in one end, connected with the rocker arm, of the connecting rod.
4. A gas meter movement structure convenient for calibration and adjustment according to claim 2, characterized in that: the disc is arranged at one end of the connecting rod connected with the rocker arm and is rotationally connected with the connecting rod; the first groove is arranged on the connecting rod and corresponds to the position of the first limiting block, and the first mounting hole is formed in one end, connected with the connecting rod, of the rocker arm.
5. A gas meter movement structure convenient for calibration and adjustment according to claim 2, characterized in that: the first mounting holes comprise a plurality of second mounting holes, and the second mounting holes are used for mounting the first mounting rods.
6. A gas meter movement structure convenient for calibration and adjustment according to claim 2, characterized in that: the gas meter movement structure also comprises a crank and a valve cover;
the valve cover is provided with a second groove;
the crank comprises a second mounting rod, a rotary disc, a gear and a clamping block;
the turntable and the gear are coaxially arranged, a second mounting rod is arranged on the top surface of the turntable, and the second mounting rod is eccentrically arranged; the bottom surface of the gear is provided with a plurality of third grooves, the first clamping block is clamped in the third grooves, and the other end of the first clamping block is clamped in the second grooves;
and a third mounting hole is formed in one end, far away from the rocker arm, of the connecting rod.
7. A gas meter movement structure convenient for calibration and adjustment according to claim 6, characterized in that: the third mounting holes comprise a plurality of fourth mounting holes, and the fourth mounting holes are used for mounting second mounting rods.
8. The gas meter movement structure convenient for calibration and adjustment according to claim 1, characterized in that: the length adjustment mechanism includes: the sliding groove and the fifth mounting hole; a third mounting rod matched with the fifth mounting hole is arranged in the sliding groove; if the sliding groove is arranged on the rocker arm, the fifth mounting hole is arranged on the connecting rod; if the sliding groove is arranged on the connecting rod, the fifth mounting hole is arranged on the rocker arm;
the inner side wall of the sliding chute is provided with a plurality of limiting mechanisms; stop gear includes: the electromagnet and the spring are sequentially arranged in the fourth groove from the bottom to the notch of the fourth groove; one end of the spring is fixedly connected with the electromagnet, and the other end of the spring is fixedly connected with a second limiting block; the top surface of one end of the second limiting block, which is not connected with the spring, is an inclined surface; a fifth groove is formed in the side wall, opposite to the fourth groove, in the sliding groove; the inclined plane of the second limiting block is pushed into the fifth groove by the elastic force of the spring.
9. A gas meter movement structure convenient for calibration and adjustment according to claim 8, characterized in that: the length adjustment mechanism further comprises: the controller is used for controlling the electromagnet to be opened and closed and controlling the magnetic force of the electromagnet;
if the gas meter movement structure detects that the metering has errors, adjusting the length of the rocker arm or the connecting rod through a controller according to the errors;
if the error is that the volume of the gas detected by the gas meter movement structure in unit time is larger than the volume of the standard gas, the controller controls the electromagnet in the limiting mechanism on the side surface of the third mounting rod close to the end, connected with the connecting rod, of the rocker arm to start, adjusts the magnetic force of the corresponding electromagnet to increase, the third mounting column slides towards the end close to the end, connected with the connecting rod, of the rocker arm to the corresponding position of the electromagnet with the maximum magnetic force, and the controller controls the electromagnet to start and close, so that the length of the rocker arm or the connecting rod is increased;
if the error is that the gas volume detected by the gas meter movement structure in unit time is smaller than the volume of standard gas, the controller controls the electromagnet in the limiting mechanism of the third mounting rod far away from the side face of the end, connected with the connecting rod, of the rocker arm to be started, adjusts the magnetic force of the corresponding electromagnet to be increased, the third mounting column slides towards the end, connected with the connecting rod, far away from the rocker arm to slide to the corresponding position of the electromagnet with the maximum magnetic force, and the controller controls the electromagnet to be started and closed, so that the length of the rocker arm or the connecting rod is shortened.
10. The gas meter movement structure convenient for calibration and adjustment according to claim 1, characterized in that: ventilating the movement structure of the gas meter;
detecting the number of rotation turns of the connecting rod in a preset time period;
acquiring the volume of gas detected by the gas meter core structure in a preset time period according to the number of turns of rotation;
acquiring the volume of standard gas in a preset time period;
judging the difference value between the volume of the gas and the volume of the standard gas, and if the difference value belongs to a preset difference value range, detecting the measurement error-free through the core structure of the gas meter; if the difference value does not belong to the preset difference value range, detecting that metering has errors by the gas meter core structure, judging the volume of gas and the volume of standard gas, and if the volume of gas is larger than the volume of standard gas, adjusting a rocker arm or a connecting rod to increase the volume of gas; if the volume of the fuel gas is larger than that of the standard fuel gas, the rocker arm or the connecting rod is adjusted to shorten the volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111664401.3A CN114353912A (en) | 2021-12-31 | 2021-12-31 | Gas table core structure convenient to calibration is adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111664401.3A CN114353912A (en) | 2021-12-31 | 2021-12-31 | Gas table core structure convenient to calibration is adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114353912A true CN114353912A (en) | 2022-04-15 |
Family
ID=81104356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111664401.3A Pending CN114353912A (en) | 2021-12-31 | 2021-12-31 | Gas table core structure convenient to calibration is adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114353912A (en) |
-
2021
- 2021-12-31 CN CN202111664401.3A patent/CN114353912A/en active Pending
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