CN111504624B - Use method of energy storage displacement measuring device - Google Patents
Use method of energy storage displacement measuring device Download PDFInfo
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- CN111504624B CN111504624B CN202010350043.8A CN202010350043A CN111504624B CN 111504624 B CN111504624 B CN 111504624B CN 202010350043 A CN202010350043 A CN 202010350043A CN 111504624 B CN111504624 B CN 111504624B
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- pressure relief
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Abstract
The invention relates to the technical field of transformer substation safety, and particularly discloses a use method of an energy storage displacement measuring device, wherein the energy storage displacement measuring device comprises a shell, and a pressure relief assembly, an indicating assembly and a displacement measuring assembly which are arranged on the shell, a hydraulic spring operating mechanism comprises a pressure relief handle, an oil pressure travel switch contact, a support ring and a piston cylinder, and the use method of the energy storage displacement measuring device comprises the following steps: connecting the indicating assembly to a plurality of oil pressure travel switch contacts; connecting the displacement measuring assembly to the support ring; arranging a pressure relief assembly below the pressure relief handle, and lifting the pressure relief handle through the pressure relief assembly; and acquiring indication information, and acquiring the energy storage displacement of each corresponding hydraulic travel switch contact according to each indication information. The application method of the energy storage displacement measuring device has the advantages of small operation difficulty, high measurement accuracy and high measurement efficiency.
Description
Technical Field
The invention relates to the technical field of transformer substation safety, in particular to a using method of an energy storage displacement measuring device.
Background
The hydraulic spring operating mechanism can compress the disc spring through the accumulator piston and store hydraulic energy in the energy storage piston cylinder for a long time, and necessary energy storage is made for opening and closing operations of the circuit breaker. In the maintenance operation of the circuit breaker, energy storage displacement of the hydraulic spring operating mechanism at the contact points of the oil pressure travel switches such as reclosing, closing and opening needs to be measured, a maintenance worker generally manually pulls the pressure relief handle to relieve pressure of the hydraulic spring operating mechanism, the lifting height of the pressure relief handle corresponds to the pressure relief rate of the hydraulic spring operating mechanism, so that hydraulic energy stored in the energy accumulator is converted into displacement change between the support ring and the piston cylinder, and when the support ring and the piston cylinder move relatively, the contact points of the oil pressure travel switches can sequentially reach the corresponding designated working state. The corresponding actual energy storage displacement when each oil pressure travel switch contact points are in the appointed working state is measured by the caliper, and the oil pressure of the hydraulic spring operating mechanism at each oil pressure travel switch contact point is obtained according to the comparison between the measured actual energy storage displacement and the standard energy storage displacement, so that the working condition of the hydraulic spring operating mechanism is judged. However, the following problems exist during the operation:
(1) when the pressure relief handle is lifted manually to relieve pressure, uniform force is difficult to ensure, so that the relative movement speed of the piston cylinder and the support ring is not uniform, the specified working state of the oil pressure travel switch contact can be missed, the finally measured energy storage displacement is not the energy storage displacement in the specified working state of the oil pressure travel switch contact, and the accuracy of the measurement result is reduced;
(2) when the pressure is manually relieved, on one hand, the working state of the contact of the oil pressure travel switch needs to be observed, on the other hand, the stored energy displacement of each contact needs to be measured by using a caliper, the measuring process is easily influenced by the surrounding working environment and the operation proficiency and operation agility of maintainers, and the measuring accuracy is also reduced; and once the specified working state of the contact of the oil pressure travel switch is missed, the hydraulic spring operating mechanism needs to be stored again, and the energy storage displacement measurement operation is carried out again, so that the measurement efficiency is also reduced.
Disclosure of Invention
The embodiment of the invention aims to provide a using method of an energy storage displacement measuring device, which has the advantages of small operation difficulty, high measurement accuracy and high measurement efficiency.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
the use method of the energy storage displacement measuring device is applied to a hydraulic spring operating mechanism, the energy storage displacement measuring device comprises a shell, and a pressure relief assembly, an indicating assembly and a displacement measuring assembly which are arranged on the shell, the hydraulic spring operating mechanism comprises a pressure relief handle, an oil pressure travel switch contact, a support ring and a piston cylinder, and the use method of the energy storage displacement measuring device comprises the following steps:
fixing the shell on the hydraulic spring operating mechanism, and connecting the indicating assembly to a plurality of oil pressure travel switch contacts;
attaching the displacement measuring assembly to the support ring;
arranging the pressure relief assembly below the pressure relief handle, and lifting the pressure relief handle through the pressure relief assembly, so that when the pressure relief handle is lifted away from an initial position, the oil pressure travel switch contacts switch different designated action states to send corresponding indication information, wherein each indication information corresponds to one oil pressure travel switch contact;
acquiring the indication information, and acquiring the energy storage displacement of each corresponding oil pressure travel switch contact according to each indication information; wherein, according to one said instruction information obtain correspondent said oil pressure travel switch contact store energy displacement, comprising: and when one of the oil pressure travel switch contacts is switched to a specified action state to send out indication information, measuring the displacement between the support ring and the piston cylinder.
As a preferable mode of the use method of the energy storage displacement measuring device, the pressure relief assembly comprises a supporting structure for supporting the pressure relief handle, and a lifting structure connected with the supporting structure;
said lifting of said pressure relief handle by said pressure relief assembly comprising:
through the lifting structure lifts with a plurality of unit heights the bearing structure to the lifting pressure release handle, the quantity of unit height corresponds the support ring with the flexible rate of relative flexible displacement between the piston cylinder.
As a preferable scheme of the using method of the energy storage displacement measuring device, the lifting structure comprises a lifting seat fixedly arranged on the shell and a screw rod movably connected with the lifting seat, the screw rod is fixedly connected with the supporting structure, a threaded hole is concavely formed in one side surface, close to the supporting structure, of the lifting seat, and the screw rod is in threaded fit connection with the threaded hole;
the lifting the support structure with a plurality of unit heights by the lifting structure comprises:
the supporting structure is driven to rotate for a plurality of circles relative to the lifting seat, and the unit height corresponds to the lifting height of the screw rod relative to the lifting seat for one circle, so that the supporting structure is lifted for a plurality of unit heights.
As a preferable scheme of the using method of the energy storage displacement measuring device, a locking mechanism is arranged on the lifting seat;
the method further comprises the following steps:
after the supporting structure is driven to rotate for a plurality of circles relative to the lifting seat, the position of the screw rod relative to the lifting seat is locked through the locking mechanism, so that the hydraulic spring operating mechanism releases pressure at a constant speed.
As a preferable scheme of the using method of the energy storage displacement measuring device, the indicating assembly comprises a plurality of indicating modules fixedly arranged on the shell and a lead with one end connected with the indicating modules and the other end connected with the oil pressure travel switch contact, and each indicating module corresponds to one oil pressure travel switch contact;
the hydraulic travel switch contacts switch different designated operating states to send corresponding indication information, and the indication information comprises:
and each oil pressure travel switch contact is sequentially conducted to switch different specified action states, and the corresponding indicating module sends out indicating information when the oil pressure travel switch contacts are conducted.
As a preferable scheme of the using method of the energy storage displacement measuring device, the indicating module comprises an indicating lamp module and/or an acoustic alarm module;
the indication module sends out indication information, including:
the indicating lamp module sends out light indicating information, and/or the sound alarm module sends out sound alarm information.
As a preferable mode of the use method of the energy storage displacement measuring device, the indicating assembly further comprises a wire coil seat arranged at the connecting position of the lead and the shell;
the method further comprises the following steps:
after the energy storage displacement measuring device is used, the lead is wound on the coil seat.
As a preferable scheme of the use method of the energy storage displacement measuring device, the displacement measuring assembly comprises a measuring scale and a clamping groove connected with the measuring scale, the clamping groove is arranged in the shell, the measuring scale can move relative to a guide groove of the clamping groove, and the clamping groove can accommodate the measuring scale;
said attaching said displacement measurement assembly to said support ring, comprising:
abutting one end, far away from the clamping groove, of the measuring scale against the support ring, and abutting the other end, close to the clamping groove, of the measuring scale against the piston cylinder;
measuring displacement between the support ring and the piston cylinder, comprising:
measuring a first distance between the support ring and the piston cylinder by the measuring tape;
after the hydraulic spring operating mechanism is completely decompressed, measuring a second distance between the support ring and the piston cylinder through the measuring scale;
and calculating the absolute value of the difference value of the first distance and the second distance so as to obtain the energy storage displacement of the oil pressure travel switch contact corresponding to the indication information.
As a preferable scheme of the using method of the energy storage displacement measuring device, an expansion joint is arranged at the joint of the measuring scale and the clamping groove, and the measuring scale can move in an expansion mode relative to the expansion joint or rotate relative to a central shaft of the expansion joint;
the will the measuring tape is kept away from the one end butt of draw-in groove the support ring is close to the other end butt of draw-in groove is in on the piston cylinder, include:
the measuring scale is driven to move relative to the telescopic joint in a telescopic mode or rotate relative to the central shaft of the telescopic joint, so that one end, far away from the clamping groove, of the measuring scale moves relative to the telescopic joint in a telescopic mode and abuts against the support ring, and the other end, close to the clamping groove, of the measuring scale rotates relative to the telescopic joint and abuts against the piston cylinder.
As a preferable aspect of the method for using the energy storage displacement measuring device, the method further includes:
after the energy storage displacement measuring device is used, the measuring scale is driven to contract and move or rotate relative to the expansion joint, so that the measuring scale is accommodated in the clamping groove.
The embodiment of the invention has the beneficial effects that:
the shell is fixed on the hydraulic spring operating mechanism, the indicating assembly is connected to the oil pressure travel switch contacts and used for sending out indicating information when the oil pressure travel switch contacts are in an appointed action state, so that the action of lifting the pressure relief handle is stopped when the oil pressure travel switch contacts are in the appointed action state, the pressure relief handle is prevented from continuously acting and missing the appointed action state of the oil pressure travel switch contacts, and the risk of re-measurement operation is reduced. And the displacement measuring assembly is connected to the support ring of the hydraulic spring operating mechanism, so that the displacement between the support ring and a piston cylinder of the hydraulic spring operating mechanism can be measured, and the energy storage displacement of each oil pressure travel switch contact corresponding to each indication information is obtained. According to the comparison between the measured actual energy storage displacement and the standard energy storage displacement, the oil pressure of the hydraulic spring operating mechanism at each oil pressure travel switch contact can be obtained, and the working condition of the hydraulic spring operating mechanism can be further judged. The pressure relief assembly is arranged below a pressure relief handle of the hydraulic spring operating mechanism, the pressure relief handle is lifted through the pressure relief assembly, so that the pressure relief handle can be stably lifted away from an initial position, hydraulic energy stored in an energy accumulator of the hydraulic spring operating mechanism can be relieved at a constant speed, displacement change between the support ring and the piston cylinder is uniform and regular, corresponding indication information can be sent by switching different specified action states through oil pressure travel switch contacts, each indication information corresponds to one oil pressure travel switch contact, and an overhaul person obtains the indication information and then carries out energy storage displacement measurement, so that dependence on operation proficiency and operation agility of the overhaul person can be reduced. According to the application method of the energy storage displacement measuring device, the pressure relief handle is stably lifted through the pressure relief assembly, the phenomenon that the piston cylinder is relieved with pressure in an unstable manual pulling mode and the specified action state of the contact of the oil pressure travel switch is missed is avoided, and the accuracy of the measuring result is improved; on the other hand, the indicating assembly is used for reminding an operator of the specified action state of the oil pressure travel switch contact, so that the operator can directly obtain the energy storage displacement of the oil pressure travel switch contact when acquiring the indicating information sent by the indicating assembly, the operation difficulty is reduced, and the measurement accuracy and the measurement efficiency are also improved.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a flowchart of a method for using an energy storage displacement measurement device according to an embodiment of the present invention.
Fig. 2 is a flow chart of a method for using an energy storage displacement measurement device according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an energy storage displacement measurement device according to an embodiment of the present invention.
Fig. 4 is a schematic view of an assembly structure of an energy storage displacement measuring device and a hydraulic spring operating mechanism according to another embodiment of the invention.
Fig. 5 is a partial structural schematic diagram of an energy storage displacement measuring device according to another embodiment of the present invention.
Fig. 6 is a partially enlarged structural view of a portion a in fig. 4.
In the figure:
1. a housing;
2. a pressure relief assembly; 21. a support structure; 22. a lifting structure; 221. lifting the seat; 222. a screw; 223. a locking mechanism;
3. an indicating component; 31. an indication module; 32. a wire; 33. a coil holder;
4. a displacement measuring assembly; 41. measuring a ruler; 42. a card slot; 43. an expansion joint;
200. a hydraulic spring operating mechanism; 201. a pressure relief handle; 202. a hydraulic travel switch contact; 203. a support ring; 204. a piston cylinder.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the embodiment of the present invention provides a method for using an energy storage displacement measuring device, which is applied to a hydraulic spring operating mechanism 200 shown in fig. 4, the energy storage displacement measuring device is shown in fig. 3, and includes a housing 1, and a pressure relief assembly 2, an indicating assembly 3 and a displacement measuring assembly 4 which are arranged on the housing 1, the hydraulic spring operating mechanism 200 includes a pressure relief handle 201, an oil pressure stroke switch contact 202, a support ring 203 and a piston cylinder 204. As shown in fig. 1, a method for using an energy storage displacement measurement device according to an embodiment of the present invention includes:
s101, fixing the shell 1 on the hydraulic spring operating mechanism 200, and connecting the indicating assembly 3 to a plurality of oil pressure travel switch contacts 202;
s102, connecting the displacement measuring assembly 4 to the support ring 203;
s103, arranging the pressure relief assembly 2 below the pressure relief handle 201, and lifting the pressure relief handle 201 through the pressure relief assembly 2, so that when the pressure relief handle 201 is lifted away from an initial position, the oil pressure travel switch contacts 202 switch different specified action states to send corresponding indication information, wherein each indication information corresponds to one oil pressure travel switch contact 202;
s104, acquiring indication information, and acquiring the energy storage displacement of each corresponding oil pressure travel switch contact 202 according to each indication information; the method for obtaining the energy storage displacement of the corresponding oil pressure travel switch contact 202 according to one indication information comprises the following steps: when one of the hydraulic stroke switch contacts 202 is switched to a predetermined operation state to send an instruction message, the displacement between the support ring 203 and the piston cylinder 204 is measured.
As shown in fig. 6, in the embodiment of the present invention, the indicating component 3 is connected to the plurality of hydraulic travel switch contacts 202, and is configured to send an indicating message when the hydraulic travel switch contacts 202 are in the specified action state, so as to stop the action of lifting the pressure release handle 201 when the hydraulic travel switch contacts 202 are in the specified action state, thereby avoiding the pressure release handle 201 from continuing to act and missing the specified action state of the hydraulic travel switch contacts 202, and reducing the risk of re-measurement operation. The displacement measuring assembly 4 is connected to the support ring 203 of the hydraulic spring operating mechanism 200, and can measure the displacement between the support ring 203 and the piston cylinder 204 of the hydraulic spring operating mechanism 200, so as to obtain the energy storage displacement of each oil pressure travel switch contact 202 corresponding to each indication information, for example, record the corresponding measured value when each oil pressure travel switch contact 202 is in the designated action state, and finally subtract the measured value when the hydraulic spring operating mechanism 200 is in the complete pressure relief state, so as to obtain the energy storage displacement of each oil pressure travel switch contact 202. The hydraulic pressure of the hydraulic spring actuator 200 at each of the hydraulic travel switch contacts 202 can be obtained from a comparison of the measured actual stored energy displacement with the standard stored energy displacement, and the operating condition of the hydraulic spring actuator 200 can be determined. The pressure relief assembly 2 is arranged below a pressure relief handle 201 of the hydraulic spring operating mechanism 200, the pressure relief handle 201 is lifted through the pressure relief assembly 2, so that the pressure relief handle 201 can be stably lifted away from an initial position, hydraulic energy stored in an energy accumulator of the hydraulic spring operating mechanism 200 can be relieved at a constant speed, displacement change between a support ring 203 and a piston cylinder 204 is uniform and regular, corresponding indication information can be sent out when an oil pressure travel switch contact 202 is switched to different specified action states, each indication information corresponds to one oil pressure travel switch contact 202, and an overhaul person obtains the indication information and then carries out energy storage displacement measurement, so that dependence on operation proficiency and operation agility of the overhaul person can be reduced. According to the application method of the energy storage displacement measuring device, the pressure relief handle 201 is stably lifted through the pressure relief assembly 2, the phenomenon that the piston cylinder 204 is relieved with pressure in an unstable manual pulling mode to miss the specified action state of the oil pressure travel switch contact 202 is avoided, and the accuracy of the measuring result is improved; on the other hand, the indication component 3 is used for reminding an operator of the specified action state of the oil pressure travel switch contact 202, so that the operator can directly obtain the energy storage displacement of the oil pressure travel switch contact 202 when acquiring the indication information sent by the indication component 3, the operation difficulty is reduced, and the measurement accuracy and the measurement efficiency are also improved.
In one embodiment, referring to fig. 5, the pressure relief assembly 2 includes a support structure 21 for supporting a pressure relief handle 201, and a lifting structure 22 connected to the support structure 21. The step of lifting the pressure relief handle 201 by the pressure relief assembly 2 comprises:
the supporting structure 21 is lifted by the lifting structure 22 in a plurality of unit heights to lift the pressure relief handle 201, the number of the unit heights corresponds to the telescopic speed of the relative telescopic displacement between the supporting ring 203 and the piston cylinder 204, and when the number of the unit heights is larger, the telescopic speed of the relative telescopic displacement between the supporting ring 203 and the piston cylinder 204 is higher.
The embodiment determines the telescopic speed of the relative telescopic displacement between the support ring 203 and the piston cylinder 204 through the unit height number of the lifting structure 22, and when the unit height number of the lifting structure 22 is not changed, the telescopic speed of the relative telescopic displacement between the support ring 203 and the piston cylinder 204 is constant, so that the time regularity of the specified action state switched by the oil pressure travel switch contact 202 can be ensured, and the operation difficulty is reduced and the measurement accuracy is improved.
Further, with reference to fig. 5, the lifting structure 22 includes a lifting seat 221 fixed on the housing 1, and a screw 222 movably connected to the lifting seat 221, the screw 222 is fixedly connected to the supporting structure 21, a threaded hole is concavely formed on a side surface of the lifting seat 221 close to the supporting structure 21, and the screw 222 is in threaded fit connection with the threaded hole. The step of lifting the support structure 21 by the lifting structure 22 by a number of unit heights comprises:
the supporting structure 21 is driven to rotate for several circles relative to the lifting seat 221, and the unit height corresponds to the lifting height of the screw 222 rotating for one circle relative to the lifting seat 221, so that the supporting structure 21 is lifted for several unit heights.
The embodiment can drive the screw rod 222 fixedly connected with the supporting structure 21 to rotate relative to the lifting seat 221, and the unit height of the lifting structure 22 is determined according to the number of rotation turns, so that the expansion and contraction rate of the relative expansion and contraction displacement between the supporting ring 203 and the piston cylinder 204 is determined.
After determining the position of the supporting structure 21 relative to the screw 222, if the pressure of the pressure relief handle 201 on the supporting structure 21 is not enough to fasten the supporting structure 21 on the screw 222, in a preferred embodiment, with continued reference to fig. 3, the lifting seat 221 is provided with a locking mechanism 223, and the method for using the energy storage displacement measurement apparatus according to the embodiment of the present invention further includes:
after the driving support structure 21 rotates for several turns relative to the lifting seat 221, the position of the screw 222 relative to the lifting seat 221 is locked by the locking mechanism 223, so that the hydraulic spring operating mechanism 200 is decompressed at a constant speed.
The use method of the energy-storage displacement measuring device of the embodiment can avoid the situation that the screw 222 slides relative to the lifting seat 221 after the position of the support structure 21 relative to the screw 222 is determined, and can also reduce the dependence on the operator for manually maintaining the stability of the support structure 21.
In another embodiment, referring to fig. 3, the indicating assembly 3 includes a plurality of indicating modules 31 fixed on the housing 1, and a conducting wire 32 having one end connected to the indicating module 31 and the other end connected to the hydraulic travel switch contact 202, each indicating module 31 corresponds to one hydraulic travel switch contact 202, and the case where the hydraulic travel switch contact 202 switches different designated operation states to send out corresponding indicating information includes:
each hydraulic travel switch contact 202 is turned on in sequence to switch different designated operating states, and the corresponding indicating module 31 issues indicating information when the hydraulic travel switch contact 202 is turned on.
In the present embodiment, each hydraulic travel switch contact 202 is turned on when in the designated operation state, and the indication module 31 corresponding to the turned-on hydraulic travel switch contact 202 sends the indication information to remind the operator that the hydraulic travel switch contact 202 is in the designated operation state, so that the stored energy displacement at this time can be measured.
Preferably, the indication module 31 includes an indication lamp module, or an audible alarm module, or both. The application method of the energy storage displacement measuring device provided by the embodiment of the invention can be used for sending out the warning light signal by the indicator light module when the oil pressure travel switch contact 202 is in the appointed action state, or sending out the sound alarm signal by the sound alarm module when the oil pressure travel switch contact 202 is in the appointed action state, or sending out the warning light signal by the indicator light module when the oil pressure travel switch contact 202 is in the appointed action state and sending out the sound alarm signal by the sound alarm module when the oil pressure travel switch contact 202 is in the appointed action state, so that an operator is reminded that the oil pressure travel switch contact 202 is in the appointed action state, and the energy storage displacement at the moment can be measured.
In another preferred embodiment, referring to fig. 5, the indicating assembly 3 further includes a coil seat 33 disposed at a connection position of the conducting wire 32 and the housing 1, and the method for using the energy storage displacement measuring device according to the embodiment of the present invention may further include:
after the energy storage displacement measuring device is used, the lead wire 32 is wound around the reel seat 33.
In this embodiment, the wires 32 can be prevented from being scattered and knotted, and maintenance of the energy storage displacement measuring device can be reduced.
In addition, referring to fig. 3, the displacement measuring assembly 4 includes a measuring tape 41, and a slot 42 connected to the measuring tape 41, the slot 42 is disposed in the housing 1, the measuring tape 41 is movable relative to a guide groove of the slot 42, and the slot 42 is capable of receiving the measuring tape 41. In one embodiment, the step of attaching the displacement measuring assembly 4 to the support ring 203 comprises:
one end of the measuring tape 41 far from the clamping groove 42 is abutted against the support ring 203, and the other end near the clamping groove 42 is abutted against the piston cylinder 204.
Further, the step of measuring the displacement between the support ring 203 and the piston cylinder 204 comprises:
measuring a first distance between the support ring 203 and the piston cylinder 204 by means of the measuring tape 41;
after the hydraulic spring operating mechanism 200 is completely decompressed, measuring a second distance between the support ring 203 and the piston cylinder 204 through the measuring scale 41;
the absolute value of the difference between the first distance and the second distance is calculated to obtain the stored energy displacement of the hydraulic travel switch contact 202 corresponding to the instruction information.
This embodiment shows a measurement procedure for obtaining the energy storage displacement of the oil pressure stroke switch contact 202.
Further, with continued reference to fig. 3, a telescopic joint 43 is disposed at a connection point of the measuring tape 41 and the slot 42, the measuring tape 41 can move telescopically relative to the telescopic joint 43 or rotate relative to a central axis of the telescopic joint 43, and the telescopic joint 43 moves telescopically or rotates relative to the central axis of the telescopic joint 43. In the embodiment, one end of the measuring tape 41 away from the clamping groove 42 abuts against the support ring 203, and the other end close to the clamping groove 42 abuts against the piston cylinder 204, which includes:
the measuring tape 41 is driven to move telescopically relative to the telescopic joint 43 or to rotate relative to the central shaft of the telescopic joint 43, so that one end of the measuring tape 41, which is far away from the clamping groove 42, moves telescopically relative to the telescopic joint 43 to be abutted against the support ring 203, and the other end of the measuring tape 41, which is close to the clamping groove 42, rotates relative to the telescopic joint 43 to be abutted against the piston cylinder 204.
The present embodiment is capable of extending or rotating the measuring tape 41 so that the stored energy displacement measuring device of the present embodiment is capable of measuring the stored energy displacement of the hydraulic spring operating mechanism 200 at multiple positions or at multiple angles.
In particular, the use method of the energy storage displacement measuring device of the embodiment of the invention further comprises the following steps:
after the energy storage displacement measuring device is used, the measuring tape 41 is driven to contract and move or rotate relative to the telescopic joint 43, so that the measuring tape 41 is accommodated in the clamping groove 42.
The measuring tape 41 can be accommodated in the clamping groove 42, and the occupied volume of the energy storage displacement measuring device is reduced.
In another preferred embodiment, the measuring tape 41 is made of a magnetic material, one end of the measuring tape 41 can be firmly attached to the supporting ring 203, and the other end of the measuring tape 41 is parallel to the surface of the piston cylinder 204, so that when the energy storage displacement measuring device of the embodiment of the invention is used for performing a constant pressure relief process on the hydraulic spring operating mechanism 200, the measured value on the measuring tape 41 can be stably recorded through the magnetic attraction force of the measuring tape 41 and the supporting ring 203.
Referring to fig. 2, an embodiment of the present invention further provides another method for using an energy storage displacement measurement apparatus, including:
s201, fixing the shell 1 on the hydraulic spring operating mechanism 200, and connecting the indicating assembly 3 to a plurality of oil pressure travel switch contacts 202;
s202, driving the measuring tape 41 to move telescopically relative to the telescopic joint 43 or rotate relative to the central shaft of the telescopic joint 43, so that one end, far away from the clamping groove 42, of the measuring tape 41 moves telescopically relative to the telescopic joint 43 to be abutted against the support ring 203, and the other end, close to the clamping groove 42, of the measuring tape 41 rotates relative to the telescopic joint 43 to be abutted against the piston cylinder 204;
s203, arranging the pressure relief assembly 2 under a pressure relief handle 201, driving the support structure 21 to rotate for a plurality of circles relative to the lifting seat 221, locking the position of the screw 222 relative to the lifting seat 221 through the locking mechanism 223, enabling the support structure 21 to be lifted for a plurality of unit heights by corresponding to the lifting height of the screw 222 relative to the lifting seat 221, so as to lift the pressure relief handle 201, enabling the number of the unit heights to correspond to the expansion rate of relative expansion displacement between the support ring 203 and the piston cylinder 204, enabling each oil pressure travel switch contact 202 to be sequentially conducted to switch different specified action states when the pressure relief handle 201 is lifted away from an initial position, enabling the corresponding indication module 31 to send indication information when the oil pressure travel switch contacts 202 are conducted, and enabling each indication information to correspond to one oil pressure travel switch contact 202;
s204, acquiring indication information, and acquiring the energy storage displacement of each corresponding oil pressure travel switch contact 202 according to each indication information; the method for obtaining the energy storage displacement of the corresponding oil pressure travel switch contact 202 according to one indication information comprises the following steps: when one oil pressure travel switch contact 202 is switched to a designated action state to send out indication information, measuring a first distance between the support ring 203 and the piston cylinder 204 through the measuring scale 41; after the hydraulic spring operating mechanism 200 is completely decompressed, measuring a second distance between the support ring 203 and the piston cylinder 204 through the measuring scale 41; calculating the absolute value of the difference value of the first distance and the second distance to obtain the energy storage displacement of the oil pressure travel switch contact 202 corresponding to the indication information;
s205, after the energy storage displacement measuring device is used, the lead wire 32 is wound around the wire reel 33, and the measuring tape 41 is driven to contract or rotate with respect to the expansion joint 43, so that the measuring tape 41 is stored in the slot 42.
The effect achieved by the steps of the embodiment of the method is similar to the effect of the steps of the embodiment of the method, and the description of the embodiment is omitted.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or a positional relationship based on the orientation shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (9)
1. The use method of the energy storage displacement measuring device is applied to a hydraulic spring operating mechanism and is characterized in that the energy storage displacement measuring device comprises a shell, and a pressure relief assembly, an indicating assembly and a displacement measuring assembly which are arranged on the shell, the hydraulic spring operating mechanism comprises a pressure relief handle, an oil pressure travel switch contact, a support ring and a piston cylinder, and the use method of the energy storage displacement measuring device comprises the following steps:
fixing the shell on the hydraulic spring operating mechanism, and connecting the indicating assembly to a plurality of oil pressure travel switch contacts;
attaching the displacement measuring assembly to the support ring;
arranging the pressure relief assembly below the pressure relief handle, and lifting the pressure relief handle through the pressure relief assembly, so that when the pressure relief handle is lifted away from an initial position, the oil pressure travel switch contacts switch different designated action states to send corresponding indication information, wherein each indication information corresponds to one oil pressure travel switch contact;
acquiring the indication information, and acquiring the energy storage displacement of each corresponding oil pressure travel switch contact according to each indication information; wherein, according to one said instruction information obtain correspondent said oil pressure travel switch contact store energy displacement, comprising: when one oil pressure travel switch contact is switched to a specified action state to send out indication information, measuring the displacement between the support ring and the piston cylinder;
the pressure relief assembly comprises a supporting structure for supporting the pressure relief handle and a lifting structure connected with the supporting structure;
said lifting of said pressure relief handle by said pressure relief assembly comprising:
through the lifting structure lifts with a plurality of unit heights the bearing structure to the lifting pressure release handle, the quantity of unit height corresponds the support ring with the flexible rate of relative flexible displacement between the piston cylinder.
2. The method for using the energy storage displacement measuring device according to claim 1, wherein the lifting structure comprises a lifting seat fixedly arranged on the housing and a screw movably connected with the lifting seat, the screw is fixedly connected with the supporting structure, a threaded hole is concavely formed in one side surface of the lifting seat close to the supporting structure, and the screw is in threaded fit connection with the threaded hole;
the lifting the support structure with a plurality of unit heights by the lifting structure comprises:
the supporting structure is driven to rotate for a plurality of circles relative to the lifting seat, and the unit height corresponds to the lifting height of the screw rod relative to the lifting seat for one circle, so that the supporting structure is lifted for a plurality of unit heights.
3. The method of using the energy storage displacement measuring device of claim 2, wherein the lifting seat is provided with a locking mechanism;
the method further comprises the following steps:
after the supporting structure is driven to rotate for a plurality of circles relative to the lifting seat, the position of the screw rod relative to the lifting seat is locked through the locking mechanism, so that the hydraulic spring operating mechanism releases pressure at a constant speed.
4. The method of using an energy storage displacement measuring device according to claim 1, wherein the indicating assembly comprises a plurality of indicating modules fixed to the housing, and a lead having one end connected to the indicating modules and the other end connected to the hydraulic travel switch contacts, each indicating module corresponding to one of the hydraulic travel switch contacts;
the hydraulic travel switch contacts switch different designated operating states to send corresponding indication information, and the indication information comprises:
and each oil pressure travel switch contact is sequentially conducted to switch different specified action states, and the corresponding indicating module sends out indicating information when the oil pressure travel switch contacts are conducted.
5. The use method of the energy storage displacement measuring device according to claim 4, wherein the indicating module comprises an indicator light module and/or an audible alarm module;
the indication module sends out indication information, including:
the indicating lamp module sends out light indicating information, and/or the sound alarm module sends out sound alarm information.
6. The method of using an energy storage displacement measuring device according to claim 4, wherein the indicating assembly further comprises a coil mount disposed at a junction of the lead and the housing;
the method further comprises the following steps:
after the energy storage displacement measuring device is used, the lead is wound on the coil seat.
7. The method of using the energy storage displacement measuring device of claim 1, wherein the displacement measuring assembly includes a measuring tape and a slot coupled to the measuring tape, the slot being disposed within the housing, the measuring tape being movable relative to a guide slot of the slot, and the slot being capable of receiving the measuring tape;
said attaching said displacement measurement assembly to said support ring, comprising:
abutting one end, far away from the clamping groove, of the measuring scale against the support ring, and abutting the other end, close to the clamping groove, of the measuring scale against the piston cylinder;
measuring displacement between the support ring and the piston cylinder, comprising:
measuring a first distance between the support ring and the piston cylinder by the measuring tape;
after the hydraulic spring operating mechanism is completely decompressed, measuring a second distance between the support ring and the piston cylinder through the measuring scale;
and calculating the absolute value of the difference value of the first distance and the second distance so as to obtain the energy storage displacement of the oil pressure travel switch contact corresponding to the indication information.
8. The use method of the energy storage displacement measuring device according to claim 7, wherein a telescopic joint is arranged at the joint of the measuring tape and the clamping groove, and the measuring tape can move telescopically relative to the telescopic joint or rotate relative to the central shaft of the telescopic joint;
the will the measuring tape is kept away from the one end butt of draw-in groove the support ring is close to the other end butt of draw-in groove is in on the piston cylinder, include:
the measuring scale is driven to move relative to the telescopic joint in a telescopic mode or rotate relative to the central shaft of the telescopic joint, so that one end, far away from the clamping groove, of the measuring scale moves relative to the telescopic joint in a telescopic mode and abuts against the support ring, and the other end, close to the clamping groove, of the measuring scale rotates relative to the telescopic joint and abuts against the piston cylinder.
9. The method of using an energy storage displacement measurement device of claim 8, further comprising:
after the energy storage displacement measuring device is used, the measuring scale is driven to contract and move or rotate relative to the expansion joint, so that the measuring scale is accommodated in the clamping groove.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3643290A1 (en) * | 1986-12-18 | 1988-06-30 | Boge Ag | Device for determining the displacement of a piston |
| CN2519038Y (en) * | 2002-01-28 | 2002-10-30 | 沈阳正鑫电气有限公司 | Spring hydraulic mechanism |
| CN201062946Y (en) * | 2007-06-21 | 2008-05-21 | 江西洪都航空工业集团有限责任公司 | Travel switch measuring apparatus |
| CN102710014B (en) * | 2012-05-24 | 2015-07-01 | 北京四方继保自动化股份有限公司 | Mechanical characteristic condition monitoring device for circuit breaker based on IEC61850 |
| CN205384352U (en) * | 2015-12-21 | 2016-07-13 | 平高集团有限公司 | Pull rod cam -type travel switch detection device |
| CN205723194U (en) * | 2016-05-05 | 2016-11-23 | 黎明液压科技有限公司 | Pressure monitoring in high-voltage switch gear hydraulic actuating mechanism and control device |
| CN107816934B (en) * | 2017-12-04 | 2024-04-09 | 中国南方电网有限责任公司超高压输电公司昆明局 | Automatic measuring device for disc spring compression amount of hydraulic disc spring mechanism of circuit breaker |
| CN108343644B (en) * | 2017-12-29 | 2020-02-21 | 河南平高电气股份有限公司 | Pneumatic energy accumulator, hydraulic operating mechanism and high-voltage circuit breaker |
| CN110243500B (en) * | 2019-07-03 | 2021-03-05 | 国家电网有限公司 | Hydraulic mechanism pressure node detection system and method |
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