CN112611492B - Push rod empty load switching detection device - Google Patents
Push rod empty load switching detection device Download PDFInfo
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- CN112611492B CN112611492B CN202011374184.XA CN202011374184A CN112611492B CN 112611492 B CN112611492 B CN 112611492B CN 202011374184 A CN202011374184 A CN 202011374184A CN 112611492 B CN112611492 B CN 112611492B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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Abstract
The invention relates to a push rod empty load switching detection device, which comprises a working box, wherein a first horizontal support plate and a second horizontal support plate arranged below the first horizontal support plate are arranged in the working box, a plurality of balancing weights are arranged on the first horizontal support plate, at least one guide rod vertically arranged is arranged between the first horizontal support plate and the top of the working box, the balancing weights can vertically move on the guide rods, a switching device for switching push rod empty loads is arranged at the top of the balancing weights, a torsion detection device for detecting a torsion value at one end of a push rod input shaft is arranged on the second horizontal support plate, and a displacement sensor for detecting the extending distance of the other end of the push rod input shaft is arranged at the bottom of the first horizontal support plate. Therefore, the invention has the characteristics of small workload, high efficiency, low equipment cost investment and the like.
Description
Technical Field
The invention relates to a push rod empty load switching detection device, and belongs to the technical field of push rod detection.
Background
The electric push rod is a novel electric actuating mechanism, the electric push rod is a novel linear actuating mechanism mainly composed of a motor, a push rod, a control device and the like, remote control and centralized control can be realized, and the electric push rod moves back and forth within a certain range of stroke.
After the production of present electric putter finishes, need detect electric putter respectively under the empty load environment usually, the torsion data of test push rod input shaft end, test push rod at the distance that stretches out of input simultaneously, under the empty load condition, the torsion of push rod output is in certain extent and the distance that stretches out of push rod is in certain extent, and both satisfy simultaneously respectively under the empty load condition, and the push rod could be qualified, and the nothing can.
At present, for the tests, various testing instruments are often needed, so that the workload of production is increased, the operation is troublesome, the efficiency is low, and the investment of capital is increased due to the need of using various testing instruments.
Disclosure of Invention
The invention aims to provide a push rod empty load switching detection device, which solves the problems of large workload, low efficiency, high equipment cost investment and the like in the prior art.
The technical purpose of the invention is mainly solved by the following technical scheme: a push rod empty load switching detection device comprises a working box, wherein a first horizontal support plate and a second horizontal support plate arranged below the first horizontal support plate are arranged in the working box, a plurality of balancing weights are arranged on the first horizontal support plate, at least one guide rod vertically arranged is arranged between the first horizontal support plate and the top of the working box, the balancing weights can vertically move on the guide rods, a switching device used for switching push rod empty loads is arranged at the top of each balancing weight, a torsion detection device used for detecting a torsion value at one end of a push rod input shaft is arranged on the second horizontal support plate, and a displacement sensor used for detecting the extending distance of the other end of the push rod input shaft is arranged at the bottom of the first horizontal support plate; through the arrangement of the switching device, the empty load switching of the push rod can be realized through the matching of the balancing weight, so that the push rod can be tested under the condition of the empty load by the device, the structure is simple, the operation is easy, the arrangement of the guide rod can lead the input shaft of the push rod to drive the balancing weight to move simultaneously when the input shaft moves up and down, so that the data detection can be carried out on the push rod under the load condition, the torsion detection device can carry out the torsion detection on the push rod under the condition of the empty load, the arrangement of the displacement sensor can intuitively and accurately test the extending distance of the push rod, the test precision is enhanced, the test is simpler and more convenient, the device can test the torsion of the output end of the push rod and the extending distance of the push rod respectively under different conditions of the empty load, the structure is simple, the operation is easy, and the test efficiency of the push rod is effectively improved, the workload is reduced, and the investment of equipment cost is reduced.
Preferably, the counterweight block is provided with a guide sleeve matched with the guide rod and a first notch for the push rod workpiece to pass through, the first horizontal support plate is provided with a plurality of second notches which are used for the push rod workpiece to pass through and correspond to the first notches, and the second horizontal support plate is provided with a plurality of third notches which are used for the push rod workpiece to pass through and correspond to the second notches; the arrangement of the first notch, the second notch and the third notch is used for the push rod to pass through, and the position of the push rod at the notch of the balancing weight can be kept, so that the push rod is positioned at the center of gravity of the balancing weight, the stress point is concentrated, the stability of the push rod during moving is kept, the deviation of the interference band of the balancing weight is avoided, and the push rod is twisted.
Preferably, the switching device comprises a first fixed seat and a second fixed seat which are respectively arranged at two sides of the first gap and correspond to the tops of the balancing weights, the upper end of the first fixed seat is provided with at least one first bayonet, one side of the first fixed seat is provided with a push block, the push block is provided with a locking pin penetrating through the first bayonet and a sliding pin penetrating through the lower half part of the first fixed seat, and the tail end of the sliding pin protrudes out of the first fixed seat and is provided with a stop block; the setting of above-mentioned first fixing base and second fixing base plays the effect of support, and the setting of ejector pad, make fitting pin and sliding pin realize simultaneous control through the ejector pad, the sliding pin plays the effect of locking cardboard, so that keep the horizontal state with the cardboard, make the push rod can push up the cardboard, realize the load, and the sliding pin can keep the horizontal migration of fitting pin, slope when avoiding the fitting pin to remove, the setting of dog can avoid the sliding pin to break away from first fixing base.
Preferably, the upper end of the second fixed seat is provided with a clamping plate capable of being turned over up and down, the joint of the second fixed seat and the clamping plate is provided with at least one second bayonet, one side of the clamping plate is provided with a first lug rotatably connected with the second bayonet through a pin shaft, the other side of the clamping plate is provided with a second lug corresponding to the first bayonet, and the second lug is provided with a through hole for a locking pin to pass through; the setting of above-mentioned cardboard, so that form to block the push rod, make the push rod can drive the balancing weight and remove simultaneously through the cardboard, data when with the test push rod load, and the cardboard can leave when perforating at the stop pin, overturn up, thereby the cancellation is to blockking of push rod, can test the data of push rod when empty load then, realize switching the empty load of push rod, simple structure and easily operation, great increase practicality.
Preferably, a guide rail connected with the top of the working box is arranged in the second notch in a penetrating manner, a sliding block capable of moving up and down is arranged on the guide rail, a fixed block is arranged on one side, corresponding to the clamping plate, of the side wall of the sliding block, and a supporting column which is used for fixing one end of the push rod workpiece and is connected with the fixed block through a bolt is arranged on one side, facing the push block, of the fixed block; the setting of above-mentioned guide rail and slider can support the removal of fixed block for the fixed block can be along with the removal of push rod input shaft and steady movement, and the setting of support column can be fixed the push rod input, guarantees that the push rod can drive the balancing weight through the connection of support column and reciprocate, guarantees the stability of load test.
Preferably, the side wall of the supporting column is provided with an annular positioning disc, and the bottom of the clamping plate is provided with a groove for the supporting column to pass through; above-mentioned annular positioning disk's setting can keep the horizontality of support column, and turns about to the cardboard and steps down, guarantees that the cardboard can lock completely, and grooved setting for step down to the support column, can carry on spacingly to support column horizontal direction's both sides simultaneously, avoid the support column skew about.
Preferably, the torque force detection device comprises a worm transmission box in transmission connection with the bottom end of the output shaft of the push rod workpiece and a motor arranged on the second support plate, a transmission shaft is arranged on the output shaft of the motor, the transmission shaft penetrates through the worm transmission box and is in transmission connection with the bottom end of the output shaft of the push rod workpiece, and a torque force sensor is arranged on the transmission shaft; above-mentioned worm transmission case and motor set up, make the motor can reciprocate through the input shaft that worm transmission case drove the push rod, and the load drives the pressure of push rod input shaft, can increase the torsion of motor output shaft, thereby the torsion value through torsion sensor response push rod input shaft, the realization is detected the torsion of push rod input shaft, make the input shaft of push rod when detecting extension length, can detect the torsion value of push rod input shaft simultaneously, the required time of push rod detection has been reduced, detection efficiency is improved.
Preferably, the displacement sensor comprises a stay wire sensor arranged at the bottom of the first horizontal support plate, the stay wire sensor is fixed at the bottom of the first horizontal support plate through a first support, a second support is arranged at a wire end outlet of the stay wire sensor, a pulley is arranged at the lower end of the second support, and a stay wire in the stay wire sensor sequentially penetrates through the pulley, the second notch and the first notch and is connected with the fixed block; above-mentioned stay wire sensor's setting can detect the displacement of fixed block to can realize the detection to the reach of push rod input shaft through the synchronous motion of fixed block and push rod input shaft, effectively improve and detect accurate nature and detection efficiency.
Therefore, the invention has the characteristics of small workload, high efficiency, low equipment cost investment and the like.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the weight of FIG. 1 on a first support plate;
FIG. 3 is a perspective view of the alternate view of FIG. 1;
fig. 4 is a perspective view showing an open state of the switching device in fig. 1.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1-4, a push rod empty load switching detection device comprises a working box 1, a first horizontal support plate 11 and a second horizontal support plate 12 arranged below the first horizontal support plate 11 are arranged in the working box 1, a plurality of balancing weights 2 are arranged on the first horizontal support plate 11, at least one guide rod 13 vertically arranged is arranged between the first horizontal support plate 11 and the top of the working box 1, the balancing weights 2 can vertically move on the guide rod 13, a switching device a for switching the push rod empty load is arranged at the top of the balancing weights 2, a torsion detection device b for detecting the torsion value at one end of a push rod input shaft is arranged on the second horizontal support plate 12, a displacement sensor c for detecting the extension distance at the other end of the push rod input shaft is arranged at the bottom of the first horizontal support plate 12, and through the arrangement of the switching devices, the matching of the balancing weights, realizes the switching of the empty load of the push rod so as to test the push rod under the condition of the empty load by the equipment, has simple structure and easy operation, the arrangement of the guide rod enables the input shaft of the push rod to drive the balancing weight to move simultaneously when moving up and down, thereby, data detection can be carried out on the push rod under the load condition, the torsion detection device can respectively carry out torsion detection on the push rod under the empty load condition, the arrangement of the displacement sensor, the extension distance of the push rod can be visually and more accurately tested, the test precision is enhanced, the test is simpler and more convenient, the device can respectively and simultaneously test the torsion of the output end of the push rod and the extending distance of the push rod under different conditions of empty load, the push rod testing device is simple in structure and easy to operate, the push rod testing efficiency is effectively improved, the workload is reduced, and meanwhile, the investment of equipment cost is reduced; be equipped with on the balancing weight 2 with guide bar 13 matched with uide bushing 21 and be used for supplying the first breach 22 that the push rod work piece passed, be equipped with a plurality ofly on the first horizontal support board 11 and be used for supplying the push rod work piece to pass and with the corresponding second breach 111 of first breach 22, be equipped with a plurality ofly on the second horizontal support board 12 and be used for supplying the push rod work piece to pass and with the corresponding third breach 121 of second breach 111, above-mentioned first breach, the setting of second breach and third breach, be used for supplying the push rod to pass, and can keep the position of push rod in balancing weight breach department, make the push rod be in the focus department of balancing weight, concentrate the stress point, thereby keep the stability when the push rod removes, avoid receiving the interference area of balancing weight partially, and lead to the push rod wrench damage.
Before detecting the push rod, the counterweight block with fixed mass is mounted on the guide rod, two ends of the push rod are respectively fixed on the switching device and the torsion detection device, the torsion detection device is started, the torsion detection device controls the input shaft of the push rod to move upwards, the counterweight block is driven to move upwards after the input shaft of the push rod moves upwards, during the process that the push rod input shaft drives the balancing weight to move upwards, the torsion value borne by the motor shaft during rotation is tested, in the process of moving up the end part of the push rod input shaft, the displacement sensor tests the moving distance of the push rod input shaft, thereby obtain the extension length of push rod input shaft, the input shaft one end and the auto-change over device of push rod are connected, and the input shaft other end and the torsion detection device of push rod are connected, and first breach, second breach and third breach run through the setting from top to bottom in proper order, and the vertical setting of push rod is in first breach, second breach and third breach.
As shown in fig. 1 and 4, the switching device a includes a first fixing seat 31 and a second fixing seat 32 respectively disposed at two sides of the first gap 22 and corresponding to the top of the counterweight 2, the upper end of the first fixing seat 31 is provided with at least one first bayonet 311, one side of the first fixing seat 31 is provided with a push block 312, the push block 312 is provided with a locking pin 313 passing through the first bayonet 311 and a sliding pin 314 passing through the lower half of the first fixing seat 31, the end of the sliding pin 314 protrudes out of the first fixing seat 31 and is provided with a stopper 315, the first fixing seat and the second fixing seat are disposed to play a supporting role, and the push block is disposed to allow the locking pin and the sliding pin to be controlled simultaneously by the push block, the sliding pin plays a role of locking the pallet to maintain the pallet in a horizontal state, so that the push rod can push the pallet to realize a load, and the sliding pin can maintain the horizontal movement of the locking pin, the locking pin is prevented from inclining when moving, and the arrangement of the stop block can prevent the sliding pin from being separated from the first fixed seat; the upper end of the second fixed seat 32 is provided with a clamping plate 33 capable of turning up and down, the joint of the second fixed seat 32 and the clamping plate 33 is provided with at least one second bayonet 321, one side of the clamping plate 33 is provided with a first lug 331 rotatably connected with the second bayonet 321 through a pin shaft, the other side of the clamping plate 33 is provided with a second lug 332 corresponding to the first bayonet 311, the second lug 332 is provided with a through hole 333 for a locking pin 313 to pass through, and the clamping plate is arranged so as to form a block for the push rod, so that the push rod can drive the balancing weight to move simultaneously through the clamping plate to test data when the push rod is loaded, and the clamping plate can turn up when the locking pin leaves the through hole, so that the block for the push rod is cancelled, and then the data when the push rod is unloaded can be tested, so that the empty load switching of the push rod is realized, the structure is simple and easy to operate, and the practicability is greatly increased; a guide rail 14 connected with the top of the working box 1 penetrates through the second notch 111, a sliding block 141 capable of moving up and down is arranged on the guide rail 14, a fixed block 15 is arranged on one side, corresponding to the clamping plate 33, of the side wall of the sliding block 141, a supporting column 151 used for fixing one end of a push rod workpiece and connected with the fixed block 15 through a bolt is arranged on one side, facing the push block 312, of the fixed block 15, the guide rail and the sliding block are arranged, the movement of the fixed block can be supported, the fixed block can stably move along with the movement of the push rod input shaft, the input end of the push rod can be fixed through the arrangement of the supporting column, the push rod can drive a balancing weight to move up and down through the connection of the supporting column, and the stability of load testing is guaranteed; be equipped with annular positioning disk 152 on the lateral wall of support column 151, the bottom of cardboard 33 is equipped with the fluting 334 that is used for supplying support column 151 to pass, and the setting of above-mentioned annular positioning disk can keep the horizontality of support column, and turns about to the cardboard and step down, guarantees that the cardboard can lock completely, and grooved setting for step down to the support column, can carry on spacingly to support column horizontal direction's both sides simultaneously, avoids the support column skew about.
When the push rod is in a load state, the end part of the push rod input shaft is connected with the support column, the clamping plate is in a horizontal state, the second bump is located in the first clamping opening, the locking pin penetrates through the through hole, the second bump and the first clamping opening to lock the second bump in the clamping opening, the sliding pin moves along with the first fixing seat, the torsion detection device controls the push rod input shaft to move upwards, the push rod input shaft moves upwards to push the clamping plate to move upwards, the clamping plate drives the balancing weight to move upwards through the first fixing seat and the second fixing seat, and meanwhile, the fixing block moves upwards on the guide rail along with the upward movement of the clamping plate through the sliding block; under no-load state, the fitting pin leaves perforation and cardboard, and the cardboard upwards overturns, leaves the top of support column, and the input shaft of push rod moves up this moment to the support column is moved in the top, and the support column drives the fixed block and shifts up, and the fixed block drives the slider and removes on the slide rail.
As shown in fig. 1, the torsion detecting device b includes a worm transmission box 41 in transmission connection with the bottom end of the output shaft of the push rod workpiece and a motor 42 disposed on the second supporting plate 12, a transmission shaft 43 is disposed on the output shaft of the motor 42, the transmission shaft 43 is disposed through the worm transmission box 41 and is in transmission connection with the bottom end of the output shaft of the push rod workpiece, a torsion sensor 431 is disposed on the transmission shaft 43, the arrangement of the worm transmission box and the motor enables the motor to drive the input shaft of the push rod to move up and down through the worm transmission box, and the load drives the pressure of the input shaft of the push rod, so that the torsion of the output shaft of the motor can be increased, the torsion value of the input shaft of the push rod can be sensed through the torsion sensor, the torsion detection of the input shaft of the push rod can be realized, when the input shaft of the push rod detects the extension length, the torsion value of the input shaft of the push rod can be detected at the same time is reduced, the detection efficiency is improved; the worm transmission case and the torque sensor are existing products in the market at present, and are prior art, the description is omitted here, before the push rod is detected, the motor is started firstly, the motor output shaft drives the transmission shaft to rotate, the rotation of the transmission shaft enables the input shaft of the push rod to move upwards through the worm transmission case, and the torque sensor respectively senses the torque of the transmission shaft under the states of no load and load of the input shaft of the push rod.
As shown in fig. 1-2, the displacement sensor c includes a pull line sensor 51 disposed at the bottom of the first horizontal support plate 11, the pull line sensor 51 is fixed at the bottom of the first horizontal support plate 11 through a first bracket 511, a second bracket 512 is disposed at a thread end outlet of the pull line sensor 51, a pulley 513 is disposed at a lower end of the second bracket 512, a pull line in the pull line sensor 51 sequentially passes through the pulley 513, the second notch 111 and the first notch 22 and is connected to the fixed block 15, the pull line sensor is disposed to detect a moving distance of the fixed block, so that a detection of an extending distance of the push rod input shaft can be realized through synchronous movement of the fixed block and the push rod input shaft, and detection accuracy and detection efficiency are effectively improved; above-mentioned stay wire sensor is the existing product in the existing market, and for prior art, it is no longer repeated here, before the push rod input shaft moves up, the stay wire tip in the stay wire sensor passes the pulley and upwards extends to fixed block department, is connected with the fixed block, moves the back on the push rod input shaft, can drive the fixed block and shift up in step, and the fixed block pulling is acted as go-between and is shifted up in step, and the stay wire sensor response is at this moment the shift up distance of push rod input shaft to the realization is to the detection of the distance of stretching out of push rod input shaft.
Claims (3)
1. The utility model provides a push rod empty load switches detection device, includes work box (1), its characterized in that: be equipped with first horizontal support board (11) in work box (1) and locate second horizontal support board (12) of first horizontal support board (11) below, be equipped with a plurality of balancing weights (2) on first horizontal support board (11), be equipped with guide bar (13) of at least one vertical setting between the top of first horizontal support board (11) and work box (1), balancing weight (2) can vertical removal on guide bar (13), the top of balancing weight (2) is equipped with switching device (a) that is used for switching push rod empty load, be equipped with torsion detection device (b) that are used for detecting the torsion value of push rod input shaft one end on second horizontal support board (12), the bottom of first horizontal support board (12) is equipped with displacement sensor (c) that are used for detecting the distance that stretches out of the push rod input shaft other end, be equipped with guide bar (13) matched with uide bushing (21) on balancing weight (2) and be used for the push rod work piece to wear A first notch (22) is arranged, a plurality of second notches (111) which are used for a push rod workpiece to pass through and correspond to the first notches (22) are arranged on the first horizontal support plate (11), the switching device (a) comprises a first fixing seat (31) and a second fixing seat (32) which are respectively arranged at two sides of the first notch (22) and correspond to the top of the balancing weight (2), at least one first bayonet (311) is arranged at the upper end of the first fixing seat (31), a push block (312) is arranged at one side of the first fixing seat (31), a locking pin (313) passing through the first bayonet (311) and a sliding pin (314) passing through the lower half part of the first fixing seat (31) are arranged on the push block (312), the tail end of the sliding pin (314) protrudes out of the first fixing seat (31) and is provided with a stop block (315), and a clamping plate (33) capable of turning up and down is arranged at the upper end of the second fixing seat (32), the connecting part of the second fixed seat (32) and the clamping plate (33) is provided with at least one second bayonet (321), one side of the clamping plate (33) is provided with a first lug (331) rotatably connected with the second bayonet (321) through a pin shaft, the other side of the clamping plate (33) is provided with a second lug (332) corresponding to the first bayonet (311), the second lug (332) is provided with a through hole (333) for a locking pin (313) to pass through, a guide rail (14) connected with the top of the working box (1) penetrates through the second notch (111), the guide rail (14) is provided with a sliding block (141) capable of moving up and down, one side of the side wall of the sliding block (141) corresponding to the clamping plate (33) is provided with a fixed block (15), one side of the fixed block (15) facing the pushing block (312) is provided with a support column (151) used for fixing one end of a push rod workpiece and connected with the fixed block (15) through a bolt, torsion detection device (a) include with push rod work piece output shaft bottom transmission be connected worm transmission case (41) with locate motor (42) on second backup pad (12), be equipped with transmission shaft (43) on the output shaft of motor (42), transmission shaft (43) wear to locate on worm transmission case (41) and be connected with the bottom transmission of push rod work piece output shaft, be equipped with torque sensor (431) on transmission shaft (43), displacement sensor (c) are including locating bracing wire sensor (51) of first horizontal support board (11) bottom, bracing wire sensor (51) are fixed in the bottom of first horizontal support board (11) through first support (511), the end of a thread exit of bracing wire sensor (51) is equipped with second support (512), the lower extreme of second support (512) is equipped with pulley (513), the bracing wire in bracing wire sensor (51) passes pulley (513) in proper order, The second notch (111) and the first notch (22) are connected with the fixed block (15).
2. The push rod empty load switching detection device according to claim 1, characterized in that: and a plurality of third notches (121) which are used for the push rod workpiece to pass through and correspond to the second notches (111) are arranged on the second horizontal supporting plate (12).
3. The push rod empty load switching detection device according to claim 1, characterized in that: the side wall of the supporting column (151) is provided with an annular positioning disc (152), and the bottom of the clamping plate (33) is provided with a slot (334) for the supporting column (151) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374184.XA CN112611492B (en) | 2020-11-30 | 2020-11-30 | Push rod empty load switching detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374184.XA CN112611492B (en) | 2020-11-30 | 2020-11-30 | Push rod empty load switching detection device |
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| Publication Number | Publication Date |
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| CN112611492A CN112611492A (en) | 2021-04-06 |
| CN112611492B true CN112611492B (en) | 2022-05-24 |
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| CN202011374184.XA Active CN112611492B (en) | 2020-11-30 | 2020-11-30 | Push rod empty load switching detection device |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208795292U (en) * | 2018-11-07 | 2019-04-26 | 扬州电力设备修造厂有限公司 | Electric pushrod test device |
| CN209182008U (en) * | 2018-11-15 | 2019-07-30 | 横店集团英洛华电气有限公司 | A kind of load of electric pushrod and stroke test device |
| CN208833299U (en) * | 2018-11-15 | 2019-05-07 | 横店集团英洛华电气有限公司 | A kind of electric pushrod test device |
| CN109736868B (en) * | 2018-12-11 | 2020-07-28 | 中国矿业大学 | Fully mechanized mining face hydraulic support push rod pose sensing device, fully mechanized mining face hydraulic support push rod mechanism and fully mechanized mining face hydraulic support push rod method |
| CN110686728B (en) * | 2019-10-24 | 2020-06-30 | 绍兴新益流体传动机械有限公司 | Full-automatic electric push rod combined test stand |
| CN111024382B (en) * | 2019-12-26 | 2020-09-08 | 浙江新益智能驱动科技有限公司 | Bilateral electric push rod load comprehensive test bench |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220314 Address after: 322100 Hengdian Electronic Industrial Park, Dongyang City, Jinhua City, Zhejiang Province Applicant after: ZHEJIANG LINIX MOTOR Co.,Ltd. Address before: 322118 No. 196 Industrial Avenue, Hengdian Electronic Industrial Park, Dongyang City, Jinhua City, Zhejiang Province Applicant before: HENGDIAN GROUP INNUOVO ELECTRIC Co.,Ltd. |
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Denomination of invention: Pusher empty load switching detection device Effective date of registration: 20221228 Granted publication date: 20220524 Pledgee: Dongyang sub branch of Bank of China Ltd. Pledgor: ZHEJIANG LINIX MOTOR Co.,Ltd. Registration number: Y2022980029414 |
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