CN211042990U - Electric heating tube shell strength detection equipment - Google Patents
Electric heating tube shell strength detection equipment Download PDFInfo
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- CN211042990U CN211042990U CN201922142549.5U CN201922142549U CN211042990U CN 211042990 U CN211042990 U CN 211042990U CN 201922142549 U CN201922142549 U CN 201922142549U CN 211042990 U CN211042990 U CN 211042990U
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Abstract
The utility model relates to the technical field of detection equipment, in particular to an electric heating pipe shell strength detection equipment; the impact force is increased, the test is easy to approach the real collision test, and the use reliability of the equipment is improved; the bottom plate, bottom plate top left side and top right side are all fixed and are provided with the backup pad, backup pad middle part upside is provided with the roof, first connecting hole internal fixation is provided with the cylinder, the cylinder downside is provided with first fixed plate, first fixed plate bottom middle part is fixed and is provided with pressure sensor, the pressure sensor bottom is provided with the impact block, still include the motor, the fixed second fixed plate that is provided with of cylinder output, second fixed plate top left side and top right side all are provided with two sets of third fixed plates, all be provided with first threaded rod between the two sets of third fixed plates in left side and between the two sets of third fixed plates in right side, the two sets of third fixed plate front sides in front side are provided with the transmission.
Description
Technical Field
The utility model relates to a check out test set's technical field especially relates to an electric heating pipe shell intensity check out test set.
Background
As is well known, the electrical heating tube shell strength detection equipment is a device used for detecting the shell strength in the process of detecting the electrical heating tube shell, can represent the detection result, and is widely used in the field of detection equipment; the existing electric heating tube shell strength detection equipment comprises a bottom plate, wherein supporting plates are fixedly arranged on the left side of the top end and the right side of the top end of the bottom plate, a top plate is arranged on the upper side of the middle part of each supporting plate, a first connecting hole is formed in the middle part of the top plate, an air cylinder is fixedly arranged in each first connecting hole, a first fixing plate is arranged on the lower side of each air cylinder, a pressure sensor is fixedly arranged in the middle of the bottom end of each first fixing plate, an impact block is arranged at the; when the electric heating tube shell strength detection equipment is used, a shell is placed at the top end of a bottom plate, an air cylinder drives a first fixing plate to move downwards, the bottom end of an impact block is in contact with and is pressed against the top end of the shell, the pressure which can be borne by the shell is tested, a pressure sensor transmits a pressure value to a computer, and the computer processes and evaluates data; the electric heating tube shell strength detection equipment is used for finding that the impact of force is lacked during testing, and the shell is easy to collide and impact during displaying, so that the use reliability of the test is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an increase the impact force, be close the test of reality collision more easily, improve equipment's use reliability's electric heating tube shell intensity check out test set.
The utility model discloses an electric heating tube shell intensity detection equipment, including the bottom plate, bottom plate top left side and top right side all are fixed and are provided with the backup pad, and backup pad middle part upside is provided with the roof, and the roof middle part is provided with first connecting hole, and the first connecting hole internal fixation is provided with the cylinder, and the cylinder downside is provided with first fixed plate, and first fixed plate bottom middle part is fixed and is provided with pressure sensor, and the pressure sensor bottom is provided with the impact block, and pressure sensor is connected with the computer electricity; the transmission mechanism also comprises a motor, a second fixed plate is fixedly arranged at the output end of the air cylinder, two groups of third fixed plates are respectively arranged on the left side and the right side of the top end of the second fixed plate, first threaded rods are respectively arranged between the two groups of third fixed plates on the left side and between the two groups of third fixed plates on the right side, the front ends and the rear ends of the two groups of first threaded rods are respectively and rotatably connected with the rear ends of the two groups of third fixed plates on the front side and the front ends of the two groups of third fixed plates on the rear side, transmission wheels are arranged on the front sides of the two groups of third fixed plates on the front side, connecting shafts are respectively arranged on the rear ends of the two groups of transmission wheels, the rear ends of the two groups of connecting shafts are respectively connected with the front ends of the two groups of first threaded rods after passing through the two groups of third fixed plates on the front side and the rear side, the two groups of first threaded rods are, two sets of first threaded rod lateral wall front sides and the equal screw sleeve in rear side are equipped with the screwed pipe, four group's screwed pipe bottoms are all fixed and are provided with the fourth fixed plate, second fixed plate left side and right side all are provided with long type hole, two sets of long type holes are passed respectively to four group's fourth fixed plate bottoms, four group's fourth fixed plate bottoms are all fixed and are provided with the fixed bolster, two sets of backup pad middle parts all are provided with the slide, all be provided with the slider in two sets of slides, left side slider right-hand member and right side slider left end are all fixed and are provided with first connecting plate, left side first connecting plate right-hand member and the first connecting plate left end in right side are connected with first fixed plate left end and right-hand member respectively, four.
The utility model discloses an electric heating tube shell intensity check out test set still includes two sets of electric telescopic handle, and two sets of electric telescopic handle are fixed respectively and are set up in bottom plate top left side and top right side, and two sets of electric telescopic handle outputs are all fixed and are provided with U type frame, and left side slider left end and right side slider right-hand member are all fixed and are provided with the second connecting plate, and left side second connecting plate left side and right side second connecting plate right-hand member are all fixed and are provided with the third connecting plate, and two sets of U type frame inside walls contact with two sets of third connecting plate lateral walls.
The utility model discloses an electric heating tube shell intensity check out test set still includes two sets of bolts, strikes piece top left side and top right side respectively with first fixed plate bottom left side and bottom right side contact, strikes piece left side and right side and all is provided with the second connecting hole, first fixed plate bottom left side and bottom right side all are provided with the thread groove, and two sets of bolt tops are passed respectively behind two sets of second connecting holes respectively the spiral shell dress insert to two sets of thread grooves.
The utility model discloses an electric heating tube shell intensity check out test set still includes the second threaded rod, the fixed first splint that are provided with in bottom plate top left side, bottom plate top right side is provided with the spacing groove, the spacing inslot is provided with the stopper, the fixed second splint that are provided with in stopper top, the bottom plate right-hand member is provided with the screw hole, screw hole left end and spacing groove right-hand member intercommunication, second threaded rod left end screw assembly pass behind the screw hole with stopper right-hand member rotatable coupling, the fixed handle that is provided with of second threaded rod right-hand member.
The utility model discloses an electric heating tube shell intensity check out test set, two sets of U type frame inside walls are all fixed and are provided with the skid resistant course, and two sets of skid resistant courses top contacts with two sets of third connecting plates bottom respectively.
The utility model discloses an electric heating tube shell intensity check out test set, bottom plate bottom left front side, left rear side, right front side and right rear side are all fixed and are provided with the landing leg.
The utility model discloses an electric heating tube shell intensity check out test set, four landing leg bottoms of group are all fixed and are provided with the rubber pad.
The utility model discloses an electric heating tube shell intensity check out test set, the fixed anchor frame that is provided with of motor lateral wall, the anchor frame front end is connected with left rear side third fixed plate front end.
Compared with the prior art, the beneficial effects of the utility model are that: when the first fixing plate is fixed, the motor drives the left first threaded rod to rotate, the left transmission wheel rotates along with the left first threaded rod, the right transmission wheel rotates along with the right transmission wheel under the transmission action of the conveyor belt, the two sets of transmission wheels rotate along with the two sets of first threaded rods, the two sets of threaded pipes on the front side move forwards along with the two sets of threaded pipes on the rear side under the arrangement of the thread direction, the two sets of fixing frames on the front side move backwards along with the two sets of threaded pipes on the rear side, the two sets of fixing frames on the rear side move forwards, the two sets of fixing frames can fix the two sets of first connecting plates, when a test is carried out, the motor rotates reversely, the four sets of fixing frames lose the fixation of the two sets of first connecting plates after the four sets of fixing frames move reversely, at the moment, the two sets of first connecting plates and the first fixing plate both move downwards under the, the setting of two sets of sliders can improve the stability of first fixed plate and impact piece downstream, and impact piece downstream strikes as for the shell top, restores the impact force that receives in the shell use more, improves test equipment's use reliability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a left side view of a partial structure;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of portion B of FIG. 1;
FIG. 5 is an enlarged view of portion C of FIG. 1;
in the drawings, the reference numbers: 1. a base plate; 2. a support plate; 3. a top plate; 4. a cylinder; 5. a first fixing plate; 6. a pressure sensor; 7. an impact block; 8. a motor; 9. a second fixing plate; 10. a third fixing plate; 11. a first threaded rod; 12. a transmission wheel; 13. a conveyor belt; 14. a threaded pipe; 15. fixing a bracket; 16. a slider; 17. a first connecting plate; 18. an electric telescopic rod; 19. a U-shaped frame; 20. a second connecting plate; 21. a third connecting plate; 22. a bolt; 23. a second threaded rod; 24. a first splint; 25. a limiting block; 26. a second splint; 27. a handle; 28. a support leg; 29. a rubber pad; 30. and (7) reinforcing the frame.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the utility model discloses an electric heating tube shell strength detection device, which comprises a bottom plate 1, wherein a supporting plate 2 is fixedly arranged on the left side of the top end and the right side of the top end of the bottom plate 1, a top plate 3 is arranged on the upper side of the middle part of the supporting plate 2, a first connecting hole is arranged in the middle part of the top plate 3, a cylinder 4 is fixedly arranged in the first connecting hole, a first fixing plate 5 is arranged on the lower side of the cylinder 4, a pressure sensor 6 is fixedly arranged in the middle part of the bottom end of the first fixing plate 5, an impact block 7 is arranged at the; the device also comprises a motor 8, a second fixed plate 9 is fixedly arranged at the output end of the air cylinder 4, two groups of third fixed plates 10 are respectively arranged at the left side and the right side of the top end of the second fixed plate 9, first threaded rods 11 are respectively arranged between the two groups of third fixed plates 10 at the left side and between the two groups of third fixed plates 10 at the right side, the front ends and the rear ends of the two groups of first threaded rods 11 are respectively and rotatably connected with the rear ends of the two groups of third fixed plates 10 at the front side and the front ends of the two groups of third fixed plates 10 at the rear side, transmission wheels 12 are arranged at the front sides of the two groups of third fixed plates 10 at the front side, connecting shafts are respectively arranged at the rear ends of the two groups of transmission wheels 12, the rear ends of the two groups of connecting shafts are respectively connected with the front ends of the two groups of first threaded rods 11 after passing through the two groups of third fixed plates 10 at the front side, the two groups of transmission, the front side threads and the rear side threads of the two groups of first threaded rods 11 are opposite, threaded pipes 14 are sleeved on the front sides and the rear sides of the outer side walls of the two groups of first threaded rods 11 in a threaded mode, fourth fixing plates are fixedly arranged at the bottom ends of the four groups of threaded pipes 14, long holes are formed in the left sides and the right sides of the second fixing plates 9, the bottom ends of the four groups of fourth fixing plates penetrate through the two groups of long holes respectively, fixing supports 15 are fixedly arranged at the bottom ends of the four groups of fourth fixing plates, slideways are arranged in the middle parts of the two groups of supporting plates 2, sliders 16 are arranged in the two groups of slideways, first connecting plates 17 are fixedly arranged at the right ends of the left sliders 16 and the left ends of the right sliders 16, the right ends of the left sliders and the right sliders 17, the right ends of the first connecting plates 17 on the left; when the first fixing plate is fixed, the motor drives the left first threaded rod to rotate, the left transmission wheel rotates along with the left first threaded rod, the right transmission wheel rotates along with the right transmission wheel under the transmission action of the conveyor belt, the two sets of transmission wheels rotate along with the two sets of first threaded rods, the two sets of threaded pipes on the front side move forwards along with the two sets of threaded pipes on the rear side under the arrangement of the thread direction, the two sets of fixing frames on the front side move backwards along with the two sets of threaded pipes on the rear side, the two sets of fixing frames on the rear side move forwards, the two sets of fixing frames can fix the two sets of first connecting plates, when a test is carried out, the motor rotates reversely, the four sets of fixing frames lose the fixation of the two sets of first connecting plates after the four sets of fixing frames move reversely, at the moment, the two sets of first connecting plates and the first fixing plate both move downwards under the, the setting of two sets of sliders can improve the stability of first fixed plate and impact piece downstream, and impact piece downstream strikes as for the shell top, restores the impact force that receives in the shell use more, improves test equipment's use reliability.
The utility model discloses an electric heating tube shell intensity check out test set, still include two sets of electric telescopic handle 18, two sets of electric telescopic handle 18 are fixed respectively and are set up in 1 top left side of bottom plate and top right side, 18 output ends of two sets of electric telescopic handle are all fixed and are provided with U type frame 19, 16 left ends of left side slider and 16 right ends of right side slider are all fixed and are provided with second connecting plate 20, 20 left sides of left side second connecting plate and 20 right ends of right side second connecting plate are all fixed and are provided with third connecting plate 21, two sets of U type frame 19 inside walls are contacted with 21 lateral walls of two sets of third connecting plates respectively; after the test, two sets of telescopic links drive two sets of third connecting plates and all the rebound, under the connection effect of second connecting plate, first fixed plate and impact block rebound thereupon, remove to a certain position after, the mount is fixed two sets of first connecting plates, the setting of telescopic link has improved the degree of automation of equipment, has reduced the artifical phenomenon that removes it.
The utility model discloses an electric heating tube shell intensity check out test set still includes two sets of bolts 22, strikes 7 top left sides and top right sides and respectively with 5 bottom left sides and the bottom right side of first fixed plate contact, strikes 7 left sides and right sides and all is provided with the second connecting hole, 5 bottom left sides and the bottom right sides of first fixed plate all are provided with the thread groove, two sets of bolts 22 tops pass two sets of second connecting holes respectively after the spiral shell dress inserts to two sets of thread grooves respectively; when changing the impact block of different weight, can change the impact block with two sets of bolt reverse back of screwing down, improve equipment's use reliability, increase the variable of test simultaneously.
The utility model discloses an electric heating tube shell intensity check out test set, still include second threaded rod 23, 1 top left side of bottom plate is fixed and is provided with first splint 24, 1 top right side of bottom plate is provided with the spacing groove, be provided with stopper 25 in the spacing groove, stopper 25 top is fixed and is provided with second splint 26, 1 right-hand member of bottom plate is provided with the screw hole, the screw hole left end communicates with the spacing groove right-hand member, second threaded rod 23 left end screw dress passes the screw hole after with stopper 25 right-hand member rotatable coupling, second threaded rod 23 right-hand member is fixed and is provided with handle 27; the shell is placed on the top end of the bottom plate, the handle is rotated, the second threaded rod rotates along with the handle, the second threaded rod moves to the left, the limiting block moves to the left along with the second threaded rod, the second clamping plate moves to the left along with the second threaded rod, and the second clamping plate and the first clamping plate can fix the shell, so that the stability of the shell is improved.
The utility model discloses an electric heating tube shell intensity detection equipment, two sets of U-shaped frame 19 inside walls are all fixed and provided with the skid resistant course, the top ends of the two sets of skid resistant courses are respectively contacted with the bottom ends of two sets of third connecting plates 21; the friction of the U-shaped frame can be improved by the aid of the anti-slip layer, and slip between the anti-slip layer and the third connecting plate is reduced.
The utility model discloses an electric heating tube shell strength detection device, the left front side, the left back side, the right front side and the right back side of the bottom end of a bottom plate 1 are all fixedly provided with supporting legs 28; the landing leg can support equipment, improves its stability.
In the device for detecting the strength of the shell of the electric heating tube, the bottom ends of four groups of supporting legs 28 are fixedly provided with rubber pads 29; the rubber pad can improve the frictional force of landing leg bottom, reduces the slip phenomenon of landing leg bottom.
The utility model discloses an electric heating tube shell intensity detection equipment, the outer side wall of the motor 8 is fixedly provided with a reinforcing frame 30, and the front end of the reinforcing frame 30 is connected with the front end of the left rear third fixing plate 10; the reinforcing frame can improve the stability of the motor.
The utility model discloses an electric heating tube shell intensity check out test set, when using, place the shell on the bottom plate top, rotate the handle, the second threaded rod rotates thereupon, the second threaded rod wants left movement thereupon, the stopper moves left thereupon, the second splint move left thereupon, the second splint can fix the shell with first splint, adjust the weight of impact block according to the size of the impact force that needs, after two sets of bolts reverse spiral, change the impact block, fix the first fixed plate, the motor drives left side first threaded rod and rotates, left side transmission wheel rotates thereupon, under the transmission of conveyer belt, right side transmission wheel rotates thereupon, two sets of first threaded rods rotate thereupon when two sets of transmission wheels rotate, under the setting of screw direction, when two sets of screwed pipe in the front side moved backwards, the two groups of screwed pipes on the rear side move forwards along with the two groups of fixing frames on the front side move backwards along with the two groups of fixing frames on the rear side, the four groups of fixing frames can fix the two groups of first connecting plates, the air cylinder drives the second fixing plate to move up and down to adjust the height of the impact block, when a test is carried out, the motor rotates reversely, the four groups of fixing frames lose the fixation of the two groups of first connecting plates after moving reversely, at the moment, the two groups of first connecting plates and the first fixing plate both move downwards under the action of gravity, the two groups of sliding blocks respectively move downwards from the two groups of slideways, the arrangement of the two groups of sliding blocks can improve the stability of the first fixing plate and the impact block moving downwards, the impact block moves downwards to the top end of the shell to impact force applied to the shell in the using process and drives the two groups of third connecting plates to move upwards after the test is finished, under the connection effect of second connecting plate, first fixed plate and impact block rebound thereupon, remove to a locating position after, the mount is fixed two sets of first connecting plates, and the setting of telescopic link has improved the degree of automation of equipment, has reduced the manual work and has carried out the phenomenon that removes to it.
The utility model discloses an electric heating tube shell strength detection device, the installation mode, the connection mode or the setting mode of which are common mechanical modes, and the detection device can be implemented as long as the beneficial effects can be achieved; and its motor, cylinder and electric telescopic handle all are from taking control module and electric wire, insert the electricity and can use, do not change its inner structure, and from taking the service instruction, relevant field technical personnel accessible service instruction uses.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The strength detection equipment for the shell of the electric heating tube comprises a bottom plate (1), wherein a supporting plate (2) is fixedly arranged on the left side of the top end and the right side of the top end of the bottom plate (1), a top plate (3) is arranged on the upper side of the middle part of the supporting plate (2), a first connecting hole is formed in the middle part of the top plate (3), an air cylinder (4) is fixedly arranged in the first connecting hole, a first fixing plate (5) is arranged on the lower side of the air cylinder (4), a pressure sensor (6) is fixedly arranged in the middle part of the bottom end of the first fixing plate (5), an impact block (7) is arranged at the; the device is characterized by also comprising a motor (8), a second fixed plate (9) is fixedly arranged at the output end of the air cylinder (4), two groups of third fixed plates (10) are respectively arranged at the left side and the right side of the top end of the second fixed plate (9), first threaded rods (11) are respectively arranged between the two groups of third fixed plates (10) at the left side and between the two groups of third fixed plates (10) at the right side, the front ends and the rear ends of the two groups of first threaded rods (11) are respectively and rotatably connected with the rear ends of the two groups of third fixed plates (10) at the front side and the front ends of the two groups of third fixed plates (10) at the rear side, transmission wheels (12) are arranged at the front sides of the two groups of third fixed plates (10) at the front side, connecting shafts are respectively and fixedly arranged at the rear ends of the two groups of transmission wheels (12) after passing through the two groups of third fixed plates (10) at the front side, the motor (8) is arranged at the rear side of the left rear side third fixing plate (10), the output end of the motor (8) penetrates through the left rear side third fixing plate (10) and then is connected with the rear end of the left side first threaded rod (11), the front side threads and the rear side threads of the two groups of first threaded rods (11) are opposite, threaded pipes (14) are sleeved on the front side and the rear side of the outer side wall of the two groups of first threaded rods (11), fourth fixing plates are fixedly arranged at the bottom ends of the four groups of threaded pipes (14), long holes are formed in the left side and the right side of the second fixing plate (9), the bottom ends of the four groups of fourth fixing plates respectively penetrate through the two groups of long holes, fixing supports (15) are fixedly arranged at the bottom ends of the four groups of fourth fixing plates, slideways are arranged at the middle parts of the two groups of supporting plates (2), sliders (16) are arranged in the two groups of slideways, first connecting plates (, the right end of the first left connecting plate (17) and the left end of the first right connecting plate (17) are connected with the left end and the right end of the first fixing plate (5) respectively, and the inner side walls of the four groups of fixing supports (15) are in contact with the outer side walls of the two groups of first connecting plates (17) respectively.
2. The electric heating tube shell strength detection equipment as claimed in claim 1, further comprising two sets of electric telescopic rods (18), wherein the two sets of electric telescopic rods (18) are respectively and fixedly arranged on the left side and the right side of the top end of the bottom plate (1), the output ends of the two sets of electric telescopic rods (18) are respectively and fixedly provided with a U-shaped frame (19), the left end of the left side sliding block (16) and the right end of the right side sliding block (16) are respectively and fixedly provided with a second connecting plate (20), the left end of the left side second connecting plate (20) and the right end of the right side second connecting plate (20) are respectively and fixedly provided with a third connecting plate (21), and the inner side walls of the two sets of U-shaped frames (19).
3. The electric heating tube shell strength detection device as claimed in claim 2, further comprising two sets of bolts (22), wherein the left side of the top end and the right side of the top end of the impact block (7) are respectively contacted with the left side of the bottom end and the right side of the bottom end of the first fixing plate (5), the left side and the right side of the impact block (7) are respectively provided with a second connecting hole, the left side of the bottom end and the right side of the bottom end of the first fixing plate (5) are respectively provided with a threaded groove, and the top ends of the two sets of bolts (22) are respectively inserted into the two sets of threaded grooves after respectively passing through the two.
4. The electric heating tube shell strength detection equipment according to claim 3, further comprising a second threaded rod (23), wherein a first clamping plate (24) is fixedly arranged on the left side of the top end of the bottom plate (1), a limiting groove is formed in the right side of the top end of the bottom plate (1), a limiting block (25) is arranged in the limiting groove, a second clamping plate (26) is fixedly arranged on the top end of the limiting block (25), a threaded hole is formed in the right end of the bottom plate (1), the left end of the threaded hole is communicated with the right end of the limiting groove, the left end of the second threaded rod (23) is in threaded connection with the right end of the limiting block (25) after penetrating through the threaded hole, and a handle (27) is.
5. The apparatus for testing the strength of the casing of an electric heating tube as claimed in claim 4, wherein the two sets of U-shaped frames (19) are each provided with an anti-slip layer, and the top ends of the two sets of anti-slip layers are respectively in contact with the bottom ends of the two sets of third connecting plates (21).
6. The apparatus for testing the strength of the outer shell of the electric heating tube as claimed in claim 5, wherein the bottom end of the bottom plate (1) is fixedly provided with legs (28) at the left front side, the left rear side, the right front side and the right rear side.
7. The apparatus for testing the strength of the casing of an electric heating tube as claimed in claim 6, wherein the bottom ends of the four sets of legs (28) are fixedly provided with rubber pads (29).
8. The electric heating tube housing strength detection device as claimed in claim 7, wherein a reinforcing frame (30) is fixedly arranged on the outer side wall of the motor (8), and the front end of the reinforcing frame (30) is connected with the front end of the left rear third fixing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922142549.5U CN211042990U (en) | 2019-12-03 | 2019-12-03 | Electric heating tube shell strength detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922142549.5U CN211042990U (en) | 2019-12-03 | 2019-12-03 | Electric heating tube shell strength detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042990U true CN211042990U (en) | 2020-07-17 |
Family
ID=71535342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922142549.5U Expired - Fee Related CN211042990U (en) | 2019-12-03 | 2019-12-03 | Electric heating tube shell strength detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211042990U (en) |
-
2019
- 2019-12-03 CN CN201922142549.5U patent/CN211042990U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20211203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |