CN215339195U - Screw rod tensile strength detection device - Google Patents
Screw rod tensile strength detection device Download PDFInfo
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- CN215339195U CN215339195U CN202023262273.3U CN202023262273U CN215339195U CN 215339195 U CN215339195 U CN 215339195U CN 202023262273 U CN202023262273 U CN 202023262273U CN 215339195 U CN215339195 U CN 215339195U
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012351 Integrated analysis Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000002492 Rungia klossii Nutrition 0.000 description 1
- 244000117054 Rungia klossii Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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Abstract
The utility model discloses a screw tensile strength detection device, which comprises a workbench, a fixed detection structure and a movable detection structure, wherein the workbench is provided with a plurality of working positions; a working plate table: the right side of the upper surface of the workbench is symmetrically provided with slide rails, the upper ends of the two slide rails are connected with supporting plates in a sliding manner, the bottom surface of the supporting plate at the right end is fixedly connected with the right side of the upper surface of the workbench, the two supporting plates are correspondingly arranged, the middle part of the upper surface of the workbench is provided with a fixed plate, hydraulic pumps and telescopic columns are respectively arranged in mounting ports at the front end and the rear end of the fixed plate, a hydraulic oil outlet of each hydraulic pump is connected with an oil inlet of the telescopic column at the same side, and the left end of the telescopic end of each telescopic column is fixedly connected with the right side of the supporting plate at the left end; fixing a detection structure: the upper surfaces of the two supporting plates are symmetrically arranged; the movement detection structure comprises: set up in the upper surface front end of work board platform, this screw rod tensile strength detection device realizes the high-efficient detection of screw rod tensile strength, and equipment structure is simple, and convenient operation alleviates staff's burden.
Description
Technical Field
The utility model relates to the technical field of high-precision tapping production, in particular to a device for detecting the tensile strength of a screw.
Background
The screw rod is a cylinder with a spiral groove cut on the outer surface or a cone with a conical spiral groove cut on the outer surface, and is mainly used for connecting and fastening various equipment such as mechanical equipment, railway infrastructure, industry, civil use and the like, the screw rod mainly bears axial force and can bear shearing and extrusion stress generated by certain radial force, the tensile strength of the screw rod and the like at important parts needs to be detected before use, and the tensile strength is checked and detected according to the tensile force and the tensile value provided by a manufacturer so as to ensure the safety of the equipment in use.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a device for detecting the tensile strength of a screw, which realizes the efficient detection of the tensile strength of the screw, has a simple equipment structure and convenient operation, reduces the burden of workers, and can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a screw tensile strength detection device comprises a workbench, a fixed detection structure and a movable detection structure;
a working plate table: the right side of the upper surface of the workbench is symmetrically provided with slide rails, the upper ends of the two slide rails are connected with supporting plates in a sliding manner, the bottom surface of the supporting plate at the right end is fixedly connected with the right side of the upper surface of the workbench, the two supporting plates are correspondingly arranged, the middle part of the upper surface of the workbench is provided with a fixed plate, hydraulic pumps and telescopic columns are respectively arranged in mounting ports at the front end and the rear end of the fixed plate, a hydraulic oil outlet of each hydraulic pump is connected with an oil inlet of the telescopic column at the same side, and the left end of the telescopic end of each telescopic column is fixedly connected with the right side of the supporting plate at the left end;
fixing a detection structure: the upper surfaces of the two supporting plates are symmetrically arranged;
the movement detection structure comprises: the front end of the upper surface of the workbench is provided with a positioning hole;
wherein: the leading flank of work plate platform is equipped with the PLC controller, and external power source is connected to the input electricity of PLC controller, and the output of PLC controller is connected to the input electricity of hydraulic pump, realizes the high-efficient detection of screw rod tensile strength, and equipment structure is simple, and convenient operation alleviates staff's burden.
Further, the fixed detection structure comprises a screw rod, an internal thread ring, a pressure sensor, a screw, an adjusting plate and a first chute, first spout symmetry sets up in the upper surface of two backup pads, the equal sliding connection in inside of first spout has the regulating plate of symmetric distribution, screw hole all with the screw threaded connection of homonymy on two regulating plates that vertically correspond, two regulating plate left surfaces of left end and two regulating plate right flanks of right-hand member all are equipped with pressure sensor, the screw rod is placed in the upper surface middle part of two backup pads, the both ends of screw rod are located between two regulating plates that vertically correspond, the equal threaded connection in outside end department of screw rod has the internal thread ring, the internal thread ring corresponds the setting with two pressure sensor of homonymy, the input of PLC controller is connected to pressure sensor's output electricity, the pulling force that bears the screw rod carries out real-time detection.
Further, the removal detects the structure and includes second spout, slide, range finding sensor, including a motor, an end cap, a controller, and a cover plate, the second spout sets up in the upper surface front end of work board platform, the inside sliding connection of second spout has the slide, the upper surface middle part of slide is equipped with the right angle backup pad, the horizontal plate body bottom surface rear end of right angle backup pad is equipped with range finding sensor, the motor sets up in the bottom surface front end of work board platform, the output shaft of motor passes through the bearing and rotates with the plate body through-hole of work board platform to be connected and extend to the top of work board platform, the output shaft upper end of motor is equipped with the gear, the gear is connected with the tooth meshing of slide trailing flank, the output of PLC controller is connected to the input electricity of motor, the input of PLC controller is connected to range finding sensor's output electricity, detect whether the screw rod by tensile deformation.
Furthermore, the vertical height of fixed plate is less than the vertical height of backup pad, and the upper surface of backup pad all is equipped with the scale mark, avoids fixed plate and screw rod middle part contact and influences the tensile strength detection of screw rod.
Further, the bottom surface symmetry of work pallet table is equipped with the support frame, all is equipped with vertical board between the inside bottom surface of support frame and the work pallet table bottom surface, realizes the stable support of work pallet table and top structure.
Compared with the prior art, the utility model has the beneficial effects that: this screw rod tensile strength detection device has following benefit:
1. because the threaded holes at the upper ends of two adjusting plates which are longitudinally corresponding are in threaded connection with the screws at the same side, the two screws are adjusted, the inner side surfaces of the adjusting plates which are longitudinally corresponding can be in contact with the screws which are placed in the middle parts of the upper surfaces of the two supporting plates, the outer ends of the screws are in threaded connection with the internal thread rings, the internal thread rings are adjusted, the right end surface of the internal thread ring at the left end is in contact with the two pressure sensors at the left end, the left end surface of the internal thread ring at the right end is in contact with the two pressure sensors at the right end, then the two hydraulic pumps synchronously operate through the regulation and control of the PLC controller, the telescopic columns at the same side are driven by the hydraulic oil output port to telescopically operate, the supporting plate at the left end is pushed leftwards, the supporting plate at the left end is moved leftwards along the two slide rails, the inner end surface of the internal thread ring and the two pressure sensors at the same side generate pressure, and the sensed pressure is presented to the PLC controller for integration and analysis by the pressure sensors, and displaying information on an external display screen through the PLC, and detecting the tensile force borne by the screw rod in real time.
2. Through the regulation and control of the PLC controller, the motor operates, the output shaft rotates to drive the gear to rotate, the sliding plate is connected with the inner part of the second chute in a sliding way, the gear is meshed and connected with teeth on the rear side surface of the sliding plate, the gear can drive the sliding plate to reciprocate left and right along the second chute, further the right-angle support plate can drive the distance measuring sensor to reciprocate left and right, the distance measuring sensor can sense the distance between the distance measuring sensor and the surface of the screw and present information to the PLC controller for integration and analysis, the distance curve sensed by the distance measuring sensor is displayed on an external display screen through the PLC controller, when the distance curve sensed by the distance measuring sensor abnormally fluctuates, the screw is described to be stretched and deformed, the stretching resistance strength of the screw can be calculated through the pressure values sensed by the four pressure sensors at the moment, further the high-efficiency detection of the stretching resistance strength of the screw is realized, and the equipment structure is simple, the operation is convenient, and the burden of workers is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1 work pallet, 2PLC controller, 3 slide rails, 4 backup pads, 5 fixed detection structures, 51 screw rods, 52 internal thread rings, 53 pressure sensor, 54 screw, 55 regulating plate, 56 first spout, 6 removal detection structures, 61 second spout, 62 slide, 63 distance measuring sensor, 64 motor, 65 gear, 66 right angle backup pad, 7 fixed plate, 8 hydraulic pump, 9 flexible post, 10 scale marks, 11 vertical board, 12 support frames.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1, the present invention provides a technical solution: a screw tensile strength detection device comprises a workbench 1, a fixed detection structure 5 and a movable detection structure 6;
work bench 1: the right side of the upper surface of the sliding rail is symmetrically provided with the sliding rails 3, the upper ends of the two sliding rails 3 are connected with the supporting plate 4 in a sliding way, the bottom surface of the supporting plate 4 at the right end is fixedly connected with the right side of the upper surface of the working board table 1, the two supporting plates 4 are correspondingly arranged, the middle part of the upper surface of the working board table 1 is provided with the fixed plate 7, the hydraulic pump 8 and the telescopic column 9 are respectively arranged in the mounting ports at the front end and the rear end of the fixed plate 7, the hydraulic oil outlet of the hydraulic pump 8 is connected with the oil inlet of the telescopic column 9 at the same side, the left end of the telescopic column 9 is fixedly connected with the right side surface of the supporting plate 4 at the left end, the upper ends of the two slide rails 3 are connected with the support plate 4 in a sliding manner, so that the slide rails 3 can guide the support plate 4 at the left end in a sliding manner, the detection failure caused by the track deviation of the support plate 4 during the detection of the tensile strength of the screw rod is avoided, the fixed plate 7 plays a role in mounting and fixing the hydraulic pump 8 and the telescopic column 9, and the hydraulic pump 8 and the telescopic column 9 provide driving force for the stretching of the screw rod;
fixing the detection structure 5: the fixed detection structure 5 comprises a screw 51, an internal thread ring 52, pressure sensors 53, screws 54, an adjusting plate 55 and a first chute 56, the first chute 56 is symmetrically arranged on the upper surfaces of the two supporting plates 4, the adjusting plates 55 are symmetrically connected inside the first chute 56 in a sliding manner, upper threaded holes of the two adjusting plates 55 which are longitudinally corresponding are in threaded connection with the screws 54 at the same side, the pressure sensors 53 are respectively arranged on the left side surfaces of the two adjusting plates 55 at the left end and the right side surfaces of the two adjusting plates 55 at the right end, the screw 51 is arranged in the middle of the upper surfaces of the two supporting plates 4, two ends of the screw 51 are positioned between the two adjusting plates 55 which are longitudinally corresponding, the internal thread ring 52 is in threaded connection with the outer end of the screw 51, the internal thread ring 52 is correspondingly arranged with the two pressure sensors 53 at the same side, the output end of the pressure sensor 53 is electrically connected with the input end of the PLC 2, because the threaded holes at the upper ends of two adjusting plates 55 which are longitudinally corresponding are in threaded connection with the screws 54 at the same side, and the two screws 54 are adjusted, the inner side surfaces of the adjusting plates 55 which are longitudinally corresponding can be in contact with the screws 51 which are placed in the middle parts of the upper surfaces of the two supporting plates 4, because the outer ends of the screws 51 are in threaded connection with the internal thread rings 52, the internal thread rings 52 are adjusted, the right end surface of the internal thread ring 52 at the left end is in contact with the two pressure sensors 53 at the left end, the left end surface of the internal thread ring 52 at the right end is in contact with the two pressure sensors 53 at the right end, then the two hydraulic pumps 8 synchronously run through the regulation and control of the PLC controller 2, the hydraulic oil output port drives the telescopic columns 9 at the same side to telescopically run, the supporting plate 4 at the left end is pushed leftwards, the supporting plate 4 at the left end is moved leftwards along the two slide rails 3, and the inner end surfaces of the internal thread rings 52 and the two pressure sensors 53 at the same side generate pressure, the pressure sensor 53 presents the sensed pressure to the PLC controller 2 for integration and analysis, information is displayed on an external display screen through the PLC controller 2, and the tension borne by the screw 51 is detected in real time;
movement detection structure 6: the moving detection structure 6 comprises a second chute 61, a sliding plate 62, a distance measurement sensor 63, a motor 64, a gear 65 and a right-angle support plate 66, the second chute 61 is arranged at the front end of the upper surface of the workbench 1, the sliding plate 62 is slidably connected inside the second chute 61, the right-angle support plate 66 is arranged in the middle of the upper surface of the sliding plate 62, the distance measurement sensor 63 is arranged at the rear end of the bottom surface of a horizontal plate body of the right-angle support plate 66, the motor 64 is arranged at the front end of the bottom surface of the workbench 1, an output shaft of the motor 64 is rotatably connected with a plate body through hole of the workbench 1 through a bearing and extends to the upper part of the workbench 1, the gear 65 is arranged at the upper end of the output shaft of the motor 64, the gear 65 is meshed with teeth on the rear side surface of the sliding plate 62, the input end of the motor 64 is electrically connected with the output end of the PLC controller 2, the output end of the distance measurement sensor 63 is electrically connected with the input end of the PLC controller 2, through the regulation and control of the PLC controller 2, the motor 64 operates, the output shaft rotates to drive the gear 65 to rotate, the sliding plate 62 is connected to the inner portion of the second sliding groove 61 in a sliding mode, the gear 65 is meshed with teeth on the rear side surface of the sliding plate 62 and connected with the sliding plate 62 in a meshed mode, the gear 65 can drive the sliding plate 62 to reciprocate left and right along the second sliding groove 61, the right-angle supporting plate 66 can drive the distance measuring sensor 63 to reciprocate left and right, the distance measuring sensor 63 can sense the distance between the distance measuring sensor 63 and the surface of the screw 51 and present information to the PLC controller 2 for integration and analysis, a distance curve sensed by the distance measuring sensor 63 is displayed on an external display screen through the PLC controller 2, when abnormal fluctuation occurs in the distance curve sensed by the distance measuring sensor 63, the screw 51 is stretched and deformed, the stretch-resistant strength of the screw 51 can be calculated through the pressure values sensed by the four pressure sensors 53 at the moment, and the efficient detection of the stretch-resistant strength of the screw 51 is realized, the equipment has simple structure and convenient operation, and reduces the burden of workers;
wherein: the leading flank of work board platform 1 is equipped with PLC controller 2, and external power source is connected to PLC controller 2's input electricity, and PLC controller 2's output is connected to hydraulic pump 8's input electricity.
Wherein: the vertical height of fixed plate 7 is less than the vertical height of backup pad 4, and the upper surface of backup pad 4 all is equipped with scale mark 10, can avoid fixed plate 7 and screw rod 51 middle part contact and influence the tensile strength detection of screw rod, and the staff accessible is compared the position that four regulating plates 55 were adjusted to scale mark 10, makes screw rod 51 correspond with range sensor 63 position.
Wherein: the bottom surface symmetry of work pallet table 1 is equipped with support frame 12, all is equipped with vertical board 11 between the inside bottom surface of support frame 12 and the 1 bottom surface of work pallet table, and support frame 12 provides the support to work pallet table 1 and upper structure, and vertical board 11 can improve the support stability of support frame 12 to work pallet table 1 and upper structure.
When in use: the support frame 12 supports the workbench 1 and the structure above the workbench, the vertical plate 11 can improve the support stability of the support frame 12 to the workbench 1 and the structure above the workbench, the support plate 4 is connected to the upper ends of the two slide rails 3 in a sliding manner, the slide rails 3 can slide and guide the support plate 4 at the left end, the detection failure caused by the track deviation of the support plate 4 during the detection of the tensile strength of the screw rod is avoided, the fixing plate 7 plays a role in installing and fixing the hydraulic pump 8 and the telescopic column 9, the hydraulic pump 8 and the telescopic column 9 provide driving force for the stretching of the screw rod, the threaded holes at the upper ends of the two adjusting plates 55 which are longitudinally corresponding are in threaded connection with the screws 54 at the same side, the two screws 54 are adjusted, the inner side surfaces of the adjusting plates 55 which are longitudinally corresponding can be in contact with the screws 51 which are arranged at the middle parts of the upper surfaces of the two support plates 4, and the vertical height of the fixing plate 7 is lower than that of the support plate 4, the tensile strength detection of the screw rod can be prevented from being influenced by the contact between the fixed plate 7 and the middle part of the screw rod 51, a worker can adjust the positions of the four adjusting plates 55 by comparing the scale marks 10 to enable the screw rod 51 to correspond to the distance measuring sensors 63, because the outer end of the screw rod 51 is in threaded connection with the internal thread circular ring 52, the internal thread circular ring 52 is adjusted to enable the right end surface of the internal thread circular ring 52 at the left end to be in contact with the two pressure sensors 53 at the left end, the left end surface of the internal thread circular ring 52 at the right end is in contact with the two pressure sensors 53 at the right end, then the two hydraulic pumps 8 synchronously run through the regulation and control of the PLC controller 2, the hydraulic oil output port drives the telescopic columns 9 at the same side to telescopically run to push the support plate 4 at the left end leftwards, the support plate 4 at the left end moves leftwards along the two slide rails 3, and the inner end surface of the internal thread circular ring 52 and the two pressure sensors 53 at the same side generate pressure at the same side, the pressure sensor 53 presents the sensed pressure to the PLC controller 2 for integrated analysis, the PLC controller 2 displays information on an external display screen to detect the tensile force borne by the screw 51 in real time, and the PLC controller 2 regulates and controls the motor 64 to rotate and the output shaft to rotate to drive the gear 65 to rotate, the gear 65 is connected with the sliding plate 62 in a sliding way inside the second chute 61, the gear 65 is meshed with teeth on the rear side surface of the sliding plate 62, so that the gear 65 can drive the sliding plate 62 to reciprocate left and right along the second chute 61, the right-angle support plate 66 can drive the distance measuring sensor 63 to reciprocate left and right, the distance measuring sensor 63 can sense the distance between the distance measuring sensor 63 and the surface of the screw 51 and present the information to the PLC controller 2 for integrated analysis, the distance curve sensed by the distance measuring sensor 63 is displayed on the external display screen through the PLC controller 2, and when the distance curve sensed by the distance measuring sensor 63 fluctuates abnormally, the fact that the screw 51 is stretched and deformed is explained, the tensile strength of the screw 51 can be calculated through the pressure values sensed by the four pressure sensors 53 at the moment, and therefore efficient detection of the tensile strength of the screw 51 is achieved, the equipment structure is simple, operation is convenient, and burden of workers is relieved.
It should be noted that the PLC controller 2 disclosed in this embodiment may be implemented by using siemens S7-200, the pressure sensor 53 may be implemented by using a sensor of ZCL5 series model number from zhuyang measurement and control technologies ltd, of easguan, the motor 64 may be implemented by using a motor of 57HD7411-02 model number from moku electromechanical ltd, of easguan, the distance measuring sensor 63 may be implemented by using a charpy GP2D12 infrared distance measuring sensor, the hydraulic pump 8 may be implemented by using a hydraulic pump of DBD0.8 model number from yadoxu mechanical manufacturing ltd, and the PLC controller 2 controls the pressure sensor 53, the motor 64, the distance measuring sensor 63 and the hydraulic pump 8 to operate according to a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a screw rod tensile strength detection device which characterized in that: comprises a workbench (1), a fixed detection structure (5) and a movable detection structure (6);
work bench (1): the right side of the upper surface of the workbench is symmetrically provided with slide rails (3), the upper ends of the two slide rails (3) are connected with a support plate (4) in a sliding manner, the bottom surface of the support plate (4) at the right end is fixedly connected with the right side of the upper surface of the workbench (1), the two support plates (4) are correspondingly arranged, the middle part of the upper surface of the workbench (1) is provided with a fixed plate (7), hydraulic pumps (8) and telescopic columns (9) are respectively installed in installation ports at the front end and the rear end of the fixed plate (7), a hydraulic oil outlet of each hydraulic pump (8) is connected with an oil inlet of the telescopic column (9) at the same side, and the left end of the telescopic end of each telescopic column (9) is fixedly connected with the right side surface of the support plate (4) at the left end;
fixed detection structure (5): the upper surfaces of the two supporting plates (4) are symmetrically arranged;
movement detection structure (6): is arranged at the front end of the upper surface of the workbench (1);
wherein: the leading flank of work board platform (1) is equipped with PLC controller (2), and external power source is connected to the input electricity of PLC controller (2), and the output of PLC controller (2) is connected to the input electricity of hydraulic pump (8).
2. The screw tensile strength detection device according to claim 1, wherein: the fixed detection structure (5) comprises a screw rod (51), internal thread rings (52), pressure sensors (53), screws (54), adjusting plates (55) and first sliding grooves (56), wherein the first sliding grooves (56) are symmetrically arranged on the upper surfaces of the two supporting plates (4), the adjusting plates (55) which are symmetrically distributed are respectively connected inside the first sliding grooves (56) in a sliding manner, upper threaded holes in the two adjusting plates (55) which are longitudinally corresponding are respectively in threaded connection with the screws (54) on the same side, the pressure sensors (53) are respectively arranged on the left side surfaces and the right side surfaces of the two adjusting plates (55) on the left end and the right end surfaces of the two adjusting plates (55) on the right end, the screw rod (51) is placed in the middle parts of the upper surfaces of the two supporting plates (4), two ends of the screw rod (51) are positioned between the two adjusting plates (55) which are longitudinally corresponding, and the external end heads of the screw rod (51) are respectively in threaded connection with the internal thread rings (52), the internal thread ring (52) is arranged corresponding to the two pressure sensors (53) on the same side, and the output ends of the pressure sensors (53) are electrically connected with the input end of the PLC (2).
3. The screw tensile strength detection device according to claim 1, wherein: the mobile detection structure (6) comprises a second sliding groove (61), a sliding plate (62), a distance measuring sensor (63), a motor (64), a gear (65) and a right-angle supporting plate (66), the second sliding groove (61) is arranged at the front end of the upper surface of the workbench (1), the sliding plate (62) is connected to the inside of the second sliding groove (61) in a sliding manner, the right-angle supporting plate (66) is arranged in the middle of the upper surface of the sliding plate (62), the distance measuring sensor (63) is arranged at the rear end of the bottom surface of a horizontal plate body of the right-angle supporting plate (66), the motor (64) is arranged at the front end of the bottom surface of the workbench (1), an output shaft of the motor (64) is rotatably connected with a plate body through hole of the workbench (1) through a bearing and extends to the upper portion of the workbench (1), the gear (65) is arranged at the upper end of the output shaft of the motor (64), and the gear (65) is meshed with teeth on the rear side surface of the sliding plate (62), the input end of the motor (64) is electrically connected with the output end of the PLC (2), and the output end of the distance measuring sensor (63) is electrically connected with the input end of the PLC (2).
4. The screw tensile strength detection device according to claim 1, wherein: the vertical height of fixed plate (7) is less than the vertical height of backup pad (4), and the upper surface of backup pad (4) all is equipped with scale mark (10).
5. The screw tensile strength detection device according to claim 1, wherein: the bottom surface symmetry of work pallet (1) is equipped with support frame (12), all is equipped with vertical board (11) between the inside bottom surface of support frame (12) and work pallet (1) bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023262273.3U CN215339195U (en) | 2020-12-29 | 2020-12-29 | Screw rod tensile strength detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023262273.3U CN215339195U (en) | 2020-12-29 | 2020-12-29 | Screw rod tensile strength detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215339195U true CN215339195U (en) | 2021-12-28 |
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ID=79571183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023262273.3U Expired - Fee Related CN215339195U (en) | 2020-12-29 | 2020-12-29 | Screw rod tensile strength detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215339195U (en) |
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2020
- 2020-12-29 CN CN202023262273.3U patent/CN215339195U/en not_active Expired - Fee Related
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Granted publication date: 20211228 |