CN210375972U - Roving tension testing device - Google Patents
Roving tension testing device Download PDFInfo
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- CN210375972U CN210375972U CN201921206746.2U CN201921206746U CN210375972U CN 210375972 U CN210375972 U CN 210375972U CN 201921206746 U CN201921206746 U CN 201921206746U CN 210375972 U CN210375972 U CN 210375972U
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Abstract
The utility model relates to a roving tension testing arrangement, including the base, vertical spool reference column, roving reference column and the draw gear reference column of being connected with on the base are connected with first anchor clamps on the roving reference column, are connected with draw gear on the draw gear reference column, and draw gear includes second anchor clamps, pulling force device and pulling force survey device, and pulling force device passes through connecting piece interconnect with the second anchor clamps. The tension of the roving can be tested by utilizing the roving tension testing device, the twist of the roving is judged to be too large or too small according to the comparison between the tension and the tension born by the roving on the spinning frame, the twist of the roving is further reversely adjusted, and when the tension of the roving is finally determined to meet the requirement through multiple tests, the twist value of the roving is determined, and then batch production is carried out, so that the quality of the roving is improved, and the quality of the spun yarn is ensured.
Description
The technical field is as follows:
the utility model relates to a tension testing arrangement, especially a roving tension testing arrangement for testing roving tension.
Background art:
in the spinning process, the phenomenon that the spun yarn is thick in spinning or the spun yarn is broken frequently occurs, and researches show that the twist of the spun yarn influences the yarn quality of the spun yarn, and if the twist is too small, the spun yarn is easy to break in the spinning process, so that the spun yarn joints are more, and the production efficiency is reduced; the excessive twist increases the thick knot of the spun yarn, and the quality of the finished yarn is reduced. Therefore, the twist of the roving needs to be controlled to improve the quality of the spun yarn.
At present, the roving sets up the twist and measures the twist through roving twist appearance earlier usually, then carry out prejudgement roving tension with the hand power mode through the tester, the tester thinks that roving tension under this twist has satisfied and has required, then set up roving twist and the production of driving, rely on different testing personnel's the experience of feeling completely and confirm, do not have unified standard, under the diversified circumstances of fibre product, it will bring very big trouble for the production of later stage to have negligence slightly, cause a large amount of rovings to scrap.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the roving tension testing device capable of detecting the roving tension enables the detected roving tension value to be more accurate, improves the quality of the produced roving and ensures the spun yarn quality.
In order to solve the technical problem, the utility model discloses a technical scheme is: roving tension testing arrangement, including a base, vertical spool reference column, a roving reference column and the draw gear reference column of being connected with on the base, be connected with the first anchor clamps that can press from both sides tight roving on the roving reference column, be connected with draw gear on the draw gear reference column, draw gear is including the second anchor clamps that are used for pressing from both sides tight roving, the pulling force device who is used for driving the tensile roving of second anchor clamps and be used for determining tensile pulling force measuring device, and pulling force device passes through connecting piece interconnect with the second anchor clamps.
As a preferable scheme, a movable sleeve is sleeved on the traction device positioning column, a locking bolt arranged in the radial direction is in threaded connection with the movable sleeve, the head of the locking bolt penetrates through the movable sleeve and is opposite to the traction device positioning column, the locking bolt can be rotated to enable the head of the locking bolt to be tightly abutted to or separated from the traction device positioning column so as to realize the movement and locking of the movable sleeve relative to the traction device positioning column, one side of the movable sleeve is fixedly connected with a positioning pipe perpendicular to the traction device positioning column, one end of the positioning pipe is opposite to a first clamp on the roving positioning column, the movable sleeve is also fixedly connected with a fixed seat, a pulley is rotatably connected on the fixed seat and is opposite to one end, away from the first clamp, of the positioning pipe, the tension device is a weight plate and a weight, the connecting piece is a nylon wire, one end of the nylon, the other end of the tension measuring device is wound by a pulley and then penetrates through the positioning pipe to be connected with the second clamp, and the tension measuring device is a weight.
As a preferable scheme, a movable sleeve is sleeved on the traction device positioning column, a locking bolt which is arranged in the radial direction is in threaded connection with the movable sleeve, the head of the locking bolt penetrates through the movable sleeve and is opposite to the traction device positioning column, the locking bolt can be rotated to enable the head of the locking bolt to be tightly abutted against or separated from the traction device positioning column so as to realize the movement and locking of the movable sleeve relative to the traction device positioning column, one side of the movable sleeve is fixedly connected with a positioning pipe which is perpendicular to the traction device positioning column, one end of the positioning pipe is opposite to a first clamp on the roving positioning column, the movable sleeve is also fixedly connected with a fixed seat, a pulley is rotatably connected on the fixed seat and is opposite to one end, away from the first clamp, of the positioning pipe, the tension device is a hydraulic push rod, the tension measuring device is a tension sensor, one end of a nylon wire is connected with the front end of a piston rod of the hydraulic push rod, the other end of the nylon wire passes through the pulley and then penetrates through the positioning pipe to be connected with the second clamp, the nylon wire between the pulley and the hydraulic push rod is disconnected, the two disconnected ends of the nylon wire are respectively connected with the tension sensor, the tension sensor is electrically connected with a controller and sends an electric signal representing the tension value to the controller, the controller is electrically connected with a display and sends a signal to the display, the display displays the tension value, and meanwhile, the controller is electrically connected with the hydraulic push rod to control the movement of the hydraulic push rod.
As an optimal scheme, first anchor clamps include that vertical connection is at the fixed clamping piece on roving location post top, and one side of deciding the clamping piece is provided with moves the clamping piece, decides the clamping piece and moves the clamping piece on be provided with coaxial through-hole respectively, decides the clamping piece and moves the bolt interconnect of clamping piece through passing two through-holes, decide the clamping piece back to moving the bolt on clamping piece one side and overlap the spring of precompression, spring one end with decide the clamping piece butt, the other end and the nut butt of swivelling joint on the bolt, the elastic potential energy of spring orders about and moves the clamping piece tightly to on deciding the clamping piece, the structure of second anchor clamps is unanimous with the structure of first anchor clamps, and the fixed clamping piece fixed connection of second anchor clamps is on a slide bar, and the length direction of deciding the clamping piece of second anchor clamps is unanimous with the axial of slide bar, and slide bar sliding connection is in the.
As a preferred scheme, anti-skid grains are respectively arranged on the opposite surfaces of the movable clamping piece and the fixed clamping piece.
The utility model has the advantages that: utilize the second anchor clamps to press from both sides the tip of tight roving, utilize first anchor clamps to press from both sides tight roving, make roving length between first anchor clamps and the second anchor clamps invariable, then utilize pulling force device to progressively increase the pulling force in order to drive the tensile roving of second anchor clamps until the roving fracture, and utilize tensile force measuring device survey tensile roving to the maximum value of the pulling force that its fracture used, record into the tension of roving, compare with the tension that the roving receives on the spinning frame according to this tension, judge that the twist of this roving is too big or undersize, and then reverse regulation roving twist, when accessible multiple test finally confirms roving tension and meets the requirements, confirm the twist value of roving, then carry out batch production, thereby improve the roving quality, ensure the spun yarn quality.
Description of the drawings:
the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a first specific schematic diagram of a roving tension tester according to the present invention;
fig. 2 is a second specific schematic diagram of the roving tension tester of the present invention;
FIG. 3 is a schematic view of a first clamp;
fig. 4 is a schematic perspective view of the fixed clip and the movable clip.
In fig. 1 to 4: 1. the bobbin clamping device comprises a base, 2, a bobbin positioning column, 3, a roving positioning column, 4, a traction device positioning column, 5, a roving, 6, a first clamp, 6-1, a fixed clamping piece, 6-2, a movable clamping piece, 6-3, a through hole, 6-4, a bolt, 6-5, a spring, 6-6, a nut, 7, a second clamp, 8, a tension device, 8-1, a weight disc, 8-2, a weight, 8-3, a hydraulic push rod, 9, a tension measuring device, 9-1, a tension sensor, 10, a connecting piece, 11, a movable sleeve, 12, a locking bolt, 13, a positioning tube, 14, a fixed seat, 15, a pulley, 16, a sliding rod, 17, an anti-skid, 18, a controller, 19, a display, 20 and a limiting nut.
The specific implementation mode is as follows:
the following describes in detail a specific embodiment of the present invention with reference to the drawings.
Example 1:
as shown in fig. 1, fig. 3 and fig. 4, the roving tension testing device includes a base 1, and a bobbin positioning column 2, a roving positioning column 3 and a traction device positioning column 4 are vertically connected to the base 1, but be connected with the first anchor clamps 6 that press from both sides tight roving 5 on the roving positioning column 3, be connected with traction device on the traction device positioning column 4, traction device is including the second anchor clamps 7 that are used for pressing from both sides tight roving 5, the pulling force device 8 that is used for driving the tensile roving 5 of second anchor clamps 7 and be used for determining tensile pulling force's tension determination device 9, and tension device 8 passes through connecting piece 10 interconnect with second anchor clamps 7.
The draw gear positioning column 4 is sleeved with a movable sleeve 11, the movable sleeve 11 is connected with a locking bolt 12 which is radially arranged in a threaded manner, the head of the locking bolt 12 penetrates through the movable sleeve 11 and is right opposite to the draw gear positioning column 4, the head of the locking bolt 12 can be tightly abutted to or separated from the draw gear positioning column 4 by rotating the locking bolt 12 so as to realize the movement and locking of the movable sleeve 11 relative to the draw gear positioning column, the height of the second clamp 7 can be adjusted through the movable sleeve 11, and the tension of the roving is kept to be consistent with the axial direction of the roving in the tension testing process.
One side of the movable sleeve 11 is fixedly connected with a positioning tube 13 perpendicular to the positioning column 4 of the traction device, one end of the positioning tube 13 is opposite to the first clamp 6 on the roving positioning column 3, the movable sleeve 11 is also fixedly connected with a fixing seat 14, the fixing seat 14 is rotatably connected with a pulley 15, the pulley 15 is opposite to one end, away from the first clamp 6, of the positioning tube 13, the tension device 8 is a weight tray 8-1 and a weight 8-2, the connecting piece 10 is a nylon thread, one end of the nylon thread is connected with the weight tray 8-1, the other end of the nylon thread passes through the positioning tube 13 after passing through the pulley 15 and is connected with the second clamp 7, and the tension measuring device 9 is a weight.
The pulley 15 reduces the friction force, and the nylon wire as the connecting member 10 is suspended in the positioning tube 13 when the tension test is performed on the roving 5, so that the movement of the nylon wire does not generate friction force with the positioning tube 13, and the detection accuracy can be improved.
Weights are used as the tension measuring device 9 and the tension device 8, so that the structure is simple and the cost is low.
As shown in figure 3, the first clamp 6 comprises a fixed clamping piece 6-1 vertically connected to the top end of a roving positioning column 3, a movable clamping piece 6-2 is arranged on one side of the fixed clamping piece 6-1, coaxial through holes 6-3 are respectively arranged on the fixed clamping piece 6-1 and the movable clamping piece 6-2, the fixed clamping piece 6-1 and the movable clamping piece 6-2 are connected with each other through a bolt 6-4 penetrating through the two through holes 6-3, a pre-compressed spring 6-5 is sleeved on a bolt 6-4 on one side of the fixed clamping piece 6-1 opposite to the movable clamping piece 6-2, one end of the spring 6-5 is abutted against the fixed clamping piece 6-1, the other end is abutted against a nut 6-6 screwed on the bolt 6-4, and the movable clamping piece 6-2 is urged to be abutted against the fixed clamping piece 6-1 by elastic potential energy, when the roving needs to be tightened, one end of the nut 6-6 is firstly pushed to further compress the spring 6-5, at this time, the movable clamping piece 6-2 can be separated from the fixed clamping piece 6-1, the roving 5 is embedded between the movable clamping piece 6-2 and the fixed clamping piece 6-1, in order to avoid the slippage of the roving 5, the roving 5 can be wound on the bolt 6-4 for 180 degrees or more, the structure of the second clamp 7 is consistent with that of the first clamp 6, the fixed clamping piece 6-1 of the second clamp 7 is fixedly connected to a sliding rod 16, the length direction of the fixed clamping piece 6-1 of the second clamp 7 is consistent with the axial direction of the sliding rod 16, the sliding rod 16 is slidably connected in the positioning tube 13, the width of the fixed clamping piece 6-1 of the second clamp 7 is larger than the inner diameter of the positioning tube 13, when the roving tension testing device is not used, the sliding rod 16 moves rightwards under the action of, the stationary jaw 6-1 of the second clamp 7, which has a width greater than the inner diameter of the positioning tube 13, restricts the sliding rod 16 from passing through the positioning tube 13, so that the second clamp 7 is held between the positioning tube 13 and the first clamp 6 for the next use.
As shown in FIG. 4, the opposite surfaces of the movable clamping piece 6-2 and the fixed clamping piece 6-1 are respectively provided with anti-slip lines 17 to improve the positioning effect on the roving and avoid the roving from slipping.
The working process of the embodiment is as follows: as shown in fig. 1, 3 and 4, when a tube of roving needs to be subjected to a tension test, the height of the movable sleeve 11 is adjusted to make the height of the bolt 6-4 of the first clamp 6 consistent with the height of the bolt 6-4 of the second clamp 7, then the bobbin is sleeved on the bobbin positioning post 2, then a certain length of the roving 5 is cut off from the bobbin, the end of the roving 5 is clamped on the second clamp 7, then the roving 5 is pulled to move the second clamp 7 towards the first clamp 6 until the length of the roving 5 between the first clamp 6 and the second clamp 7 meets the requirement, for example, the length of the roving 5 between the first clamp 6 and the second clamp 7 is 40cm, then the middle part of the cut roving 5 is clamped on the first clamp 6, and the clamping of the roving 5 is completed.
Generally, the length of the roving 5 between the first clamp 6 and the second clamp 7 is a fixed value between 30cm and 60cm, the roving 5 is tested each time, the length of the roving 5 is kept consistent, and thus the comparison is achieved, in order to ensure that the length of the roving 5 detected each time is consistent, as shown in fig. 1, one end, close to the pulley 15, of the sliding rod 16 is connected with a limiting nut 20 in a threaded mode, when the roving is clamped each time, as long as the sliding rod 16 slides leftwards until the limiting nut 20 abuts against the positioning pipe 13, the distance between the first clamp 6 and the second clamp 7 is constant, and therefore the clamping of the roving 5 can be facilitated.
After clamping is completed, the weight 8-2 can be added on the weight tray 8-1, and the weight 8-2 is gradually added until the roving is broken, so that the tension value of the roving, namely the total weight of the added weight 8-2, is recorded.
If the measured tension value of the roving is larger than the tension range of the roving on the spinning machine, the roving is easy to generate slubby phenomenon in the spinning process, and if the tension value of the roving is smaller than the tension range of the roving on the spinning machine, the roving is easy to break in the spinning process. At this time, the twist of the roving needs to be adjusted according to an actual detection result, and after the twist is adjusted, the roving is tested again until the test result is in the tension range of the roving on the spinning frame.
Example 2:
as shown in fig. 2-4, the roving tension testing device includes a base 1, and a bobbin positioning column 2, a roving positioning column 3 and a traction device positioning column 4 are vertically connected to the base 1, but be connected with the first anchor clamps 6 that press from both sides tight roving 5 on the roving positioning column 3, be connected with traction device on the traction device positioning column 4, traction device is including being used for pressing from both sides tight second anchor clamps 7 of roving 5, being used for driving the tensile tension device 8 of the tensile roving 5 of second anchor clamps 7 and being used for determining tensile pulling force's tensile measuring device 9, and tension device 8 passes through connecting piece 10 interconnect with second anchor clamps 7.
The draw gear positioning column 4 is sleeved with a movable sleeve 11, the movable sleeve 11 is connected with a locking bolt 12 which is radially arranged in a threaded manner, the head of the locking bolt 12 penetrates through the movable sleeve 11 and is right opposite to the draw gear positioning column 4, the head of the locking bolt 12 can be tightly abutted to or separated from the draw gear positioning column 4 by rotating the locking bolt 12 so as to realize the movement and locking of the movable sleeve 11 relative to the draw gear positioning column, the height of the second clamp 7 can be adjusted through the movable sleeve 11, and the tension of the roving is kept to be consistent with the axial direction of the roving in the tension testing process.
One side of the movable sleeve 11 is fixedly connected with a positioning tube 13 perpendicular to the positioning column 4 of the traction device, one end of the positioning tube 13 is opposite to the first clamp 6 on the roving positioning column 3, the movable sleeve 11 is also fixedly connected with a fixed seat 14, the fixed seat 14 is rotatably connected with a pulley 15, the pulley 15 is opposite to one end of the positioning tube 13 far away from the first clamp 6, the tension device 8 is a hydraulic push rod 8-3, the hydraulic push rod 8-3 can stably and slowly pull the roving 5, the tension measuring device 9 is a tension sensor 9-1, the connecting piece 10 is a nylon wire, one end of the nylon wire is connected with the front end of a piston rod of the hydraulic push rod 8-3, the other end of the nylon wire passes through the positioning tube 13 after passing through the pulley 15 and is connected with the second clamp 7, and the nylon wire between the pulley 15 and the hydraulic push rod 8-3 is, the two ends of the broken nylon wire are respectively connected with a tension sensor 9-1, the tension sensor 9-1 is connected on the nylon wire, the tension force borne by the roving yarn 5 can be accurately monitored, the tension sensor 9-1 is electrically connected with a controller 18 and sends an electric signal representing the tension value to the controller 18, the controller 18 is electrically connected with a display 19 and sends a signal to the display 19, the display 19 displays a curve graph formed by the tension value and time, and meanwhile, the controller 18 is electrically connected with the hydraulic push rod 8-3 to control the movement of the hydraulic push rod 8-3.
After monitoring the tension change, the tension sensor 9-1 sends the tension change to the controller 18 in an electric signal mode, the controller 18 displays the tension value through the display 19, meanwhile, the controller 18 is connected with the hydraulic push rod 8-3 to control the movement of the hydraulic push rod 8-3, under the condition that the tension value detected by the tension sensor 9-1 suddenly drops, the breakage of the roving 5 is represented, and at the moment, the controller 18 controls the hydraulic push rod 8-3 to stop moving.
The first clamp 6 comprises a fixed clamping piece 6-1 vertically connected to the top end of the roving positioning column 3, a movable clamping piece 6-2 is arranged on one side of the fixed clamping piece 6-1, coaxial through holes 6-3 are respectively arranged on the fixed clamping piece 6-1 and the movable clamping piece 6-2, the fixed clamping piece 6-1 and the movable clamping piece 6-2 are mutually connected through a bolt 6-4 penetrating through the two through holes 6-3, a pre-compressed spring 6-5 is sleeved on a bolt 6-4 on one side of the fixed clamping piece 6-1 opposite to the movable clamping piece 6-2, one end of the spring 6-5 is abutted against the fixed clamping piece 6-1, the other end of the spring is abutted against a nut 6-6 screwed on the bolt 6-4, the elastic potential energy of the spring 6-5 drives the movable clamping piece 6-2 to be abutted against the fixed clamping piece, the structure of the second clamp 7 is consistent with that of the first clamp 6, a fixed clamping piece 6-1 of the second clamp 7 is fixedly connected to a sliding rod 16, the length direction of the fixed clamping piece 6-1 of the second clamp 7 is consistent with the axial direction of the sliding rod 16, the sliding rod 16 is connected in the positioning tube 13 in a sliding mode, and the width of the fixed clamping piece 6-1 of the second clamp 7 is larger than the inner diameter of the positioning tube 13.
The opposite surfaces of the movable clamping piece 6-2 and the fixed clamping piece 6-1 are respectively provided with anti-skid grains 17.
The working process of the embodiment is as follows: firstly, adjusting a movable sleeve 11 to enable the height of a bolt 6-4 of a first clamp 6 to be consistent with that of a bolt 6-4 of a second clamp 7, then sleeving a bobbin on a bobbin positioning column 2, dropping a certain length of roving 5 from the bobbin, controlling a piston rod of a hydraulic push rod 8-3 to extend to a limit position through a controller 18, clamping the end part of the roving 5 on the second clamp 7, then pulling the roving 5 to enable the second clamp 7 to move towards the first clamp 6 until the length of the roving between the first clamp 6 and the second clamp 7 meets the requirement, then clamping the middle part of the dropped roving 5 on the first clamp 6, and completing clamping of the roving 5.
After the clamping is finished, the piston rod of the hydraulic push rod 8-3 is controlled to gradually contract through the controller 18, in the process of piston rod contraction, the tension force borne by the roving 5 is gradually increased, correspondingly, the tension force borne by the tension sensor 9-1 is also synchronously increased, the tension sensor 9-1 sends the detected tension value to the controller 18, the controller 18 sends a signal representing the tension value to the display 19, the change curve of the tension and the time is displayed by the display 19 and fed back to a tester in real time, the piston rod continuously contracts until the roving 5 is broken, after the roving is broken, the tension value detected by the tension sensor 9-1 suddenly drops, the controller 18 judges the breakage of the roving according to the intensity of the change before and after the tension value, thereby stopping the movement of the piston rod of the hydraulic ram 8-3 and the tester can obtain the maximum tension value as the tension value of the roving by means of the graph of the tension versus time displayed on the display 19.
If the measured tension value of the roving is larger than the tension range of the roving on the spinning machine, the roving is easy to generate slubby phenomenon in the spinning process, and if the tension value of the roving is smaller than the tension range of the roving on the spinning machine, the roving is easy to break in the spinning process. At this time, the twist of the roving needs to be adjusted according to an actual detection result, and after the twist is adjusted, the roving is tested again until the test result is in the tension range of the roving on the spinning frame.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (5)
1. Roving tension testing arrangement, its characterized in that including a base (1), vertically on base (1) be connected with a spool reference column (2), a roving reference column (3) and a draw gear reference column (4), be connected with first anchor clamps (6) that can press from both sides tight roving (5) on roving reference column (3), be connected with draw gear on draw gear reference column (4), draw gear is including second anchor clamps (7) that are used for pressing from both sides tight roving (5), be used for driving pulling force device (8) of tensile roving (5) of second anchor clamps (7) and be used for determining tensile pulling force tension apparatus (9), pulling force device (8) and second anchor clamps (7) are through connecting piece (10) interconnect.
2. The roving tension testing device according to claim 1, characterized in that a movable sleeve (11) is sleeved on the traction device positioning column (4), a radially arranged locking bolt (12) is connected to the movable sleeve (11) in a threaded manner, the head of the locking bolt (12) passes through the movable sleeve (11) and faces the traction device positioning column (4), the head of the locking bolt (12) can be tightly abutted against or separated from the traction device positioning column (4) by rotating the locking bolt (12) to realize the movement and locking of the movable sleeve (11) relative to the traction device positioning column, a positioning tube (13) perpendicular to the traction device positioning column (4) is fixedly connected to one side of the movable sleeve (11), one end of the positioning tube (13) is opposite to the first clamp (6) on the roving positioning column (3), a fixed seat (14) is fixedly connected to the movable sleeve (11), a pulley (15) is rotatably connected to the fixed seat (14), the pulley (15) is opposite to one end, far away from the first clamp (6), of the positioning tube (13), the tension device (8) comprises a weight plate (8-1) and a weight (8-2), the connecting piece (10) is a nylon wire, one end of the nylon wire is connected with the weight plate (8-1), the other end of the nylon wire is wound around the pulley (15) and then penetrates through the positioning tube (13) to be connected with the second clamp (7), and the tension measuring device (9) is a weight.
3. The roving tension testing device according to claim 1, characterized in that a movable sleeve (11) is sleeved on the traction device positioning column (4), a radially arranged locking bolt (12) is connected to the movable sleeve (11) in a threaded manner, the head of the locking bolt (12) passes through the movable sleeve (11) and faces the traction device positioning column (4), the head of the locking bolt (12) can be tightly abutted against or separated from the traction device positioning column (4) by rotating the locking bolt (12) to realize the movement and locking of the movable sleeve (11) relative to the traction device positioning column, a positioning tube (13) perpendicular to the traction device positioning column (4) is fixedly connected to one side of the movable sleeve (11), one end of the positioning tube (13) is opposite to the first clamp (6) on the roving positioning column (3), a fixed seat (14) is fixedly connected to the movable sleeve (11), the fixed seat (14) is rotatably connected with a pulley (15), the pulley (15) is opposite to one end, far away from the first clamp (6), of the positioning tube (13), the tension device (8) is a hydraulic push rod (8-3), the tension measuring device (9) is a tension sensor (9-1), the connecting piece (10) is a nylon wire, one end of the nylon wire is connected with the front end of a piston rod of the hydraulic push rod (8-3), the other end of the nylon wire passes through the positioning tube (13) after passing around the pulley (15) and is connected with the second clamp (7), the nylon wire between the pulley (15) and the hydraulic push rod (8-3) is disconnected, two disconnected ends of the nylon wire are respectively connected with the tension sensor (9-1), the tension sensor (9-1) is electrically connected with a controller (18) and sends an electric signal representing the tension value to the controller (18), the controller (18) is electrically connected with a display (19) and sends signals to the display (19), the display (19) displays the tension value, and meanwhile, the controller (18) is electrically connected with the hydraulic push rod (8-3) to control the movement of the hydraulic push rod (8-3).
4. The roving tension testing device according to any of the claims 2 or 3, characterized in that the first clamp (6) comprises a fixed clamping piece (6-1) vertically connected to the top end of the roving positioning column (3), a movable clamping piece (6-2) is arranged on one side of the fixed clamping piece (6-1), coaxial through holes (6-3) are respectively arranged on the fixed clamping piece (6-1) and the movable clamping piece (6-2), the fixed clamping piece (6-1) and the movable clamping piece (6-2) are connected with each other through bolts (6-4) passing through the two through holes (6-3), a pre-compressed spring (6-5) is sleeved on the bolt (6-4) on one side of the fixed clamping piece (6-1) opposite to the movable clamping piece (6-2), one end of the spring (6-5) is abutted to the fixed clamping piece (6-1), the other end of the clamp is abutted to a nut (6-6) screwed on a bolt (6-4), the elastic potential energy of a spring (6-5) drives a movable clamping piece (6-2) to be tightly abutted to a fixed clamping piece (6-1), the structure of the second clamp (7) is consistent with that of the first clamp (6), the fixed clamping piece (6-1) of the second clamp (7) is fixedly connected to a sliding rod (16), the length direction of the fixed clamping piece (6-1) of the second clamp (7) is consistent with the axial direction of the sliding rod (16), the sliding rod (16) is slidably connected in a positioning tube (13), and the width of the fixed clamping piece (6-1) of the second clamp (7) is larger than the inner diameter of the positioning tube (13).
5. The roving tension testing device according to claim 4, characterized in that the opposite surfaces of the movable clamping piece (6-2) and the fixed clamping piece (6-1) are respectively provided with anti-skid lines (17).
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|---|---|---|---|
| CN201921206746.2U CN210375972U (en) | 2019-07-29 | 2019-07-29 | Roving tension testing device |
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| CN201921206746.2U CN210375972U (en) | 2019-07-29 | 2019-07-29 | Roving tension testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624119A (en) * | 2022-05-12 | 2022-06-14 | 常州市国祥起重机械有限公司 | Steel wire rope strength detection device for crane |
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2019
- 2019-07-29 CN CN201921206746.2U patent/CN210375972U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624119A (en) * | 2022-05-12 | 2022-06-14 | 常州市国祥起重机械有限公司 | Steel wire rope strength detection device for crane |
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