CN212932245U - Pipe bending moment test device - Google Patents
Pipe bending moment test device Download PDFInfo
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- CN212932245U CN212932245U CN202021849197.3U CN202021849197U CN212932245U CN 212932245 U CN212932245 U CN 212932245U CN 202021849197 U CN202021849197 U CN 202021849197U CN 212932245 U CN212932245 U CN 212932245U
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Abstract
The utility model relates to a pipe bending moment test device, which comprises a machine body with a platform on the top, wherein the top of the platform is provided with a clamp, an adjusting device and a force application device for fixing a sample; the adjusting device comprises a front sliding table, a rear sliding table, a left sliding table, a right sliding table and a rotary sliding table, wherein the left sliding table and the right sliding table are perpendicular to the front sliding table and the rear sliding table; the rotary sliding table is detachably connected with the left sliding table and the right sliding table, and the top of the rotary sliding table is rotatably connected with the clamp through a rotating shaft; the force application device comprises a lifting table and a lifting mechanism connected with the lifting table, a main sliding table connected with the lifting table in a sliding mode and a linear driving mechanism connected with the main sliding table are arranged at the top of the lifting table, a force application shaft is arranged at one end, close to the clamp, of the main sliding table, and a force value sensor is arranged between the force application shaft and the main sliding table; the utility model discloses a pipe bending moment test device simple structure, simple operation.
Description
Technical Field
The utility model belongs to the technical field of the test of domestic mounting box and shell and relevant product, concretely relates to pipe bending moment test device, concrete product is the mounting box and the shell of continuous mouthful of area or pipe entry (export), relates to standard GB-T17466.1-2009, clause 12.14.
Background
The test device for the bending moment of the conduit mainly checks whether the inlet of the connecting port is loosened or damaged or not and whether the conduit is kept in the connecting inlet or not when the mounting box with the connecting port or the inlet (outlet) of the conduit and the shell are subjected to the action of the bending moment in all directions. However, the position of the sample cannot be well adjusted by the catheter bending moment test device on the market at present so as to meet the angle requirement of the sample, the angle can be visually displayed, and the application of the bending moment is not very accurate. Furthermore, the adjustment of the point of application is very inconvenient. Therefore, improvements in the prior art are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a convenient pipe bending moment test device who adjusts for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
pipe bending moment test device includes:
the top of the platform is provided with a clamp, an adjusting device and a force application device for fixing a sample;
the adjusting device comprises a front sliding table, a rear sliding table, a left sliding table, a right sliding table and a rotating sliding table, wherein the left sliding table and the right sliding table are perpendicular to the front sliding table and the rear sliding table; the rotary sliding table is detachably connected with the left sliding table and the right sliding table, and the top of the rotary sliding table is rotatably connected with the clamp through a rotating shaft;
be equipped with first fixed orifices on the slip table around, be equipped with on the platform with the first fixed orifices complex of slip table around a plurality of second fixed orifices of arranging along the fore-and-aft direction, the screw passes around slip table on first fixed orifices and the second fixed orifices on the platform will be around slip table and platform connection. The front sliding table and the rear sliding table can be connected with each other through screws corresponding to the new second fixing holes after the front sliding table and the rear sliding table move back and forth to adjust the positions of the front sliding table and the rear sliding table;
the left sliding table and the right sliding table are provided with third fixing holes, the front sliding table and the rear sliding table are provided with a plurality of fourth fixing holes distributed along the left and right directions, and screws penetrate through the third fixing holes and the fourth fixing holes to connect the front sliding table and the rear sliding table with the left sliding table and the right sliding table.
The third fixing holes on the left sliding table and the right sliding table can be connected with new fourth fixing holes through screws after the left sliding table and the right sliding table move back and forth to adjust the positions, so that the positions of the left sliding table and the right sliding table are adjusted;
the force application device comprises a lifting table and a lifting mechanism connected with the lifting table, a main sliding table connected with the lifting table in a sliding mode and a linear driving mechanism connected with the main sliding table are arranged at the top of the lifting table, a force application shaft is arranged at one end, close to the clamp, of the main sliding table, and a force value sensor is arranged between the force application shaft and the main sliding table;
the lifting mechanism comprises a guide rod fixedly arranged at the bottom of the lifting platform, the bottom of the guide rod penetrates through the platform and is in sliding connection with the platform, and the bottom of the platform is provided with a manual screw rod lifting mechanism connected with the bottom of the lifting platform;
as the utility model discloses a further optimization scheme, manual lead screw elevating system includes and rotates the lift lead screw of connecting the slip table bottom through the bearing, and the cover has the lift nut on the lift lead screw, and the fixed worm wheel that is equipped with in periphery of lift nut, worm wheel and worm meshing, worm fixed connection handle. The worm is driven by the rotation of the handle, the lifting nut is driven to rotate by the transmission of the worm and the worm gear, and then the lifting screw rod is driven to move up and down to drive the sliding table to lift. The self-locking function of the worm gear can limit the self-weight of the sliding table to fall, the worm gear and the worm can be arranged in the transmission case, and the lifting screw rod, the worm and the transmission case are connected through bearings.
As the utility model discloses a further optimization scheme, anchor clamps include the anchor clamps base of connecting rotatory slip table through the pivot, and the top of anchor clamps base is equipped with the solid fixed splint that two symmetries set up, is equipped with the clearance of centre gripping sample between the solid fixed splint, and one of them solid fixed splint's inboard is equipped with movable clamp plate, and movable clamp plate passes through bolted connection solid fixed splint, can adjust movable clamp plate's position through rotatory bolt, makes its removal clamp sample in the clearance.
As the utility model discloses a further optimization scheme, the slip table passes through slide rail and elevating platform sliding connection, and the bottom of slip table is equipped with the spout with slide rail clearance fit.
As the utility model discloses a further optimization scheme, linear drive mechanism includes that ball screw is vice and the servo motor who is connected with ball screw is vice, and servo motor's output shaft passes through the one end of the vice lead screw of coupling joint ball screw, and the vice lead screw of ball screw runs through main slip table, is equipped with on the main slip table with the vice lead screw clearance fit's of ball screw hole, and the both ends of lead screw are passed through the bearing and are rotated with main slip table and be connected, the vice nut fixed connection slide of ball screw. The servo motor drives the screw rod of the ball screw pair to rotate, and then drives the main sliding table to slide along the sliding rail through the nut.
As a further optimization scheme of the utility model, the power value sensor is pressure sensor.
As a further optimization scheme of the utility model, be equipped with linear bearing between guide bar and the slip table.
As the utility model discloses a further optimization scheme, the bottom of anchor clamps is equipped with the screw, and the screw extends to the rotatory slip table of anchor clamps below, through the frictional force mounting fixture between screw and the rotatory slip table. The screw is screwed to continue rotating the clamp.
As a further optimization scheme of the utility model, set up the angle scale in the pivot of the bottom of anchor clamps, pivot and anchor clamps fixed connection to with be connected through the bearing between the rotatory slip table, and set up the pointer on rotatory slip table.
The beneficial effects of the utility model reside in that:
1) the multi-direction adjustment is realized, the sample rotates, and the operation is simple and convenient;
2) the sliding table and the force value sensor are used, so that the force application is accurate, and the positioning precision is high;
3) the pointer of the angle scale indicates the angle, so that the angle display is more visual.
Drawings
Fig. 1 is a schematic structural diagram of the present invention in the first embodiment;
fig. 2 is a front view of the present invention according to the first embodiment;
fig. 3 is a side view of the present invention in the first embodiment;
fig. 4 is a plan view of the present invention in the first embodiment.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 1 to 4, a pipe bending moment test apparatus includes:
the top of the machine body 1 is provided with a platform 5, and the top of the platform 5 is provided with a clamp 7 for fixing a sample, an adjusting device and a force application device;
the adjusting device comprises a front sliding table 2, a rear sliding table 2, a left sliding table 3 and a right sliding table 3 which are perpendicular to the front sliding table 2, and a rotating sliding table 4 which is arranged at the top of the left sliding table 3 and the right sliding table 3; the front sliding table 2 and the rear sliding table 2 are detachably connected with the platform 5, the left sliding table 3 and the right sliding table 3 are detachably connected with the front sliding table 2 and the rear sliding table 2, the rotary sliding table 4 is detachably connected with the left sliding table 3 and the right sliding table 3, and the top of the rotary sliding table 4 is rotatably connected with the clamp 7 through a rotating shaft;
be equipped with first fixed orifices on slip table 2 around, be equipped with on platform 5 with slip table 2 around first fixed orifices complex a plurality of second fixed orifices of arranging along the fore-and-aft direction, the screw passes around slip table 2 on first fixed orifices and the platform 5 on the second fixed orifices will be connected with slip table 2 and platform 5 around. Because the second fixing holes are arranged in a row and are provided with a plurality of second fixing holes matched with the first fixing holes, after the front sliding table 2 moves back and forth to adjust the position, the front sliding table 2 and the rear sliding table 2 can be connected through screws corresponding to the new second fixing holes, so that the position of the front sliding table 2 and the rear sliding table 2 can be adjusted;
and a third fixing hole is formed in the left sliding table 3, a plurality of fourth fixing holes distributed along the left and right directions are formed in the front sliding table 2 and the rear sliding table 2, and screws penetrate through the third fixing holes and the fourth fixing holes to connect the front sliding table 2 and the rear sliding table with the left sliding table 3 and the right sliding table 3.
Because the fourth fixing holes are arranged in a row and a plurality of fourth fixing holes matched with the third fixing holes are formed, after the left sliding table 3 and the right sliding table 3 move back and forth to adjust positions, the third fixing holes on the left sliding table 3 and the right sliding table 3 can be connected through screws corresponding to the new fourth fixing holes, so that the positions of the left sliding table 3 and the right sliding table 3 are adjusted;
the force application device comprises a lifting table 11 and a lifting mechanism connected with the lifting table 11, wherein the top of the lifting table 11 is provided with a main sliding table 13 connected with the lifting table 11 in a sliding manner and a linear driving mechanism connected with the main sliding table 13, one end of the main sliding table 13, which is close to the clamp 7, is provided with a force application shaft 15, and a force value sensor 14 is arranged between the force application shaft 15 and the main sliding table 13;
the lifting mechanism comprises a guide rod 10 fixedly arranged at the bottom of the lifting platform 11, the bottom of the guide rod 10 penetrates through the platform 5 and is in sliding connection with the platform 5, and the bottom of the platform 5 is provided with a manual screw rod lifting mechanism connected with the bottom of the lifting platform 11;
the manual lead screw lifting mechanism comprises a lifting lead screw 16 which is rotatably connected with the bottom of the sliding table through a bearing, a lifting nut is sleeved on the lifting lead screw 16, a worm wheel is fixedly arranged on the periphery of the lifting nut, the worm wheel is meshed with a worm, and the worm is fixedly connected with a handle 6. The handle 6 rotates to drive the worm, the worm and worm wheel drive drives the lifting nut to rotate, and then the lifting screw rod 16 is driven to move up and down to drive the sliding table to lift. The self-locking action of the worm gear can limit the self-weight of the sliding table to fall, the worm gear and the worm can be arranged in the transmission box 17, and the lifting screw rod 16 and the worm are connected with the transmission box 17 through bearings.
Further, the sliding table is connected with the lifting table 11 in a sliding mode through a sliding rail, and a sliding groove in clearance fit with the sliding rail is formed in the bottom of the sliding table.
Further, the linear driving mechanism comprises a ball screw pair and a servo motor 12 connected with the ball screw pair, an output shaft of the servo motor 12 is connected with one end of a screw rod of the ball screw pair through a coupler, the screw rod of the ball screw pair penetrates through the main sliding table 13, a hole in clearance fit with the screw rod of the ball screw pair is formed in the main sliding table 13, two ends of the screw rod are rotatably connected with the main sliding table 13 through bearings, and a nut of the ball screw pair is fixedly connected with the sliding base. The servo motor 12 drives the screw rod of the ball screw pair to rotate, and then drives the main sliding table 13 to slide along the sliding rail through the nut.
Further, the force value sensor 14 is a pressure sensor.
Further, a linear bearing 9 is arranged between the guide rod 10 and the sliding table.
Further, the bottom of the clamp 7 is provided with a screw, the screw extends to the rotary sliding table 4 below the clamp 7, and the clamp 7 is fixed through the friction force between the screw and the rotary sliding table 4. The screw is screwed to continue rotating the clamp 7.
And an angle scale can be further arranged on a rotating shaft at the bottom of the clamp 7, the rotating shaft is fixedly connected with the clamp 7 and is connected with the rotating sliding table 4 through a bearing, and a pointer is arranged on the rotating sliding table 4 and is used for reading the rotating angle of the clamp 7.
The utility model discloses a structural feature and theory of operation:
a preparation stage: clamping a sample on a clamp 7, starting a linear driving mechanism to drive an application shaft 15 to move forwards to a position close to a guide pipe 8 of the sample, wherein the guide pipe 8 may not be aligned with the application shaft 15;
then, the guide pipe 8 is initially aligned to the center of the force application shaft 15 by disassembling and moving the front and rear sliding tables 2 and the left and right sliding tables 3, and finally, the guide pipe 8 is aligned to the center of the force application shaft 15 by rotating the sample fine adjustment position through the rotating sliding table 4, so that the force application shaft 15 moves forwards to be capable of contacting the guide pipe 8. After alignment, the vertical distance between the axis of the force application shaft 15 and the top surface of the sample is measured (the sample is generally an installation box, one surface of the installation box connecting conduit 8 is arranged on the top surface during clamping), the vertical distance is also a force arm, the bending moment (a preset value) applied during testing is equal to the force arm multiplied by the force application, and the required force application is calculated according to the relationship;
as an automated implementation:
the signal input end of a servo motor 12 of the linear driving mechanism is connected with a PLC, the signal output end of a force value sensor 14 is connected with the PLC, the measured vertical distance and the tested bending moment are input on a human-computer interaction interface of the PLC in a preparation stage, the PLC calculates the required force application according to the relation (formula), then the PLC starts the servo motor 12 to drive a force application shaft 15 to move forwards to apply force to a guide pipe 8 until the sensor detects that the force application reaches the required force application, at the moment, the PLC stops the servo motor 12 and keeps for a period of time (which can be 1min), and then the PLC starts the servo motor 12 to drive the force application shaft 15 to reset;
after the test process, the clamp is rotated for 760 degrees, then the screw is screwed for fixing, and the operation is repeated for 5 times.
The utility model discloses a pipe bending moment test device simple structure, simple operation have following beneficial effect: 1) the multi-direction adjustment is realized, the sample rotates, and the operation is simple and convenient; 2) the sliding table and the force value sensor 14 are used, so that the force application is accurate, and the positioning precision is high; 3) the pointer of the angle scale indicates the angle, so that the angle display is more visual.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The utility model provides a pipe bending moment test device which characterized in that: the method comprises the following steps:
the top of the platform is provided with a clamp, an adjusting device and a force application device for fixing a sample;
the adjusting device comprises a front sliding table, a rear sliding table, a left sliding table, a right sliding table and a rotating sliding table, wherein the left sliding table and the right sliding table are perpendicular to the front sliding table and the rear sliding table; the rotary sliding table is detachably connected with the left sliding table and the right sliding table, and the top of the rotary sliding table is rotatably connected with the clamp through a rotating shaft;
the front sliding table and the rear sliding table are provided with first fixing holes, the platform is provided with a plurality of second fixing holes which are matched with the first fixing holes of the front sliding table and the rear sliding table and are distributed along the front-back direction, and screws penetrate through the first fixing holes on the front sliding table and the rear sliding table and the second fixing holes on the platform to connect the front sliding table and the rear sliding table with the platform;
the left sliding table and the right sliding table are provided with third fixing holes, the front sliding table and the rear sliding table are provided with a plurality of fourth fixing holes distributed along the left direction and the right direction, and screws penetrate through the third fixing holes and the fourth fixing holes to connect the front sliding table and the rear sliding table with the left sliding table and the right sliding table;
the force application device comprises a lifting table and a lifting mechanism connected with the lifting table, a main sliding table connected with the lifting table in a sliding mode and a linear driving mechanism connected with the main sliding table are arranged at the top of the lifting table, a force application shaft is arranged at one end, close to the clamp, of the main sliding table, and a force value sensor is arranged between the force application shaft and the main sliding table;
the lifting mechanism comprises a guide rod fixedly arranged at the bottom of the lifting platform, the bottom of the guide rod penetrates through the platform and is in sliding connection with the platform, and a manual lead screw lifting mechanism connected with the bottom of the lifting platform is arranged at the bottom of the platform.
2. The pipe bending moment test device according to claim 1, wherein: manual lead screw elevating system includes rotates the lift lead screw of connecting the slip table bottom through the bearing, and the cover has the lift nut on the lift lead screw, and the periphery of lift nut is fixed and is equipped with the worm wheel, and the worm wheel meshes with the worm, worm fixed connection handle.
3. The pipe bending moment test device according to claim 1, wherein: the anchor clamps include the anchor clamps base of connecting rotatory slip table through the pivot, and the top of anchor clamps base is equipped with the solid fixed splint that two symmetries set up, is equipped with the clearance of centre gripping sample between the solid fixed splint, and the inboard of one of them solid fixed splint is equipped with movable clamp plate, and movable clamp plate passes through bolted connection solid fixed splint.
4. The pipe bending moment test device according to claim 1, wherein: the sliding table is connected with the lifting table in a sliding mode through a sliding rail, and a sliding groove in clearance fit with the sliding rail is formed in the bottom of the sliding table.
5. The pipe bending moment test device according to claim 1, wherein: the linear driving mechanism comprises a ball screw pair and a servo motor connected with the ball screw pair, an output shaft of the servo motor is connected with one end of a screw rod of the ball screw pair through a coupler, the screw rod of the ball screw pair penetrates through a main sliding table, a hole in clearance fit with the screw rod of the ball screw pair is formed in the main sliding table, two ends of the screw rod are rotatably connected with the main sliding table through bearings, and a nut of the ball screw pair is fixedly connected with a sliding seat.
6. The pipe bending moment test device according to claim 1, wherein: the force value sensor is a pressure sensor.
7. The pipe bending moment test device according to claim 1, wherein: and a linear bearing is arranged between the guide rod and the sliding table.
8. The pipe bending moment test device according to claim 1, wherein: the bottom of anchor clamps is equipped with the screw, and the screw extends to the rotatory slip table of anchor clamps below, through the frictional force fixed fixture between screw and the rotatory slip table.
9. The pipe bending moment test device according to claim 1, wherein: the angle scale is arranged on a rotating shaft at the bottom of the clamp, the rotating shaft is fixedly connected with the clamp and is connected with the rotating sliding table through a bearing, and a pointer is arranged on the rotating sliding table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849197.3U CN212932245U (en) | 2020-08-28 | 2020-08-28 | Pipe bending moment test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849197.3U CN212932245U (en) | 2020-08-28 | 2020-08-28 | Pipe bending moment test device |
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| Publication Number | Publication Date |
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| CN212932245U true CN212932245U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021849197.3U Active CN212932245U (en) | 2020-08-28 | 2020-08-28 | Pipe bending moment test device |
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| CN (1) | CN212932245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447179A (en) * | 2021-07-06 | 2021-09-28 | 宁波拓普集团股份有限公司 | Ball hinge torque detection test tool |
-
2020
- 2020-08-28 CN CN202021849197.3U patent/CN212932245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447179A (en) * | 2021-07-06 | 2021-09-28 | 宁波拓普集团股份有限公司 | Ball hinge torque detection test tool |
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