CN216410575U - Rigidity testing machine for cable protection pipe ring - Google Patents
Rigidity testing machine for cable protection pipe ring Download PDFInfo
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- CN216410575U CN216410575U CN202123149248.9U CN202123149248U CN216410575U CN 216410575 U CN216410575 U CN 216410575U CN 202123149248 U CN202123149248 U CN 202123149248U CN 216410575 U CN216410575 U CN 216410575U
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Abstract
The utility model discloses a rigidity testing machine for a cable protection pipe ring, and relates to the technical field of rigidity tests. The utility model comprises a frame component, a compression component and a fixing component; the inner wall of the frame component is in threaded rotary connection with a compression component; the inside joint of frame subassembly is provided with fixed subassembly. According to the utility model, under the action of the stabilizing spring, the two movable fixing plates which are hinged and matched at the moving end of the second rotating rod move oppositely through contraction and expansion of the first rotating rod and the second rotating rod, so that the limit support for cable protection pipe rings with different sizes is realized and satisfied, and the cable protection pipe rings are prevented from deviating in the test process; through the removal of last butt board in screw lead screw week side for go up butt board and cable protection pipe ring inner wall contact, and when butt board and cable protection pipe ring inner wall contact down, close servo motor, realized fixing cable protection pipe ring, prevent that it from taking place the displacement at the in-process of carrying out the experiment, influencing experimental final result.
Description
Technical Field
The utility model belongs to the technical field of rigidity tests, and particularly relates to a rigidity testing machine for a cable protection pipe ring.
Background
The cable protection pipe ring rigidity testing machine is composed of a driving loading system, a transmission system, a measurement control system, a data acquisition system, a computer display system and the like, and is suitable for mechanical property tests of various metal materials and non-metal materials. The testing machine adopts a full-digital AC servo motor and a driver, a precise planet wheel speed reducer and a precise ball screw for transmission. Test testing function: the WinXP/7/8 Chinese operating platform has a variable structure PID parameter adjusting function, and achieves full closed-loop control of force, displacement and deformation. The display screen and the operation panel can be set by using a window type operation system taking the graph as an interface; the test speed and various control parameters can be set; the basic test results (fracture value, peak value, and the like) can be displayed in real time; various relevant parameter graphs in the test process can be displayed in real time; the access to the test data can be realized.
When the existing rigidity testing machine for the cable protection pipe ring detects the rigidity of the cable protection pipe ring, the cable protection pipe ring is generally cylindrical and is easy to deviate when detecting the rigidity, so that a certain error exists in a test result; in addition, the size of the cable protection pipe ring per se is different to a certain extent, and the existing cable protection pipe ring rigidity testing machine cannot clamp the cable protection pipe rings with different sizes, so that the testing efficiency is influenced. Therefore, we have designed a cable protection tube ring stiffness tester to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rigidity testing machine for a cable protection pipe ring, which solves the problems that the existing cable protection pipe ring is generally cylindrical and is easy to deviate when rigidity is detected by the existing cable protection pipe ring through the design of a frame assembly, a compression assembly and a fixing assembly, so that a certain error exists in a test result; in addition, the size of the cable protection pipe ring per se is different to a certain extent, and the existing cable protection pipe ring rigidity testing machine cannot clamp the cable protection pipe rings with different sizes, so that the testing efficiency is affected.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a rigidity testing machine for a cable protection pipe ring, which comprises a frame assembly, a compression assembly and a fixing assembly, wherein the frame assembly is fixed on the compression assembly; the inner wall of the frame component is in threaded rotary connection with a compression component; a fixing component is clamped in the frame component;
the fixing component comprises a U-shaped fixing plate; the inner walls of the U-shaped fixed plates are hinged and matched with two first rotating rods; one end of the first rotating rod is hinged and matched with a rectangular piece; a second rotating rod is hinged and matched with one side of the rectangular piece; one end of the second rotating rod is hinged and matched with a movable fixing plate; a stabilizing spring is fixed between one side of the movable fixing plate and the inner wall of the U-shaped fixing plate; the movable fixed plate is in sliding fit with the inner top of the U-shaped fixed plate;
a threaded sleeve is fixed at the top of the rectangular piece; the thread of the threaded sleeve is rotationally matched with a bidirectional screw.
Further, the frame assembly comprises a fixed frame; two driving machines are symmetrically fixed at the bottom in the fixed frame; a precise ball screw is fixed on the output shaft of the driving machine;
a mounting plate is fixed between the inner walls of the fixed frames; clamping holes are symmetrically fixed at the top of the mounting plate; the mounting plate is in running fit with the precise ball screw.
Further, the compression assembly comprises a moving transverse plate; the bottom of the movable transverse plate is fixedly provided with a connecting rod; a pressure sensor is fixed at the bottom of the connecting rod; a compression plate is fixed at the bottom of the pressure sensor; and the movable transverse plate is in threaded running fit with the precision ball screw.
Furthermore, two clamping columns are symmetrically fixed at the bottom of the U-shaped fixing plate; the clamping column is clamped with the clamping hole and is in threaded connection through a nut;
l-shaped plates are fixed on two sides of the opposite surface of the U-shaped fixing plate; the two-way screw rod runs through the L-shaped plate and is in running fit with the L-shaped plate.
Furthermore, a supporting plate is fixed on one side of the U-shaped fixing plate; a sliding rod is fixed at the top of the supporting plate; a servo motor is fixed on the top of the supporting plate; a threaded screw rod is fixed on the output shaft of the servo motor;
a lower abutting plate is fixed on the peripheral side surface of the threaded screw rod; the peripheral side surface of the threaded screw rod is in threaded rotation fit with an upper abutting plate; a stay wire displacement encoder is fixed at the top of the lower supporting plate; the stay wire end of the stay wire displacement encoder is connected with the bottom of the upper abutting plate; the lower abutting plate is fixedly connected with the peripheral side face of the sliding rod; the upper abutting plate is connected with the sliding rod in a sliding mode.
The utility model has the following beneficial effects:
1. according to the utility model, the first rotating rod and the second rotating rod are contracted and expanded by rotating the two bidirectional screw rods, and when the first rotating rod and the second rotating rod are contracted and expanded, the two movable fixing plates which are hinged and matched at the moving end of the second rotating rod move oppositely under the action of the stabilizing spring, so that the limit support of cable protection pipe rings with different sizes is realized and satisfied, and the cable protection pipe rings are prevented from deviating in the test process.
2. According to the utility model, the upper abutting plate is contacted with the inner wall of the cable protection pipe ring through the movement of the upper abutting plate on the peripheral side surface of the threaded screw rod, and the servo motor is turned off when the lower abutting plate is contacted with the inner wall of the cable protection pipe ring, so that the fixation of the cable protection pipe ring is realized, and the cable protection pipe ring is prevented from being displaced in the test process to influence the final test result.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cable protection tube ring rigidity testing machine.
Fig. 2 is a schematic structural view of the frame assembly.
Fig. 3 is a schematic view of the compression assembly.
Fig. 4 is a front view of the compression assembly.
Fig. 5 is a schematic structural view of the fixing assembly.
In the drawings, the components represented by the respective reference numerals are listed below:
1-frame component, 101-fixed frame, 102-driving machine, 103-precision ball screw, 104-mounting plate, 105-clamping hole, 2-compression component, 201-movable transverse plate, 202-connecting rod, 203-pressure sensor, 204-compression plate, 3-fixing component, 301-U-shaped fixing plate, 302-first rotating rod, 303-rectangular piece, 304-second rotating rod, 305-movable fixing plate, 306-stabilizing spring, 307-threaded sleeve, 308-bidirectional screw, 309-clamping column, 310-L-shaped plate, 311-supporting plate, 312-sliding rod, 313-servo motor, 314-threaded screw rod, 315-lower supporting plate, 316-upper supporting plate and 317-stay wire displacement encoder.
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. 1-5, the present invention is a rigidity testing machine for cable protection pipe ring, comprising a frame assembly 1, a compression assembly 2 and a fixing assembly 3; the inner wall of the frame component 1 is in threaded rotary connection with a compression component 2; the frame component 1 is internally provided with a fixing component 3 in a clamping way;
the fixing component 3 comprises a U-shaped fixing plate 301; two first rotating rods 302 are hinged and matched on the inner wall of the U-shaped fixing plate 301; one end of the first rotating rod 302 is hinged and matched with a rectangular piece 303; a second rotating rod 304 is hinged and matched with one side of the rectangular piece 303; one end of the second rotating rod 304 is hinged and matched with a movable fixing plate 305; a stabilizing spring 306 is fixed between one side of the movable fixing plate 305 and the inner wall of the U-shaped fixing plate 301; the movable fixing plate 305 is in sliding fit with the inner top of the U-shaped fixing plate 301;
a threaded sleeve 307 is fixed at the top of the rectangular piece 303; the threaded sleeve 307 is in threaded rotation fit with a bidirectional screw 308; the cable protection tube ring is placed on the supporting plate 311, and the two bidirectional screws 308 are rotated simultaneously, so that the threaded sleeve 307 with the thread rotatably matched and the two rectangular pieces 303 fixed thereon move towards each other, because the inner wall of the U-shaped fixing plate 301 is hinged and matched with the two first rotating rods 302, one end of the first rotating rod 302 is hinged and matched with the rectangular piece 303, one side of the rectangular piece 303 is hinged and matched with the second rotating rod 304, and one end of the second rotating rod 304 is hinged and matched with the movable fixing plate 305, when the rectangular pieces 303 move towards each other, the first rotating rod 302 and the second rotating rod 304 are driven to rotate to achieve the contraction and expansion effects of the two, when the first rotating rod 302 and the second rotating rod 304 contract and expand, under the action force of the stabilizing spring 306 fixed between one side of the movable fixing plate 305 and the inner wall of the U-shaped fixing plate 301, the two movable fixing plates 305 hinged and matched with one end of the second rotating rod 304 move towards each other, the cable protection pipe ring is suitable for cable protection pipe rings with different sizes, and is prevented from shifting in the test process, so that the final test result is influenced.
Wherein, the frame component 1 comprises a fixed frame 101; two driving machines 102 are symmetrically fixed at the bottom in the fixed frame 101; a precision ball screw 103 is fixed on an output shaft of the driving machine 102;
a mounting plate 104 is fixed between the inner walls of the fixed frames 101; the top of the mounting plate 104 is symmetrically fixed with clamping holes 105; the mounting plate 104 is in running fit with the precision ball screw 103;
the compressing assembly 2 comprises a moving transverse plate 201; the bottom of the movable transverse plate 201 is fixed with a connecting rod 202; the bottom of the connecting rod 202 is fixed with a pressure sensor 203; a compression plate 204 is fixed at the bottom of the pressure sensor 203; the movable transverse plate 201 is in threaded rotation fit with the precision ball screw 103; the driving machine 102 is started to drive the precision ball screw 103 to rotate, so that the moving transverse plate 201 moves downwards to extrude the cable protection pipe ring, and the force value change value of deformation in the compression process is recorded and stored through the pressure sensor 203.
Wherein, two clamping columns 309 are symmetrically fixed at the bottom of the U-shaped fixing plate 301; the clamping column 309 is clamped with the clamping hole 105 and is in threaded connection through a nut;
l-shaped plates 310 are fixed on two sides of the opposite surface of the U-shaped fixing plate 301; the bidirectional screw 308 penetrates through the L-shaped plate 310 and is in running fit with the L-shaped plate; through the joint between the column 309 and the joint hole 105, and through the nut and the thread connection, the fixing component 3 is connected on the frame component 1.
Wherein, a supporting plate 311 is fixed on one side of the U-shaped fixing plate 301; a sliding rod 312 is fixed on the top of the supporting plate 311; a servo motor 313 is fixed on the top of the supporting plate 311; a threaded screw rod 314 is fixed on an output shaft of the servo motor 313;
a lower abutting plate 315 is fixed on the peripheral side surface of the threaded screw rod 314; the peripheral side surface of the threaded screw rod 314 is in threaded rotation fit with an upper abutting plate 316; a stay wire displacement encoder 317 is fixed at the top of the lower resisting plate 315; the stay wire end of the stay wire displacement encoder 317 is connected with the bottom of the upper abutting plate 316; the lower resisting plate 315 is fixedly connected with the peripheral side surface of the sliding rod 312; the upper abutting plate 316 is connected with the sliding rod 312 in a sliding way; the servo motor 313 is started, the threaded screw rod 314 is driven to rotate, the upper abutting plate 316 which is matched with the threads on the circumferential side of the threaded screw rod 314 in a rotating mode is made to move, the upper abutting plate 316 is made to move to be in contact with the inner wall of the cable protection pipe ring, and when the lower abutting plate 315 is in contact with the inner wall of the cable protection pipe ring, the servo motor 313 is closed, the inner diameter value of the cable protection pipe ring which changes slightly in the rigidity test process of the cable protection pipe ring is made to be recorded and stored through the stay wire displacement encoder 317, accurate measurement of the inner diameter change of the cable protection pipe ring in the test process is achieved, meanwhile, fixing of the cable protection pipe ring in the test process is achieved, the cable protection pipe ring is prevented from being displaced in the test process, and the final test result is influenced.
The working principle of the embodiment is as follows:
placing the cable protection tube ring on the support plate 311, starting the servo motor 313 to make the upper abutting plate 316 which is in threaded rotation fit with the peripheral side of the threaded screw 314 move, when the upper abutting plate 316 moves to contact with the inner wall of the cable protection tube ring and the lower abutting plate 315 contacts with the inner wall of the cable protection tube ring, closing the servo motor 313, rotating the two-way screws 308 to make the first rotating rod 302 and the second rotating rod 304 contract and expand, when the first rotating rod 302 and the second rotating rod 304 contract and expand, under the acting force of the stabilizing spring 306 fixed between one side of the movable fixing plate 305 and the inner wall of the U-shaped fixing plate 301, making the two movable fixing plates 305 which are hinged and fit with one end of the second rotating rod 304 move oppositely, starting the driving machine 102 to make the movable fixing plate 201 move downwards to extrude the cable protection tube ring, recording and storing the force value change value of deformation in the compression process through the pressure sensor 203, simultaneously, the change value of the inner diameter in the compression process is recorded and stored through the stay wire displacement encoder 317, the limit support of the cable protection pipe rings with different sizes is realized and met, the cable protection pipe rings are prevented from shifting in the test process, meanwhile, the cable protection pipe rings are fixed, and the cable protection pipe rings are prevented from shifting in the test process and influencing the final test result.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A rigidity testing machine for a cable protection pipe ring comprises a frame assembly (1), a compression assembly (2) and a fixing assembly (3); the method is characterized in that: the inner wall of the frame component (1) is in threaded rotary connection with a compression component (2); the frame component (1) is internally provided with a fixing component (3) in a clamping manner;
the fixing component (3) comprises a U-shaped fixing plate (301); the inner walls of the U-shaped fixing plates (301) are hinged and matched with two first rotating rods (302); one end of the first rotating rod (302) is hinged and matched with a rectangular piece (303); one side of the rectangular piece (303) is hinged and matched with a second rotating rod (304); one end of the second rotating rod (304) is hinged and matched with a movable fixing plate (305); a stabilizing spring (306) is fixed between one side of the movable fixing plate (305) and the inner wall of the U-shaped fixing plate (301); the movable fixing plate (305) is in sliding fit with the inner top of the U-shaped fixing plate (301);
a threaded sleeve (307) is fixed at the top of the rectangular piece (303); the thread of the threaded sleeve (307) is rotatably matched with a bidirectional screw (308).
2. The cable protection tube ring stiffness testing machine according to claim 1, wherein the frame assembly (1) comprises a fixed frame (101); two driving machines (102) are symmetrically fixed at the bottom in the fixed frame (101); and a precision ball screw (103) is fixed on an output shaft of the driving machine (102).
3. The cable protection tube ring stiffness testing machine according to claim 2, wherein a mounting plate (104) is fixed between the inner walls of the fixed frames (101); clamping holes (105) are symmetrically fixed at the top of the mounting plate (104); the mounting plate (104) is in running fit with the precision ball screw (103).
4. The cable protection tube ring stiffness testing machine according to claim 3, wherein the compression assembly (2) comprises a moving transverse plate (201); a connecting rod (202) is fixed at the bottom of the moving transverse plate (201); a pressure sensor (203) is fixed at the bottom of the connecting rod (202); a compression plate (204) is fixed at the bottom of the pressure sensor (203); the moving transverse plate (201) is in threaded rotation fit with the precision ball screw (103).
5. The cable protection tube ring rigidity testing machine as claimed in claim 4, wherein two clamping columns (309) are symmetrically fixed at the bottom of the U-shaped fixing plate (301); the clamping column (309) is clamped with the clamping hole (105) and is in threaded connection through a nut;
l-shaped plates (310) are fixed on two sides of the opposite surface of the U-shaped fixing plate (301); the bidirectional screw (308) penetrates through the L-shaped plate (310) and is in running fit with the L-shaped plate.
6. The cable protection tube ring rigidity testing machine according to claim 5, characterized in that a supporting plate (311) is fixed on one side of the U-shaped fixing plate (301); a sliding rod (312) is fixed at the top of the supporting plate (311); a servo motor (313) is fixed on the top of the supporting plate (311); a threaded screw rod (314) is fixed on an output shaft of the servo motor (313);
a lower abutting plate (315) is fixed on the peripheral side surface of the threaded screw rod (314); the peripheral side surface of the threaded screw rod (314) is in threaded rotation fit with an upper abutting plate (316); a stay wire displacement encoder (317) is fixed at the top of the lower supporting plate (315); the stay wire end of the stay wire displacement encoder (317) is connected with the bottom of the upper abutting plate (316); the lower abutting plate (315) is fixedly connected with the peripheral side surface of the sliding rod (312); the upper abutting plate (316) is connected with the sliding rod (312) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123149248.9U CN216410575U (en) | 2021-12-15 | 2021-12-15 | Rigidity testing machine for cable protection pipe ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123149248.9U CN216410575U (en) | 2021-12-15 | 2021-12-15 | Rigidity testing machine for cable protection pipe ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216410575U true CN216410575U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123149248.9U Active CN216410575U (en) | 2021-12-15 | 2021-12-15 | Rigidity testing machine for cable protection pipe ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216410575U (en) |
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2021
- 2021-12-15 CN CN202123149248.9U patent/CN216410575U/en active Active
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