Elastic clamp pull-off test device
By designing an adjustable elastic clamp pull-out test device, the problem of limited testing range of existing devices was solved, and stable testing of various types of clamps was achieved, thus expanding the testing range.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-03-20
AI Technical Summary
The existing pull-out test equipment's test pipe fixing method cannot be flexibly adjusted, resulting in the test objects being limited to elastic clamps of specific specifications, thus limiting the testing range.
An elastic clamp pull-out test device was designed, comprising a base plate, a sliding block, a drive assembly, a tension sensor, an external fixing assembly, and an internal fixing assembly. The sliding block and the drive assembly achieve stable fixation of the test hose and rigid pipe, and the tension sensor detects the maximum bearing force of the clamp.
It enables testing of various clamp models, expanding the testing range. It allows for the selection of appropriate test hoses and rigid tubes based on the clamp model, ensuring the stability and wide applicability of the test.
Smart Images
Figure CN224019477U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a clamp detection technical field, especially in an elastic clamp pull -off test device. BACKGROUND
[0002] Mechanical and electrical engineering installation is the process of installing, debugging and running various equipment such as mechanical equipment, electrical equipment, ventilation equipment and heating equipment according to design requirements. During the installation process, according to the engineering requirements, medium characteristics and environmental conditions, part of the pipeline needs to be connected with the hose and the hard pipe. When the hose and the hard pipe are connected, the elastic clamp is usually used for fastening to ensure the sealing and reliability of the connection. After the factory produces the elastic clamp, the elastic clamp needs to be clamped on the pull-off test device test pipeline for pull-off test by using the pull-off test device, so as to ensure the strength of the connecting pipeline of the elastic clamp and test whether the elastic clamp is qualified.
[0003] At present, the test pipeline of most pull-off test devices is fixed on the pull-off test device, and this fixed mode has obvious limitations, cannot flexibly adjust the pipeline diameter, and leads to the limitation of the test object to the elastic clamp of a specific specification, so the test range is very limited. UTILITY MODEL CONTENTS
[0004] In order to solve the above problems, the utility model provides an elastic clamp pull-off test device.
[0005] The utility model discloses a technical purpose above is realized through the following technical scheme: a kind of elastic clamp pull-off test device, including substrate, the first sliding seat, second sliding seat are slidably arranged on the substrate, the substrate is provided with the drive component of the synchronous reverse sliding of the drive of two sliding seats, installation slot is opened in the first sliding seat, sliding block is slidably arranged in the installation slot, horizontal tension sensor is arranged between the installation slot groove wall away from the side of sliding block of second sliding seat, external fixing assembly is arranged on the sliding block and second sliding seat, internal fixing assembly is also arranged on the second sliding seat, the external fixing assembly includes mounting bracket, fixed tube is arranged on the mounting bracket, a plurality of slide holes are opened in circumferential direction on the fixed tube, slide rod is slidably arranged in the slide hole, the one end of the slide rod is provided with pressing plate inside the fixed tube, fixed frame is provided on the fixed tube outer wall corresponding to slide hole, first threaded rod is rotatably arranged on the fixed frame, the slide rod is screw-connected with first threaded rod through threaded hole, the internal fixing assembly includes connecting bracket, installation pipe is arranged on the connecting bracket, square hole is opened in the installation pipe corresponding to slide hole, square rod is slidably arranged in the square hole, the one end of the square rod is located outside the installation pipe and is provided with push plate, and the other end is located inside the installation pipe and is provided with wedge-shaped block, square tube is horizontally arranged on the second sliding seat, square column is slidably arranged in the square tube, taper is provided on the side of the square column close to wedge-shaped block, and the taper is matched with a plurality of wedge-shaped blocks.
[0006] By adopting the above technical scheme, the first sliding seat, the second sliding seat, the drive assembly, the tension sensor, the external fixing assembly and the internal fixing assembly are arranged, when the clamp needs to be tested, the test hose and the test hard tube that are suitable are selected, the test hard tube is fixed by the external fixing assembly on the sliding block, the test hose is lifted from the inside by the internal fixing assembly on the second sliding seat, and then the test hose is fixed by the external fixing assembly on the second sliding seat, so that the stability of the test hose is ensured. Then, one end of the test hose is sleeved on the test hard tube, and the elastic clamp is tightly clamped at the overlapping position of the test hose and the test hard tube. Then, the first sliding seat and the second sliding seat are driven to slide reversely by the drive assembly, and the maximum force that can be borne by the clamp when the clamp is subjected to the pulling force is detected by the tension sensor, so that whether the clamp is qualified or not is judged. According to the model of the clamp, the test hose and the test hard tube that are suitable are selected, the test range is wide, and the test of various models of clamps can be met.
[0007] Further, the first threaded rod is provided with a bevel gear at one end, a rotating ring is rotatably arranged on the fixed tube, a bevel gear ring is fixedly arranged on the rotating ring, and the bevel gear ring is engaged with a plurality of bevel gears.
[0008] By adopting the technical scheme, the bevel gears, the rotating ring and the bevel gear ring are arranged, the rotating ring is rotated to drive the bevel gear ring to rotate, thereby driving the plurality of bevel gears to rotate synchronously, the plurality of first threaded rods are driven to rotate synchronously, and the plurality of pressing plates are driven to move synchronously to the middle part of the fixed tube.
[0009] Further, a plurality of protrusions are arranged on the side of the pressing plate away from the sliding rod.
[0010] Further, the side of the wedge-shaped block away from the square rod is a slope surface, and the slope surface is in contact with the surface of the frustum.
[0011] Further, a compression spring is arranged on the rod between the wedge-shaped block and the installation tube, one end of the compression spring is connected with the wedge-shaped block, and the other end of the compression spring is connected with the installation tube.
[0012] By adopting the technical scheme, the compression spring is arranged, when the wedge-shaped block moves, the compression spring is compressed, after the test is completed, the square column and the frustum are reset, and the compression spring loses the limitation to drive the wedge-shaped block, the square rod and the pressing plate to reset.
[0013] Further, a fixed plate is vertically arranged on the second sliding seat, a second threaded rod is horizontally arranged and rotates on the fixed plate, the square column is screw-connected with the second threaded rod through the threaded hole, a worm wheel is fixedly sleeved on the second threaded rod, a worm is horizontally arranged and rotates on the second sliding seat, the worm is matched with the worm wheel, and a rocking handle is arranged at one end of the worm.
[0014] By adopting the technical scheme, the fixed plate, the second threaded rod, the worm wheel, the worm and the rocking handle are arranged, the worm is driven to rotate by rocking the rocking handle, the worm wheel is driven to rotate due to the matching between the worm and the worm wheel, the square column is driven to slide in the square tube to drive the frustum to move.
[0015] Further, two vertical plates are arranged on the base plate at intervals, a bidirectional threaded rod is rotatably arranged between the two vertical plates, the first sliding seat and the second sliding seat are screw-connected with the two sides of the bidirectional threaded rod through the threaded holes, a driving motor is horizontally arranged on one side of the base plate, and one end of the bidirectional threaded rod penetrates through the vertical plate and is connected with the output shaft of the driving motor.
[0016] By adopting the technical scheme, the vertical plate, the bidirectional threaded rod and the driving motor are arranged, the bidirectional threaded rod is driven to rotate by the driving motor, and the first sliding seat and the second sliding seat are synchronously driven to slide to the middle part of the bidirectional threaded rod or synchronously driven to slide away from the middle part of the bidirectional threaded rod.
[0017] In conclusion, the utility model has the following beneficial effects: setting first sliding seat, second sliding seat, drive assembly, tension sensor, external fixing assembly, internal fixing assembly, when needing to test the clamp, selecting the test flexible pipe and test hard pipe suitable for adaptation, fixing the test hard pipe through the external fixing assembly on the sliding block, through the internal fixing assembly on the second sliding seat, supporting the test flexible pipe from inside, fixing again through the external fixing assembly on the second sliding seat, guaranteeing the stability of the fixed test flexible pipe. Then, the one end of test flexible pipe is sleeved on the test hard pipe, and the elastic clamp is tightly buckled at the coincident place of test flexible pipe and test hard pipe. Then, the drive assembly drives the first sliding seat and second sliding seat to slide reversely, and the tension sensor detects the maximum force that the clamp can bear when being subjected to the pulling force, so as to judge whether the clamp is qualified. According to the model of the clamp, the test flexible pipe and test hard pipe suitable for adaptation are selected, the test range is wide, and the test of various models of clamps can be met. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model embodiment;
[0019] Figure 2 It is the structure schematic diagram of the first sliding seat, external fixing assembly of the utility model embodiment;
[0020] Figure 3 It is the structure schematic diagram of the fixed frame, slide rod, pressing plate of the utility model embodiment;
[0021] Figure 4 It is the structure schematic diagram of the second sliding seat, external fixing assembly, internal fixing assembly of the utility model embodiment;
[0022] Figure 5 It is the structure schematic diagram of the internal fixing assembly of the utility model embodiment;
[0023] Figure 6 It is the structure schematic diagram of the second sliding seat, internal fixing assembly of the utility model embodiment.
[0024] In the figure: 10, base plate; 11, first sliding seat; 12, mounting groove; 13, sliding block; 14, tension sensor; 15, second sliding seat; 20, driving assembly; 21, vertical plate; 22, two-way threaded rod; 23, driving motor; 30, external fixing assembly; 31, mounting frame; 32, fixed tube; 33, sliding rod; 34, pressing plate; 341, protruding block; 35, fixed frame; 36, first threaded rod; 37, bevel gear; 38, rotating ring; 39, bevel gear ring; 40, internal fixing assembly; 41, connecting frame; 42, mounting tube; 43, square rod; 431, compression spring; 44, pushing plate; 45, wedge-shaped block; 46, square tube; 461, square column; 462, frustum; 47, fixed plate; 48, second threaded rod; 481, worm wheel; 482, worm; 483, rocking handle. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0026] As Figures 1-6As shown, the embodiment of the application discloses a kind of elastic clamp pull-off test device, including base plate 10, first sliding seat 11, second sliding seat 15, drive assembly 20, first sliding seat 11, second sliding seat 15 slidingly arranged on base plate 10, drive assembly 20 is arranged on base plate 10, for driving two sliding seats synchronous reverse sliding.First sliding seat 11 is equipped with installation groove 12, sliding block 13 is slidably arranged in installation groove 12, and horizontal tension sensor 14 is arranged between the side of sliding block 13 away from second sliding seat 15 and the groove wall of installation groove 12, external fixing assembly 30 is arranged on sliding block 13 and second sliding seat 15, and internal fixing assembly 40 is further arranged on second sliding seat 15, when needing to test clamp, select the test pipeline of adaptation, test sub-pipe is divided into test flexible pipe and test rigid pipe, test rigid pipe is fixed by external fixing assembly 30 on sliding block 13, test flexible pipe is lifted from inside by internal fixing assembly 40 on second sliding seat 15, then fixed by external fixing assembly 30 on second sliding seat 15, to ensure the stability of test flexible pipe fixed.Then one end of test flexible pipe is sleeved on test rigid pipe, and then elastic clamp is tightly clamped at the coincident place of test flexible pipe and test rigid pipe.Again, drive assembly 20 drives first sliding seat 11 and second sliding seat 15 to slide reversely, and tension sensor 14 detects the maximum force that clamp can bear when being subjected to pulling force, to determine whether clamp is qualified or not.According to the model of clamp, select appropriate test flexible pipe and test rigid pipe, test range is wide, can meet the test of multiple models of clamp.
[0027] Specifically, the external fixing assembly 30 comprises a mounting frame 31, and a fixing tube 32 is arranged on the mounting frame 31; the fixing tubes 32 in the two external fixing assemblies 30 are concentrically arranged. A plurality of sliding holes are formed in the circumferential direction of the fixing tube 32, and a sliding rod 33 is slidably arranged in the sliding hole; a pressing plate 34 is arranged at one end of the sliding rod 33 inside the fixing tube 32, and a plurality of protrusions 341 are arranged on the side of the pressing plate 34 away from the sliding rod 33. A fixing frame 35 is arranged on the outer wall of the fixing tube 32 and corresponds to the sliding hole; the fixing frame 35 comprises two first connecting plates arranged at intervals and a second connecting plate connecting the two first connecting plates. A first threaded rod 36 is rotatably arranged on the fixing frame 35, a square rod 43 is screw-connected with the corresponding first threaded rod 36 through a threaded hole, the sliding rod 33 is moved by rotating the first threaded rod 36, and the pressing plate 34 is moved to contact the outer wall of the test pipeline. One end of the first threaded rod 36 penetrates through the fixing frame 35 and is provided with a bevel gear 37, a rotating ring 38 is rotatably arranged on the fixing tube 32, a bevel gear ring 39 is fixedly arranged on the rotating ring 38, the bevel gear ring 39 is engaged with the plurality of bevel gears 37, the bevel gear ring 39 is rotated by rotating the rotating ring 38, thereby driving the plurality of bevel gears 37 to rotate synchronously, the plurality of first threaded rods 36 are driven to rotate synchronously, and the plurality of pressing plates 34 are driven to move synchronously to the middle of the fixing tube 32. A plurality of control columns are circumferentially arranged on one side of the rotating ring 38, which facilitates the rotation of the rotating ring 38 by the staff.
[0028] When arranged, the internal fixing assembly 40 comprises a connecting frame 41, and a mounting tube 42 is arranged on the connecting frame 41; a square hole is formed in the mounting tube 42 and corresponds to the sliding hole, and a square rod 43 is slidably arranged in the square hole; one end of the square rod 43 is located outside the mounting tube 42 and is provided with a push plate 44, and the other end is located inside the mounting tube 42 and is provided with a wedge-shaped block 45; the surface of the wedge-shaped block 45 away from the square rod 43 is an inclined surface, and the distance from the side of the first sliding block 13 close to the inclined surface to the square rod 43 is greater than the distance from the side of the first sliding block 13 away from the inclined surface to the square rod 43. A square tube 46 is horizontally arranged on the second sliding seat 15, a square column 461 is slidably arranged in the square tube 46, a conical platform 462 is arranged on the side of the square column 461 close to the wedge-shaped block 45, the conical platform 462 cooperates with the plurality of wedge-shaped blocks 45, the inclined surface of the wedge-shaped block 45 is in contact with the surface of the conical platform 462, and the conical platform 462 is moved by sliding the square column 461; because the square rod 43 and the square hole limit the moving direction of the wedge-shaped block 45, the wedge-shaped block 45 is moved to drive the plurality of square rods 43 and the push plates 44 to move, and the plurality of push plates 44 support and fix the inner wall of the experimental hose. A compression spring 431 is arranged on the rod body of the square rod 43 between the wedge-shaped block 45 and the mounting tube 42, one end of the compression spring 431 is connected with the wedge-shaped block 45, and the other end is connected with the mounting tube 42; when the wedge-shaped block 45 moves, the compression spring 431 is compressed; after the test is completed, the square column 461 and the conical platform 462 are reset, and the compression spring 431 loses the limitation to push the wedge-shaped block 45, the square rod 43 and the push plate 44 to reset.
[0029] The second sliding seat 15 is vertically provided with a fixed plate 47, the fixed plate 47 is horizontally rotatably provided with a second threaded rod 48, the length direction of the second threaded rod 48 is consistent with the length direction of a square column 461. The square column 461 is screw-connected with the second threaded rod 48 through a threaded hole, the second threaded rod 48 rotates to drive the square column 461 to slide in the square tube 46 and drive the conical frustum 462 to move. The second threaded rod 48 is fixedly sleeved with a worm wheel 481, the second sliding seat 15 is horizontally rotatably provided with a worm gear 482, the worm gear 482 cooperates with the worm wheel 481, one end of the worm gear 482 is provided with a rocking handle 483, rocking the rocking handle 483 drives the worm gear 482 to rotate, since the worm gear 482 cooperates with the worm wheel 481, the worm wheel 481 rotates to drive the second threaded rod 48 to rotate.
[0030] Specifically, two vertical plates 21 are arranged on the base plate 10 at intervals, a bidirectional threaded rod 22 is rotatably arranged between the two vertical plates 21, the first sliding seat 11 and the second sliding seat 15 are screw-connected with two sides of the bidirectional threaded rod 22 through threaded holes, a driving motor 23 is horizontally arranged on one side of the base plate 10, one end of the bidirectional threaded rod 22 penetrates through the vertical plate 21 and is connected with an output shaft of the driving motor 23, the driving motor 23 drives the bidirectional threaded rod 22 to rotate, so that the first sliding seat 11 and the second sliding seat 15 synchronously slide to the middle part of the bidirectional threaded rod 22 or synchronously slide to the direction away from the middle part of the bidirectional threaded rod 22.
[0031] The principle of using the elastic clamp pull-off test device in the embodiment is as follows: when the clamp needs to be tested, the test hose and the test hard pipe are selected, the test hard pipe is placed in the fixed pipe 32 on the sliding block 13, then the rotating ring 38 is rotated to drive the bevel gear ring 39 to rotate, thereby driving the plurality of bevel gears 37 to rotate synchronously, the plurality of first threaded rods 36 are synchronously rotated, and the plurality of pressing plates 34 are synchronously moved to the middle of the fixed pipe 32 to fix the test hard pipe. Then, the test hose is placed in the fixed pipe 32 on the second sliding seat 15, then the shaking handle 483 is shaken to drive the worm 482 to rotate, the worm wheel 481 is rotated to drive the second threaded rod 48 to rotate, thereby the square column 461 is slid in the square tube 46 to drive the plurality of square rods 43 and the push plates 44 to move, the plurality of push plates 44 support and fix the inner wall of the test hose. Then, the rotating ring 38 on the second sliding seat 15 is rotated to drive the bevel gear ring 39 to rotate, thereby driving the plurality of bevel gears 37 and the first threaded rods 36 to rotate synchronously, and the plurality of pressing plates 34 are synchronously moved to the middle of the fixed pipe 32 to fix the test hose. Then, one end of the test hose is sleeved on the test hard pipe, and the elastic clamp is clamped at the overlapping position of the test hose and the test hard pipe. Then, the driving motor 23 is started to drive the bidirectional threaded rod 22 to rotate, the first sliding seat 11 and the second sliding seat 15 are reversely slid, the tensile sensor 14 detects the maximum force that can be borne by the clamp when the clamp is subjected to the pulling force, and whether the clamp is qualified is judged.
[0032] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-described embodiments. Any technical solution falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the present application are also considered to be within the protection scope of the present application.
Claims
1. A test device for elastic clamp pull-out, characterized in that: Includes a substrate (10), on which a first sliding seat (11) and a second sliding seat (15) are slidably disposed. A driving assembly (20) for driving the two sliding seats to slide synchronously in opposite directions is provided on the substrate (10). A mounting groove (12) is provided on the first sliding seat (11), and a sliding block (13) is slidably disposed in the mounting groove (12). A tension sensor is horizontally disposed between the side of the sliding block (13) away from the second sliding seat (15) and the groove wall of the mounting groove (12). The device (14) is provided with external fixing components (30) on both the sliding block (13) and the second sliding seat (15). The second sliding seat (15) is also provided with an internal fixing component (40). The external fixing component (30) includes a mounting bracket (31). A fixing tube (32) is provided on the mounting bracket (31). The fixing tube (32) has several sliding holes circumferentially opened. A sliding rod (33) is slidably arranged in the sliding holes. The sliding rod (33) is located inside the fixing tube (32). The end is provided with a pressure plate (34), and a fixing bracket (35) is provided on the outer wall of the fixing tube (32) corresponding to the sliding hole. A first threaded rod (36) is rotatably provided on the fixing bracket (35). The sliding rod (33) is spirally connected to the first threaded rod (36) through a threaded hole. The internal fixing component (40) includes a connecting bracket (41). An installation tube (42) is provided on the connecting bracket (41). A square hole is opened on the installation tube (42) corresponding to the sliding hole. A square... A rod (43) is provided with a push plate (44) at one end of the square rod (43) located outside the mounting tube (42) and a wedge block (45) at the other end. A square tube (46) is horizontally provided on the second sliding seat (15). A square column (461) is slidably provided inside the square tube (46). A frustum (462) is provided on the side of the square column (461) near the wedge block (45). The frustum (462) cooperates with several wedge blocks (45).
2. The elastic clamp pull-out test device according to claim 1, characterized in that: One end of the first threaded rod (36) passes through the fixed frame (35) and is provided with a bevel gear (37). A rotating ring (38) is rotatably sleeved on the fixed tube (32). A bevel gear ring (39) is fixedly sleeved on the rotating ring (38). The bevel gear ring (39) meshes with several bevel gears (37).
3. The elastic clamp pull-out test device according to claim 1, characterized in that: The pressure plate (34) has several protrusions (341) on the side away from the slide bar (33).
4. The elastic clamp pull-out test device according to claim 1, characterized in that: The surface of the wedge block (45) away from the square rod (43) is an inclined surface, which is in contact with the surface of the truncated cone (462).
5. The elastic clamp pull-out test device according to claim 4, characterized in that: A compression spring (431) is fitted on the square rod (43) located between the wedge block (45) and the mounting tube (42). One end of the compression spring (431) is connected to the wedge block (45), and the other end is connected to the mounting tube (42).
6. The elastic clamp pull-out test device according to claim 5, characterized in that: A fixed plate (47) is vertically arranged on the second sliding seat (15), and a second threaded rod (48) is horizontally rotatably arranged on the fixed plate (47). The square column (461) is helically connected to the second threaded rod (48) through a threaded hole. A worm gear (481) is fixedly sleeved on the second threaded rod (48). A worm (482) is horizontally rotatably arranged on the second sliding seat (15). The worm (482) cooperates with the worm gear (481). A crank handle (483) is provided at one end of the worm (482).
7. The elastic clamp pull-out test device according to claim 1, characterized in that: Two vertical plates (21) are spaced apart on the substrate (10). A bidirectional threaded rod (22) is rotatably arranged between the two vertical plates (21). The first sliding seat (11) and the second sliding seat (15) are respectively spirally connected to both sides of the bidirectional threaded rod (22) through threaded holes. A drive motor (23) is horizontally arranged on one side of the substrate (10). One end of the bidirectional threaded rod (22) passes through the vertical plate (21) and is connected to the output shaft of the drive motor (23).