CN214150193U

CN214150193U - Plastic Pipe Pressure Testing Machine

Info

Publication number: CN214150193U
Application number: CN202023029083.7U
Authority: CN
Inventors: 王善波; 李光宏; 马宁; 薛少波
Original assignee: Qingdao Fangyuan Construction Engineering Quality Inspection Co ltd
Current assignee: Qingdao Fangyuan Construction Engineering Quality Inspection Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-07
Anticipated expiration: 2030-12-16

Abstract

The application relates to a plastic pipe pressure testing machine, which belongs to the technical field of testing equipment. The scale is slidably connected with a travel weight on the metering lever, and a weight hanger for placing the weighing weight is hinged at one end of the metering lever away from the load-bearing mechanism. The present application has the effect of facilitating the fine adjustment of the pressure on the plastic pipe and improving the measurement accuracy.

Description

Plastic pipe pressure tester

Technical Field

The application relates to the field of detection equipment, in particular to a plastic pipe compression testing machine.

Background

The plastic pipe is a material commonly used in daily life and widely used for conveying various fluids, and the quality of the plastic pipe is always a key point of attention, so that after the plastic pipe is produced by a manufacturer, a pressure tester is usually needed to perform a pressure test on the plastic pipe so as to ensure that the production quality of the plastic pipe meets the production requirements.

As shown in fig. 1, the compression testing machine comprises a test bed 10, a pressurizing mechanism 101 and a load-carrying mechanism 102 are arranged on the test bed, the load-carrying mechanism 102 comprises a connecting rod 103 connected with the pressurizing mechanism 101, one end, far away from the pressurizing mechanism 101, of the connecting rod 103 is hinged to a linkage rod 104, one end, far away from the connecting rod 103, of the linkage rod 104 is fixedly connected with a load-carrying disc 105, and a weight 106 is placed in the load-carrying disc 106.

In view of the above-mentioned related technologies, the inventor believes that when a plastic pipe is pressurized, since the mass of the weight 106 is usually a fixed value, it is inconvenient to finely adjust the pressure applied to the plastic pipe, and there is a defect that the measurement accuracy is not accurate enough.

SUMMERY OF THE UTILITY MODEL

In order to carry out the fine setting to the pressure that the plastic tubing bore, improve the accuracy of measurement, the application provides a plastic tubing compression testing machine.

The application provides a plastic tubing compression testing machine adopts following technical scheme:

the utility model provides a plastic tubing compression testing machine, includes the workstation, be equipped with pressure mechanism and bearing mechanism on the workstation, bearing mechanism includes the measurement lever that links to each other with pressure mechanism, be equipped with the scale on the measurement lever, sliding connection has the weight on the measurement lever, the one end that bearing mechanism was kept away from to the measurement lever articulates there is the weight that is used for placing the balance weight to hang.

Through adopting above-mentioned technical scheme, the user places the plastic tubing on the workstation, places the great weight of balance weight on the stone roller is hung, then slides the weight and changes the position of weight on the measurement lever, observes the scale on the measurement lever, and then the accurate pressure of adjustment to the plastic tubing, and then extrudees the plastic tubing through pressure mechanism and bearing mechanism, then surveys test data, improves measuring accuracy.

Optionally, the sliding weight is cylindrical, a sliding hole is formed in the side wall of the sliding weight, the sliding hole penetrates through the sliding weight, the metering lever penetrates through the sliding hole, the sliding weight is rotatably connected with a roller located in the sliding hole, and the roller is abutted to the metering lever.

Through adopting above-mentioned technical scheme, the user stirs the sliding weight while, and the gyro wheel rotates, and then can reduce the frictional force between sliding weight and the measurement lever, and then makes the removal of sliding weight more smooth.

Optionally, a limiting hole is formed in the side wall of the sliding weight, the limiting hole is communicated with the sliding hole, and a limiting rod is connected in the limiting hole in a sliding manner.

Through adopting above-mentioned technical scheme, when the sliding weight slided the assigned position, the user promoted the gag lever post, made the gag lever post slide in the sliding hole, then made the one end of gag lever post and the lateral wall butt of measurement lever, and then increased the friction between gag lever post and the measurement lever, and then guaranteed the stability of sliding weight.

Optionally, the one end fixedly connected with baffle that the slide opening was kept away from to the gag lever post, the cover is equipped with the extension spring that is located between baffle and the sliding weight on the gag lever post, the one end and the baffle fixed connection of extension spring, the other end and the sliding weight fixed connection of extension spring, when the extension spring is in natural state, gag lever post and measurement lever butt.

Through adopting above-mentioned technical scheme, when the sliding weight slided, user pulling gag lever post and then pulling extension spring extension loosened the gag lever post when the user, and the extension spring resumes natural state gradually, and then drives gag lever post and measurement lever butt, can reduce the gag lever post and keep away from the possibility of measuring the lever, further guarantees the stability of gag lever post.

Optionally, a threaded hole is formed in the side wall of the sliding weight, the threaded hole is communicated with the sliding hole, and a threaded rod is connected to the threaded hole in a threaded manner.

Through adopting above-mentioned technical scheme, when the user need be experimental to the plastic tubing many times with the same pressure, the user screws up the threaded rod, makes threaded rod and measurement lever butt, can further increase the frictional force between sliding weight and the measurement lever, further guarantees the stability of sliding weight.

Optionally, locate the board of accepting that links to each other with pressure mechanism on the workstation, the central point of accepting the board puts and has seted up the round hole, the lower surface of accepting the board rotates and is connected with the axis of rotation that is located the round hole below, the screw coaxial with the round hole is seted up to the upper surface of axis of rotation, threaded connection has the screw rod in the screw, the top fixedly connected with of screw rod is located the platform of placing above accepting the board, the lateral wall fixedly connected with of placing the platform has the locating lever parallel with the screw rod, accept and seted up the locating hole on the board, locating lever sliding connection is in the locating hole.

Through adopting above-mentioned technical scheme, the user rotates the axis of rotation, then drives the screw rod and rotates in the screw, and then makes and place the platform and rise or descend along with the screw rod, makes the locating lever slide in the locating hole simultaneously, and then places the plastic tubing and place the bench, adjusts the distance between plastic tubing and the pressure mechanism, and the convenience is tested to the plastic tubing of different diameters utmost point, improves application scope.

Optionally, the rotating shaft is coaxially and fixedly connected with a worm wheel, the lower surface of the bearing plate is rotatably connected with a worm meshed with the worm wheel, and one end of the worm is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, the user holds the handle, then rotates the handle and drives the worm and rotate, and the worm drives the worm wheel and rotates, and then drives the axis of rotation and rotate, has self-locking function between worm wheel and the worm, can reduce the testing process, places the possibility that the platform descends, and then guarantees test data's accuracy.

Optionally, a strip-shaped groove is formed in the placing table, the strip-shaped groove is communicated with the two side walls right opposite to the placing table, and the strip-shaped groove is perpendicular to the metering lever.

Through adopting above-mentioned technical scheme, the bar groove can be fixed a position the plastic tubing, reduces the plastic tubing and rolls the possibility that falls from placing the bench, and then makes the operation more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the metering lever, the weight hanger and the sliding weight, a user places the sliding weight on the weight hanger, and then accurately adjusts the pressure on the plastic pipe by adjusting the position of the sliding weight on the metering lever, so that the accuracy of test data is improved;

2. through the arrangement of the limiting rod, the tension spring and the threaded rod, the sliding weight can be limited, the possibility of movement of the sliding weight in the measuring process is reduced, and the accuracy of test data is further ensured;

3. through the setting of placing platform, screw rod, axis of rotation, worm wheel and worm, can adjust the distance of placing between platform and the pressure mechanism, and then can conveniently test the plastic tubing of different diameters.

Drawings

Fig. 1 is a schematic view of the overall structure of the related art of the present application;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of an embodiment of the present application;

fig. 4 is a schematic structural diagram of the whole weight in the embodiment of the present application.

Description of reference numerals: 1. a work table; 11. a support bar; 12. a fixing plate; 13. a pressure lever; 14. a pressure plate; 15. a hinged seat; 151. hinging a shaft; 152. opening the gap; 2. a pressure mechanism; 21. a jack; 3. a load bearing mechanism; 4. a metering lever; 41. hanging; 411. a hinged lever; 412. a chassis; 5. a sliding weight; 51. a slide hole; 52. a roller; 53. a limiting hole; 54. a threaded hole; 55. a threaded rod; 6. a limiting rod; 61. a baffle plate; 62. a tension spring; 7. a bearing plate; 71. a circular hole; 72. positioning holes; 73. a rotating plate; 74. a worm; 75. a handle; 76. a slide hole; 8. a rotating shaft; 81. a screw hole; 82. a worm gear; 9. a placing table; 91. a screw; 92. positioning a rod; 93. a strip-shaped groove; 10. a test bed; 101. a pressurizing mechanism; 102. a load mechanism; 103. a connecting rod; 104. a linkage rod; 105. a load-bearing plate; 106. and (4) weighing.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses plastic tubing compression testing machine. Referring to fig. 2, the plastic pipe compression testing machine includes a table 1 having a rectangular parallelepiped shape. The workbench 1 is provided with a pressure mechanism 2 and a bearing mechanism 3 positioned above the pressure mechanism 2, and the bearing mechanism 3 is connected with the pressure mechanism 2. Meanwhile, the workbench 1 is provided with a bearing plate 7 connected with the pressure mechanism 2, and the bearing plate 7 is in a cuboid shape and is parallel to the workbench 1. In the process of pressure test, a user places the plastic pipe on the bearing plate 7, adjusts the pressure to be borne by the plastic pipe through the bearing mechanism 3, and compresses the plastic pipe through the pressure mechanism 2 to further measure the pressure test data of the plastic pipe.

Referring to fig. 2 and 3, a circular hole 71 is formed in the center of the receiving plate 7, a screw 91 is slidably connected to the circular hole 71, and the screw 91 is perpendicular to the upper surface of the receiving plate 7. A placing table 9 located directly above the circular hole 71 is connected to the tip end of the screw 91, and the placing table 9 is located below the pressure mechanism 2. A driving mechanism for driving the screw 91 to slide in the circular hole 71 is provided below the receiving plate 7. The user passes through actuating mechanism time screw 91 vertical slip in round hole 71, and then changes the distance of placing between platform 9 and the pressure mechanism 2, and then can place the plastic tubing of different diameters on placing platform 9, then carry out pressure test.

Referring to fig. 2 and 3, a strip-shaped groove 93 is formed in the upper surface of the placing table 9, and the strip-shaped groove 93 is perpendicular to the screw 91. The strip-shaped groove 93 is formed along the width direction of the placing table 9, and the strip-shaped groove 93 penetrates through two side walls right opposite to the placing table 9. The user places the plastic tubing in bar groove 93, can reduce the plastic tubing from placing the possibility that the platform 9 drops, and then makes the operation more convenient.

Referring to fig. 2 and 3, the driving mechanism includes a rotating shaft 8 rotatably connected to the receiving plate 7, a rotating groove is formed in the lower surface of the receiving plate 7, the rotating groove is coaxial with the circular hole 71, and the rotating shaft 8 is rotatably connected to the rotating groove. The rotating shaft 8 is parallel to the screw 91, a screw hole 81 is formed in the center of the rotating shaft 8, the screw hole 81 is formed in the axial direction of the rotating shaft 8, and the screw 91 is in threaded connection with the screw hole 81. The user rotates the rotating shaft 8 and then rotates the screw 91 in the screw hole 81, thereby adjusting the distance between the placing table 9 and the rotating shaft 8, and thus changing the distance between the placing table 9 and the pressure mechanism 2.

Referring to fig. 2 and 3, the receiving plate 7 is provided with two positioning holes 72, and the positioning holes 72 are close to the circular holes 71. Two parallel positioning rods 92 are fixedly connected to the side walls of the placing table 9, and the positioning rods 92 are located on the two opposite side walls of the placing table 9. The length of the positioning rod 92 is equal to that of the screw 91, the positioning rods 92 correspond to the positioning holes 72 one by one, and the positioning rods 92 are slidably connected in the positioning holes 72. The lower surface of the placing table 9 is provided with a rotating hole, and the top end of the screw 91 is fixedly connected in the rotating hole. The positioning rod 92 slides in the positioning hole 72 in the vertical direction, so that the possibility that the placing table 9 rotates when the screw 91 rotates can be reduced, the placing table 9 moves in the vertical direction along with the rotation of the screw 91, and the distance between the placing table 9 and the pressure mechanism 2 can be conveniently adjusted.

Referring to fig. 2 and 3, a worm wheel 82 is coaxially and fixedly connected to one end of the rotating shaft 8 close to the receiving plate 7, two rotating plates 73 are fixedly connected to the lower surface of the receiving plate 7, a worm 74 is rotatably connected between the two rotating plates 73, and the worm wheel 82 is meshed with the worm 74. Meanwhile, one end of the worm 74 is fixedly connected with the handle 75, a user holds the handle 75, then the worm 74 is rotated to drive the worm wheel 82 to rotate, the worm wheel 82 drives the rotating shaft 8 to rotate, a self-locking function is achieved between the worm wheel 82 and the worm 74, the possibility that the placing table 9 moves downwards when the pressure mechanism 2 compresses the plastic pipe can be reduced, and accuracy of test data is further guaranteed.

Referring to fig. 2 and 3, the pressure mechanism 2 includes a jack 21 fixedly coupled to an upper surface of the table 1, and a piston rod of the jack 21 is rotatably coupled to a lower surface of the rotating shaft 8. The lower surface of the rotating shaft 8 is coaxially provided with a circular groove, and a piston rod of the jack 21 is coaxially and rotatably connected in the circular groove. Two support rods 11 are fixedly connected to the upper surface of the workbench 1, and the support rods 11 are perpendicular to the workbench 1. Two sliding holes 76 are formed in the upper surface of the bearing plate 7, the two sliding holes 76 correspond to the support rods 11 one by one, and the support rods 11 are slidably connected in the sliding holes 76. In the using process, a user pressurizes the jack 21, so that the piston rod of the jack 21 extends, the piston rod of the jack 21 pushes the rotating shaft 8, and the bearing plate 7 is driven to slide along the supporting rod 11.

Referring to fig. 2 and 3, a fixing plate 12 is fixedly connected to a top end of the support rod 11, the fixing plate 12 is rectangular, and the fixing plate 12 is perpendicular to the strip-shaped groove 93. The center of the fixed plate 12 is provided with a sliding hole, the sliding hole and the round hole 71 are coaxially provided, and the sliding hole is slidably connected with a pressure rod 13. The bottom end of the pressure rod 13 is fixedly connected with a pressure plate 14, the pressure plate 14 is positioned right above the placing table 9, and the top end of the pressure rod 13 is connected with the bearing mechanism 3. The placing platform 9 approaches to the pressure plate 14 along with the upward movement of the bearing plate 7, the pressure plate 14 and the placing platform 9 press the plastic pipe, and then the pressure plate 14 pushes the pressure rod 13 to slide in the sliding hole, thereby pushing the bearing mechanism 3 to work.

Referring to fig. 2 and 3, one end of the fixing plate 12 is fixedly connected with the hinge base 15, and a notch 152 is formed in the upper surface of the hinge base 15. The bearing mechanism 3 comprises a metering lever 4, a hinge hole is formed in one end of the metering lever 4, a hinge shaft 151 located in a notch 152 is fixedly connected to the hinge seat 15, the hinge shaft 151 is inserted into the hinge hole, and the metering lever 4 can rotate around the hinge shaft 151. The top end of the pressure rod 13 is hinged with the lower surface of the metering lever 4, and a weight 41 is hinged at one end of the metering lever 4 far away from the hinge seat 15. During the test, the user places the weight on the weight hanger 41, and then jacks up the metering lever 4 along with the upward movement of the support rod 11, so that the metering lever 4 rotates around the hinge shaft 151.

Referring to fig. 2 and 3, the weight 41 includes a hinge rod 411 hinged to one end of the metering lever 4, and a chassis 412 is fixedly connected to one end of the hinge rod 411 away from the metering lever 4. The user puts the weight on the chassis 412 after passing through the hinge rod 411, and then changes the pressure of the plastic tube by the weight.

Referring to fig. 2 and 3, the metering lever 4 is rectangular, a weight 5 is slidably connected to the metering lever 4, and scales are provided on the metering lever 4. After the balance weight is put, the user slides the balance weight 5 to further change the position of the balance weight 5 on the metering lever 4, and the pressure received by the plastic pipe is finely adjusted through the through scales, so that the accuracy of test data is improved.

Referring to fig. 3 and 4, the weight 5 is cylindrical, a sliding hole 51 is formed in a side wall of the weight 5, and the sliding hole 51 penetrates through the weight 5. The metering lever 4 passes through the sliding hole 51, and the weight 5 can slide along the length direction of the metering lever 4. Meanwhile, the sliding weight 5 is provided with a wheel groove which is communicated with the sliding hole 51. A roller 52 is rotatably connected to the wheel groove, and the roller 52 abuts against the metering lever 4. In the process that the sliding weight 5 slides along the metering lever 4, the roller 52 rotates to reduce the friction force between the sliding weight 5 and the metering lever 4, so that the sliding of the sliding weight 5 is smoother.

Referring to fig. 3 and 4, a limiting hole 53 is formed in the side wall of the sliding weight 5, the limiting hole 53 is communicated with the sliding hole 51, the limiting hole 53 is located on one side of the metering lever 4, and meanwhile, a limiting rod 6 is connected in the limiting hole 53 in a sliding mode. Meanwhile, one end, far away from the sliding hole 51, of the limiting rod 6 is fixedly connected with a baffle 61, a tension spring 62 is sleeved on the limiting rod 6, and the tension spring 62 is located between the baffle 61 and the sliding weight 5. One end of the tension spring 62 is fixedly connected with the baffle 61, and the other end is fixedly connected with the sliding weight 5. When the user removed the sliding weight 5, the user pulled baffle 61 made gag lever post 6 slide in spacing hole 53, and then extension spring 62 extension, after 5 position determination of sliding weight, loosen baffle 61, extension spring 62 resumes to the natural state gradually, then gag lever post 6 is close to measurement lever 4 gradually, final gag lever post 6 and measurement lever 4 butt, and then increase the frictional force between gag lever post 6 and the measurement lever 4, and then reduce the experimentation, the possibility that the removal took place for sliding weight 5, and then guarantee the stability of sliding weight 5.

Referring to fig. 3 and 4, a threaded hole 54 is formed in the side wall of the weight 5, the threaded hole 54 is communicated with the sliding hole 51, the threaded hole 54 is located on one side of the metering lever 4 away from the limiting rod 6, and a threaded rod 55 is connected to the threaded hole 54 in a threaded manner. When the user needs to carry out a lot of experiments with the same pressure, the user rotates threaded rod 55, makes threaded rod 55 be close to metering lever 4, along with screwing up of threaded rod 55, the pressure increase between threaded rod 55 and the metering lever 4, and then frictional force increases, and then can further guarantee the stability of free weight 5 in the testing process, and then guarantee the accuracy of test data.

The implementation principle of the plastic pipe pressure testing machine in the embodiment of the application is as follows: the user is through rotating worm wheel 82 and worm 74, and then drive axis of rotation 8 and rotate, and then make screw 91 drive and place platform 9 and remove, adjust and place the distance between platform 9 and the pressure mechanism 2, then place the plastic tubing in the bar groove 93, compress tightly the plastic tubing through pressure mechanism 2 and place platform 9, then bearing mechanism 3 adjusts the pressure size that the plastic tubing needs to bear, then the user adjusts the position of wandering weight 5, and fix the position of wandering weight 5 through gag lever post 6 and threaded rod 55, and then guarantee test data's accuracy.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A plastic pipe pressure testing machine, comprising a workbench (1), on which the workbench (1) is provided with a pressure mechanism (2) and a load-bearing mechanism (3), characterized in that: the load-bearing mechanism (3) It comprises a metering lever (4) connected with the pressure mechanism (2), a scale is provided on the metering lever (4), a travel weight (5) is slidably connected to the metering lever (4), and the metering lever (4) ) is hinged at one end away from the load-bearing mechanism (3) with a weight hanger (41) for placing the weighing weight.

2. The plastic pipe pressure testing machine according to claim 1, characterized in that: the travel weight (5) is cylindrical, the side wall of the travel weight (5) is provided with a sliding hole (51), and the travel weight (5) is provided with a sliding hole (51). The sliding hole (51) penetrates the travel weight (5), the metering lever (4) is provided with a sliding hole (51), and the travel weight (5) is rotatably connected with a roller (52) located in the sliding hole (51). , the roller (52) is in contact with the metering lever (4).

3. The plastic pipe pressure testing machine according to claim 2, wherein a limit hole (53) is provided on the side wall of the travel weight (5), and the limit hole (53) communicates with the sliding hole (51). ), and a limit rod (6) is slidably connected to the limit hole (53).

4. The plastic pipe pressure testing machine according to claim 3, characterized in that: a baffle plate (61) is fixedly connected to one end of the limit rod (6) away from the sliding hole (51), and the limit rod ( 6) The upper sleeve is provided with a tension spring (62) located between the baffle plate (61) and the travel weight (5). One end of the tension spring (62) is fixedly connected to the baffle plate (61). The other end of 62) is fixedly connected with the travel weight (5), and when the tension spring (62) is in a natural state, the limit rod (6) is in contact with the metering lever (4).

5 . The plastic pipe pressure testing machine according to claim 2 , wherein a threaded hole ( 54 ) is formed on the side wall of the moving weight ( 5 ), and the threaded hole ( 54 ) communicates with the sliding hole ( 51 ). 6 . A threaded rod (55) is threadedly connected in the threaded hole (54).

6. The plastic pipe pressure testing machine according to claim 1, characterized in that: the workbench (1) is provided on a receiving plate (7) connected with the pressure mechanism (2), and the receiving plate (7) A circular hole (71) is opened at the central position of the bearing plate (7), a rotating shaft (8) located below the circular hole (71) is rotatably connected to the lower surface of the bearing plate (7), and a rotating shaft (8) is opened on the upper surface of the rotating shaft (8). A screw hole (81) coaxial with the round hole (71), a screw (91) is threadedly connected in the screw hole (81), and a top end of the screw (91) is fixedly connected with a screw located above the receiving plate (7). A placing table (9), the side wall of the placing table (9) is fixedly connected with a positioning rod (92) parallel to the screw (91), a positioning hole (72) is opened on the receiving plate (7), and the The positioning rod (92) is slidably connected in the positioning hole (72).

7. The plastic pipe pressure testing machine according to claim 6, characterized in that: the rotating shaft (8) is coaxially and fixedly connected with a worm gear (82), and the lower surface of the receiving plate (7) is rotatably connected with a worm gear (82). A worm (74) engaged with the worm wheel (82), and a handle (75) is fixedly connected to one end of the worm (74).

8 . The plastic pipe pressure testing machine according to claim 6 , wherein a strip groove ( 93 ) is provided on the placing table ( 9 ), and the strip groove ( 93 ) communicates with the placing table ( 9 ). 9 . On the two opposite side walls, the strip groove (93) is perpendicular to the metering lever (4).