CN208766046U - Ring rigidity testing machine - Google Patents

Ring rigidity testing machine Download PDF

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Publication number
CN208766046U
CN208766046U CN201821383529.6U CN201821383529U CN208766046U CN 208766046 U CN208766046 U CN 208766046U CN 201821383529 U CN201821383529 U CN 201821383529U CN 208766046 U CN208766046 U CN 208766046U
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China
Prior art keywords
briquetting
pipe fitting
testing machine
workbench
rigidity testing
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CN201821383529.6U
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Chinese (zh)
Inventor
董庆升
张振善
贾艳芳
单晓燕
王淑婷
王坤林
董攀
潘荣慧
韩朝阳
张帆
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Qingdao Jianguo Engineering Testing Co Ltd
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Qingdao Jianguo Engineering Testing Co Ltd
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Abstract

The utility model discloses a kind of ring rigidity testing machines, belong to Pipe Test equipment technical field;It further include the fixation kit for carrying out the positioning component of axially position to the pipe fitting placed on the table and the pipe fitting placed on the table being fixed the main points of its technical scheme are that including the driving mechanism that rack, the workbench in horizontally disposed rack, the horizontal top board above workbench and driving top board are moved in vertical direction;Positioning component includes the positioning plate for being parallel to each other and being slidably connected along same straight line and workbench;Fixation kit is arranged on positioning plate;Fixation kit includes the actuator that briquetting and driving briquetting are moved in vertical direction;Solving existing ring rigidity testing machine, positioning operation is inconvenient when in use, and is easy the problem of moving radially during the depression process;Pipe fitting can be positioned easily and fast, and can prevent pipe fitting from moving radially during the depression process.

Description

Ring rigidity testing machine
Technical field
The utility model relates to Pipe Test equipment technical field more particularly to a kind of ring rigidity testing machines.
Background technique
After the current various offline finished products of tubing, need to test its properties, including hoop tensile strength, ring are rigid Degree, flattening test detect whether pipe performance conforms to quality requirements with this.If the ring stiffness of tubing is not enough, tubing will be produced Raw excessive deformation or be collapsed, thus the tubing for bearing external pressure, ring stiffness is most important performance indicator.According to National standard GB/9647-2003, the measurement of ring stiffness are that defined tubular product sample is vertical by defined condition in two parallel-plate parts Compression, is that pipe diameter Direction distortion reaches 3%.The power of 3% deformation is caused to calculate ring stiffness according to test measurement.Existing equipment It is inconvenient for operation in the presence of structure is complicated, the disadvantages of mobile is easy when tubing is tested.
Authorization Notice No. is that the Chinese utility model patent file of CN203422268U discloses a kind of ring rigidity testing machine, Including top board, top board lower end surface is provided with sliding recess, and sliding recess is connected with left tubing locating piece and the positioning of right tubing The upper end of part, the left tubing locating piece and right tubing locating piece is located in the sliding recess and can slide in the sliding recess Dynamic, lower end extends downwardly.
Above-mentioned ring rigidity testing machine passes through the left pipe for being arranged on top board lower end surface and being slidably connected with top board Material locating piece and right tubing locating piece carry out pipe fitting anti-bias during the depression process, but pipe fitting needs first to be placed on workbench On, pipe fitting could be pushed, it is inconvenient to be positioned using left tubing locating piece and right tubing locating piece to pipe fitting, and simple use Axially position, pipe fitting are easy to happen radial movement during the depression process.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of ring rigidity testing machine, it can Pipe fitting is positioned easily and fast, and can prevent pipe fitting from moving radially during the depression process.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of ring stiffness test Machine, including the workbench in rack, horizontally disposed rack, the horizontal top board above workbench and driving top board In the driving mechanism that vertical direction is moved, ring rigidity testing machine further includes carrying out axially to the pipe fitting placed on the table The positioning component of positioning and the fixation kit that the pipe fitting placed on the table is fixed;The positioning component includes phase Positioning plate that is mutually parallel and being slidably connected along same straight line and workbench;The fixation kit is arranged on positioning plate;It is described solid Determining component includes the actuator that briquetting and driving briquetting are moved in vertical direction.
Through the above technical solutions, pipe fitting is placed in two when carrying out ring stiffness test to pipe fitting using ring rigidity testing machine Between a positioning plate, contradicted by both sides of the face of the positioning plate to pipe fitting, thus when being placed on to tube compression, pipe fitting hair Raw axial displacement influences the ring stiffness test to pipe fitting;Briquetting is driven to press in vertical direction pipe wall by actuator Tightly, it to, prevent in tube compression, pipe fitting rolls;The comprehensive setting for passing through positioning component and fixation kit, thus side Just efficiently pipe fitting is positioned on the table, achievees the purpose that prevent to move horizontally in compression process.
Preferably, the side of the positioning plate is provided with pusher cylinder, cylinder body and the workbench of the pusher cylinder are fixed Connection, the piston rod of the pusher cylinder are fixedly connected with positioning plate.
Through the above technical solutions, the side of positioning plate is provided with pusher cylinder, the cylinder body and workbench of pusher cylinder are solid Fixed connection, the piston rod of pusher cylinder are fixedly connected with positioning plate;Push positioning plate close to each other or phase by pusher cylinder It is mutually separate, so that quickly the spacing between positioning plate be adjusted, and then adapt to the axially position to different length pipe fitting Function.
Preferably, the actuator is compression cylinder, the compression cylinder is vertically arranged, the cylinder body and briquetting of compression cylinder It is fixedly connected, the piston rod briquetting of compression cylinder is fixedly connected.
Through the above technical solutions, actuator is compression cylinder, compression cylinder is vertically arranged, the cylinder body and pressure of compression cylinder Block is fixedly connected, and the piston rod briquetting of compression cylinder is fixedly connected;It is arranged by compression cylinder, passes through the piston rod of compression cylinder Extension and contraction control briquetting is compressed or is detached to pipe fitting, to fast implement the compression positioning function to pipe fitting.
Preferably, the bottom of the briquetting is provided with positioning cambered surface.
Through the above technical solutions, by the setting of positioning cambered surface, being made by the way that the bottom of briquetting is provided with positioning cambered surface Contact of the briquetting with pipe fitting inner wall is more bonded, thus when reducing briquetting to pipe fitting compression, the deformation that pipe fitting generates, to reduce Influence to pipe fitting ring stiffness.
Preferably, the piston rod of the compression cylinder is detachably connected with briquetting.
Through the above technical solutions, by the way that the piston rod of compression cylinder is detachably connected with briquetting, so as to basis The specification of pipe fitting replaces briquetting, to realize the positioning compression to the pipe fitting of different size.
Preferably, the piston rod end of the compression cylinder is fixed with grafting block, the upper surface of the briquetting is provided with slotting Hole, the grafting block and spliced eye grafting are connect, the grafting block is connected by screw bolts with briquetting.
Through the above technical solutions, the piston rod end of compression cylinder is fixed with grafting block, the upper surface of briquetting is provided with Spliced eye quickly installs briquetting by the grafting of grafting block and spliced eye, and then by briquetting and is pressed using bolt Block end is fixedly connected, to realize the replacement to briquetting.
Preferably, being additionally provided with the stretching assembly for carrying out radial drawing to tubing on the top board;The stretching assembly Including two sliding blocks, two sliding blocks are slidably connected along same straight line with top board;On two sliding blocks side end face close to each other Setting hooks column.
Through the above technical solutions, being additionally provided with the stretching assembly for carrying out radial drawing to tubing on the top board;It draws Stretching component includes two sliding blocks, and two sliding blocks are slidably connected along same straight line with top board;Two sliding blocks side close to each other Setting hooks column on end face;Two sliding blocks are slided to adapt to the length of tubing, column will be hooked and be inserted into pipe fitting, fixation kit is to pipe The lower part of part is fixed, and then carries out radial drawing to pipe fitting by driving top board uplink.
Vertical direction is carried out to survey high scale mark preferably, being provided in the rack.
Through the above technical solutions, surveying high scale mark by setting in rack, operator can intuitively obtain height Size is spent, operator is facilitated to carry out debugging operations to ring rigidity testing machine.
In conclusion the utility model has the following beneficial effects:
1. quickly carrying out radial positioning to pipe fitting by pusher cylinder and positioning plate, and then pass through compression cylinder and briquetting Pipe fitting is fixed, to effectively prevent in the compression process to pipe fitting, pipe fitting occurs mobile and influences to ring The test result of rigidity;
2. reducing pipe fitting deformation when briquetting is fixed pipe fitting by the way that positioning cambered surface is arranged in briquetting bottom; Briquetting and the piston rod of compression cylinder are connected by screw bolts, so as to replace easily and fast to briquetting, thus more preferably The pipe fitting suitable for different size;
3. by being arranged stretching assembly on top board, and then between capable of being adjusted between two sliding blocks by draft cylinder Away from, make hook column be inserted into pipe fitting, thus by driving top board uplink pipe fitting is stretched.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ring rigidity testing machine;
Fig. 2 is the structural schematic diagram of driving mechanism;
Fig. 3 is the structural schematic diagram of positioning component and fixation kit;
Fig. 4 is the attachment structure schematic diagram of the piston rod of briquetting and compression cylinder;
Fig. 5 is the structural schematic diagram of stretching assembly;
Fig. 6 is the schematic diagram for embodying slide block structure.
Appended drawing reference: 1, rack;11, sliding slot;12, scale mark;2, workbench;3, top board;4, driving mechanism;41, Driving plate;411, sliding part;42, driving motor;43, screw rod;5, positioning component;51, pusher cylinder;52, positioning plate;6, fixed Component;61, compression cylinder;611, grafting block;612, connection screw thread hole;62, briquetting;621, positioning cambered surface;622, spliced eye; 623, mounting hole;63, bolt is connected;7, stretching assembly;71, draft cylinder;72, sliding block;73, column is hooked.
Specific embodiment
Embodiment: a kind of ring rigidity testing machine, referring to Figures 1 and 2, including rack 1, workbench 2, top board 3 and drive The driving mechanism 4 that dynamic top board 3 is moved in vertical direction.Workbench 2 is horizontally set in rack 1, and top board 3 is located at work Make the top of platform 2 and is horizontally disposed with.Driving mechanism 4 includes driving plate 41, and driving plate 41 is fixedly connected with top board 3, is driven The two sides of plate 41 are provided with sliding part 411, and the sliding slot 11 of vertical direction is provided in rack 1, and sliding part 411 is placed in sliding slot 11 And 11 length directions are slidably connected with sliding slot 11 along the chute, and driving mechanism 4 further includes driving motor 42 and screw rod 43, screw rod 43 It is rotatablely connected in vertical direction and rack 1, driving motor 42 is fixed on vertically in rack 1, and screw rod 43 is defeated with driving motor 42 Shaft is fixedly and coaxially connected, and screw rod 43 is threadedly coupled with driving plate 41.43 turns of screw rod are driven by driving motor 42 It is dynamic, so that driving plate 41 be made to be moved in the vertical direction, and then top board 3 is driven to move in vertical direction, will need to survey The pipe fitting of examination is placed on workbench 2, is compressed by top board 3 to it, is surveyed to realize to the ring stiffness of pipe fitting Examination.
High scale mark 12 is surveyed in setting in rack 1, and operator can intuitively obtain height dimension, is using ring stiffness When testing machine tests pipe fitting, can the stroke intuitively to the size of pipe fitting and top board 3 be observed, facilitate operator Debugging operations are carried out to ring rigidity testing machine.
Referring to Fig. 3, ring rigidity testing machine further includes the positioning group that axially position is carried out to the pipe fitting being placed on workbench 2 Part 5 and the fixation kit 6 that the pipe fitting being placed on workbench 2 is fixed.Positioning component 5 includes that two settings are working Positioning plate 52 on platform 2.Two positioning plates 52 are parallel to each other and are slidably connected along same straight line and workbench 2.Fixation kit 6 is set It sets on positioning plate 52;Fixation kit 6 includes the actuator that briquetting 62 and driving briquetting 62 are moved in vertical direction.
The side of positioning plate 52 is provided with pusher cylinder 51, and the cylinder body of pusher cylinder 51 is fixedly connected with workbench 2, pushes The piston rod of cylinder 51 is fixedly connected with positioning plate 52.Make positioning plate 52 and pipe fitting by the way that the piston of pusher cylinder 51 is flexible Both sides of the face abut against, to realize to the axial positioning function of pipe fitting.
Actuator is compression cylinder 61, and compression cylinder 61 is vertically arranged, and the cylinder body and briquetting 62 of compression cylinder 61 are fixed to be connected It connects, the piston rod briquetting 62 of compression cylinder 61 is fixedly connected.Briquetting 62 is driven to be transported in vertical direction by compression cylinder 61 It is dynamic, and then pipe fitting is compressed, so that pipe fitting rolls when preventing to tube compression.
The bottom of briquetting 62 is provided with positioning cambered surface 621.By the setting of positioning cambered surface 621, make briquetting 62 and pipe fitting Inner wall is more bonded when contacting, to make briquetting 62 to pipe fitting when being fixed, the deformation of pipe fitting is smaller, to reduce because right Pipe fitting is fixed and is had an impact to the test result of the ring stiffness of pipe fitting.
Referring to Fig. 4, the piston rod end of briquetting 62 and compression cylinder 61, which uses, to be detachably connected.By being carried out to briquetting 62 Replacement, to change the radius size of the positioning cambered surface 621 compressed to pipe fitting, to preferably be suitable for the pipe of different size Part.The piston rod end of compression cylinder 61 is fixed with grafting block 611, and the upper surface of briquetting 62 is provided with spliced eye 622, by inserting The grafting of block 611 Yu spliced eye 622 is connect, so as to which briquetting 62 to be installed to the piston rod of compression cylinder 61 easily and fast On.The side of briquetting 62 is provided with connection bolt 63, is provided with connection spliced eye 622 and extraneous mounting hole 623 on briquetting 62, Connection screw thread hole 612 is provided on grafting block 611, connection bolt 63 passes through mounting hole 623 and nibbles with 612 phase of connection screw thread hole It closes, to realize the purpose being fixed on briquetting 62 on 61 piston rod of compression cylinder.
Referring to figure 5 and figure 6, the stretching assembly 7 that radial drawing is carried out to tubing is additionally provided on top board 3.Pass through stretching Component 7 can carry out radial drawing to pipe fitting, to make ring rigidity testing machine while have the tensile strength test function of pipe fitting. Stretching assembly 7 includes two sliding blocks 72, and two sliding blocks 72 are slidably connected along same straight line and top board 3;Two sliding blocks 72 are mutual Setting hooks column 73 on a close side end face.When carrying out Radial drawing strength test to pipe fitting, managed by 6 Duis of fixation kit The lower part of part is fixed, by positioning plate 52 prevent during stretching pipe fitting be distorted.Two sliding blocks 72 are slided to adapt to The length of tubing will hook column 73 and be inserted into pipe fitting, and then carries out radial drawing to pipe fitting by driving 3 uplink of top board.
Concrete operations mode:
When being tested using ring rigidity testing machine pipe fitting progress ring stiffness, pipe fitting is placed on workbench 2, is led to The spacing between two positioning plates 52 of adjusting of pusher cylinder 51 is crossed, and then abuts the both sides of the face of pipe fitting with positioning plate 52, thus Realize the axially position to pipe fitting.Suitable briquetting 62 is selected to be installed to the piston rod of compression cylinder 61 according to the specification of pipe fitting On, drive briquetting 62 to move downward by compression cylinder 61, and then be fixed to pipe fitting.Driving motor 42 drives screw rod 43 are rotated, so that top board 3 be driven to move downward, and then are compressed to pipe fitting, are tested the ring stiffness of pipe fitting. When needing to carry out radial drawing test to pipe fitting, the lower part of pipe fitting is fixed by positioning component 5 and fixation kit 6 and Pipe fitting is limited, and then the upper end of pipe fitting is hooked by hooking column 73, to pass through driving 3 uplink pair of top board Pipe fitting is stretched.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of ring rigidity testing machine including rack (1), the workbench (2) being horizontally disposed on rack (1), is located at workbench (2) The driving mechanism (4) that the horizontal top board (3) of top and driving top board (3) are moved in vertical direction, feature Be: ring rigidity testing machine further include the pipe fitting that is placed on workbench (2) is carried out axially position positioning component (5) and The fixation kit (6) that the pipe fitting being placed on workbench (2) is fixed;The positioning component (5) include be parallel to each other and The positioning plate (52) being slidably connected along same straight line and workbench (2);The fixation kit (6) is arranged on positioning plate (52); The fixation kit (6) includes briquetting (62) and the actuator that driving briquetting (62) is moved in vertical direction.
2. ring rigidity testing machine according to claim 1, it is characterised in that: the side of the positioning plate (52), which is provided with, to push away It takes offence cylinder (51), the cylinder body of the pusher cylinder (51) is fixedly connected with workbench (2), the piston rod of the pusher cylinder (51) It is fixedly connected with positioning plate (52).
3. ring rigidity testing machine according to claim 1, it is characterised in that: the actuator is compression cylinder (61), institute It states compression cylinder (61) to be vertically arranged, the cylinder body of compression cylinder (61) is fixedly connected with briquetting (62), the work of compression cylinder (61) Stopper rod is fixedly connected with briquetting (62).
4. ring rigidity testing machine according to claim 2, it is characterised in that: the bottom of the briquetting (62) is provided with positioning Cambered surface (621).
5. ring rigidity testing machine according to claim 3, it is characterised in that: the piston rod and pressure of the compression cylinder (61) Block (62) is detachably connected.
6. ring rigidity testing machine according to claim 5, it is characterised in that: the piston rod end of the compression cylinder (61) It is fixed with grafting block (611), the upper surface of the briquetting (62) is provided with spliced eye (622), the grafting block (611) and grafting Hole (622) grafting, the grafting block (611) are connected by screw bolts with briquetting (62).
7. ring rigidity testing machine according to claim 1, it is characterised in that: be additionally provided on the top board (3) to pipe The stretching assembly (7) of material progress radial drawing;The stretching assembly (7) includes two sliding blocks (72), and two sliding blocks (72) are along same One straight line is slidably connected with top board (3);Setting hooks column (73) on two sliding blocks (72) side end face close to each other.
8. ring rigidity testing machine according to claim 1, it is characterised in that: be provided on the rack (1) to vertical side To carrying out surveying high scale mark (12).
CN201821383529.6U 2018-08-25 2018-08-25 Ring rigidity testing machine Active CN208766046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821383529.6U CN208766046U (en) 2018-08-25 2018-08-25 Ring rigidity testing machine

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Application Number Priority Date Filing Date Title
CN201821383529.6U CN208766046U (en) 2018-08-25 2018-08-25 Ring rigidity testing machine

Publications (1)

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CN208766046U true CN208766046U (en) 2019-04-19

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110455633A (en) * 2019-08-13 2019-11-15 武汉理工大学 Composite panel compression test tooling
CN110899363A (en) * 2019-11-12 2020-03-24 江苏克诺斯精密材料有限公司 Traction clamp
CN114518211A (en) * 2022-02-14 2022-05-20 三思永恒科技(浙江)有限公司 Testing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110455633A (en) * 2019-08-13 2019-11-15 武汉理工大学 Composite panel compression test tooling
CN110899363A (en) * 2019-11-12 2020-03-24 江苏克诺斯精密材料有限公司 Traction clamp
CN114518211A (en) * 2022-02-14 2022-05-20 三思永恒科技(浙江)有限公司 Testing machine

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