CN104568414B - Expansion joint experiment driving device - Google Patents
Expansion joint experiment driving device Download PDFInfo
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- CN104568414B CN104568414B CN201510021601.5A CN201510021601A CN104568414B CN 104568414 B CN104568414 B CN 104568414B CN 201510021601 A CN201510021601 A CN 201510021601A CN 104568414 B CN104568414 B CN 104568414B
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- frame body
- cover board
- expansion joint
- sliding block
- oil cylinder
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Abstract
The invention discloses a kind of expansion joint experiment driving device, including frame body, several connecting flange mechanisms, hold-down mechanism and the first actuating unit, frame body includes being drivingly connected plate and upset cover board, one end of upset cover board, which is rotationally connected with, to be drivingly connected on plate, first actuating unit can drive upset cover board rotation, upset cover board is set to cover the opening of U-type groove, upset cover board can be positioned at and be drivingly connected on plate by hold-down mechanism, several connecting flange mechanism being circumferentially arranged along frame body, each connecting flange mechanism includes the second actuating unit for radially sliding the sliding block of other direction stop and driving sliding block along frame body and sliding.The present invention can drive expansion joint testpieces to move back and forth, and detection process is steady, drive spiral lift to adjust the position of connection switching mechanism by motor, can meet the test requirements document of different expansion joints.
Description
Technical field
The present invention relates to the detection device of expansion joint, is specifically related to a kind of expansion joint experiment driving device.
Background technology
Pressure test will be carried out in accordance with regulations before dispatching from the factory in expansion joint product, and the purpose of experiment is to examine expansion joint super
Macro strength under duty conditions, the ability for examining it whether to possess safe operation under design load, meanwhile, it can examine swollen
The compactness of swollen section, check in material, structure and manufacturing process there may be the problem of.As expansion joint is in chemical industry, metallurgy, core
The departments such as energy are widely used, and the performance indicator requirement to expansion joint is stringenter, this just shows the detection device of expansion joint
It is particularly important that obtaining.
The detection device of expansion joint generally includes to carry out expansion joint the mechanical clamping device of Set and Positioning and driving expands
Save the driving device of axially reciprocating.Driving device has different patterns according to the difference of mechanical clamping device, still, existing
Driving device may be only available for fixed dimension expansion joint driving, also lacking one kind can drive testpieces to move back and forth,
Operate steadily, speed governing is convenient, suitable for the driving device of different size expansion section test requirements documents.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention proposes a kind of expansion joint detection driving device, can drive experiment
Part moves back and forth, and operates steadily, speed governing is convenient and disclosure satisfy that the test requirements document of different size expansion sections.
The technical proposal of the invention is realized in this way：
A kind of expansion joint experiment driving device, including frame body, several connecting flange mechanisms, hold-down mechanism and first are dynamic
Force mechanisms, the frame body include being drivingly connected plate and upset cover board, and the plate that is drivingly connected includes surrounding bottom and the phase of U-type groove
To two arms, it is described upset cover board one end be rotationally connected with it is described drive connection plate an arm free end on, it is described
First actuating unit can drive the upset cover board to rotate, and the upset cover plate lid residence is stated the opening of U-type groove, the pressure
It is some on the free end for another arm that the other end of the upset cover board can be positioned at the drive connection plate by tight mechanism
A connecting flange mechanism being circumferentially arranged along the frame body, each connecting flange mechanism are included along the frame body radially
The second actuating unit for sliding the sliding block of other direction stop and driving the sliding block to slide.
As a further improvement on the present invention, equipped with four connecting flange mechanisms, four connecting flange mechanisms
Along the circumferential uniformly arrangement of the frame body, one of connecting flange mechanism is arranged on the upset cover board, connects described in the other three
Acting flange mechanism is arranged on the drive connection plate.
As a further improvement on the present invention, second actuating unit includes motor and spiral lift, the motor
Sliding block the radially sliding along the frame body is driven by the spiral lift.
As a further improvement on the present invention, the end face of the sliding block towards the one end at the center of the frame body is in circular arc
Shape, and formed with the groove to match with expansion joint testpieces fixation flange on the end face.
As a further improvement on the present invention, the sliding block radially slides the structure of other direction stop along the frame body
It is：The frame body is radially equipped with the sliding slot to match with the sliding block, and the sliding block is arranged in the sliding slot, is additionally provided with first
The sliding block is pressed on the frame body by oil cylinder and compact heap, compact heap described in first hydraulic oil cylinder driving, makes the sliding block
Other direction stop are radially slided along the frame body.
As a further improvement on the present invention, the hold-down mechanism includes nut, column spinner, pressure strip, sleeve and second
Oil cylinder, the lower end of the sleeve are fixedly connected with second oil cylinder, and the nut is connected with the threaded upper ends of the column spinner,
The lower slide of the column spinner is sheathed in the sleeve, and the pressure strip is sheathed on the column spinner, and is stopped at institute
State between nut and the sleeve, and the pressure strip passes through key connection, the lower end of the column spinner and institute with the column spinner
The piston rod for stating the second oil cylinder is fixedly connected, and the column spinner side has spiral groove, and the other end of the upset cover board is set
Between the free end of the pressure strip and another arm for being drivingly connected plate.
As a further improvement on the present invention, described upset cover board one end is rotationally connected with the drive connection by axis pin
On the free end of one arm of plate, first actuating unit is the 3rd oil cylinder, and the 3rd oil cylinder is fixedly arranged on the drive connection
On the free end of plate, the power output shaft of the 3rd oil cylinder is fixedly connected with the contiguous block that described upset cover board end is formed.
As a further improvement on the present invention, at least two are additionally provided with and is used to support what the drive connection plate moved back and forth
Guiding mechanism, each guiding mechanism include connecting portion and rolled portion, and the connecting portion is fixed in the drive connection plate
Bottom, the distance between the connecting portion and the rolled portion are adjustable, and the bottom of the rolled portion is equipped with roller.
As a further improvement on the present invention, several the 4th oil cylinders are additionally provided with, each 4th oil cylinder is fixedly arranged on
Between the drive connection plate and exterior clamping device, and the power output of each 4th oil cylinder drives the drive connection
Plate moves axially in reciprocal fashion.
The beneficial effects of the invention are as follows：The present invention provides a kind of expansion joint detection driving device, wherein, it is drivingly connected plate
Bottom surround U-type groove with opposite two arms, that is, be drivingly connected that plate is integrally U-shaped, U-shaped drive connection plate and upset cover board
Coordinating, during experiment, upset cover board be located at open mode, facilitates and lifts expansion joint testpieces in the U-type groove of drive connection plate,
Then, drive upset cover board to rotate by the first actuating unit, upset cover board is covered the opening of U-type groove, that is, surround a ring-type
Location structure, upset cover board are compressed to be positioned at by hold-down mechanism and are drivingly connected on plate again, which can will be swollen
Swollen section is positioned in U-type groove, finally, its sliding block is driven along frame body footpath by the second actuating unit of several connecting flange mechanisms
To slip, i.e., slided towards expansion joint testpieces, you can clamp expansion joint testpieces, in this way, by adjusting slider apart from frame
The position at body center, you can meet the experiment demand of different bore expansion joints.Preferably, connecting flange mechanism is driven by motor
Spiral lift adjusting position, meets the requirement of experiment of different expansion joints.Preferably, be drivingly connected plate realizes expansion using oil cylinder
The reciprocating motion of testpieces is saved, thrust is big, small, operates steadily, and speed governing is convenient.Preferably, by oil cylinder by connecting flange
The sliding block of mechanism is pressed on frame body, between solving in experimentation because existing between connecting flange mechanism and drive connection plate
Connecting flange mechanism rocks problem caused by gap.Therefore, the present invention can drive testpieces to move back and forth, operate steadily,
Speed governing is convenient and disclosure satisfy that the test requirements document of different size expansion sections.
Brief description of the drawings
Fig. 1 is a viewing angle constructions schematic diagram of the invention；
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1；
Fig. 3 is enlarged structure schematic diagram at B in Fig. 1；
Fig. 4 is another viewing angle constructions schematic diagram of the present invention；
Fig. 5 is hold-down mechanism structure diagram in the present invention；
Fig. 6 is the present invention and exterior clamping device attachment structure schematic diagram.
With reference to attached drawing, make the following instructions：
1 --- frame body 11 --- is drivingly connected plate
111 --- bottom 112 --- arms
12 --- upset cover board 121 --- axis pins
122 --- contiguous block 2 --- connecting flange mechanisms
21 --- sliding block 22 --- second actuating units
221 --- motor 222 --- spiral lifts
3 --- hold-down mechanism 31 --- nuts
32 --- column spinner 33 --- pressure strips
34 --- sleeve 35 --- second oil cylinders
36 --- key 4 --- first actuating units
5 --- the first oil cylinder 6 --- compact heaps
7 --- guiding mechanism 71 --- connecting portions
72 --- rolled portion 721 --- rollers
8 --- the 4th oil cylinder 9 --- exterior clamping devices
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of expansion joint experiment driving device, including frame body 1, several connecting flanges
Mechanism 2,3 and first actuating unit 4 of hold-down mechanism, the frame body include being drivingly connected plate 11 and upset cover board 12, the driving
Connecting plate includes surrounding the bottom 111 of U-type groove and two opposite arms 112, and one end of the upset cover board is rotationally connected with institute
On the free end for stating the arm for being drivingly connected plate, first actuating unit can drive the upset cover board to rotate, and make institute
The opening that U-type groove is stated in upset cover plate lid residence is stated, the other end of the upset cover board can be positioned at institute by the hold-down mechanism
On the free end for stating another arm for being drivingly connected plate, several described connecting flange mechanism being circumferentially arranged along the frame body,
Each connecting flange mechanism includes radially sliding the sliding block 21 of other direction stop along the frame body and drives the sliding block
The second actuating unit 22 slided.In said structure, the bottom and two opposite arms that are drivingly connected plate surround U-type groove, that is, drive
Dynamic connecting plate is integrally U-shaped, and U-shaped drive connection plate coordinates with upset cover board, and during experiment, upset cover board is located at open mode,
It is convenient to lift expansion joint testpieces in the U-type groove of drive connection plate, then, upset cover board is driven by the first actuating unit
Rotation, makes upset cover board cover the opening of U-type groove, that is, surrounds a ring-type location structure, and upset cover board passes through hold-down mechanism pressure again
Positioned at being drivingly connected on plate, which can be positioned at expansion joint in U-type groove, then, pass through several for tightening
Second actuating unit of connecting flange mechanism drives its sliding block to be radially slided along frame body, i.e., is slided towards expansion joint testpieces, i.e.,
Expansion joint testpieces can be clamped, in this way, by adjusting slider apart from the position at frame body center, you can meet different bore expansions
The experiment demand of section.
Preferably, equipped with four connecting flange mechanisms, circumferential direction of four connecting flange mechanisms along the frame body
Uniformly arrangement, one of connecting flange mechanism are arranged on the upset cover board, and connecting flange mechanism described in the other three is arranged on institute
State and be drivingly connected on plate.It is a kind of preferred embodiment to set four connecting flange mechanisms, and the quantity of connecting flange mechanism can be with
Set according to being actually needed, for example be designed to six or eight etc..
Preferably, second actuating unit includes motor 221 and spiral lift 222, and the motor passes through the spiral shell
Revolve sliding block radially sliding along the frame body described in elevator drives.In this way, spiral lift adjusting slider is driven by motor
Apart from the position at frame body center, meets the needs of different bore expansion joints.For example, to two expansion joints by flanged joint
When testpieces is tested, its spiral lift, spiral lift are driven by the motor of several connecting flange mechanisms at the same time
And then drive corresponding sliding block radially sliding along frame body, i.e. flange of the sliding block towards the expansion joint testpieces at the center of frame body
Slide, reach the function of clamping expansion joint testpieces.The connection of motor and spiral lift is the prior art, no longer superfluous herein
State.
Preferably, the end face of the sliding block towards the one end at the center of the frame body is arc-shaped, and is formed on the end face
There is the groove to match with expansion joint testpieces fixation flange.In this way, during experiment, the flange of expansion joint testpieces is arranged on driving
In the U-type groove of connecting plate, the arc of sliding block towards the curved end and the flange of expansion joint testpieces of expansion joint matches, i.e., sliding
Block is blocked the flange of expansion joint testpieces by the groove of the end face.
Referring to Fig. 4, as a kind of preferred embodiment, the sliding block radially slides other direction stop along the frame body
Structure is：The frame body is radially equipped with the sliding slot to match with the sliding block, and the sliding block is arranged in the sliding slot, is additionally provided with
The sliding block is pressed on the frame body by the first oil cylinder 5 and compact heap 6, compact heap described in first hydraulic oil cylinder driving, makes institute
State sliding block and radially slide other direction stop along the frame body.In this way, by the first oil cylinder by the sliding block pressure of connecting flange mechanism
Tightly on frame body, solve in experimentation because drawing between the sliding block and drive connection plate of connecting flange mechanism there are gap
Problem is rocked by the connecting flange mechanism risen.
Shown in Figure 5, as a kind of preferred embodiment, the hold-down mechanism includes nut 31, column spinner 32, compresses
Plate 33,34 and second oil cylinder 35 of sleeve, the lower end of the sleeve are fixedly connected with second oil cylinder, the nut and the rotation
The threaded upper ends connection of rotary column, the lower slide of the column spinner are sheathed in the sleeve, and the pressure strip is sheathed on described
On column spinner, and it is stopped between the nut and the sleeve, and the pressure strip is connected with the column spinner by key 36,
The lower end of the column spinner is fixedly connected with the piston rod of second oil cylinder, and the column spinner side has spiral groove, institute
The other end for stating upset cover board is arranged between the free end of the pressure strip and another arm for being drivingly connected plate.In this way,
While column spinner is moved vertically by the second oil cylinder in sleeve, by key connection pressure strip can be driven to rotate,
And then the other end for overturning cover board is compressed and is positioned on the free end for another arm for being drivingly connected plate, make itself and drive connection
The U-type groove of plate surrounds the annular of a positioning expansion joint testpieces.
Preferably, described upset cover board one end is rotationally connected with an arm of the drive connection plate by axis pin 121
On free end, first actuating unit is the 3rd oil cylinder, and the 3rd oil cylinder is fixedly arranged on the free end of the drive connection plate
On, the power output shaft of the 3rd oil cylinder is fixedly connected with the contiguous block 122 that described upset cover board end is formed.In this way, upset
Connected between cover board and drive connection plate by axis pin, by the 3rd oil cylinder upset cover board can be made to be rotated centered on axis pin, made
The other end of upset cover board covers the U type slot for being drivingly connected plate, and the other end of cover board then can will be overturn by hold-down mechanism
It is positioned at and is drivingly connected on another arm of plate.
Preferably, at least two are additionally provided with and is used to support the guiding mechanism 7, Mei Gesuo that the drive connection plate moves back and forth
Stating guiding mechanism includes connecting portion 71 and rolled portion 72, and the connecting portion is fixed in the bottom of the drive connection plate, the company
The distance between socket part and the rolled portion are adjustable, and the bottom of the rolled portion is equipped with roller 721.Guiding mechanism is used to support
Frame body is reciprocating, is installed on below the drive connection plate of frame body, uses rolling friction design with reducing friction resistance, connection
The distance between portion and rolled portion are adjustable, when it is implemented, connected between connecting portion and rolled portion by adjusting bolt, this
Sample, can adjust the height of guiding mechanism in order to assembling, adjust and dismantle by adjusting bolt.
Preferably, several the 4th oil cylinders 8 are additionally provided with, each 4th oil cylinder be fixedly arranged on the drive connection plate with
Between exterior clamping device 9, and the power output driving drive connection plate of each 4th oil cylinder is back and forth transported vertically
It is dynamic.It is axial reciprocating along it under the action of several the 4th oil cylinders that plate is drivingly connected during experiment.Due to bellows expansion
Section, which is fixed on, to be drivingly connected in the U-type groove of plate, therefore, is drivingly connected the reciprocating motion of plate, can be driven and realize the past of expansion joint
The advantages of multiple movement, has that thrust is big by the 4th hydraulic oil cylinder driving, small, operates steadily, and speed governing facilitates.
Above example is referring to the drawings, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art
Member by above-described embodiment carry out various forms on modification or change, but without departing substantially from the present invention essence in the case of, all
Fall within the scope and spirit of the invention.
Claims (7)
- A kind of 1. expansion joint experiment driving device, it is characterised in that：Including frame body (1), several connecting flange mechanisms (2), Hold-down mechanism (3) and the first actuating unit (4), the frame body include being drivingly connected plate (11) and upset cover board (12), the drive Dynamic connecting plate includes surrounding the bottom (111) of U-type groove and opposite two arms (112), and one end of the upset cover board, which rotates, to be connected It is connected on the free end of an arm of the drive connection plate, first actuating unit can drive the upset cover board to revolve Turn, the upset cover plate lid residence is stated the opening of U-type groove, the hold-down mechanism can determine the other end of the upset cover board On the free end of another arm of the drive connection plate, several circumferential directions of connecting flange mechanism along the frame body Arrangement, each connecting flange mechanism include sliding block (21) and the driving institute that other direction stop are radially slided along the frame body State the second actuating unit (22) of sliding block slip；Described upset cover board one end is rotationally connected with the driving by axis pin (121) On the free end of one arm of connecting plate, first actuating unit is the 3rd oil cylinder, and the 3rd oil cylinder is fixedly arranged on the driving On the free end of connecting plate, the power output shaft of the 3rd oil cylinder and the contiguous block (122) of described upset cover board end formation It is fixedly connected；Several the 4th oil cylinders (8) are additionally provided with, each 4th oil cylinder is fixedly arranged on the drive connection plate and is filled with exterior Between clamp device (9), and the power output driving drive connection plate of each 4th oil cylinder moves axially in reciprocal fashion.
- 2. expansion joint experiment driving device according to claim 1, it is characterised in that：Equipped with four connecting flanges Mechanism, four connecting flange mechanisms are arranged on institute along circumferential uniformly arrangement, the one of connecting flange mechanism of the frame body State on upset cover board, connecting flange mechanism described in the other three is arranged on the drive connection plate.
- 3. expansion joint experiment driving device according to claim 2, it is characterised in that：Second actuating unit includes Motor (221) and spiral lift (222), the motor drive the sliding block along the frame body by the spiral lift Radially slide.
- 4. expansion joint experiment driving device according to claim 2, it is characterised in that：The sliding block is towards the frame body The end face of one end at center be arc-shaped, it is and recessed formed with matching with expansion joint testpieces fixation flange on the end face Groove.
- 5. expansion joint experiment driving device according to claim 2, it is characterised in that：The sliding block is along the frame body footpath To slide other direction stop structure be：The frame body is radially equipped with the sliding slot to match with the sliding block, the sliding block In the sliding slot, the first oil cylinder (5) and compact heap (6) are additionally provided with, compact heap described in first hydraulic oil cylinder driving is by described in Sliding block is pressed on the frame body, the sliding block is radially slided other direction stop along the frame body.
- 6. expansion joint experiment driving device according to claim 2, it is characterised in that：The hold-down mechanism includes nut (31), column spinner (32), pressure strip (33), sleeve (34) and the second oil cylinder (35), the lower end of the sleeve and the described second oil Cylinder is fixedly connected, and the nut is connected with the threaded upper ends of the column spinner, and the lower slide of the column spinner is sheathed on described In sleeve, the pressure strip is sheathed on the column spinner, and is stopped between the nut and the sleeve, and the compression Plate is connected with the column spinner by key (36), and the lower end of the column spinner is fixedly connected with the piston rod of second oil cylinder, The column spinner side has spiral groove, and the other end of the upset cover board is arranged on the pressure strip and the drive connection plate Another arm free end between.
- 7. expansion joint experiment driving device according to claim 1, it is characterised in that：Be additionally provided with least two be used for branch The guiding mechanism (7) that the drive connection plate moves back and forth is supportted, each guiding mechanism includes connecting portion (71) and rolled portion (72), the connecting portion is fixed in the bottom of the drive connection plate, and the distance between the connecting portion and the rolled portion can Adjust, the bottom of the rolled portion is equipped with roller (721).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021601.5A CN104568414B (en) | 2015-01-16 | 2015-01-16 | Expansion joint experiment driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510021601.5A CN104568414B (en) | 2015-01-16 | 2015-01-16 | Expansion joint experiment driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104568414A CN104568414A (en) | 2015-04-29 |
| CN104568414B true CN104568414B (en) | 2018-04-24 |
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ID=53084995
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510021601.5A Active CN104568414B (en) | 2015-01-16 | 2015-01-16 | Expansion joint experiment driving device |
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| Country | Link |
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| CN (1) | CN104568414B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588713B (en) * | 2016-03-23 | 2018-10-16 | 江苏省特种设备安全监督检验研究院 | A kind of bellows expansion joint mechanical test device |
| CN112781875B (en) * | 2021-01-20 | 2023-05-16 | 深圳市磁稳科技有限公司 | Driving device for expansion joint test |
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| EP0775911A1 (en) * | 1995-11-21 | 1997-05-28 | Siemens Aktiengesellschaft | Method and apparatus for examining and/or processing a tubular piece |
| CN2829946Y (en) * | 2005-09-30 | 2006-10-25 | 中信重型机械公司 | Eight-claw auto centering clamping device of vertically working ring |
| CN102152146A (en) * | 2011-04-15 | 2011-08-17 | 青岛海通车桥有限公司 | Clamp for drilling holes of plate spring panels of front axle of automobile and using method thereof |
| CN103056690A (en) * | 2012-08-08 | 2013-04-24 | 南京梅山冶金发展有限公司 | Multi-standard steel pipe end face machining fast-changing tooling |
| CN103234833A (en) * | 2013-05-06 | 2013-08-07 | 西安海联石化科技有限公司 | Equipment and device for hydraulic pressure test of rear metal pipe |
| CN204405309U (en) * | 2015-01-16 | 2015-06-17 | 江苏省特种设备安全监督检验研究院 | Expansion joint test drive unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009041232A1 (en) * | 2007-09-26 | 2009-04-02 | Ntn Corporation | Hydrodynamic bearing device |
-
2015
- 2015-01-16 CN CN201510021601.5A patent/CN104568414B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0775911A1 (en) * | 1995-11-21 | 1997-05-28 | Siemens Aktiengesellschaft | Method and apparatus for examining and/or processing a tubular piece |
| CN2829946Y (en) * | 2005-09-30 | 2006-10-25 | 中信重型机械公司 | Eight-claw auto centering clamping device of vertically working ring |
| CN102152146A (en) * | 2011-04-15 | 2011-08-17 | 青岛海通车桥有限公司 | Clamp for drilling holes of plate spring panels of front axle of automobile and using method thereof |
| CN103056690A (en) * | 2012-08-08 | 2013-04-24 | 南京梅山冶金发展有限公司 | Multi-standard steel pipe end face machining fast-changing tooling |
| CN103234833A (en) * | 2013-05-06 | 2013-08-07 | 西安海联石化科技有限公司 | Equipment and device for hydraulic pressure test of rear metal pipe |
| CN204405309U (en) * | 2015-01-16 | 2015-06-17 | 江苏省特种设备安全监督检验研究院 | Expansion joint test drive unit |
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| Publication number | Publication date |
|---|---|
| CN104568414A (en) | 2015-04-29 |
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