CN204405309U - Expansion joint test drive unit - Google Patents
Expansion joint test drive unit Download PDFInfo
- Publication number
- CN204405309U CN204405309U CN201520029928.2U CN201520029928U CN204405309U CN 204405309 U CN204405309 U CN 204405309U CN 201520029928 U CN201520029928 U CN 201520029928U CN 204405309 U CN204405309 U CN 204405309U
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- CN
- China
- Prior art keywords
- joint
- support body
- cover plate
- expansion joint
- oil cylinder
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Abstract
The utility model discloses a kind of expansion joint test drive unit, comprise support body, several joint flange mechanisms, hold-down mechanism and the first actuating unit, support body comprises driving web joint and upset cover plate, one end of upset cover plate is rotationally connected with and drives on web joint, first actuating unit can drive upset cover plate to rotate, upset cover plate is made to cover the opening of U-type groove, upset cover plate can be positioned to drive on web joint by hold-down mechanism, several joint flange mechanism being circumferentially arranged along support body, each joint flange mechanism comprises and radially slides the slide block of other direction stop along support body and drive the second actuating unit of skid.The utility model can drive the to-and-fro movement of expansion joint testpieces, and testing process is steady, drives spiral lift to regulate the position connecting switching mechanism, can meet the testing requirements of different expansion joint by motor.
Description
Technical field
The utility model relates to the pick-up unit of expansion joint, specifically relates to a kind of expansion joint test drive unit.
Background technology
Expansion joint product is before dispatching from the factory, all withstand voltage test will be carried out in accordance with regulations, the object of test is the macro strength of inspection expansion joint under overwork condition, it is checked whether to possess the ability of safe operation under design load, simultaneously, can check the compactness of expansion joint, checking may Problems existing in material, structure and manufacturing process.Along with expansion joint is widely used in departments such as chemical industry, metallurgy, nuclear energy, require more strict to the performance index of expansion joint, this seems particularly important with regard to making the pick-up unit of expansion joint.
The pick-up unit of expansion joint generally includes and carries out the mechanical clamping device of Set and Positioning and the drive unit of driving expansion joint axially reciprocating to expansion joint.Drive unit has different pattern according to the difference of mechanical clamping device, but, existing drive unit can only be applicable to the driving of the expansion joint of fixed measure, the drive unit also lack one and can drive testpieces to-and-fro movement, operate steadily, speed governing is convenient, being applicable to the testing requirements of different size expansion joint.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model proposes a kind of expansion joint detection drive unit, testpieces to-and-fro movement can be driven, operate steadily, speed governing is convenient and can meet the testing requirements of different size expansion joint.
The technical solution of the utility model is achieved in that
A kind of expansion joint test drive unit, comprise support body, several joint flange mechanisms, hold-down mechanism and the first actuating unit, described support body comprises driving web joint and upset cover plate, described driving web joint comprises the bottom and two relative arms that surround U-type groove, one end of described upset cover plate is rotationally connected with on the free end of an arm of described driving web joint, described first actuating unit can drive described upset cover plate to rotate, described upset cover plate is made to cover the opening of described U-type groove, the other end of described upset cover plate can be positioned on the free end of another arm of described driving web joint by described hold-down mechanism, joint flange mechanism being circumferentially arranged along described support body described in several, each described joint flange mechanism comprises and radially slides the slide block of other direction stop along described support body and drive the second actuating unit of described skid.
As further improvement of the utility model, be provided with four described joint flange mechanisms, four described joint flange mechanisms evenly arrange along the circumference of described support body, one of them joint flange mechanism is located on described upset cover plate, and another three described joint flange mechanisms are located on described driving web joint.
As further improvement of the utility model, described second actuating unit comprises motor and spiral lift, and described motor drives described slide block radially sliding along described support body by described spiral lift.
As further improvement of the utility model, described slide block is circular arc towards the end face of the one end at the center of described support body, and this end face is formed fixes with expansion joint testpieces the groove matched with flange.
As further improvement of the utility model, the structure that described slide block radially slides other direction stop along described support body is: described support body is radially provided with the chute matched with described slide block, described slide block is located in described chute, separately be provided with the first oil cylinder and compact heap, described in described first hydraulic oil cylinder driving, described slide block is pressed on described support body by compact heap, makes described slide block radially slide other direction stop along described support body.
As further improvement of the utility model, described hold-down mechanism comprises nut, column spinner, pressure strip, sleeve and the second oil cylinder, the lower end of described sleeve is fixedly connected with described second oil cylinder, described nut is connected with the threaded upper ends of described column spinner, the lower slide of described column spinner is sheathed in described sleeve, described pressure strip is sheathed on described column spinner, and be stopped between described nut and described sleeve, and described pressure strip is connected by key with described column spinner, the lower end of described column spinner is fixedly connected with the piston rod of described second oil cylinder, the all sides of described column spinner have spiral groove, the other end of described upset cover plate is located between the free end of another arm of described pressure strip and described driving web joint.
As further improvement of the utility model, described upset cover plate one end is rotationally connected with on the free end of an arm of described driving web joint by bearing pin, described first actuating unit is the 3rd oil cylinder, 3rd oil cylinder is fixedly arranged on this free end of described driving web joint, and the contiguous block that power output shaft and described this end of upset cover plate of the 3rd oil cylinder are formed is fixedly connected with.
As further improvement of the utility model, separately be provided with at least two for supporting the reciprocating guiding mechanism of described driving web joint, each described guiding mechanism comprises connecting portion and rolled portion, described connecting portion is fixed in the bottom of described driving web joint, distance between described connecting portion and described rolled portion is adjustable, and the bottom of described rolled portion is provided with roller.
As further improvement of the utility model, separately be provided with several the 4th oil cylinders, being fixedly arranged between described driving web joint and outside clamping device of each described 4th oil cylinder, and the Power output of each described 4th oil cylinder drives the to-and-fro movement vertically of described driving web joint.
The beneficial effects of the utility model are: the utility model provides a kind of expansion joint detection drive unit, wherein, the bottom of web joint is driven to surround U-type groove with two relative arms, namely drive web joint entirety U-shaped, U-shaped driving web joint coordinates with upset cover plate, during test, upset cover plate is positioned at open mode, conveniently expansion joint testpieces is lifted in the U-type groove of driving web joint, then, upset cover plate is driven to rotate by the first actuating unit, upset cover plate is made to cover the opening of U-type groove, namely a ring-type location structure is surrounded, upset cover plate is compressed by hold-down mechanism and is positioned to drive on web joint, expansion joint can be positioned in U-type groove by this ring-type location structure, finally, its slide block is driven to radially slide along support body by the second actuating unit of several joint flange mechanisms, namely slide towards expansion joint testpieces, expansion joint testpieces can be clamped, like this, by the position at adjusting slider distance support body center, the test demand of different bore expansion joint can be met.Preferably, joint flange mechanism drives spiral lift adjusting position by motor, meets the requirement of experiment of different expansion joint.Preferably, drive web joint to use oil cylinder to realize the to-and-fro movement of expansion joint testpieces, thrust is large, and volume is little, operates steadily, and speed governing is convenient.Preferably, be pressed on support body by oil cylinder by the slide block of joint flange mechanism, what solve the joint flange mechanism caused because of there is gap between joint flange mechanism and driving web joint in experimentation rocks problem.Therefore, the utility model can drive testpieces to-and-fro movement, operates steadily, speed governing is convenient and can meet the testing requirements of different size expansion joint.
Accompanying drawing explanation
Fig. 1 is the utility model one viewing angle constructions schematic diagram;
Fig. 2 is A place structure for amplifying schematic diagram in Fig. 1;
Fig. 3 is B place structure for amplifying schematic diagram in Fig. 1;
Fig. 4 is another viewing angle constructions schematic diagram of the utility model;
Fig. 5 is hold-down mechanism structural representation in the utility model;
Fig. 6 is the utility model and outside clamping device syndeton schematic diagram.
By reference to the accompanying drawings, make the following instructions:
1---support body 11---drives web joint
111---bottom 112---arm
12---upset cover plate 121---bearing pin
122---contiguous block 2---joint flange mechanism
21---slide block 22---second actuating unit
221---motor 222---spiral lift
3---hold-down mechanism 31---nut
32---column spinner 33---pressure strip
34---sleeve 35---second oil cylinder
36---key 4---first actuating unit
5---first oil cylinder 6---compact heap
7---guiding mechanism 71---connecting portion
72---rolled portion 721---roller
8---the 4th oil cylinder 9---outside clamping device
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of expansion joint test drive unit, comprise support body 1, several joint flange mechanisms 2, hold-down mechanism 3 and the first actuating unit 4, described support body comprises driving web joint 11 and upset cover plate 12, described driving web joint comprises the bottom 111 and two relative arms 112 that surround U-type groove, one end of described upset cover plate is rotationally connected with on the free end of an arm of described driving web joint, described first actuating unit can drive described upset cover plate to rotate, described upset cover plate is made to cover the opening of described U-type groove, the other end of described upset cover plate can be positioned on the free end of another arm of described driving web joint by described hold-down mechanism, joint flange mechanism being circumferentially arranged along described support body described in several, each described joint flange mechanism comprises and radially slides the slide block 21 of other direction stop along described support body and drive the second actuating unit 22 of described skid.In said structure, the bottom of web joint is driven to surround U-type groove with two relative arms, namely drive web joint entirety U-shaped, U-shaped driving web joint coordinates with upset cover plate, during test, upset cover plate is positioned at open mode, conveniently expansion joint testpieces is lifted in the U-type groove of driving web joint, then, upset cover plate is driven to rotate by the first actuating unit, upset cover plate is made to cover the opening of U-type groove, namely a ring-type location structure is surrounded, upset cover plate is compressed by hold-down mechanism and is positioned to drive on web joint, expansion joint can be positioned in U-type groove by this ring-type location structure, then, its slide block is driven to radially slide along support body by the second actuating unit of several joint flange mechanisms, namely slide towards expansion joint testpieces, expansion joint testpieces can be clamped, like this, by the position at adjusting slider distance support body center, the test demand of different bore expansion joint can be met.
Preferably, be provided with four described joint flange mechanisms, four described joint flange mechanisms evenly arrange along the circumference of described support body, and one of them joint flange mechanism is located on described upset cover plate, and another three described joint flange mechanisms are located on described driving web joint.Arranging four joint flange mechanisms is a kind of preferred implementations, and the quantity of joint flange mechanism can be arranged according to actual needs, is such as designed to six or eight etc.
Preferably, described second actuating unit comprises motor 221 and spiral lift 222, and described motor drives described slide block radially sliding along described support body by described spiral lift.Like this, drive spiral lift adjusting slider in the position at distance support body center by motor, meet the demand of different bore expansion joint.Such as, when two expansion joint testpieces by Flange joint are tested, drive its spiral lift by the motor of several joint flange mechanisms simultaneously, slide block the radially sliding along support body of spiral lift and then driving correspondence, namely slide block slides towards the flange of the expansion joint testpieces of the center of support body, reaches the function of clamping expansion joint testpieces.The connection of motor and spiral lift is prior art, does not repeat them here.
Preferably, described slide block is circular arc towards the end face of the one end at the center of described support body, and this end face is formed fixes with expansion joint testpieces the groove matched with flange.Like this, during test, the flange of expansion joint testpieces be located at drive web joint U-type groove in, slide block matches towards the arc of the flange of the curved end of expansion joint and expansion joint testpieces, and namely the flange of expansion joint testpieces is blocked by the groove of this end face by slide block.
See Fig. 4, as a kind of preferred implementation, the structure that described slide block radially slides other direction stop along described support body is: described support body is radially provided with the chute matched with described slide block, described slide block is located in described chute, separately be provided with the first oil cylinder 5 and compact heap 6, described in described first hydraulic oil cylinder driving, described slide block is pressed on described support body by compact heap, makes described slide block radially slide other direction stop along described support body.Like this, be pressed on support body by the first oil cylinder by the slide block of joint flange mechanism, what solve the joint flange mechanism caused because of there is gap between the slide block of joint flange mechanism and driving web joint in experimentation rocks problem.
Shown in Figure 5, as a kind of preferred implementation, described hold-down mechanism comprises nut 31, column spinner 32, pressure strip 33, sleeve 34 and the second oil cylinder 35, the lower end of described sleeve is fixedly connected with described second oil cylinder, described nut is connected with the threaded upper ends of described column spinner, the lower slide of described column spinner is sheathed in described sleeve, described pressure strip is sheathed on described column spinner, and be stopped between described nut and described sleeve, and described pressure strip is connected by key 36 with described column spinner, the lower end of described column spinner is fixedly connected with the piston rod of described second oil cylinder, the all sides of described column spinner have spiral groove, the other end of described upset cover plate is located between the free end of another arm of described pressure strip and described driving web joint.Like this, while column spinner does vertical movement by the second oil cylinder in sleeve, move pressure strip by key connecting band to rotate, and then the other end of upset cover plate is compressed on the free end of another arm being positioned driving web joint, make itself and the annular driving the U-type groove of web joint to surround a location expansion joint testpieces.
Preferably, described upset cover plate one end is rotationally connected with on the free end of an arm of described driving web joint by bearing pin 121, described first actuating unit is the 3rd oil cylinder, 3rd oil cylinder is fixedly arranged on this free end of described driving web joint, and the contiguous block 122 that power output shaft and described this end of upset cover plate of the 3rd oil cylinder are formed is fixedly connected with.Like this, pinned connection is passed through between upset cover plate and driving web joint, upset cover plate can be made to rotate centered by bearing pin by the 3rd oil cylinder, make the other end of upset cover plate cover the U-type groove mouth driving web joint, then the other end of upset cover plate can be positioned at by hold-down mechanism on another arm driving web joint.
Preferably, separately be provided with at least two for supporting the reciprocating guiding mechanism 7 of described driving web joint, each described guiding mechanism comprises connecting portion 71 and rolled portion 72, described connecting portion is fixed in the bottom of described driving web joint, distance between described connecting portion and described rolled portion is adjustable, and the bottom of described rolled portion is provided with roller 721.It is reciprocating that guiding mechanism is used for supporting frame, below the driving web joint being installed on support body, adopt rolling friction design with reducing friction resistance, distance between connecting portion and rolled portion is adjustable, during concrete enforcement, connected by adjusting bolt between connecting portion and rolled portion, like this, regulate the height of guiding mechanism so that assembling, adjustment and dismounting by adjusting bolt.
Preferably, be separately provided with several the 4th oil cylinders 8, being fixedly arranged between described driving web joint and outside clamping device 9 of each described 4th oil cylinder, and the Power output of each described 4th oil cylinder drives the to-and-fro movement vertically of described driving web joint.Drive web joint axially reciprocating along it under the effect of several the 4th oil cylinders during test.Because bellows expansion joint is fixed in the U-type groove driving web joint, therefore, drive the to-and-fro movement of web joint, can drive the to-and-fro movement realizing expansion joint, have thrust by the 4th hydraulic oil cylinder driving large, volume is little, operates steadily, and speed governing is advantage easily.
Above embodiment is with reference to accompanying drawing, is described in detail to preferred embodiment of the present utility model.Those skilled in the art by carrying out amendment on various forms or change to above-described embodiment, but when not deviating from essence of the present utility model, drops within protection domain of the present utility model.
Claims (9)
1. an expansion joint test drive unit, it is characterized in that: comprise support body (1), several joint flange mechanisms (2), hold-down mechanism (3) and the first actuating unit (4), described support body comprises driving web joint (11) and upset cover plate (12), described driving web joint comprises the bottom (111) and relative two arms (112) that surround U-type groove, one end of described upset cover plate is rotationally connected with on the free end of an arm of described driving web joint, described first actuating unit can drive described upset cover plate to rotate, described upset cover plate is made to cover the opening of described U-type groove, the other end of described upset cover plate can be positioned on the free end of another arm of described driving web joint by described hold-down mechanism, joint flange mechanism being circumferentially arranged along described support body described in several, each described joint flange mechanism comprises and radially slides the slide block (21) of other direction stop along described support body and drive second actuating unit (22) of described skid.
2. expansion joint test drive unit according to claim 1, it is characterized in that: be provided with four described joint flange mechanisms, four described joint flange mechanisms evenly arrange along the circumference of described support body, one of them joint flange mechanism is located on described upset cover plate, and another three described joint flange mechanisms are located on described driving web joint.
3. expansion joint test drive unit according to claim 2, it is characterized in that: described second actuating unit comprises motor (221) and spiral lift (222), and described motor drives described slide block radially sliding along described support body by described spiral lift.
4. expansion joint test drive unit according to claim 2, is characterized in that: described slide block is circular arc towards the end face of the one end at the center of described support body, and this end face is formed fixes with expansion joint testpieces the groove matched with flange.
5. expansion joint test drive unit according to claim 2, it is characterized in that: the structure that described slide block radially slides other direction stop along described support body is: described support body is radially provided with the chute matched with described slide block, described slide block is located in described chute, separately be provided with the first oil cylinder (5) and compact heap (6), described in described first hydraulic oil cylinder driving, described slide block is pressed on described support body by compact heap, makes described slide block radially slide other direction stop along described support body.
6. expansion joint test drive unit according to claim 2, it is characterized in that: described hold-down mechanism comprises nut (31), column spinner (32), pressure strip (33), sleeve (34) and the second oil cylinder (35), the lower end of described sleeve is fixedly connected with described second oil cylinder, described nut is connected with the threaded upper ends of described column spinner, the lower slide of described column spinner is sheathed in described sleeve, described pressure strip is sheathed on described column spinner, and be stopped between described nut and described sleeve, and described pressure strip is connected by key (36) with described column spinner, the lower end of described column spinner is fixedly connected with the piston rod of described second oil cylinder, the all sides of described column spinner have spiral groove, the other end of described upset cover plate is located between the free end of another arm of described pressure strip and described driving web joint.
7. expansion joint test drive unit according to claim 1, it is characterized in that: described upset cover plate one end is rotationally connected with on the free end of an arm of described driving web joint by bearing pin (121), described first actuating unit is the 3rd oil cylinder, 3rd oil cylinder is fixedly arranged on this free end of described driving web joint, and the contiguous block (122) that power output shaft and described this end of upset cover plate of the 3rd oil cylinder are formed is fixedly connected with.
8. expansion joint test drive unit according to claim 1, it is characterized in that: be separately provided with at least two for supporting the reciprocating guiding mechanism of described driving web joint (7), each described guiding mechanism comprises connecting portion (71) and rolled portion (72), described connecting portion is fixed in the bottom of described driving web joint, distance between described connecting portion and described rolled portion is adjustable, and the bottom of described rolled portion is provided with roller (721).
9. expansion joint test drive unit according to claim 1, it is characterized in that: be separately provided with several the 4th oil cylinders (8), being fixedly arranged between described driving web joint and outside clamping device (9) of each described 4th oil cylinder, and the Power output of each described 4th oil cylinder drives the to-and-fro movement vertically of described driving web joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520029928.2U CN204405309U (en) | 2015-01-16 | 2015-01-16 | Expansion joint test drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520029928.2U CN204405309U (en) | 2015-01-16 | 2015-01-16 | Expansion joint test drive unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204405309U true CN204405309U (en) | 2015-06-17 |
Family
ID=53429159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520029928.2U Expired - Fee Related CN204405309U (en) | 2015-01-16 | 2015-01-16 | Expansion joint test drive unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204405309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568414A (en) * | 2015-01-16 | 2015-04-29 | 江苏省特种设备安全监督检验研究院 | Driving device for expansion joint test |
| CN109330537A (en) * | 2018-12-12 | 2019-02-15 | 江苏省特种设备安全监督检验研究院 | A kind of adjustable special type protection shoes clean robot |
-
2015
- 2015-01-16 CN CN201520029928.2U patent/CN204405309U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568414A (en) * | 2015-01-16 | 2015-04-29 | 江苏省特种设备安全监督检验研究院 | Driving device for expansion joint test |
| CN104568414B (en) * | 2015-01-16 | 2018-04-24 | 江苏省特种设备安全监督检验研究院 | Expansion joint experiment driving device |
| CN109330537A (en) * | 2018-12-12 | 2019-02-15 | 江苏省特种设备安全监督检验研究院 | A kind of adjustable special type protection shoes clean robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20200116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |