CN210665017U - Bridge expansion joint detection device - Google Patents
Bridge expansion joint detection device Download PDFInfo
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- CN210665017U CN210665017U CN201921683832.2U CN201921683832U CN210665017U CN 210665017 U CN210665017 U CN 210665017U CN 201921683832 U CN201921683832 U CN 201921683832U CN 210665017 U CN210665017 U CN 210665017U
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- expansion joint
- clamp
- sliding table
- detection device
- joint detection
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Abstract
The utility model relates to a frock technical field discloses a bridge expansion joint detection device. Bridge expansion joint detection device includes: a support; the fixture assembly comprises two fixtures arranged on the support, the fixtures can slide relative to the support, and the two fixtures are matched for clamping the expansion joint to be tested; and the force measuring component is connected to one of the clamps and is used for detecting the force applied by the clamp to the expansion joint to be tested in the testing process. The utility model discloses in the test of the deformability of well utilization bridge expansion joint detection device to the expansion joint, can continuous control apply the power at the expansion joint, improve the measuring accuracy.
Description
Technical Field
The utility model relates to a frock technical field especially relates to a bridge expansion joint detection device.
Background
When the clamping performance of the bridge expansion joint is tested, a sample needs to be continuously and uniformly loaded with a horizontal force at the speed of 0.05-0.10 KN/s, and when the horizontal force is loaded to 0.2KN, the load is kept for 15 minutes, so that the deformation performance of the bridge expansion joint is detected.
Adopt the mounting fixture test piece among the prior art usually, press from both sides tight in-process, artifical manual clamp expansion joint, through the application of force of manual control to the expansion joint, at the in-process that exerts the force, need measure many times, the change of the in-process of exerting clamping-force to the expansion joint can't accurate control, leads to the measuring accuracy lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge expansion joint detection device, to the deformation performance's of expansion joint in the test, can continuous control apply in the power at expansion joint, improve the measuring accuracy.
To achieve the purpose, the utility model adopts the following technical proposal:
there is provided a bridge expansion joint detection apparatus comprising:
a support;
the fixture assembly comprises two fixtures arranged on the support, the fixtures can slide relative to the support, and the two fixtures are matched for clamping the expansion joint to be tested;
and the force measuring component is connected to one of the clamps and is used for detecting the force applied by the clamp to the expansion joint to be tested in the testing process.
Preferably, the support is provided with a bidirectional sliding table, during testing, one of the clamps is arranged on the bidirectional sliding table in a sliding mode, and the other clamp is fixed on the bidirectional sliding table.
Preferably, the bidirectional sliding table is an electric bidirectional sliding table.
Preferably, two-way slip table is manual two-way slip table, manual two-way slip table includes:
the clamp is arranged on the sliding table in a sliding mode;
the clamp comprises a screw rod and a connecting block, wherein one end of the screw rod penetrates through the sliding table, one end of the screw rod extending into the sliding table is connected to the connecting block, the connecting block is connected to the clamp which is not connected to the force measuring assembly, and the connecting block reciprocates along the screw rod;
and the driving assembly is connected to the lead screw and drives the lead screw to rotate so as to drive the clamp which is not connected to the force measuring assembly to reciprocate.
Preferably, the driving component is a handle or a motor, and the handle or the motor is connected to the lead screw.
Preferably, the force measuring assembly comprises:
the support frame is arranged on the support;
and the push-pull dynamometer is arranged on the support frame, the force measuring end of the push-pull dynamometer is connected with the clamp fixed on the bidirectional sliding table, and the push-pull dynamometer is used for measuring and displaying the horizontal force applied to the expansion joint by the clamp in the test process.
Preferably, the force measuring assembly further comprises:
the push-pull dynamometer cover is connected to the support frame and is provided with a display window;
and the transparent plate is arranged on the display window.
Preferably, the transparent plate is bonded to the display window of the push-pull dynamometer cover.
Preferably, the jig assembly further comprises:
the clamp base is arranged on the connecting block and can slide relative to the bidirectional sliding table, and the clamp is arranged on the clamp base;
and the jacking assembly is rotatably connected with the clamp base and is used for jacking the clamp.
Preferably, the tightening assembly comprises:
the rotating piece is rotatably connected to the clamp base;
the manual screw handle is arranged on the rotating part in a penetrating mode and is connected to the rotating part in a threaded mode;
the pressure head is arranged at one end of the manual screw shank and can be abutted against the clamp for fastening the expansion joint to be tested.
The utility model has the advantages that: the utility model discloses in utilize the expansion joint that two anchor clamps centre grippings of anchor clamps subassembly await measuring, only carry out the structural test to one section at expansion joint, exert predetermined load to the expansion joint that awaits measuring to keep the preset time under predetermined load. In the process of applying load to the expansion joint to be tested, the force applied to the expansion joint to be tested is continuously monitored through the force measuring assembly, the force applied to the expansion joint can be accurately controlled, and therefore the detection precision is improved.
Drawings
Fig. 1 is a schematic structural view of the bridge expansion joint detection device of the present invention;
FIG. 2 is a front view of the bridge expansion joint detection device of the present invention;
FIG. 3 is a top view of the bridge expansion joint detection device of the present invention;
FIG. 4 is a side view of the bridge expansion joint detecting device of the present invention;
fig. 5 is a schematic structural view of the clamp base of the present invention;
fig. 6 is a schematic structural view of the clamp assembly of the present invention (excluding the clamp).
In the figure: 1. a support; 11. a handle;
2. a clamp assembly; 21. a clamp; 22. a clamp base; 221. positioning pins; 23. jacking the assembly; 231. a rotating member; 232. a manual screw handle; 233. a pressure head; 25. an ear plate; 251. a strip-shaped hole; 26 pins; 27. a traction frame; 28. knurled screw heads;
3. an expansion joint;
4. a force measuring assembly; 41. a support frame; 42. a push-pull force meter; 43. a push-pull force gauge cover; 44. a transparent plate;
5. a bidirectional sliding table; 51. connecting blocks; 53. a sliding table; 54. a handle.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 6, in this embodiment, in order to test the deformation performance of the bridge expansion joint under a fixed load, a bridge expansion joint detection device is designed, and the device includes a support 1, a clamp assembly 2 and a force measuring assembly 4. Wherein, anchor clamps subassembly 2 is including setting up two anchor clamps 21 on support 1, and anchor clamps 21 can slide for support 1, and two anchor clamps 21 cooperate and are used for the expansion joint 3 of centre gripping examination of awaiting measuring. The force measuring component 4 is connected to one of the clamps 21, and the force measuring component 4 is used for detecting the force applied by the clamp 21 to the expansion joint 3 to be tested in the testing process.
In this embodiment, the two clamps 21 of the clamp assembly 2 are used to clamp the expansion joint 3 to be tested, only a section of the expansion joint 3 is tested, a predetermined load is applied to the expansion joint 3 to be tested, and the expansion joint 3 to be tested is kept under the predetermined load for a predetermined time. In the process of applying load to the expansion joint 3 to be tested, the force applied to the expansion joint 3 to be tested is continuously monitored through the force measuring component 4, the force applied to the expansion joint 3 can be accurately controlled, and therefore the detection precision is improved.
Specifically, the support 1 is provided with a bidirectional sliding table 5, and during testing, one of the clamps 21 is slidably arranged on the bidirectional sliding table 5, and the other clamp 21 is fixed on the bidirectional sliding table 5. During testing, one clamp 21 is fixed, the other clamp 21 moves, and the two clamps 21 approach to each other to extrude the expansion joint 3.
In this embodiment, the above-mentioned bidirectional sliding table 5 is a manual bidirectional sliding table, and the manual bidirectional sliding table includes a sliding table 53, a lead screw, a connecting block 51 and a driving assembly. Wherein, anchor clamps 21 can slide and set up in slip table 53, and the slip table 53 is worn to locate by the one end of lead screw, and the lead screw stretches into the one end of slip table 53 and connects in connecting block 51, and connecting block 51 connects in not connecting in the anchor clamps 21 of force measuring component 4, and connecting block 51 is along lead screw reciprocating motion. The driving assembly is connected to the screw rod and drives the screw rod to rotate, so as to drive the clamp 21 which is not connected to the force measuring assembly 4 to reciprocate. The driving assembly is a handle 54 connected to the screw rod, the manual operation of the handle 54 controls the application of force to the expansion joint 3, and in other embodiments, the motor may be used to drive the screw rod to rotate, so as to drive the clamp 21 to move.
The bidirectional sliding table 5 in other embodiments may also be an electric bidirectional sliding table. The force application and the holding time of the clamp 21 on the expansion joint 3 are controlled in an electric control mode.
More specifically, the force measuring assembly 4 comprises a support frame 41, a push-pull force gauge 42, a push-pull force gauge cover 43 and a transparent plate 44, wherein the support frame 41 is fastened to the support 1 by screws. The push-pull force meter 42 is arranged on the support frame 41, the force measuring end of the push-pull force meter 42 is connected to the clamp 21 fixed on the bidirectional sliding table 5, and the push-pull force meter 42 is used for measuring and displaying the horizontal force applied to the expansion joint 3 in the test process. The push-pull force meter cover 43 is connected to the support frame 41 and is arranged above the push-pull force meter 42, and a display window is arranged on the push-pull force meter cover 43, so that an operator can conveniently observe the application force on the expansion joint 3 in real time. The transparent plate 44 is disposed at the display window. The transparent plate 44 is adhered to the display window. Preferably, the transparent plate 44 in this embodiment is a plexiglas plate, which is inexpensive and easy to manufacture.
Further specifically, the above-mentioned clamp assembly 2 further includes a clamp base 22 and a jacking assembly 23, wherein the clamp base 22 is disposed on the connecting block 51, and the clamp base 22 is driven by the connecting block 51 to slide relative to the bidirectional sliding table 5. The clamp 21 is arranged on the clamp base 22, and the clamp base 22 is provided with a positioning pin 221 for positioning the clamp 21. The concrete structure of the clamp 21 is adjusted according to the structural form of the expansion joint 3. The jacking assembly 23 is rotatably connected to the clamp base 22, and the jacking assembly 23 is used for jacking the clamp 21. Specifically, the tightening assembly 23 includes a rotating member 231, a manual screw 232 and a pressing head 233, wherein the clamp base 22 is welded with the lug plate 25, and the rotating member 231 is rotatably connected to the lug plate 25 through a pin 26, so that the rotating member 231 is rotatably connected to the clamp base 22. In addition, a traction frame 27 is provided on the ear plate 25 on the side to which the push-pull dynamometer 42 is connected, and one end of the push-pull dynamometer 42 is connected to the traction frame 27. The traction frame 27 is tightly connected with the ear plate 25 through the knurled screw 28, the ear plate 25 is provided with a strip-shaped hole 251 in the vertical direction, and the relative position of the traction frame 27 and the ear plate 25 can be adjusted through the matching connection of the knurled screw 28 and the strip-shaped hole 251.
The manual screw 232 is disposed through the rotating member 231 and is threadedly connected to the rotating member 231. The pressing head 233 is arranged at one end of the manual screw shank 232, and the pressing head 233 can be pressed against the clamp 21 for fastening the expansion joint 3 to be tested. As shown in fig. 1 and 2, one end of the pressing head 233 is provided with a right-angle notch, which is pressed against the clamp 21, and the expansion joint 3 is clamped by adjusting the manual screw handle 232. The indenter 233 and the manual screw 232 in this embodiment are both made of SUS 304.
In addition, a handle 11 is also provided on the support 1 to facilitate movement of the overall structure. The two handles 11 are symmetrically arranged on two sides of the bidirectional sliding table 5.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A bridge expansion joint detection device, characterized by includes:
a support (1);
the fixture assembly (2) comprises two fixtures (21) arranged on the support (1), the fixtures (21) can slide relative to the support (1), and the two fixtures (21) are matched for clamping the expansion joint (3) to be tested;
the force measuring component (4) is connected to one of the clamps (21), and the force measuring component (4) is used for detecting the force applied by the clamp (21) to the expansion joint (3) to be tested in the testing process.
2. The bridge expansion joint detection device according to claim 1, wherein a bidirectional sliding table (5) is arranged on the support (1), and during testing, one of the clamps (21) is arranged on the bidirectional sliding table (5) in a sliding manner, and the other clamp (21) is fixed on the bidirectional sliding table (5).
3. The bridge expansion joint detection device according to claim 2, wherein the bidirectional sliding table (5) is an electric bidirectional sliding table.
4. The bridge expansion joint detection device of claim 2, wherein the bidirectional sliding table (5) is a manual bidirectional sliding table, and the manual bidirectional sliding table comprises:
a sliding table (53), wherein the clamp (21) can be arranged on the sliding table (53) in a sliding manner;
the force measuring device comprises a screw rod and a connecting block (51), one end of the screw rod penetrates through the sliding table (53), one end of the screw rod, which extends into the sliding table (53), is connected to the connecting block (51), the connecting block (51) is connected to the clamp (21) which is not connected to the force measuring assembly (4), and the connecting block (51) reciprocates along the screw rod;
the driving assembly is connected to the lead screw and drives the lead screw to rotate so as to drive the clamp (21) which is not connected to the force measuring assembly (4) to reciprocate.
5. The bridge expansion joint detection device of claim 4, wherein the driving component is a handle (54) or a motor, and the handle (54) or the motor is connected to the lead screw.
6. The bridge expansion joint detection device according to claim 2, wherein the load cell (4) comprises:
the support frame (41) is arranged on the support (1);
and the push-pull dynamometer (42) is arranged on the support frame (41), the force measuring end of the push-pull dynamometer is connected to the clamp (21) fixed on the bidirectional sliding table (5), and the push-pull dynamometer (42) is used for measuring and displaying the horizontal force applied to the expansion joint (3) by the clamp (21) in the test process.
7. The bridge expansion joint detection device of claim 6, wherein the load cell assembly (4) further comprises:
the push-pull dynamometer cover (43) is connected to the support frame (41), and a display window is arranged on the push-pull dynamometer cover (43);
and the transparent plate (44) is arranged on the display window.
8. The bridge expansion joint detection apparatus of claim 7, wherein the transparent plate (44) is bonded to the display window of the push-pull dynamometer cover (43).
9. The bridge expansion joint detection apparatus of claim 4, wherein the clamp assembly (2) further comprises:
the clamp base (22), the clamp base (22) is arranged on the connecting block (51) and can slide relative to the bidirectional sliding table (5), and the clamp (21) is arranged on the clamp base (22);
the jacking assembly (23) is rotatably connected to the clamp base (22), and the jacking assembly (23) is used for jacking the clamp (21).
10. The bridge expansion joint detection device according to claim 9, wherein the tightening member (23) comprises:
a rotating member (231) rotatably connected to the jig base (22);
the manual screw handle (232) is arranged in the rotating part (231) in a penetrating mode and is connected to the rotating part (231) in a threaded mode;
the pressing head (233) is arranged at one end of the manual screw shank (232), and the pressing head (233) can abut against the clamp (21) and is used for fastening the expansion joint (3) to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683832.2U CN210665017U (en) | 2019-09-29 | 2019-09-29 | Bridge expansion joint detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683832.2U CN210665017U (en) | 2019-09-29 | 2019-09-29 | Bridge expansion joint detection device |
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| Publication Number | Publication Date |
|---|---|
| CN210665017U true CN210665017U (en) | 2020-06-02 |
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| CN201921683832.2U Active CN210665017U (en) | 2019-09-29 | 2019-09-29 | Bridge expansion joint detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155599A (en) * | 2021-02-25 | 2021-07-23 | 温州际高检测仪器有限公司 | Mechanical property tester for finished product of building deformation joint device |
| CN117571518A (en) * | 2024-01-15 | 2024-02-20 | 吉林省金舆科技有限公司 | Abnormal steel plate strength test equipment for bridge anti-collision wall expansion joint |
-
2019
- 2019-09-29 CN CN201921683832.2U patent/CN210665017U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155599A (en) * | 2021-02-25 | 2021-07-23 | 温州际高检测仪器有限公司 | Mechanical property tester for finished product of building deformation joint device |
| CN113155599B (en) * | 2021-02-25 | 2022-06-10 | 温州际高检测仪器有限公司 | Mechanical property tester for finished product of building deformation joint device |
| CN117571518A (en) * | 2024-01-15 | 2024-02-20 | 吉林省金舆科技有限公司 | Abnormal steel plate strength test equipment for bridge anti-collision wall expansion joint |
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