CN111693259A - Special test bed for highway bridge expansion device and use method - Google Patents
Special test bed for highway bridge expansion device and use method Download PDFInfo
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- CN111693259A CN111693259A CN201911255028.9A CN201911255028A CN111693259A CN 111693259 A CN111693259 A CN 111693259A CN 201911255028 A CN201911255028 A CN 201911255028A CN 111693259 A CN111693259 A CN 111693259A
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- expansion device
- bridge expansion
- end clamp
- transmission
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
A test bed special for a highway bridge expansion device and a using method thereof relate to the field of highway bridge test detection, a transmission case, a transmission steering case, a lead screw supporting seat, a limiting block and a slide rail are respectively fixed on a rack, the transmission case and the transmission steering case are arranged on one side of the rack, a fixed end clamp and the limiting block are arranged on the other side of the rack, the lead screw supporting seat and the slide rail are arranged on a middle connecting arm of the rack, a power device is connected with the transmission case, the transmission case is connected with the transmission steering case through a transmission lead screw, the transmission steering case is connected with a synchronous push lead screw, the synchronous push lead screw is connected with a sliding seat, the sliding seat is connected with a sliding end clamp, the synchronous push lead screw pushes the sliding seat to move along the slide rail, the fixed end clamp corresponding to the sliding end. The invention extrudes or stretches the whole telescopic device, meets the requirements of testing the assembly tolerance and the waterproof performance state of the telescopic device, and has the characteristics of simple structure, convenient operation, convenient maintenance and the like.
Description
Technical Field
The invention relates to the technical field of test and detection of a highway bridge expansion device, in particular to a special test bed for a highway bridge expansion device and a using method.
Background
At present, in the process of constructing highway bridges, highway bridge expansion devices are indispensable. In order to meet the requirement of bridge deck deformation, a telescopic device is usually arranged between two beam ends, between the beam ends and a bridge abutment or at a bridge hinged position, and the telescopic device is required to be capable of freely stretching along a longitudinal bridge direction, and is firm and reliable. In order to ensure the product quality of the bridge expansion device for installation and use, the bridge expansion device with a certain length needs to be integrally stretched and compressed after being assembled in a laboratory according to requirements, so that the state requirements of the bridge expansion device during assembly tolerance and waterproof performance test detection are met. In the prior art, the inspection work of the telescopic device and the detection of other items are carried out simultaneously, and the content items are complicated, so that an inspection platform of the telescopic device for the highway bridge is lacked, the inspection operation is often inconvenient, and the inspection data is inaccurate.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the special test bed for the highway bridge expansion device and the using method thereof, the bridge expansion device is assembled and operated according to the corresponding standard in a laboratory, and the accuracy and the scientificity of the quality inspection result of the bridge expansion device are ensured.
In order to realize the purpose, the invention comprises a rack, a power device, a transmission case, a transmission steering case, a transmission screw rod, a synchronous pushing screw rod, a screw rod supporting seat, a sliding end clamp, a fixed end clamp, a limiting block and a sliding rail; the transmission case, the transmission steering case, the lead screw supporting seat, the limiting block and the sliding rail are respectively fixed on the rack, the transmission case and the transmission steering case are arranged on one side of the rack, the fixed end clamp and the limiting block are arranged on the other side of the rack, and the lead screw supporting seat and the sliding rail are arranged on a connecting arm in the middle of the rack; the power device is connected with a transmission case, the transmission case is connected with a transmission steering case through a transmission lead screw, the transmission steering case is connected with a synchronous pushing lead screw, the synchronous pushing lead screw is connected with a sliding seat, the sliding seat is connected with a sliding end clamp, the synchronous pushing lead screw pushes the sliding seat to move along a sliding rail, and a fixed end clamp corresponding to the sliding end clamp is connected with a limiting block; and a bridge expansion device is arranged between the sliding end clamp and the fixed end clamp.
Further, a first steel stop block and a second steel stop block are arranged on the sliding end clamp and the fixed end clamp respectively, the bridge expansion device comprises a first bridge expansion device, a second bridge expansion device and a third bridge expansion device, and the first steel stop block and the second steel stop block are connected with the first bridge expansion device and the second bridge expansion device respectively.
Furthermore, an ear ring is arranged on one side of the sliding seat, and the screw rod is synchronously pushed to penetrate through the ear ring to be connected with the sliding seat.
Furthermore, the synchronous pushing screw rod is further connected with a screw rod supporting seat, the screw rod supporting seat is located at two ends of a connecting arm in the middle of the rack, a rolling bearing is arranged in a hole of the screw rod supporting seat, and the synchronous pushing screw rod is connected with the screw rod supporting seat through the rolling bearing.
Furthermore, power device, transmission case are located the middle section of rack one side, and four group transmission turn to the case equipartition in transmission case both sides, slip end anchor clamps, stiff end anchor clamps are four groups.
A use method of a special test bed for a highway bridge expansion device comprises the following steps:
starting an equipment unit, starting a power device, and moving a sliding end clamp to a proper position;
secondly, integrally arranging the bridge expansion device on a test bed, respectively arranging two ends of the first bridge expansion device and the second bridge expansion device on a sliding end clamp and a fixed end clamp, adjusting the first bridge expansion device and the second bridge expansion device to be in a horizontal state, and fixing the first bridge expansion device and the second bridge expansion device in a vertical direction by bolts; when the bridge expansion device is stretched, a first steel stop block and a second steel stop block are respectively arranged on a sliding end clamp and a fixed end clamp and are fixed in the horizontal direction through bolts;
thirdly, when the bridge expansion device is compressed, the control switch is started to enable the bridge expansion device to move towards the two expansion devices and to be tightly attached; measuring the gap between the first bridge expansion device and the second bridge expansion device by using a measuring instrument;
starting a control switch when the bridge expansion device is stretched, and enabling the bridge expansion device to move in the opposite directions of the bridge expansion device, so that the distance between the first bridge expansion device and the second bridge expansion device meets the process requirement;
fifthly, calculating the assembly tolerance and the waterproof performance of the bridge expansion device according to the measured values in the third step and the fourth step.
Compared with the prior art, the highway bridge expansion device is fixed on the sliding end clamp and the fixed end clamp, power is provided by the power device, the transmission box drives the transmission screw rod to rotate, the screw rod is synchronously pushed to rotate under the driving of the transmission steering box, and the rotation of the screw rod is synchronously pushed to drive the sliding seat and the sliding end clamp to move in the horizontal direction, so that the highway bridge expansion device can be integrally extruded or stretched, and the state requirements of testing the assembly tolerance and the waterproof performance of the highway bridge expansion device can be met. Has the characteristics of simple structure, convenient operation, convenient maintenance and the like.
Drawings
FIG. 1 is a schematic illustration of the structure of the present invention.
Fig. 2 is a schematic structural view of the sliding seat of the present invention.
Figure 3 is a schematic diagram of the construction of the sliding end clamp of the present invention.
Fig. 4 is a schematic diagram of the structure of the fixed end clamp of the present invention.
FIG. 5 is a schematic diagram of the structure of the screw support base of the present invention.
Fig. 6 is a schematic diagram of the structure of the limiting block of the invention.
Fig. 7 is a schematic view of the state of use of the present invention.
In the figure, 1, a rack, 2, a power device, 3, a transmission box, 4, a transmission steering box, 5, a transmission screw rod, 6, a synchronous pushing screw rod, 7, a screw rod supporting seat, 8, a sliding seat, 9, a sliding end clamp, 10, a fixed end clamp, 11, a limiting block, 12, a sliding rail, 201, an ear ring, 301, a first steel stop block, 302, a first bridge expansion device, 401, a second steel stop block, 402, a second bridge expansion device, 701 and a third bridge expansion device.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, the present invention includes a rack 1, a power device 2, a transmission case 3, a transmission steering case 4, a transmission screw 5, a synchronous pushing screw 6, a screw support 7, a sliding seat 8, a sliding end clamp 9, a fixed end clamp 10, a limit block 11, and a slide rail 12; the transmission case 3, the transmission steering case 4, the lead screw supporting seat 7, the limiting block 11 and the sliding rail 12 are respectively fixed on the rack 1, the rack 1 is of a frame structure formed by welding square steel, the transmission case 3 and the transmission steering case 4 are arranged on one side of the rack 1, the fixed end clamp 10 and the limiting block 11 are arranged on the other side of the rack 1, and the lead screw supporting seat 7 and the sliding rail 12 are arranged on a connecting arm in the middle of the rack 1; the power device 2 is connected with the transmission case 3, the power device 2 is a servo motor and provides power by electric drive, the transmission case 3 is connected with the transmission steering case 4 through the transmission lead screw 5, the transmission steering case 4 is connected with the synchronous pushing lead screw 6, the synchronous pushing lead screw 6 is connected with the sliding seat 8, the sliding seat 8 is connected with the sliding end clamp 9, the synchronous pushing lead screw 6 pushes the sliding seat 8 to move along the sliding rail 12, the sliding seat 8 surrounds the sliding rail 12, and the fixed end clamp 10 corresponding to the sliding end clamp 9 is connected with the limiting block 11; and a bridge expansion device is arranged between the sliding end clamp 9 and the fixed end clamp 10.
Further, a first steel stop block 301 and a second steel stop block 401 are arranged on the sliding end clamp 9 and the fixed end clamp 10 respectively, and the first steel stop block 301 and the second steel stop block 401 are fixed with the sliding end clamp 9 and the fixed end clamp 10 through bolts respectively. The bridge expansion device comprises a first bridge expansion device 302, a second bridge expansion device 402 and a third bridge expansion device 701, the first bridge expansion device 302 and the second bridge expansion device 402 are respectively connected with two beam ends, the third bridge expansion device 701 is a middle connecting rubber strip, and the first steel stop block 301 and the second steel stop block 401 are respectively connected with the first bridge expansion device 302 and the second bridge expansion device 402.
Furthermore, an ear ring 201 and a mounting hole are arranged on one side of the sliding seat 8, the screw rod 6 is synchronously pushed to penetrate through the ear ring 201 to be connected with the sliding seat 8, and the sliding end clamp 9 is fixedly connected with the sliding seat 8 through the mounting hole of the sliding seat 8.
Further, the synchronous pushing screw 6 is further connected with a screw supporting seat 7, the screw supporting seat 7 is located at two ends of a connecting arm in the middle of the rack 1, a rolling bearing is arranged in a hole of the screw supporting seat 7, and the synchronous pushing screw 6 is connected with the screw supporting seat 7 through the rolling bearing.
Furthermore, the power device 2 and the transmission case 3 are located in the middle section of one side of the rack 1, four groups of transmission steering cases 4 are uniformly distributed on two sides of the transmission case 3, and the sliding end clamp 9 and the fixed end clamp 10 are four groups.
A use method of a special test bed for a highway bridge expansion device comprises the following steps:
firstly, starting an equipment unit, starting a power device 2, and moving a sliding end clamp 9 to a proper position;
secondly, the bridge expansion device is integrally arranged on a test bed, two ends of the first bridge expansion device 302 and the second bridge expansion device 402 are respectively arranged on the sliding end clamp 9 and the fixed end clamp 10, the first bridge expansion device 302 and the second bridge expansion device 402 are adjusted to be in a horizontal state, and the first bridge expansion device 302 and the second bridge expansion device 402 are fixed in the vertical direction through bolts; when the bridge expansion device is stretched, a first steel stop block 301 and a second steel stop block 401 are respectively arranged on the sliding end clamp 9 and the fixed end clamp 10 and are fixed in the horizontal direction through bolts;
thirdly, when the bridge expansion device is compressed, the control switch is started, so that the first bridge expansion device 302 moves towards the second bridge expansion device 402 and is tightly attached to the second bridge expansion device; measuring the gap between the first bridge expansion device 302 and the second bridge expansion device 402 by using a measuring instrument;
fourthly, when the bridge expansion device is stretched, starting the control switch to enable the first bridge expansion device 302 to move to the opposite direction of the second bridge expansion device 402, so that the distance between the first bridge expansion device 302 and the second bridge expansion device 402 meets the process requirement;
fifthly, calculating the assembly tolerance and the waterproof performance of the bridge expansion device according to the measured values in the third step and the fourth step.
When the device is installed, two ends of a first bridge expansion device 302 and a second bridge expansion device 402 of a highway bridge expansion device are respectively arranged on a sliding end clamp 9 and a fixed end clamp 10, and are fixed in the horizontal direction through a first steel stop block 301 and a second steel stop block 401 and are fixed in the vertical direction through bolts.
When the device is used, the power device 2 is started, the transmission case 3 drives the transmission screw rod 5 to rotate, the synchronous pushing screw rod 6 is driven by the transmission steering case 4 to synchronously rotate, the synchronous pushing screw rod 6 rotates to drive the sliding seat 8 and the sliding end clamp 9 to horizontally move, and therefore the highway bridge expansion device is integrally extruded or stretched, and the requirements of the states of the assembly tolerance and the waterproof performance of the highway bridge expansion device are met.
Claims (6)
1. A test bed special for a highway bridge expansion device is characterized by comprising a rack (1), a power device (2), a transmission box (3), a transmission steering box (4), a transmission screw rod (5), a synchronous pushing screw rod (6), a screw rod supporting seat (7), a sliding seat (8), a sliding end clamp (9), a fixed end clamp (10), a limiting block (11) and a slide rail (12); the transmission case (3), the transmission steering case (4), the lead screw supporting seat (7), the limiting block (11) and the sliding rail (12) are respectively fixed on the rack (1), the transmission case (3) and the transmission steering case (4) are arranged on one side of the rack (1), the fixed end clamp (10) and the limiting block (11) are arranged on the other side of the rack (1), and the lead screw supporting seat (7) and the sliding rail (12) are arranged on a connecting arm in the middle of the rack (1); the power device (2) is connected with the transmission case (3), the transmission case (3) is connected with the transmission steering case (4) through the transmission lead screw (5), the transmission steering case (4) is connected with the synchronous pushing lead screw (6), the synchronous pushing lead screw (6) is connected with the sliding seat (8), the sliding seat (8) is connected with the sliding end clamp (9), the synchronous pushing lead screw (6) pushes the sliding seat (8) to move along the sliding rail (12), and the fixed end clamp (10) corresponding to the sliding end clamp (9) is connected with the limiting block (11); and a bridge expansion device is arranged between the sliding end clamp (9) and the fixed end clamp (10).
2. The special test bed for the road bridge expansion device according to claim 1, wherein a first steel stop block (301) and a second steel stop block (401) are respectively arranged on the sliding end clamp (9) and the fixed end clamp (10), the bridge expansion device comprises a first bridge expansion device (302), a second bridge expansion device (402) and a third bridge expansion device (701), and the first steel stop block (301) and the second steel stop block (401) are respectively connected with the first bridge expansion device (302) and the second bridge expansion device (402).
3. The test bed special for the road bridge expansion device of claim 1, wherein an ear ring (201) is arranged on one side of the sliding seat (8), and the screw rod (6) is synchronously pushed to pass through the ear ring (201) to be connected with the sliding seat (8).
4. The test bed special for the road bridge expansion device according to claim 1, wherein the synchronous pushing screw rod (6) is further connected with a screw rod support seat (7), the screw rod support seat (7) is positioned at two ends of a connecting arm in the middle of the rack (1), a rolling bearing is arranged in a hole of the screw rod support seat (7), and the synchronous pushing screw rod (6) is connected with the screw rod support seat (7) through the rolling bearing.
5. The test bed special for the road bridge expansion device, according to claim 1, is characterized in that the power device (2) and the transmission box (3) are located in the middle section of one side of the rack (1), four groups of transmission steering boxes (4) are uniformly distributed on two sides of the transmission box (3), and the sliding end clamps (9) and the fixed end clamps (10) are four groups.
6. A use method of a special test bed for a highway bridge expansion device comprises the following steps:
starting an equipment unit, starting a power device (2), and moving a sliding end clamp (9) to a proper position;
secondly, the bridge expansion device is integrally arranged on a test bed, two ends of the first bridge expansion device (302) and the second bridge expansion device (402) are respectively arranged on a sliding end clamp (9) and a fixed end clamp (10), the first bridge expansion device (302) and the second bridge expansion device (402) are adjusted to be in a horizontal state, and the first bridge expansion device and the second bridge expansion device are fixed in the vertical direction through bolts; when the bridge expansion device is stretched, a first steel stop block (301) and a second steel stop block (401) are respectively arranged on a sliding end clamp (9) and a fixed end clamp (10) and are fixed in the horizontal direction through bolts;
thirdly, when the bridge expansion device is compressed, the control switch is started, so that the first bridge expansion device (302) moves towards the second bridge expansion device (402) and is tightly attached to the second bridge expansion device; measuring the gap between the first bridge expansion device (302) and the second bridge expansion device (402) by using a measuring instrument;
starting a control switch when the bridge expansion device is stretched, and enabling the first bridge expansion device (302) to move to the opposite direction of the second bridge expansion device (402), so that the distance between the first bridge expansion device (302) and the second bridge expansion device (402) meets the process requirement;
fifthly, calculating the assembly tolerance and the waterproof performance of the telescopic device according to the measured values in the third step and the fourth step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911255028.9A CN111693259A (en) | 2019-12-10 | 2019-12-10 | Special test bed for highway bridge expansion device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911255028.9A CN111693259A (en) | 2019-12-10 | 2019-12-10 | Special test bed for highway bridge expansion device and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111693259A true CN111693259A (en) | 2020-09-22 |
Family
ID=72476209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911255028.9A Pending CN111693259A (en) | 2019-12-10 | 2019-12-10 | Special test bed for highway bridge expansion device and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111693259A (en) |
-
2019
- 2019-12-10 CN CN201911255028.9A patent/CN111693259A/en active Pending
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