CN210441772U - Equipment for measuring assembly tolerance of bridge expansion device - Google Patents
Equipment for measuring assembly tolerance of bridge expansion device Download PDFInfo
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- CN210441772U CN210441772U CN201921583003.7U CN201921583003U CN210441772U CN 210441772 U CN210441772 U CN 210441772U CN 201921583003 U CN201921583003 U CN 201921583003U CN 210441772 U CN210441772 U CN 210441772U
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Abstract
The utility model relates to a device for measuring the assembly tolerance of a bridge expansion device, which does not comprise a bridge expansion device (13); the device comprises a central control module (1), a power module (2), a step motor (3), a lead screw (4), a step sliding block (5), a step guide rail (6), a support module (7), a movable clamp (8), a support guide rail (9), a graduated scale (10), a sliding block (11), a sliding block clamp (12), a measuring table (14) and a fixed clamp (15). The utility model discloses the advantage and the effect that possess: the utility model discloses under the prerequisite of not having ripe product in the market, combine actual work's requirement to satisfy among the general technical condition of highway bridge telescoping device (JT/T327) 2016) the requirement design to the relevant parameter of bridge expansion joint device assembly tolerance, satisfied the demand that actual detection work was carried out on the one hand, on the other hand uses the newest standard to be the foundation, has the meaning of reality and innovation.
Description
Technical Field
The utility model relates to a measure bridge telescoping device assembly tolerance's equipment structure technical field, still related to the measuring method who uses this equipment.
Background
According to the general technical condition (JT/T327 & 2016) standard requirement of the expansion device for the highway bridge, when the expansion device for the highway bridge leaves factory and is subjected to type inspection, the assembly tolerance of the expansion device for the highway bridge needs to be detected, meanwhile, in the level standard of a test detection mechanism for the water transportation engineering of the highway, which is printed by the transportation department, a test detection unit with the comprehensive grade A of the highway engineering and the special engineering qualification of the tunnel of the bridge of the highway engineering is also determined, and the test detection work can be carried out on the parameter. At present, no mature product can carry out the detection work of the assembly tolerance of the bridge expansion device on the highway in the market, so that a new device is needed to meet the detection requirement of the bridge expansion device.
Disclosure of Invention
In order to solve the problem, the utility model provides an utilize equipment and measuring method of measuring bridge expansion joint assembly tolerance.
The utility model discloses a following technical scheme realizes.
An apparatus for measuring assembly tolerances of a bridge expansion device, the apparatus not comprising a bridge expansion device; the device comprises a central control module, a power supply module, a step motor, a lead screw, a step sliding block, a step guide rail, a support module, a movable clamp, a support guide rail, a graduated scale, a sliding block clamp, a measuring table and a fixed clamp; the measuring table is arranged to be of a rectangular strip structure; the central control module is arranged on one side of the measuring table; a plurality of support guide rails are fixedly arranged on the upper surface of the measuring table at equal intervals, a graduated scale is arranged on each support guide rail, a sliding block is arranged on each support guide rail, and the sliding blocks are connected on the support guide rails in a sliding mode along the direction of the graduated scale; the sliding block clamp is arranged at the upper part of the sliding block, and one side of the bridge expansion device to be measured is clamped and fixed by the sliding block clamp; a fixed clamp is arranged on the other side of the bridge expansion device to be measured and is fixedly connected with the bridge expansion device to be measured, and the fixed clamp is fixedly connected with a movable clamp through a connecting rod; the movable clamp is fixedly connected with the step sliding block through a screw rod arranged in the middle, and nuts are arranged at two ends of the screw rod; the screw extends out of the measuring table and is connected with a supporting module arranged on one side of the measuring table; the support module comprises a support rod, a step sliding block arranged on the upper part of the support rod, a step motor, a lead screw arranged between the step sliding block and the step motor, and a power supply module connected with the step motor; the power module is connected with the central control module.
Further, be, set up the sliding block on the supporting rail, the sliding block specifically does along scale direction sliding connection on the supporting rail, is provided with abrupt rail on the supporting rail, is provided with the recess that the level runs through in the sliding block lower part, the cooperation is connected after mutual gomphosis between abrupt rail and the recess.
Further, the utility model discloses be provided with at measuring station bottom side and even as an organic whole extension surrounding edge with the measuring station, support the fixed setting of module on the extension surrounding edge. The design can make the measurement accuracy higher.
Further, power module include power and rectifier, the power pass through the rectifier and be connected with the step motor. The power supply module converts alternating current into direct current.
Furthermore, the number of the supporting guide rails is 4, and three sections of gaps are formed between every two supporting guide rails; the number of the fixing clamps and the number of the supporting modules are respectively 3; the fixing clamps at the two ends are arranged at the positions close to the supporting guide rails at the outermost sides, and the fixing clamp in the middle is arranged at the middle position of the two supporting guide rails in the middle.
Further, the sliding block clamp of the utility model is provided with a nut A; and nuts B are arranged on two sides of the screw rod.
This device can measure the assembly tolerance of modulus formula, broach plate formula bridge telescoping device, specifically as follows:
the use method of the equipment for measuring the assembly tolerance of the bridge expansion device comprises the following steps: (1) before measurement, the bridge expansion device is connected with the sliding block and is arranged on a support guide rail of the workbench, and when the bridge expansion device is arranged, the inner side of the sliding block is ensured to be flush with the inner side of the expansion joint; after the bridge expansion device is installed, one side is fixed through the sliding block clamp, when the bridge expansion device is fixed, the nut A on the sliding block clamp is adjusted to ensure that the bridge expansion device is perpendicular to the supporting guide rail in the horizontal direction, the bridge expansion device is ensured to be horizontal through adjusting the nut A on the sliding block clamp and using a horizontal ruler in an auxiliary mode, after the bridge expansion device is fixed, the reading A1, A2, A3 and A4 on the four graduated scales corresponding to the positions of the fixed end sliding blocks are read, the other end of the bridge expansion device is connected with the step motor through a movable clamp, the step motor is started to stretch the bridge expansion device to the maximum opening state, the side is ensured to be perpendicular to the supporting guide rail in the horizontal direction through adjusting the nuts B on the two sides of the connecting screw rod between the movable clamp and the step.
(2) Opening the central control module, setting the rotating speed of the step motor, setting the moving direction to be plus, starting the step motor, compressing the bridge expansion device at the moment, stopping the compression when the bridge expansion device reaches the maximum compression state, recording the readings B1, B2, B3 and B4 on the four support guide rail scales, and calculating the value S1 of (B1+ B2+ B3+ B4-A1-A2-A3-A4)/4, wherein S1 is the total plane width of the bridge expansion joint device in the maximum compression state.
For the modular expansion joint, four position marks are equidistantly selected for each unit, opening distances Y1i, Y2i, Y3i and Y4i of the marked positions are measured by vernier calipers, an average value Yi (i is 1, 2 and 3 …) of Y1i + Y2i + Y3i + Y4i is calculated, deviation values between Yi are compared, whether the average value is in a range specified by a specification is judged, height differences △ H1i, △ H2i, △ H3i and △ H4i between the marked positions of each unit and a fixed end of a moving end are measured by a precision level, an average value △ Hi (i is 1, 2 and 3 …) of △ H1i, △ H2i, △ H3i and △ H4i is calculated, and whether △ Hi is in a range allowed by the specification is judged.
(3) The moving direction of the step motor is controlled through the central control module to be-the step motor is started, the bridge expansion and contraction device is stretched at the moment, when the bridge expansion and contraction device reaches the maximum stretching state, stretching is stopped, readings C1, C2, C3 and C4 on the four support guide rail scales are recorded, a value S2 of (C1+ C2+ C3+ C4-A1-A2-A3-A4)/4 is calculated, and S2 is the total plane width of the bridge expansion and contraction joint device in the maximum stretching state.
For the modular expansion joint, values of S1-T1 and S2-T2 are respectively calculated (T1 and T2 are total width values of a factory-specification model plane), the calculation result is compared with a deviation value specified by a specification, and whether the calculation result is within a range specified by the specification is judged.
The moving direction of the step motor is controlled to be plus through the central control module, the step motor is started, the bridge expansion device is compressed at the moment, when the amount to be compressed is (S2-S1)/2, the compression is stopped, the height differences △ H31, △ H32, △ H33 and △ H34 on two sides of the cross section of the marked position are measured by using a precision level gauge, the average △ H3 of △ H31, △ H32, △ H33 and △ H34 is calculated, and the calculation result is compared with the value specified by the specification to judge whether the calculation result is in the range specified by the specification.
Secondly, the use method of the equipment for measuring the assembly tolerance of the bridge expansion device comprises the following steps: (1) before measurement, the bridge expansion device is connected with the sliding block and is arranged on a support guide rail of the workbench, and when the bridge expansion device is arranged, the inner side of the sliding block is ensured to be flush with the inner side of the expansion joint; after the bridge expansion device is installed, one side is fixed through the sliding block clamp, when the bridge expansion device is fixed, the nut A on the sliding block clamp is adjusted to ensure that the bridge expansion device is perpendicular to the supporting guide rail in the horizontal direction, the bridge expansion device is ensured to be horizontal through adjusting the nut A on the sliding block clamp and using a horizontal ruler in an auxiliary mode, after the bridge expansion device is fixed, the reading A1, A2, A3 and A4 on the four graduated scales corresponding to the positions of the fixed end sliding blocks are read, the other end of the bridge expansion device is connected with the step motor through a movable clamp, the step motor is started to stretch the bridge expansion device to the maximum opening state, the side is ensured to be perpendicular to the supporting guide rail in the horizontal direction through adjusting the nuts B on the two sides of the connecting screw rod between the movable clamp and the step.
(2) Opening the central control module, setting the rotating speed of the step motor, setting the moving direction to be plus, starting the step motor, compressing the bridge expansion device at the moment, stopping the compression when the bridge expansion device reaches the maximum compression state, recording the readings B1, B2, B3 and B4 on the four support guide rail scales, and calculating the value S1 of (B1+ B2+ B3+ B4-A1-A2-A3-A4)/4, wherein S1 is the total plane width of the bridge expansion joint device in the maximum compression state.
For the comb plate type expansion joint, four position marks are selected at equal intervals, a vernier caliper is used for measuring longitudinal gaps Y1, Y2, Y3 and Y4 of the marked positions, transverse gaps X1, X2, X3 and X4, a precision level is used for measuring height differences △ H11, △ H12, △ H13 and H △ H14 of the marked positions, average values Y, X and △ H1 of Y1, Y2, Y3 and Y4, X1, X2, X3 and X4, △ H11, △ H12, △ H13 and △ H14 are respectively calculated, and the calculation result is compared with a standard requirement value to judge whether the calculation result is in a range specified by the standard.
(3) The moving direction of the step motor is controlled through the central control module to be-the step motor is started, the bridge expansion and contraction device is stretched at the moment, when the bridge expansion and contraction device reaches the maximum stretching state, stretching is stopped, readings C1, C2, C3 and C4 on the four support guide rail scales are recorded, a value S2 of (C1+ C2+ C3+ C4-A1-A2-A3-A4)/4 is calculated, and S2 is the total plane width of the bridge expansion and contraction joint device in the maximum stretching state.
For the comb plate type expansion joint, vernier calipers are used for measuring the lapping lengths D1, D2, D3 and D4 of the toothed plates at the marked positions, a precision level gauge is used for measuring the height differences △ H21, △ H22, △ H23 and △ H24 of the toothed plates at two sides of the cross section of the marked positions, the average values X', △ H2 of the height differences D1, D2, D3, D4 and △ H21, △ H22, △ H23 and △ H24 are calculated, and the calculation results are compared with the values required by specifications to judge whether the expansion joint is in the range specified by the specifications or not;
the moving direction of the step motor is controlled to be plus through the central control module, the step motor is started, the bridge expansion device is compressed at the moment, when the amount to be compressed is (S2-S1)/2, the compression is stopped, the height differences △ H31, △ H32, △ H33 and △ H34 of the toothed plates on two sides of the marked position section are measured by using a precision level gauge, the average △ H3 of △ H31, △ H32, △ H33 and △ H34 is calculated, and the calculation result is compared with the value specified by the specification to judge whether the calculation result is in the range specified by the specification.
The utility model discloses the advantage and the effect that possess: the utility model discloses under the prerequisite of not having ripe product in the market, combine actual work's requirement to satisfy among the general technical condition of highway bridge telescoping device (JT/T327) 2016) the requirement design to the relevant parameter of bridge expansion joint device assembly tolerance, satisfied the demand that actual detection work was carried out on the one hand, on the other hand uses the newest standard to be the foundation, has the meaning of reality and innovation.
The invention is further explained below with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference signs are: the equipment comprises a central control module (1), a power module (2), a step motor (3), a lead screw (4), a step sliding block (5), a step guide rail (6), a support module (7), a movable clamp (8), a support guide rail (9), a graduated scale (10), a sliding block (11), a sliding block clamp (12), a bridge expansion device (13), a measuring table (14), a fixed clamp (15), a connecting rod (16), a screw rod (17), a support rod (18), a protruding rail (19), a groove (20), an extension surrounding edge (21), a nut B (22) and a nut A (23).
Detailed Description
An apparatus for measuring assembly tolerances of a bridge expansion device, the apparatus not comprising a bridge expansion device 13; the device comprises a central control module 1, a power module 2, a step motor 3, a lead screw 4, a step sliding block 5, a step guide rail 6, a support module 7, a movable clamp 8, a support guide rail 9, a graduated scale 10, a sliding block 11, a sliding block clamp 12, a measuring table 14 and a fixed clamp 15. The measuring table 14 is arranged in a rectangular strip structure; the central control module 1 is arranged on one side of the measuring table 14; a plurality of support guide rails 9 are fixedly arranged on the upper surface of the measuring table 14 at equal intervals, a graduated scale 10 is arranged on each support guide rail 9, a sliding block 11 is arranged on each support guide rail 9, and the sliding blocks 11 are connected on the support guide rails 9 in a sliding mode along the direction of the graduated scale 10; sliding block clamp 12 is arranged on the upper part of sliding block 11, and one side of bridge expansion device 13 to be measured is clamped and fixed by sliding block clamp 12; a fixed clamp 15 is arranged on the other side of the bridge expansion device 13 to be measured and fixedly connected with the bridge expansion device, and the fixed clamp 15 is fixedly connected with the movable clamp 8 through a connecting rod 16; the movable clamp 8 is fixedly connected with the step sliding block 5 through a screw rod 17 arranged in the middle, and nuts are arranged at two ends of the screw rod 17; the screw 17 extends out of the measuring table 14 and is connected with the supporting module 7 arranged on one side of the measuring table 14; the support module 7 comprises a support rod 18, a step sliding block 5 arranged on the upper part of the support rod 18, a step motor 3, a lead screw 4 arranged between the step sliding block 5 and the step motor 3, and a power supply module 2 connected with the step motor 3; the power module 2 is connected with the central control module 1.
Further, set up sliding block 11 on supporting rail 9, sliding block 11 is provided with abrupt rail 19 along scale 10 direction sliding connection on supporting rail 9 specifically, be provided with the recess 20 that the level runs through in the sliding block 11 lower part, cooperate after mutual gomphosis between abrupt rail 19 and the recess 20 to be connected.
Further, the utility model discloses 14 bottom sides at the measuring station are provided with the extension surrounding edge 21 even as an organic whole with the measuring station 14, and support module 7 is fixed to be set up on extension surrounding edge 21. The design can make the measurement accuracy higher.
Further, power module 2 include power and rectifier, the power pass through the rectifier and be connected with step motor 3. The power module 2 converts alternating current to direct current.
Furthermore, the number of the supporting guide rails 9 is 4, and three sections of gaps are formed between every two supporting guide rails; the number of the fixing clamps 15 and the number of the supporting modules 7 are respectively 3; the fixing clamps 15 at both ends are arranged at positions close to the outermost support rails 9, and the fixing clamp 15 in the middle is arranged at the middle position between the two middle support rails 9.
Further, the sliding block clamp of the utility model is provided with a nut A23; nuts B22 are arranged on two sides of the screw 17.
This device can measure the assembly tolerance of modulus formula, broach plate formula bridge telescoping device, specifically as follows:
the use method of the equipment for measuring the assembly tolerance of the bridge expansion device comprises the following steps: (1) before measurement, the bridge expansion device is connected with the sliding block and is arranged on a support guide rail of the workbench, and when the bridge expansion device is arranged, the inner side of the sliding block is ensured to be flush with the inner side of the expansion joint; after the bridge expansion device is installed, one side is fixed through the sliding block clamp, when the bridge expansion device is fixed, the nut A23 on the sliding block clamp is adjusted to ensure that the bridge expansion device is perpendicular to the supporting guide rail in the horizontal direction, the bridge expansion device is ensured to be horizontal through adjusting the nut A23 on the sliding block clamp and using a horizontal ruler in an auxiliary mode, after the bridge expansion device is fixed, the position of the fixed end sliding block is read to correspond to the reading A1 on four graduated scales, A2, A3 and A4, the other end of the fixed end sliding block is connected with the step motor through a movable clamp, the step motor is started to stretch the bridge expansion device to the maximum opening state, the side is ensured to be perpendicular to the supporting guide rail in the horizontal direction through adjusting the nuts B22 on the two sides of a connecting screw rod between the movable clamp and the.
(2) Opening the central control module, setting the rotating speed of the step motor to be 10r/S, setting the moving direction to be +/-, starting the step motor, compressing the bridge expansion and contraction device at the moment, stopping compression when the bridge expansion and contraction device reaches the maximum compression state, recording readings B1, B2, B3 and B4 on the four support guide rail scales, and calculating the value S1 of (B1+ B2+ B3+ B4-A1-A2-A3-A4)/4, wherein S1 is the total width of the plane of the bridge expansion joint device in the maximum compression state.
For the modular expansion joint, four position marks are equidistantly selected for each unit, opening distances Y1i, Y2i, Y3i and Y4i of the marked positions are measured by vernier calipers, an average value Yi (i is 1, 2 and 3 …) of Y1i + Y2i + Y3i + Y4i is calculated, deviation values between Yi are compared, whether the average value is in a range specified by a specification is judged, height differences △ H1i, △ H2i, △ H3i and △ H4i between the marked positions of each unit and a fixed end of a moving end are measured by a precision level, an average value △ Hi (i is 1, 2 and 3 …) of △ H1i, △ H2i, △ H3i and △ H4i is calculated, and whether △ Hi is in a range allowed by the specification is judged.
(3) The moving direction of the step motor is controlled through the central control module to be-the step motor is started, the bridge expansion and contraction device is stretched at the moment, when the bridge expansion and contraction device reaches the maximum stretching state, stretching is stopped, readings C1, C2, C3 and C4 on the four support guide rail scales are recorded, a value S2 of (C1+ C2+ C3+ C4-A1-A2-A3-A4)/4 is calculated, and S2 is the total plane width of the bridge expansion and contraction joint device in the maximum stretching state.
For the modular expansion joint, values of S1-T1 and S2-T2 are respectively calculated (T1 and T2 are total width values of a factory-specification model plane), the calculation result is compared with a deviation value specified by a specification, and whether the calculation result is within a range specified by the specification is judged.
The moving direction of the step motor is controlled to be plus through the central control module, the step motor is started, the bridge expansion device is compressed at the moment, when the amount to be compressed is (S2-S1)/2, the compression is stopped, the height differences △ H31, △ H32, △ H33 and △ H34 of the toothed plates on two sides of the marked position section are measured by using a precision level gauge, the average △ H3 of △ H31, △ H32, △ H33 and △ H34 is calculated, and the calculation result is compared with the value specified by the specification to judge whether the calculation result is in the range specified by the specification.
Secondly, the use method of the equipment for measuring the assembly tolerance of the bridge expansion device comprises the following steps: (1) before measurement, the bridge expansion device is connected with the sliding block and is arranged on a support guide rail of the workbench, and when the bridge expansion device is arranged, the inner side of the sliding block is ensured to be flush with the inner side of the expansion joint; after the bridge expansion device is installed, one side is fixed through the sliding block clamp, when the bridge expansion device is fixed, the nut A23 on the sliding block clamp is adjusted to ensure that the bridge expansion device is perpendicular to the supporting guide rail in the horizontal direction, the bridge expansion device is ensured to be horizontal through adjusting the nut A23 on the sliding block clamp and using a horizontal ruler in an auxiliary mode, after the bridge expansion device is fixed, the reading A1, A2, A3 and A4 on four scales corresponding to the position of the fixed end sliding block are read, the other end of the bridge expansion device is connected with the step motor through a movable clamp, the step motor is started to stretch the bridge expansion device to the maximum opening state, the side is ensured to be perpendicular to the supporting guide rail in the horizontal direction through adjusting the nuts B22 on the two sides of the connecting screw rod between the movable clamp and the step sliding block.
(2) Opening the central control module, setting the rotating speed of the step motor to be 10r/S, setting the moving direction to be +/-, starting the step motor, compressing the bridge expansion and contraction device at the moment, stopping compression when the bridge expansion and contraction device reaches the maximum compression state, recording readings B1, B2, B3 and B4 on the four support guide rail scales, and calculating the value S1 of (B1+ B2+ B3+ B4-A1-A2-A3-A4)/4, wherein S1 is the total width of the plane of the bridge expansion joint device in the maximum compression state.
For the comb plate type expansion joint, four position marks are selected at equal intervals, a vernier caliper is used for measuring longitudinal gaps Y1, Y2, Y3 and Y4 of the marked positions, transverse gaps X1, X2, X3 and X4, a precision level is used for measuring height differences △ H11, △ H12, △ H13 and H △ H14 of the marked positions, average values Y, X and △ H1 of Y1, Y2, Y3 and Y4, X1, X2, X3 and X4, △ H11, △ H12, △ H13 and △ H14 are respectively calculated, and the calculation result is compared with a standard requirement value to judge whether the calculation result is in a range specified by the standard.
(3) The moving direction of the step motor is controlled through the central control module to be-the step motor is started, the bridge expansion and contraction device is stretched at the moment, when the bridge expansion and contraction device reaches the maximum stretching state, stretching is stopped, readings C1, C2, C3 and C4 on the four support guide rail scales are recorded, a value S2 of (C1+ C2+ C3+ C4-A1-A2-A3-A4)/4 is calculated, and S2 is the total plane width of the bridge expansion and contraction joint device in the maximum stretching state.
For the comb plate type expansion joint, vernier calipers are used for measuring the lapping lengths D1, D2, D3 and D4 of the toothed plates at the marked positions, a precision level gauge is used for measuring the height differences △ H21, △ H22, △ H23 and △ H24 of the toothed plates at two sides of the cross section of the marked positions, the average values X', △ H2 of the height differences D1, D2, D3, D4 and △ H21, △ H22, △ H23 and △ H24 are calculated, and the calculation results are compared with the values required by specifications to judge whether the expansion joint is in the range specified by the specifications or not;
the moving direction of the step motor is controlled to be plus through the central control module, the step motor is started, the bridge expansion device is compressed at the moment, when the amount to be compressed is (S2-S1)/2, the compression is stopped, the height differences △ H31, △ H32, △ H33 and △ H34 of the toothed plates on two sides of the marked position section are measured by using a precision level gauge, the average △ H3 of △ H31, △ H32, △ H33 and △ H34 is calculated, and the calculation result is compared with the value specified by the specification to judge whether the calculation result is in the range specified by the specification.
Installation instructions (part): fixedly mounting four support guide rails 9 on a measuring table 14 at equal intervals, mounting a graduated scale 10 on each support guide rail 9, and judging the moving distance of a sliding block 11 by using the graduated scales; installing a sliding block 11 on a supporting guide rail 9, fixing a bridge expansion device 13 and the sliding block 11 by using a sliding block clamp 12, so that the bridge expansion device 13 moves on the supporting guide rail 9, fixing one side of the bridge expansion device 13 with a measuring platform 14 by using a fixing clamp 15, connecting the other side of the bridge expansion device with a step sliding block 5 through a moving clamp 8, so that one side of the bridge expansion device 13 is fixed, the fixed end simulates the position of the bridge platform, and the other side drives the side to move on the supporting guide rail 9 through the movement of the step sliding block 5, so that the side simulates the position of a bridge end; the step motor 3 is used for controlling the rotation of the lead screw 4 to enable the step sliding block 5 to move on the step guide rail 6, the step motor 3 is connected with the power module 2 and the central control module 1, the power module 2 converts alternating current into direct current to supply power to the step motor 3, the central control module 1 is a control end, and the rotating speed and the rotating direction of the step motor 3 are controlled through parameter setting, so that the moving speed and the moving direction of the step sliding block 5 connected with the lead screw 4 are controlled; the power module 2, the step motor 3, the lead screw 4, the step sliding block 5 and the step guide rail 6 are all arranged on the support module 7, and the support module 7 is fixedly arranged on the ground in front of the measuring table 13.
The first embodiment is as follows: measurement of modulus expansion joints
The device is used for measuring the assembly tolerance of the expansion joint in the model F80, and the measurement result is as follows
Modular expansion joint assembly tolerance inspection and detection recording meter QJ0707
Record number: PSJL-2019-SSF-002
Example two: measurement of comb plate type expansion joint
The device is utilized to measure the assembly tolerance of the RBKF 480/+/-0.02/+/-0.03 type comb plate type expansion joint, and the measurement result is as follows:
comb plate type expansion joint assembly tolerance inspection and detection recording meter QJ0708
Record number: PSJL-2019-SSF-019
The above description is only a part of the specific embodiments of the present invention (the protection scope of the present invention is based on the technical points of the structure and scope of the present invention and other steps), and the known specific contents or common knowledge in the solution are not described herein (such as precision level, vernier caliper). It should be noted that the above-mentioned embodiments do not limit the present invention in any way, and for those skilled in the art, all the technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The equipment for measuring the assembly tolerance of the bridge expansion device is characterized by comprising a central control module (1), a power supply module (2), a step motor (3), a lead screw (4), a step sliding block (5), a step guide rail (6), a support module (7), a movable clamp (8), a support guide rail (9), a graduated scale (10), a sliding block (11), a sliding block clamp (12), a measuring table (14) and a fixed clamp (15); the measuring table (14) is arranged to be of a rectangular strip structure; the central control module (1) is arranged on one side of the measuring table (14); a plurality of supporting guide rails (9) are fixedly arranged on the upper surface of the measuring table (14) at equal intervals, graduated scales (10) are arranged on the supporting guide rails (9), sliding blocks (11) are arranged on the supporting guide rails (9), and the sliding blocks (11) are connected on the supporting guide rails (9) in a sliding mode along the direction of the graduated scales (10); the sliding block clamp (12) is arranged on the upper part of the sliding block (11), and one side of the bridge expansion device (13) to be measured is clamped and fixed by the sliding block clamp (12); a fixed clamp (15) is arranged on the other side of the bridge expansion device (13) to be measured and fixedly connected with the bridge expansion device, and the fixed clamp (15) is fixedly connected with the movable clamp (8) through a connecting rod (16); the movable clamp (8) is fixedly connected with the step sliding block (5) through a screw rod (17) arranged in the middle, and nuts are arranged at two ends of the screw rod (17); the screw (17) extends out of the measuring table (14) and is connected with a supporting module (7) arranged on one side of the measuring table (14); the support module (7) comprises a support rod (18), a step sliding block (5) arranged on the upper part of the support rod (18), a step motor (3), a lead screw (4) arranged between the step sliding block (5) and the step motor (3), and a power module (2) connected with the step motor (3); the power module (2) is connected with the central control module (1).
2. The equipment for measuring the assembly tolerance of the bridge expansion and contraction device according to claim 1, wherein a sliding block (11) is arranged on the support guide rail (9), the sliding block (11) is connected on the support guide rail (9) in a sliding manner along the direction of the graduated scale (10), specifically, a protruding rail (19) is arranged on the support guide rail (9), a groove (20) which horizontally penetrates through is arranged at the lower part of the sliding block (11), and the protruding rail (19) and the groove (20) are mutually embedded and then are connected in a matching manner.
3. The apparatus for measuring the assembly tolerance of a bridge expansion device according to claim 1, wherein an extension surrounding edge (21) integrated with the measuring table (14) is arranged on the side surface of the bottom of the measuring table (14), and the support module (7) is fixedly arranged on the extension surrounding edge (21).
4. The apparatus for measuring assembly tolerances of bridge expansion devices according to claim 1, wherein the power module (2) comprises a power source and a rectifier, and the power source is connected with the step motor (3) through the rectifier.
5. The apparatus for measuring the assembly tolerance of a bridge expansion device according to claim 1, wherein the number of the support guide rails (9) is 4, and three gaps are formed between every two support guide rails; the number of the fixing clamps (15) and the number of the supporting modules (7) are respectively 3; the fixing clamps (15) at the two ends are arranged at the positions close to the supporting guide rails (9) at the outermost sides, and the fixing clamp (15) in the middle is arranged at the middle position of the two supporting guide rails (9) in the middle.
6. The apparatus for measuring assembly tolerance of bridge expansion device according to claim 1, wherein the sliding block clamp is provided with a nut A (23); and nuts B (22) are arranged on two sides of the screw rod (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921583003.7U CN210441772U (en) | 2019-09-20 | 2019-09-20 | Equipment for measuring assembly tolerance of bridge expansion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583003.7U CN210441772U (en) | 2019-09-20 | 2019-09-20 | Equipment for measuring assembly tolerance of bridge expansion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211093A (en) * | 2020-09-18 | 2021-01-12 | 中盛路桥科技有限公司 | Bridge telescoping device with regulatory function |
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2019
- 2019-09-20 CN CN201921583003.7U patent/CN210441772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211093A (en) * | 2020-09-18 | 2021-01-12 | 中盛路桥科技有限公司 | Bridge telescoping device with regulatory function |
| CN112211093B (en) * | 2020-09-18 | 2022-03-22 | 中盛路桥科技集团有限公司 | Bridge telescoping device with regulatory function |
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