CN214301156U

CN214301156U - Pavement deflection appearance

Info

Publication number: CN214301156U
Application number: CN202120107698.2U
Authority: CN
Inventors: 廖志炯; 姚波; 杜亮
Original assignee: Nanchong Jiaheng Construction Engineering Quality Inspection Co ltd
Current assignee: Nanchong Jiaheng Construction Engineering Quality Inspection Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-09-28
Anticipated expiration: 2031-01-15

Abstract

The utility model relates to a road surface deflectometer belongs to the monitoring facilities field, including the graceful roof beam of the becker, the fixed contact that is provided with of one end of the graceful roof beam of the becker, the contact is used for contradicting with ground, and the graceful roof beam of the becker keeps away from the one end activity of contact and is provided with the installation pole, is provided with the meter on the installation pole, is provided with drive assembly on the installation pole, and drive assembly is used for ordering about the meter along the length direction motion of installation pole. When carrying out road surface deflection test, at first place the graceful roof beam of beckman in the place department that awaits measuring, staff's accessible drive assembly drives the meter and moves along the length direction of installation pole orientation the graceful roof beam of beckman afterwards, make the probe and the graceful roof beam butt of beckman of meter, then zero set is carried out to the meter, after accomplishing, can begin the road surface deflection test of measuring point, after accomplishing one and measure, transport the graceful roof beam of beckman to next measuring point and can continue to measure, need not to assemble separately the graceful roof beam of beckman and meter, the operation step has been simplified, and the efficiency of software testing is improved.

Description

Pavement deflection appearance

Technical Field

The application relates to the field of monitoring equipment, in particular to a pavement deflection instrument.

Background

The deflection is one of important technical indexes for evaluating the quality condition of highway design and highway engineering, reflects the integral strength of each layer in the highway as a whole, and generally uses a deflection instrument to test the rebound modulus of the deflection of a road surface in the actual engineering construction process.

The pavement deflection instrument generally comprises a dial indicator, a support meter frame and a Beckman beam, when the pavement deflection test is carried out, the Beckman beam is firstly placed at a place to be tested, then the support meter frame is installed at one end, far away from a test vehicle, of the Beckman beam, the dial indicator is placed at one end of the Beckman beam, and the pavement deflection test can be started after the dial indicator is zeroed.

However, in view of the above-mentioned related art, the applicant believes that there is a drawback that, in the actual measurement process, it is necessary to first perform installation and positioning on the beckman beam, and then the dial gauge for testing is installed on one side of the beckman beam, and then the measurement can be performed, and the operation process is complicated.

SUMMERY OF THE UTILITY MODEL

In order to simplify the measurement process, the application provides a road surface deflectometer.

The application provides a road surface deflectometer adopts following technical scheme:

the utility model provides a road surface deflectometer, includes the graceful roof beam of the bikeman, the fixed contact that is provided with of one end of the graceful roof beam of the bikeman, the contact is used for contradicting with ground, the one end activity that the contact was kept away from to the graceful roof beam of the bikeman is provided with the installation pole, be provided with the meter on the installation pole, be provided with drive assembly on the installation pole, drive assembly is used for ordering about the meter and follows the length direction motion of installation pole.

Through adopting above-mentioned technical scheme, when carrying out the test of road surface deflection degree, at first place the manless roof beam of beck in the place department that awaits measuring, staff's accessible drive assembly drives the meter and moves along the manless roof beam of beck of the length direction orientation of installation pole afterwards, make the probe of meter and the manless roof beam butt of beck, then zero set the meter, after accomplishing, can begin the test of road surface deflection degree of measuring point, after accomplishing a measurement, transport the manless roof beam of beck to next measuring point and can continue to measure, need not to assemble separately the manless roof beam of beck and meter, operation steps have been simplified, and the efficiency of software testing is improved.

Optionally, the one end that the graceful roof beam of becker is close to the installation pole has seted up first spout along handling and the graceful roof beam of becker's length direction, it has first slider to articulate on the installation pole, first slider slides with first spout and is connected, be provided with anticreep portion on the graceful roof beam of becker, anticreep portion is used for preventing first slider from breaking away from first spout.

Through adopting above-mentioned technical scheme, when carrying out the deflection test, set up in the contact of the man roof beam one end of becker and conflict with the ground that awaits measuring ground, at the in-process of test, the man roof beam of becker takes place to deflect, drives first slider along with the deflection of the man roof beam of becker and slides in first spout, produces the reading then after contacting with the measuring gauge, carries out the reading to the measuring gauge and can accomplish the measurement, and easy operation is convenient to reach the mesh that improves detection efficiency.

Optionally, the driving assembly includes a screw rod and a driving shaft, a second sliding groove is formed in one side of the mounting rod, which is close to the beckmann beam, along the length direction of the mounting rod, the screw rod is arranged in the second sliding groove along the length direction of the second sliding groove and is rotatably connected with the mounting rod, a second sliding block is arranged in the second sliding groove along the length direction of the second sliding groove in a sliding manner, the second sliding block is connected with the measuring meter, the second sliding block is in a threaded sleeve connection with the screw rod, the driving shaft is rotatably arranged on the mounting rod, and the driving shaft is in transmission connection with the screw rod.

Through adopting above-mentioned technical scheme, when the position of table on the installation pole is adjusted to needs, drive the lead screw through the rotation driving axle and rotate, the lead screw rotates and drives the second slider and slide in the second spout, the second slider drives the table and moves on the installation pole, at first the purpose of adjustment table position, carry out screw thread transmission through lead screw and second slider, it is accurate to transmit, and the lead screw possesses the auto-lock effect of certain degree, can improve the precision of test effectively.

Optionally, a knob is fixedly arranged at one end of the driving shaft, which is far away from the mounting rod, and the knob is used for driving the driving shaft to rotate.

Through adopting above-mentioned technical scheme, drive the drive shaft through twisting the knob and rotate, drive the lead screw then and rotate, improved the area of contact between staff's hand and the drive shaft, made things convenient for the staff to drive the drive shaft and rotated, improved staff's measurement of efficiency.

Optionally, the measuring gauge is detachably connected to the second slider.

Through adopting above-mentioned technical scheme, along with the going on of measurement, need carry out periodic maintenance and maintenance to the gauge, when needs maintain or maintain the gauge, can dismantle the gauge from the second slider, maintain or maintain, made things convenient for staff's operation, improved the practicality of device.

Optionally, the first sliding block is provided with a ball in rolling contact with the beckman beam.

Through adopting above-mentioned technical scheme, when first slider slided in first spout, the ball becomes rolling friction with the sliding friction between the man roof beam of first slider and the becker, has reduced coefficient of friction, has reduced frictional force, has made things convenient for the slip of first slider, has reduced the wearing and tearing between the man roof beam of first slider and the becker, and then has played the effect that improves the life of device.

Optionally, a supporting rod is fixedly arranged at the bottom of the mounting rod along the length direction of the mounting rod, and a support is connected to one end ball of the supporting rod, which is far away from the mounting rod.

Through adopting above-mentioned technical scheme, when the topography undulation in the place of awaiting measuring is great, the ball connects the ground laminating that can undulate in the support of branch one end to play the supporting effect more effectively to the installation pole, improved the practicality of device.

Optionally, one end of the support far away from the support rod is provided with an anti-slip layer.

Through adopting above-mentioned technical scheme, through setting up the skid resistant course, improved the frictional force between support bottom and the ground, can prevent to a certain extent in the test procedure, skid between support and the ground and lead to the test result to the deviation appears, improved the practicality of device effectively.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after one measurement is finished, the Beckman beam is conveyed to the next measurement point to continue the measurement, and the Beckman beam and the measuring meter do not need to be assembled separately, so that the operation steps are simplified, and the test efficiency is improved;

2. the screw rod and the second sliding block are in threaded transmission, so that the transmission is accurate, the screw rod has a self-locking effect to a certain degree, and the testing precision can be effectively improved;

3. the support ball connected to one end of the support rod can be attached to the ground in an up-and-down mode, and the installation rod is effectively supported.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a cross-sectional view of a first mounting block of an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a drive assembly according to an embodiment of the present application;

fig. 5 is an exploded view of a cradle according to an embodiment of the present application.

Description of reference numerals: 1. a Beckman beam; 11. a beam body; 12. a supporting seat; 13. a contact; 14. a first mounting block; 2. a first chute; 21. a first slider; 3. mounting a rod; 31. a first hinge block; 32. a second hinge block; 33. hinging a shaft; 4. an anti-drop part; 41. surrounding edges; 42. a stopper; 5. a ball bearing; 6. a measuring meter; 7. a drive assembly; 71. a lead screw; 72. a drive shaft; 73. a second chute; 74. a second slider; 75. a first bevel gear; 76. a second bevel gear; 77. a knob; 8. a second mounting block; 81. a third mounting block; 82. a through hole; 83. a connecting bolt; 84. a threaded hole; 9. a strut; 91. a groove; 92. a connecting ball; 93. and (4) a support.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses road surface deflectometer.

Referring to fig. 1, a road surface deflectometer, including the camman roof beam 1 of beckman, camman roof beam 1 of beckman includes roof beam body 11 and supporting seat 12, and roof beam body 11 articulates on supporting seat 12, and bolted connection's mode fixed mounting is passed through to roof beam body 11 one end has contact 13, and contact 13's one end is used for with the ground contact in the place that awaits measuring, and first installation piece 14 is installed through the welded mode to roof beam body 11's one end of keeping away from contact 13, and supporting seat 12 is located one side that first installation piece 14 is close to in the middle part of roof beam body 11 with the pin joint of roof beam body 11.

Referring to fig. 1 and 2, a first chute 2 is provided along the length direction of the first mounting block 14 on the side wall of the first mounting block 14 away from the beam body 11, a first sliding block 21 is slidably mounted in the first chute 2, a mounting rod 3 is mounted at the end of the beam body 11 away from the contact 13, a first hinge block 31 is welded at the end of the mounting rod 3 close to the beam body 11, a second hinge block 32 is welded at the end of the first sliding block 21 away from the mounting rod 3, and the first hinge block 31 is rotatably connected with the second hinge block 32 through a hinge shaft 33.

Referring to fig. 2 and 3, the first mounting block 14 is provided with a retaining portion 4, the retaining portion 4 is used for preventing the first slider 21 from being separated from the first chute 2, and the retaining portion 4 includes a surrounding edge 41 and a stopper 42. The surrounding edge 41 is installed at the notch of the first sliding chute 2 along the length direction of the first sliding chute 2, the surrounding edge 41 is connected with the first installation block 14 in a welding mode, the stop block 42 is welded on the first sliding block 21, and the stop block 42 is used for being abutted to one side, close to the bottom wall of the first sliding chute 2, of the surrounding edge 41 so as to prevent the first sliding block 21 from being separated from the first sliding chute 2.

Referring to fig. 3, the first slider 21 is provided with a ball 5 which is in rolling contact with the beckman beam 1. When the first sliding block 21 slides in the first sliding groove 2, the sliding friction between the first sliding block 21 and the beckmann beam 1 is changed into rolling friction by the ball 5, so that the friction coefficient is reduced, the friction force is reduced, the sliding of the first sliding block 21 is facilitated, the abrasion between the first sliding block 21 and the beckmann beam 1 is reduced, and the effect of prolonging the service life of the device is achieved.

Referring to fig. 2 and 4, a measuring meter 6 is arranged on the mounting rod 3, a driving assembly 7 is arranged on the mounting rod 3, the driving assembly 7 is used for driving the measuring meter 6 to move along the length direction of the mounting rod 3, and the driving assembly 7 comprises a lead screw 71 and a driving shaft 72. One side of the mounting rod 3 close to the beckmann beam 1 is provided with a second sliding groove 73 along the length direction of the mounting rod 3, the lead screw 71 is arranged in the second sliding groove 73 along the length direction of the second sliding groove 73, the lead screw 71 is rotatably connected with the mounting rod 3 through a bearing, a second sliding block 74 is slidably arranged in the second sliding groove 73 along the length direction of the second sliding groove 73, the second sliding block 74 is sleeved on the lead screw 71 in a threaded manner, the second sliding block 74 is connected with the measuring meter 6, and the driving shaft 72 is rotatably arranged on the mounting rod 3.

Referring to fig. 4, a first bevel gear 75 is coaxially and fixedly mounted on the screw 71 through a coupling, a second bevel gear 76 is coaxially and fixedly mounted at one end of the driving shaft 72, and the first bevel gear 75 is engaged with the second bevel gear 76.

When the position of the measuring meter 6 on the mounting rod 3 needs to be adjusted, the rotating driving shaft 72 drives the screw rod 71 to rotate, the screw rod 71 rotates to drive the second sliding block 74 to slide in the second sliding groove 73, the second sliding block 74 drives the measuring meter 6 to move on the mounting rod 3, the purpose of adjusting the position of the measuring meter 6 is firstly realized, the screw rod 71 and the second sliding block 74 are used for realizing thread transmission, the transmission is accurate, the screw rod 71 has a certain self-locking effect, and the testing precision can be effectively improved.

Referring to fig. 4, a knob 77 is welded to an end of the driving shaft 72 away from the mounting rod 3, and the knob 77 is used for driving the driving shaft 72 to rotate. The drive shaft 72 is driven to rotate by screwing the knob 77, and then the screw rod 71 is driven to rotate, so that the contact area between the hand of a worker and the drive shaft 72 is increased, the worker can drive the drive shaft 72 to rotate conveniently, and the measurement efficiency of the worker is improved.

Referring to fig. 4, the measuring gauge 6 is detachably connected with the second slider 74, the second mounting block 8 is welded to one end, far away from the mounting rod 3, of the second slider 74, the third mounting block 81 is fixedly arranged at the top of the measuring gauge 6 through welding or a bolt, a through hole 82 penetrating through the second mounting block 8 is formed in the second mounting block 8 along the vertical direction, a connecting bolt 83 is arranged in the through hole 82 in a penetrating mode, and a threaded hole 84 connected with the connecting bolt 83 in a threaded mode is formed in the third mounting block 81.

Along with the progress of measurement, need carry out regular maintenance and maintenance to gauge 6, when needs maintain or maintain gauge 6, can dismantle gauge 6 from second slider 74, maintain or maintain, made things convenient for staff's operation, improved the practicality of device.

Referring to fig. 5, a supporting rod 9 is fixedly arranged at the bottom of the mounting rod 3 along the length direction of the mounting rod 3, a groove 91 is formed in one end, away from the mounting rod 3, of the supporting rod 9, a connecting ball 92 is rotatably installed in the groove 91, and a support 93 is welded at one end, away from the supporting rod 9, of the connecting ball 92. When the topography of the place to be measured is great, the support 93 of ball joint in branch 9 one end can the ground laminating of undulation to play and support the effect more effectively to installation pole 3, improved the practicality of device.

Wherein, referring to fig. 5, the one end of the support 93 far away from the supporting rod 9 is provided with the skid resistant layer, and the material of the skid resistant layer is generally set up to be the soft materials such as sponge, rubber that easily produce deformation, and in the use, the skid resistant layer can produce deformation under the action of gravity, increases the area of contact between the support 93 bottom and the place ground that awaits measuring, reaches the effect that improves frictional force.

The implementation principle of the pavement deflection instrument in the embodiment of the application is as follows:

when the pavement deflection test is carried out, firstly, the Beckman beam 1 is placed at a place to be tested, then a worker twists a knob 77 to drive a driving shaft 72 to rotate, then a lead screw 71 is driven to rotate through a first bevel gear 75 and a second bevel gear 76, the lead screw 71 drives a second sliding block 74 to move, then a measuring meter 6 is driven to move towards a beam body 11, a probe of the measuring meter 6 is abutted to the beam body 11, then the measuring meter 6 is zeroed, the pavement deflection test of the measuring point can be started after the completion of the measurement, and after the completion of the measurement, the Beckman beam 1 is conveyed to the next measuring point to continue the measurement, the Beckman beam 1 and the measuring meter 6 do not need to be assembled separately, the operation steps are simplified, and the test efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a road surface deflectometer which characterized in that: including the man roof beam of beckman (1), the fixed contact (13) that is provided with of one end of the man roof beam of beckman (1), contact (13) are used for contradicting with ground, the activity of the one end that the contact (13) were kept away from in the man roof beam of beckman (1) is provided with installation pole (3), be provided with gauge (6) on installation pole (3), be provided with drive assembly (7) on installation pole (3), drive assembly (7) are used for driving about the length direction motion of gauge (6) along installation pole (3).

2. The pavement deflectometer of claim 1, characterized in that: the one end that the man roof beam of beckmann (1) is close to installation pole (3) has seted up first spout (2) along the length direction who handles with the man roof beam of beckmann (1), it has first slider (21) to articulate on installation pole (3), first slider (21) slide with first spout (2) and be connected, be provided with anticreep portion (4) on the man roof beam of beckmann (1), anticreep portion (4) are used for preventing that first slider (21) break away from first spout (2).

3. The pavement deflectometer of claim 1, characterized in that: the driving assembly (7) comprises a lead screw (71) and a driving shaft (72), a second sliding groove (73) is formed in one side, close to the Beckman beam (1), of the mounting rod (3) along the length direction of the mounting rod (3), the lead screw (71) is arranged in the second sliding groove (73) along the length direction of the second sliding groove (73) and is rotatably connected with the mounting rod (3), a second sliding block (74) is arranged in the second sliding groove (73) along the length direction of the second sliding groove (73) in a sliding mode, the second sliding block (74) is connected with the measuring meter (6), the second sliding block (74) is sleeved on the lead screw (71) in a threaded mode, the driving shaft (72) is rotatably arranged on the mounting rod (3), and the driving shaft (72) is in transmission connection with the lead screw (71).

4. A pavement deflectometer according to claim 3, characterized in that: and a knob (77) is fixedly arranged at one end, far away from the mounting rod (3), of the driving shaft (72), and the knob (77) is used for driving the driving shaft (72) to rotate.

5. A pavement deflectometer according to claim 3, characterized in that: the measuring meter (6) is detachably connected with the second sliding block (74).

6. The pavement deflectometer of claim 2, characterized in that: the first sliding block (21) is provided with a ball (5) which is in rolling contact with the Beckman beam (1).

7. The road surface deflectometer according to any one of claims 1 to 6, characterized in that: the bottom of installation pole (3) is provided with branch (9) along the fixed length direction of installation pole (3), support (93) are connected to the terminal ball that installation pole (3) were kept away from in branch (9).

8. The pavement deflectometer of claim 7, characterized in that: and an anti-skid layer is arranged at one end of the support (93) far away from the support rod (9).