CN211340323U

CN211340323U - Road surface load detection device

Info

Publication number: CN211340323U
Application number: CN201921803657.6U
Authority: CN
Inventors: 李银明; 唐国德; 钱家印
Original assignee: Chongqing Yucai Engineering Consulting And Supervision Co Ltd
Current assignee: Chongqing Yucai Engineering Consulting And Supervision Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-08-25
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a road surface load detection device relates to road surface load detection device, aims at solving the current graceful roof beam detection device inconvenient problem of beck, and its technical scheme main points are: the testing device comprises a cross beam, the testing rod of the vertical setting of one end fixedly connected with of cross beam, the other end of cross beam is provided with the percentage table, be provided with the base that plays supporting role between testing rod and the percentage table, the base rotates the central axis coincidence of connecting in the rotation plane of cross beam and base and testing rod, a plurality of stabilizer blades that are on a parallel with the testing rod of base below fixedly connected with, base threaded connection has a plurality of bracing pieces one that are on a parallel with the testing rod, the lower extreme fixedly connected with universal wheel one of bracing piece one, the lateral wall threaded connection of testing rod has bracing piece two, the lower extreme fixedly connected with universal wheel two of bracing piece two, the mid point that the base is located the cross beam deviates from testing rod one side. The utility model discloses the operation is better convenient relatively.

Description

Road surface load detection device

Technical Field

The utility model relates to a road surface load detection device, more specifically say, it relates to a road surface load detection device.

Background

The performance of the pavement structure refers to the degree of the pavement structure resisting the action of external load and environmental factors and keeping the condition of the pavement structure intact, and is mainly reflected by the bearing capacity of the pavement structure, namely the capacity of the pavement load. The load capacity of the road surface is internally related to the degree of damage, stability and durability of the road surface. During the use of the road surface, the load capacity of the road surface is gradually reduced, so that the road surface can be designed to deflect during the design of the road surface, and the road surface can be continuously used when the measured deflection is smaller than the designed deflection of the road surface. Real-time detection of the measured deflection representative of the road surface is therefore required.

The existing detection methods mainly comprise a Beckman beam method, a drop hammer deflection method and a laser deflection method. When the Beckman beam method is used for detection, a plurality of persons are needed to cooperate, the Beckman beam is manually transported, and the dial indicator needs to be manually placed at the testing end of the Beckman beam after the Beckman beam is arranged at the testing position, so that the use process is relatively inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a road surface load detection device, be convenient for more transport and operation during its use.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a road surface load detection device, includes the crossbeam, the test bar of the vertical setting of one end fixedly connected with of crossbeam, the other end of crossbeam is provided with the percentage table, be provided with the base that plays supporting role between test bar and the percentage table, the base rotates to be connected in the central axis coincidence of the rotation plane of crossbeam and base and test bar, base below threaded connection has a plurality of stabilizer blades that are on a parallel with the test bar, base threaded connection has a plurality of bracing pieces one that are on a parallel with the test bar, the lower extreme fixedly connected with universal wheel one of bracing piece one, the lateral wall threaded connection of test bar has bracing piece two, the lower extreme fixedly connected with universal wheel two of bracing piece two, the mid point that the base is located the crossbeam deviates from test bar one side.

Through adopting above-mentioned technical scheme, when road surface load detection is carried out to needs, only need to rotate bracing piece one bracing piece two and make the pulley butt of universal wheel one and universal wheel two in the road surface, in order to get up the crossbeam support can, and transport the crossbeam to the road surface that needs detected through universal wheel one and universal wheel two, then rotate bracing piece one and bracing piece two and make universal wheel one and universal wheel two shrink towards the crossbeam, in order to make the lower extreme butt of stabilizer blade play the supporting role in the road surface and to the crossbeam, simultaneously in the not good position of degree of road surface, one of them stabilizer blade is rotated to the accessible, make it slide towards crossbeam or road surface, in order to make the lower extreme homoenergetic butt of a plurality of stabilizer blades in the road surface, make the crossbeam place relatively more steadily.

The utility model discloses further set up to: the first universal wheel and the second universal wheel are self-locking universal wheels.

Through adopting above-mentioned technical scheme for in the transportation picture, need place the crossbeam temporarily in the road surface, the self-locking function of accessible auto-lock universal wheel makes the pulley locking of universal wheel can.

The utility model discloses further set up to: the base is including rotating the mounting panel of keeping away from crossbeam one side in the base and fixed connection in the base of crossbeam, the plane perpendicular to test bar at mounting panel place, a bracing piece threaded connection is in the mounting panel, the opening of mounting groove and mounting groove is seted up on the upper portion of base towards the crossbeam, the mounting groove level extends and it is both ends open structure, it is the pivot that the level was provided with the perpendicular to crossbeam to be in the mounting groove, the pivot overcoat is equipped with two bearings, the inner circle fixed connection of bearing is in the pivot, the outer lane fixed connection of bearing is in the lateral wall of mounting groove, the middle part fixed connection of pivot is in the crossbeam.

Through adopting above-mentioned technical scheme, the crossbeam passes through the base and rotates to be connected in being platelike mounting panel for the crossbeam passes through the base to be supported in ground relatively more stable, and the pivot is located to the bearing overcoat simultaneously, makes the frictional force between crossbeam and pivot and crossbeam and the base reduce relatively to crossbeam pivoted influence, so that testing result is more accurate relatively when detecting.

The utility model discloses further set up to: two connecting plates of mounting panel fixedly connected with, the connecting plate slope extends up and its orientation is kept away from the direction extension of test bar, two the tip fixedly connected with installation piece of mounting panel is kept away from to the connecting plate, the end connection that the mount pad was kept away from to the installation piece has the adjustment mechanism who is used for adjusting the percentage table height, but the measuring head butt of percentage table in or break away from the tip that the test bar was kept away from to the crossbeam, the percentage table is located the top of crossbeam.

Through adopting above-mentioned technical scheme, the percentage table is connected in the base through two connecting plates, adjusts the vertical position of percentage table through adjustment mechanism simultaneously, when measuring, makes the measuring head butt of percentage table in the crossbeam through adjustment mechanism, measures, when not examining, make the measuring head of percentage table keep away from the crossbeam through adjustment mechanism can, need not additionally place the percentage table in the road surface and debugging simultaneously, only need return to zero can.

The utility model discloses further set up to: the adjusting mechanism comprises a sliding block connected to the mounting block in a sliding mode and two clamping plates connected to the sliding block in a rotating mode, the sliding block can slide vertically, the two clamping plates are arranged vertically, torsion springs which enable the two clamping plates to rotate in opposite directions are fixedly connected between the clamping plates and the sliding block, a sleeve portion of the dial indicator is clamped between the two clamping plates, and a control mechanism used for controlling the sliding of the sliding block is arranged in the mounting block.

By adopting the technical scheme, when the road surface load is reduced and the height of the dial indicator needs to be adjusted, the slider is controlled to vertically slide only by the control mechanism, so that the dial indicator clamped between the two clamping plates vertically slides, and the vertical position of the dial indicator is adjusted.

The utility model discloses further set up to: the mounting block is provided with a vertically extending sliding groove, the opening of the sliding groove faces the dial indicator, the sliding groove is a T-shaped groove, the control mechanism comprises a worm which is rotatably connected to the mounting block and a worm bar which is meshed with the worm, one end of the worm bar, which deviates from the base, is fixedly connected to the sliding block, and the worm is vertically arranged and penetrates out of the upper end of the worm.

By adopting the technical scheme, when the sliding block is required to be controlled to vertically slide, the worm is only required to be rotated to drive the worm rack meshed with the worm rack to vertically slide, and therefore the sliding block is driven to vertically slide.

The utility model discloses further set up to: the clamping plates are arc plates, the sleeve parts of the dial indicator are clamped in the arc openings of the two clamping plates, and the arc openings of the clamping plates are matched with the sleeve parts of the dial indicator.

Through adopting above-mentioned technical scheme, the sleeve part of percentage table is by the centre gripping in the arcuation opening of two grip blocks for when the percentage table centre gripping was between two grip blocks, straight board relatively more stable and the percentage table is difficult for not hard up relatively, and the result of use is better relatively.

The utility model discloses further set up to: the installation piece and the vertical lateral wall that the slider deviates from base one side rotate respectively and are connected with two locking bolt one and two locking bolt two that are the level setting, two the screw end of locking bolt one can butt respectively in or break away from the vertical lateral wall of slider, two the screw end of locking bolt two can butt respectively in or break away from the face that two grip blocks deviate from one side mutually.

Through adopting above-mentioned technical scheme, when carrying out road surface load detection, the screw rod end butt respectively of locking bolt one and locking bolt two deviates from the face of one side in the vertical lateral wall of slider and two grip blocks for the slider is difficult for relative mounting hole to slide more, and two grip blocks are difficult for not hard up relatively more.

To sum up, the utility model discloses following beneficial effect has:

1. when the road surface load detection is carried out, only one support rod II of the support rod needs to be rotated to enable pulleys of the first universal wheel and the second universal wheel to be abutted against the road surface so as to support the cross beam, meanwhile, a power machine can be used or the cross beam is pushed to enable the cross beam to be transferred to the road surface to be detected through the first universal wheel and the second universal wheel, then the first support rod and the second support rod are rotated to enable the first universal wheel and the second universal wheel to contract towards the cross beam so as to enable the lower ends of the support legs to be abutted against the road surface and play a supporting role for the cross beam, meanwhile, at the position with poor road surface flatness, one support leg can be rotated to enable the support leg to slide towards the cross beam or the road surface so that the lower ends of the plurality of support legs;

2. the percentage table is connected in the base through two connecting plates, can control the vertical slip of percentage table through adjustment mechanism and control mechanism simultaneously, and it is relatively more convenient to use, and the percentage table passes through adjustment mechanism can dismantle to be connected in the slider simultaneously for when needing to carry out the calibration to the percentage table, rotate two grip blocks towards the direction that deviates from mutually and can pull down the percentage table.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1, which is mainly used for illustrating the relative position relationship between the rotating shaft and the bearing;

FIG. 3 is an enlarged view of the portion B of FIG. 1, which is mainly used to show the structure of the adjusting mechanism and the control mechanism;

fig. 4 is a partial explosion diagram of the present invention, which is mainly used for showing the structure of the torsion spring.

In the figure: 1. a cross beam; 11. a test rod; 12. a dial indicator; 13. a second supporting rod; 131. a third handle; 14. a second universal wheel; 15. a through hole; 2. a base; 21. a support leg; 211. a first handle; 22. a first supporting rod; 221. a first universal wheel; 222. a second handle; 23. a base; 231. mounting grooves; 232. a rotating shaft; 233. a bearing; 24. mounting a plate; 25. a connecting plate; 251. mounting blocks; 252. a chute; 253. locking the first bolt; 3. an adjustment mechanism; 31. a slider; 311. a second locking bolt; 32. a clamping plate; 33. a torsion spring; 4. a control mechanism; 41. a worm; 411. a fourth handle; 42. a snail mother strip.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Road surface load detection device, refer to fig. 1 and 2, including being crossbeam 1 of level setting, the one end fixedly connected with of crossbeam 1 is the test bar 11 of vertical setting, and the other end of crossbeam 1 is provided with the percentage table 12 that is used for testing road surface deflection, and crossbeam 1 has seted up a plurality of through-holes 15 that distribute along its length direction, and the central axis of through-hole 15 is level setting and its central axis perpendicular to crossbeam 1.

Two-thirds department of crossbeam 1 rotates and is connected with base 2 that plays supporting role, and wherein base 2 is located the mid point of crossbeam 1 and towards percentage table 12 one side, and the rotation plane of base 2 and the central axis coincidence of test bar 11.

The base 2 comprises a base 23 pivotally connected to the beam 1 and a mounting plate 24 fixedly connected to the base 23. The upper portion of the base 23 is provided with a mounting groove 231 extending horizontally, and the mounting groove 231 is opened upward and has a structure with two ends opened. A rotating shaft 232 is arranged in the mounting groove 231, bearings 233 are respectively sleeved at two ends of the rotating shaft 232, outer rings of the bearings 233 are embedded in two side walls of the mounting groove 231, inner rings of the bearings 233 are fixedly connected to the rotating shaft 232, and outer rings of the bearings 233 are fixedly connected to the side walls of the mounting groove 231. The rotating shaft 232 can rotate relative to the base 23, the beam 1 is fixedly connected to the middle of the rotating shaft 232, and the beam 1 passes through the mounting groove 231.

Referring to fig. 1 and 2, the plane of the mounting plate 24 is perpendicular to the central axis of the testing rod 11, the mounting plate 24 is in threaded connection with three supporting feet 21 for supporting, the supporting feet 21 are in a cylindrical structure, and the central axis of the supporting feet 21 is parallel to the central axis of the testing rod 11. The upper end of each supporting leg 21 is fixedly connected with a first handle 211 used for assisting in rotating, wherein the three supporting legs 21 are distributed on the mounting plate 24 in an array mode, the connecting line of the centers of the three supporting legs 21 is an isosceles triangle, and the length direction of the cross beam 1 and a perpendicular bisector of the isosceles triangle are located in the same vertical plane.

The mounting plate 24 is in threaded connection with three first supporting rods 22 for transportation, and the central axes of the first supporting rods 22 are parallel to the central axis of the test rod 11. The lower end of the first support rod 22 is fixedly connected with a first universal wheel 221, and the upper end of the first support rod 22 is fixedly connected with a second handle 222 for assisting rotation. Three support rods one 22 are respectively arranged on the mounting plate 24.

Referring to fig. 1 and 2, a second support rod 13 is connected to the test rod 11 through a screw thread, a second universal wheel 14 is fixedly connected to the lower end of the second support rod 13, and a third handle 131 for assisting rotation is fixedly connected to the upper end of the second support rod 13. Wherein the first universal wheel 221 and the second universal wheel 14 are self-locking universal wheels.

Referring to fig. 1 and 3, the mounting plate 24 is fixedly connected with two connecting plates 25, and the two connecting plates 25 are respectively located on two sides of the cross beam 1 in the horizontal direction. The connecting plate 25 extends obliquely upwards, the end of the connecting plate 25 remote from the mounting plate 24 extending away from the test bar 11. The end parts of the two connecting plates 25 far away from the mounting plate 24 are fixedly connected with mounting blocks 251, and one ends of the mounting blocks 251 far away from the mounting plate 24 are connected with adjusting mechanisms 3 for adjusting the height of the dial indicator 12.

Referring to fig. 3 and 4, the adjusting mechanism 3 includes a slider 31 slidably coupled to the mounting block 251 and two clamping plates 32 rotatably coupled to the slider 31. The slider 31 can vertically slide, and two grip blocks 32 are vertical setting, and the plane of rotation coincidence of two grip blocks 32 and its plane of rotation are the level setting. A torsion spring 33 for rotating the two holding plates 32 in the opposite direction is connected between the holding plate 32 and the slider 31.

Referring to fig. 1 and 3, the clamping plates 32 are arc plates, and the two clamping plates 32 are opened in opposite arc shapes, wherein the central axis of the arc plates of the clamping plates 32 is vertically arranged, the sleeve portions of the dial indicator 12 are clamped in the arc openings of the two clamping plates 32, and the arc openings of the clamping plates 32 are adapted to the sleeve portions of the dial indicator 12.

The mounting block 251 is provided therein with a control mechanism 4 for controlling the sliding movement of the slider 31.

Referring to fig. 1 and 3, a vertically sliding chute 252 is formed in one side of the mounting block 251, which faces the dial indicator 12, an opening of the chute 252 faces a direction in which the mounting block 251 deviates from the base 2, and the chute 252 is a T-shaped groove. The control mechanism 4 includes a worm 41 rotatably connected to the mounting block 251 and a worm rack 42 engaged with the worm 41. The worm-shaped strip 42 is adapted to the transverse portion of the T-shape of the sliding groove 252, and the worm-shaped strip 42 is fixedly connected to the sliding block 31.

One end of the worm 41 is rotatably connected to the lower side wall of the slide groove 252, and the other end of the worm 41 extends vertically upward and out of the mounting block 251. The end of the worm 41 penetrating through the mounting block 251 is fixedly connected with a handle four 411 for assisting rotation.

The mounting block 251 and the sliding block 31 are respectively and rotatably connected with a first locking bolt 253 and a second locking bolt 311 which are horizontally arranged towards the vertical side wall of the dial indicator 12, and the first locking bolt 253 and the second locking bolt 311 are both perpendicular to the supporting leg 21 and the first supporting rod 22.

The two locking bolts 253 are respectively positioned at two sides of the sliding block 31 in the horizontal direction, and the distribution direction of the two locking bolts 253 is perpendicular to the cross beam 1. The screws of the two first locking bolts 253 extend towards each other respectively, and the opposite ends of the two first locking bolts 253 can abut against or separate from the side walls of the slider 31 respectively.

The two locking bolts 311 are respectively positioned on one side, away from the two clamping plates 32, screws of the two locking bolts 311 extend in opposite directions, and the screw ends of the two locking bolts 311 can abut against or separate from the plate surface on the opposite side of the two clamping plates 32.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a road surface load detection device, includes crossbeam (1), test bar (11) of the vertical setting of one end fixedly connected with of crossbeam (1), the other end of crossbeam (1) is provided with percentage table (12), be provided with base (2) that play the supporting role between test bar (11) and percentage table (12), base (2) are rotated and are connected in the central axis coincidence of the rotation plane of crossbeam (1) and base (2) and test bar (11), its characterized in that: base (2) below threaded connection has a plurality of stabilizer blades (21) that are on a parallel with test bar (11), base (2) threaded connection has a plurality of bracing pieces (22) that are on a parallel with test bar (11), the lower extreme fixedly connected with universal wheel (221) of bracing piece (22), the lateral wall threaded connection of test bar (11) has bracing piece two (13), the lower extreme fixedly connected with universal wheel two (14) of bracing piece two (13), base (2) is located the mid point of crossbeam (1) and deviates from test bar (11) one side.

2. The road surface load detection device according to claim 1, characterized in that: the first universal wheel (221) and the second universal wheel (14) are self-locking universal wheels.

3. The road surface load detection device according to claim 1, characterized in that: the base (2) comprises a base (23) which is rotationally connected with the cross beam (1) and a mounting plate (24) which is fixedly connected with one side of the base (23) far away from the cross beam (1), the plane of the mounting plate (24) is vertical to the testing rod (11), the first supporting rod (22) is connected with the mounting plate (24) in a threaded manner, the upper part of the base (23) is provided with a mounting groove (231), the opening of the mounting groove (231) faces the beam (1), the mounting groove (231) extends horizontally and is of a structure with two open ends, a rotating shaft (232) vertical to the beam (1) is horizontally arranged in the mounting groove (231), two bearings (233) are sleeved outside the rotating shaft (232), the inner rings of the bearings (233) are fixedly connected with the rotating shaft (232), the outer ring of the bearing (233) is fixedly connected to the side wall of the mounting groove (231), and the middle of the rotating shaft (232) is fixedly connected to the cross beam (1).

4. The road surface load detection device according to claim 3, characterized in that: two connecting plates (25) of mounting panel (24) fixedly connected with, connecting plate (25) slope extends up and its orientation is kept away from the direction extension of test bar (11), two the tip fixedly connected with installation piece (251) of mounting panel (24) is kept away from in connecting plate (25), the end connection that mounting panel (24) were kept away from in installation piece (251) has adjustment mechanism (3) that are used for adjusting percentage table (12) height, but the measuring head butt of percentage table (12) in or break away from the tip that test bar (11) were kept away from in crossbeam (1), percentage table (12) are located the top of crossbeam (1).

5. The road surface load detection device according to claim 4, characterized in that: the adjusting mechanism (3) comprises a sliding block (31) connected to the mounting block (251) in a sliding mode and two clamping plates (32) connected to the sliding block (31) in a rotating mode, the sliding block (31) can slide vertically, the two clamping plates (32) are vertically arranged, a torsion spring (33) which enables the two clamping plates (32) to rotate in opposite directions is fixedly connected between the clamping plates (32) and the sliding block (31), a sleeve portion of the dial indicator (12) is clamped between the two clamping plates (32), and a control mechanism (4) used for controlling the sliding of the sliding block (31) is arranged in the mounting block (251).

6. The road surface load detection device according to claim 5, characterized in that: the mounting block (251) is provided with a vertically extending sliding groove (252), the opening of the sliding groove (252) faces the dial indicator (12), the sliding groove (252) is a T-shaped groove, the control mechanism (4) comprises a worm (41) rotatably connected to the mounting block (251) and a worm female bar (42) meshed with the worm (41), one end, deviating from the base (2), of the worm female bar (42) is fixedly connected to the sliding block (31), and the worm (41) is vertically arranged and penetrates out of the mounting block (251) from the upper end of the worm female bar.

7. The road surface load detection device according to claim 5, characterized in that: the clamping plates (32) are arc plates, the sleeve parts of the dial indicator (12) are clamped in the arc openings of the two clamping plates (32), and the arc openings of the clamping plates (32) are matched with the sleeve parts of the dial indicator (12).

8. The road surface load detection device according to claim 6, characterized in that: the vertical side wall that installation piece (251) and slider (31) deviate from base (2) one side rotates respectively and is connected with two locking bolt one (253) and two locking bolt two (311) that are the level setting, two the screw rod end of locking bolt one (253) can butt respectively in or break away from the vertical side wall of slider (31), two the screw rod end of locking bolt two (311) can butt respectively in or break away from the face of two grip blocks (32) back of the body one side.