CN211904955U - Pavement deflection detection device - Google Patents

Pavement deflection detection device Download PDF

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Publication number
CN211904955U
CN211904955U CN202020507932.6U CN202020507932U CN211904955U CN 211904955 U CN211904955 U CN 211904955U CN 202020507932 U CN202020507932 U CN 202020507932U CN 211904955 U CN211904955 U CN 211904955U
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China
Prior art keywords
lever
groove
telescopic
limiting
front lever
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CN202020507932.6U
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Chinese (zh)
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郑军武
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Huizhou Dayu Engineering Quality Inspection Center Co ltd
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Huizhou Dayu Engineering Quality Inspection Center Co ltd
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Abstract

The utility model relates to the technical field of pavement benkelman, and discloses a pavement benkelman detection device, including the front lever, the front lever is connected with the rear lever through telescopic machanism, set up threaded hole on the front lever, threaded hole female connection has the threaded rod, the threaded rod passes the both ends of threaded hole respectively and extends to the front lever both ends, the lower extreme of threaded rod is connected with the supporting seat, the articulated base of installing on the pole wall of rear lever, the upper end of rear lever is connected with the measurement station bolt, the right side of rear lever is provided with the percentage table support, the upper end of percentage table support is connected with the percentage table; the telescopic mechanism comprises a telescopic block, a telescopic groove, a limiting block, a spring, a limiting rod and a plurality of clamping grooves, wherein the telescopic block is connected to one side, close to the dial indicator support, of the front lever. The utility model discloses can adjust the length of lever, can adapt to different road surface length, save people's time and energy.

Description

Pavement deflection detection device
Technical Field
The utility model relates to a road surface deflectometer technical field especially relates to a road surface deflection detection device.
Background
The deflection test is based on the control detection of roadbed construction such as expressways, bridges and tunnels, and the like, and provides a control index for detecting the roadbed by using a Falling Weight Deflectometer (FWD) and a Beckman beam BB) and performing correlation analysis on the roadbed with different road sections and different soil qualities.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the pull wire pole is slow in the prior art, the wire rope bears the pull force great and removes the easy slope of fixed back wire pole, and the pavement deflection detection device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pavement deflection detection device comprises a front lever, wherein the front lever is connected with a rear lever through a telescopic mechanism, the front lever is provided with a threaded hole, the threaded hole is internally threaded with a threaded rod, the threaded rod respectively penetrates through two ends of the threaded hole and extends towards two ends of the front lever, the lower end of the threaded rod is connected with a supporting seat, a base is hinged on the rod wall of the rear lever, the upper end of the rear lever is connected with a measuring point bolt, the right side of the rear lever is provided with a dial indicator support, and the upper end of the dial indicator support is connected with a dial indicator;
the telescopic mechanism comprises a telescopic block, a telescopic groove, a limiting block, a spring, a limiting rod and a plurality of clamping grooves, the telescopic block is connected to one side, close to the dial indicator bracket, of the front lever, the telescopic groove is formed in one side, close to the front lever, of the rear lever, one end, far away from the front lever, of the telescopic block penetrates through a notch of the telescopic groove and extends towards the inside of the telescopic groove, the limiting groove is formed in the groove wall of the telescopic groove, the clamping grooves are uniformly and orderly formed in the upper end of the telescopic block along the horizontal direction, one end of the limiting block is arranged in the limiting groove, the other end of the limiting block penetrates through the notch of the limiting groove and a notch of a corresponding clamping groove and extends towards the inside of the clamping groove, one end of the limiting rod is connected to one end, close to the bottom of the limiting groove, of the other end of the limiting rod penetrates, one end of the spring is connected to the bottom of the limiting groove, and the other end of the spring is connected to one end, close to the bottom of the limiting groove, of the limiting block.
Preferably, the side wall of the front lever is connected with a pull rod, and one end of the pull rod, which is far away from the front lever, is connected with a pull handle.
Preferably, one end, far away from the clamping groove, of the limiting rod is connected with a handle, and anti-skidding lines are arranged on the handle.
Preferably, the lower end of the supporting seat is connected with a wear-resistant layer.
Preferably, the four corners of the lower end of the base are connected with self-locking wheels.
Preferably, the dial indicator is connected with a protective cover, and the protective cover is connected with a dustproof film.
Compared with the prior art, the utility model provides a road surface deflection detection device possesses following beneficial effect:
this road surface deflection detection device has constituted the telescoping device through having set up flexible piece, flexible groove, spacing groove, stopper, spring, gag lever post and draw-in groove, so can adjust the length of lever, can adapt to different road surface length, has saved people's time and energy.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can adjust the length of lever, can adapt to different road surface length, save people's time and energy.
Drawings
Fig. 1 is a schematic structural view of a pavement deflection detection device provided by the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: the wheel comprises a front lever 1, a telescopic mechanism 2, a telescopic block 21, a telescopic groove 22, a limiting groove 23, a limiting block 24, a spring 25, a limiting rod 26, a clamping groove 27, a rear lever 3, bases 4, 5, 6 and 7, a measuring point bolt 8, a dial indicator support 9, a dial indicator 10, a pull rod 11 and a self-locking wheel 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a pavement deflection detection device comprises a front lever 1, wherein the front lever 1 is connected with a rear lever 3 through a telescopic mechanism 2, the front lever 1 is provided with a threaded hole 4, the threaded hole 4 is internally threaded with a threaded rod 5, the threaded rod 5 respectively passes through two ends of the threaded hole 4 and extends towards two ends of the front lever 1, the lower end of the threaded rod 5 is connected with a supporting seat 6, a base 7 is hinged on the rod wall of the rear lever 3, the upper end of the rear lever 3 is connected with a measuring point bolt 8, the right side of the rear lever 3 is provided with a dial indicator support 9, and the upper end of the dial indicator support 9 is;
the telescopic mechanism 2 comprises a telescopic block 21, a telescopic groove 22, a limiting groove 23, a limiting block 24, a spring 25, a limiting rod 26 and a plurality of clamping grooves 27, wherein the telescopic block 21 is connected to one side of the front lever 1 close to the dial indicator support 9, the telescopic groove 22 is formed in one side of the rear lever 3 close to the front lever 1, one end of the telescopic block 21, far away from the front lever 1, penetrates through a notch of the telescopic groove 22 and extends into the telescopic groove 22, the limiting groove 23 is formed in the groove wall of the telescopic groove 22, the plurality of clamping grooves 27 are uniformly and orderly formed in the upper end of the telescopic block 21 along the horizontal direction, one end of the limiting block 24 is arranged in the limiting groove 23, the other end of the limiting block 24 penetrates through the notch of the limiting groove 23 and the notch of the corresponding clamping groove 27 and extends into the clamping groove 27, one end of the limiting rod 26 is connected to one end of the limiting block 24, the other end of the, spring 25 cover is established on the pole wall of gag lever post 26, the tank bottom at spacing groove 23 is connected to spring 25's one end, spring 25's the other end is connected in the one end that stopper 24 is close to spacing groove 23 tank bottom, when the length of lever needs to be adjusted, through the handle during the upwards pull-up gag lever post 26, make stopper 24 pull out and compression spring 25 from draw-in groove 27, and lever 1 before outwards pulling, when adjusting suitable length, loosen the handle, spring 25 recovers and supports stopper 24 to corresponding draw-in groove 27, so can adjust the length of lever rod, can adapt to different road surface length, people's time and energy have been saved.
The side wall of the front lever 1 is connected with a pull rod 11, and one end, far away from the front lever 1, of the pull rod 11 is connected with a pull handle, so that the front lever 1 can be conveniently pulled.
The one end that gag lever post 26 kept away from draw-in groove 27 is connected with the handle, is provided with anti-skidding line on hand, so can conveniently stimulate gag lever post 26.
The lower extreme of supporting seat 6 is connected with the wearing layer, so can protect supporting seat 6 lower extreme.
The lower extreme four corners department of base 7 all is connected with auto-lock wheel 12, so can remove detection device.
The dial indicator 10 is connected with a protective cover, and the protective cover is connected with a dustproof film, so that the dial indicator 10 can be protected.
The utility model discloses in, when the length of lever needs to be adjusted, through the handle during to the gag lever post 26 of upwards pulling for stopper 24 is pulled out and compression spring 25 from draw-in groove 27, and outwards pulls preceding lever 1, when adjusting suitable length, loosens the handle, and spring 25 recovers and supports stopper 24 to corresponding draw-in groove 27, so can adjust the length of lever, can adapt to different road surface length, has saved people's time and energy.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The pavement deflection detection device comprises a front lever (1) and is characterized in that the front lever (1) is connected with a rear lever (3) through a telescopic mechanism (2), the front lever (1) is provided with a threaded hole (4), the threaded hole (4) is in threaded connection with a threaded rod (5), the threaded rod (5) respectively penetrates through two ends of the threaded hole (4) and extends towards two ends of the front lever (1), the lower end of the threaded rod (5) is connected with a supporting seat (6), a base (7) is hinged on the rod wall of the rear lever (3), the upper end of the rear lever (3) is connected with a measuring point bolt (8), a dial indicator support (9) is arranged on the right side of the rear lever (3), and the upper end of the dial indicator support (9) is connected with a dial indicator (10);
the telescopic mechanism (2) comprises a telescopic block (21), a telescopic groove (22), a limiting groove (23), a limiting block (24), a spring (25), a limiting rod (26) and a plurality of clamping grooves (27), wherein the telescopic block (21) is connected to one side, close to the dial indicator bracket (9), of the front lever (1), the telescopic groove (22) is formed in one side, close to the front lever (1), of the rear lever (3), one end, far away from the front lever (1), of the telescopic block (21) penetrates through a notch of the telescopic groove (22) and extends towards the inside of the telescopic groove (22), the limiting groove (23) is formed in the groove wall of the telescopic groove (22), the plurality of clamping grooves (27) are uniformly and orderly formed in the upper end of the telescopic block (21) in the horizontal direction, one end of the limiting block (24) is arranged in the limiting groove (23), and the other end of the limiting block (24) penetrates through a notch of the limiting groove (23) and a notch of the corresponding clamping groove (27) and extends towards the inside of, the one end of gag lever post (26) is connected in the one end that stopper (24) is close to spacing groove (23) tank bottom, the tank bottom that spacing groove (23) was run through to the other end of gag lever post (26) extends outward to back lever (3), spring (25) cover is established on the pole wall of gag lever post (26), the tank bottom in spacing groove (23) is connected to the one end of spring (25), the one end that stopper (24) is close to spacing groove (23) tank bottom is connected to the other end of spring (25).
2. The pavement deflection detection device according to claim 1, characterized in that a pull rod (11) is connected to the side wall of the front lever (1), and a pull handle is connected to one end of the pull rod (11) far away from the front lever (1).
3. The pavement deflection detection device according to claim 1, wherein a handle is connected to one end of the limiting rod (26) far away from the clamping groove (27), and anti-skid lines are arranged on the handle.
4. A pavement deflection detection apparatus according to claim 1, wherein a wear layer is attached to the lower end of the support base (6).
5. The pavement deflection detection device according to claim 1, wherein self-locking wheels (12) are connected to four corners of the lower end of the base (7).
6. The pavement deflection detection apparatus according to claim 1, wherein a protective cover is connected to the dial indicator (10), and a dust-proof film is connected to the protective cover.
CN202020507932.6U 2020-04-09 2020-04-09 Pavement deflection detection device Active CN211904955U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020507932.6U CN211904955U (en) 2020-04-09 2020-04-09 Pavement deflection detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020507932.6U CN211904955U (en) 2020-04-09 2020-04-09 Pavement deflection detection device

Publications (1)

Publication Number Publication Date
CN211904955U true CN211904955U (en) 2020-11-10

Family

ID=73273994

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020507932.6U Active CN211904955U (en) 2020-04-09 2020-04-09 Pavement deflection detection device

Country Status (1)

Country Link
CN (1) CN211904955U (en)

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