CN217352044U - Portable benkelman of integration - Google Patents
Portable benkelman of integration Download PDFInfo
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- CN217352044U CN217352044U CN202220385347.2U CN202220385347U CN217352044U CN 217352044 U CN217352044 U CN 217352044U CN 202220385347 U CN202220385347 U CN 202220385347U CN 217352044 U CN217352044 U CN 217352044U
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- shell
- detection rod
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- 230000010354 integration Effects 0.000 title abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 104
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a portable deflectometer of integration mainly relates to road detection field. The device comprises a detection arm and a supporting seat, wherein the detection arm is rotatably arranged on the supporting seat, and a detection head is arranged at the front end of the detection arm; the detection arm rear end is equipped with detection mechanism, and detection mechanism includes detector and test rod, and the detection arm rear end is equipped with the installation cavity that suits with the detector, and the detector rotates to be established in the installation cavity, and the test rod slides and establishes on the detector, and the detection arm rear end is equipped with the notch that suits with the detector, and the notch is including accomodating groove and work groove. The beneficial effects of the utility model reside in that: through electronic detection appearance, progressively calculate the deflection value, guaranteed the accuracy nature of detecting numerical value, through setting up electronic detection appearance and detection arm integration, make things convenient for accomodating and the transport of deflection appearance, can also prevent that detection mechanism from damaging.
Description
Technical Field
The utility model relates to a road detection field specifically is a portable deflectometer of integration.
Background
The deflection is one of important technical indexes for evaluating the quality conditions of highway design and highway engineering, the integral strength of each level of a pavement is reflected on the whole, and the strength of a roadbed is generally reflected by the modulus of resilience. If the deflection value is too large, the deformation of the road surface is larger, and each layer of the road surface is easy to break. The deflection value is too high, and the reason is generally related to the material property, thickness and integrity of each layer of the pavement.
The deflection value refers to the total vertical deformation (total deflection) or the vertical rebound deformation value (rebound deflection) generated at the wheel clearance position of the roadbed or the road surface under the specified standard axle load, and the unit is 0.01 mm. The deformation amount and the rebound amount of the road surface under standard pressure are detected. The resilience deflection value tested on the road surface can reflect the comprehensive bearing capacity of the roadbed and the road surface. The calculated deflection value has a direct relation with the design strength of the roadbed and the road surface, and the smaller the calculated deflection value is, the higher the strength of the roadbed and the road surface is. The deflection value measurement can be used for checking whether the construction of the roadbed meets the design strength requirement.
The existing deflection detection method mainly comprises a drop hammer type detection method and a Beckman beam method, wherein a Beckman deflection instrument used by the Beckman beam method mainly comprises a Beckman beam, a dial indicator and a dial indicator frame.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable deflectometer of integration, it passes through electronic detector, calculates the deflection value is progressive, can guarantee to detect numerical accuracy nature, through setting up electronic detector and detection arm integration, can make things convenient for accomodating and carrying of deflectometer, can also prevent that detection mechanism from damaging.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
an integrated portable deflectometer comprises a detection arm and a supporting seat, wherein the detection arm is rotatably arranged on the supporting seat, and the front end of the detection arm is provided with a detection head;
the rear end of the detection arm is provided with a detection mechanism, the detection mechanism comprises a detector and a detection rod, the rear end of the detection arm is provided with an installation cavity matched with the detector, the detector is rotatably arranged in the installation cavity, the detection rod is slidably arranged on the detector, the rear end of the detection arm is provided with a notch matched with the detector, and the notch comprises an accommodating groove and a working groove;
the detector is an electronic detector which comprises an operation terminal, a shell, a guide wheel and a transmission roller, wherein the shell is rotatably arranged in the installation cavity, and the operation terminal is arranged in the shell;
the detection rod is arranged on the shell in a sliding mode through the through hole, two pairs of guide wheels are arranged in a manner of being matched with the detection rod, and the two pairs of guide wheels are respectively arranged on the upper side and the lower side of the shell to limit the detection rod;
the transmission roller is arranged on the operation terminal and is adapted to the detection rod, and when the detection rod slides up and down, the transmission roller can be driven to rotate;
and an angle sensor for detecting the rotation of the transmission roller is arranged in the operation terminal.
And the detection rod is provided with an anti-skid bulge.
The detection arm is divided into a front arm and a rear arm, and the rear arm is rotatably arranged on the supporting seat;
the front arm and the rear arm are detachably connected in an inserting mode, a sliding groove is formed in the front arm, a connecting block matched with the sliding groove is formed in the rear arm, and the opening of the sliding groove is downward.
Contrast prior art, the beneficial effects of the utility model reside in that:
1. the detector and the detection arm are integrally arranged, so that the detector can be prevented from being lost in the transportation process, and the device is convenient to carry.
2. The detector is arranged in the mounting cavity in a rotating mode, the detection rod is driven to enter the accommodating groove (the state change process of C → B → A shown in the attached drawing figure 4) by rotating the detector when the detection rod slides downwards to the lowest position (the state of C shown in the attached drawing figure 4) so as to be convenient for accommodating the device and prevent the detection mechanism from being damaged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of the electronic detector of the present invention.
Fig. 4 is a schematic diagram of the storage and taking-out process of the detection rod of the present invention.
Fig. 5 is a schematic view of the usage state of the present invention.
The reference numbers shown in the figures:
1. a detection arm; 2. a supporting seat; 3. a detection head; 4. a detection mechanism; 5. a detector; 6. a detection lever; 7. a mounting cavity; 8. a notch; 9. a receiving groove; 10. a working groove; 11. an operation terminal; 12. a housing; 13. a guide wheel; 14. a transmission roller; 15. a through hole; 16. anti-skid protrusions; 17. a forearm; 18. a rear arm; 19. a chute; 20. and (4) connecting the blocks.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
The utility model relates to an integrated portable deflectometer, the main structure of which comprises a detection arm 1 and a supporting seat 2, wherein the detection arm 1 is rotatably arranged on the supporting seat 2, and the front end of the detection arm 1 is provided with a detection head 3;
the rear end of the detection arm 1 is provided with a detection mechanism 4, the detection mechanism 4 comprises a detector 5 and a detection rod 6, the rear end of the detection arm 1 is provided with a mounting cavity 7 matched with the detector 5, the detector 5 is rotatably arranged in the mounting cavity 7, the detection rod 6 is slidably arranged on the detector 5, the detection rod 6 is a solid metal rod with bosses at two ends, in the using process of the device (shown in figure 5 in the specification), the bottom of the detection rod 6 is contacted with the ground through self gravity, when the height of the detection head 3 is changed, the detection arm 1 rotates around a supporting point by taking the supporting seat 2 as the supporting point, so that the distance between the rear end of the detection arm 1 and the bottom surface is changed, the displacement between the detection rod 6 and the detector 5 is realized, and the displacement in the horizontal direction can be generally ignored when the detection is carried out, and the displacement distance is smaller. The rear end of the detection arm 1 is provided with a notch 8 adapted to the detector 5, the notch 8 comprises a storage groove 9 and a working groove 10, when the detector 5 rotates in the mounting cavity 7, the detector 5 can drive the detection rod 6 to move together, the detection rod 6 is stored in the storage groove 9 by rotating the detector 5 (as shown in the state change process of C → B → A in the attached drawing 4 of the specification), and the detection rod 6 is taken out of the storage groove 9 (as shown in the state change process of A → B → C in the attached drawing 4 of the specification);
the detector 5 is an electronic detector 5, the electronic detector 5 comprises an operation terminal 11, a shell 12, a guide wheel 13 and a transmission roller 14, the shell 12 is rotatably arranged in the installation cavity 7, and the operation terminal 11 is arranged in the shell 12;
the shell 12 is provided with a through hole 15, the detection rod 6 is arranged on the shell 12 in a sliding manner through the through hole 15, two pairs of guide wheels 13 are arranged in a manner of being matched with the detection rod 6, the two pairs of guide wheels 13 are respectively arranged at the upper side and the lower side in the shell 12 to limit the detection rod 6, and when the detection rod 6 slides, the guide wheels 13 can limit the detection rod 6 to prevent the detection rod 6 from rubbing with the edge of the through hole 15, so that the detection rod 6 can freely slide on the detector 5;
the transmission roller 14 is arranged on the operation terminal 11 and is adapted to the detection rod 6, and when the detection rod 6 slides up and down, the transmission roller 14 can be driven to rotate;
an angle sensor for detecting the rotation of the transmission roller 14 is arranged in the operation terminal 11,
d is the diameter of the drive roller 14; s is the displacement between the detection rod 6 and the detector 5; delta w is the angle variation detected by the angle sensor; pi is the circumference ratio;
d and pi are fixed values, and substituting the delta w detected by the angle sensor by the operation terminal 11 into an arc length formula:
s＝π·d·△w/360°
the displacement s between the detection rod 6 and the detector 5 is obtained,
as shown in fig. 5 of the accompanying drawings, the state D is the position of the detection head 3 when the detector 5 takes the maximum value, the state E is the position of the detection head 3 when the detector 5 takes the stable value, the state F is the ground, the distance from the support base 2 to the detection head 3 is L1, the distance from the support base 2 to the detector 5 is L2, the deflection value is x, and the following is derived through the pythagorean theorem: x: s ═ L1: L2, giving in turn: and x is s-L1/L2, and the formula of the previous displacement s is substituted to obtain:
x＝s·L1·π·d·△w/(360°×L2)。
be equipped with on the measuring pole 6 anti-skidding arch 16, anti-skidding arch 16 sets up on measuring pole 6, can prevent to take place to slide between measuring pole 6 and the drive roller 14, guarantees that can effectively say east drive roller 14 and rotate when measuring pole 6 slides.
The detection arm 1 is divided into a front arm 17 and a rear arm 18, the rear arm 18 is rotatably arranged on the supporting seat 2, and the detection arm 1 is arranged in a separated manner, so that the detection arm can be conveniently transported and stored;
preceding arm 17 and postbrachium 18 can dismantle the link through the mode of pegging graft, be equipped with spout 19 on the preceding arm 17, be equipped with the connecting block 20 that suits with spout 19 on the postbrachium 18, 19 openings of spout are downward, because preceding arm 17 is lighter, set up spout 19 that open side down on preceding arm 17, can be convenient for assemble, and gravity through preceding arm 17 makes between spout 19 and the connecting block 20 fixed.
Claims (3)
1. An integrated portable deflectometer comprises a detection arm (1) and a supporting seat (2), wherein the detection arm (1) is rotatably arranged on the supporting seat (2), and a detection head (3) is arranged at the front end of the detection arm (1); the method is characterized in that:
the detection device is characterized in that a detection mechanism (4) is arranged at the rear end of the detection arm (1), the detection mechanism (4) comprises a detector (5) and a detection rod (6), a mounting cavity (7) which is adaptive to the detector (5) is arranged at the rear end of the detection arm (1), the detector (5) is rotatably arranged in the mounting cavity (7), the detection rod (6) is slidably arranged on the detector (5), a notch (8) which is adaptive to the detector (5) is arranged at the rear end of the detection arm (1), and the notch (8) comprises an accommodating groove (9) and a working groove (10);
the detector (5) is an electronic detector (5), the electronic detector (5) comprises an operation terminal (11), a shell (12), a guide wheel (13) and a transmission roller (14), the shell (12) is rotatably arranged in the installation cavity (7), and the operation terminal (11) is arranged in the shell (12);
the detection device is characterized in that a through hole (15) is formed in the shell (12), the detection rod (6) is arranged on the shell (12) in a sliding mode through the through hole (15), two pairs of guide wheels (13) are arranged in the shell (12) in a matching mode with the detection rod (6), and the two pairs of guide wheels (13) are arranged on the upper side and the lower side in the shell (12) respectively to limit the detection rod (6);
the transmission roller (14) is arranged on the operation terminal (11) and is adapted to the detection rod (6), and when the detection rod (6) slides up and down, the transmission roller (14) can be driven to rotate;
an angle sensor for detecting the rotation of the transmission roller (14) is arranged in the operation terminal (11).
2. The integrated portable deflectometer of claim 1, wherein: and the detection rod (6) is provided with an anti-skid bulge (16).
3. The integrated portable deflectometer of claim 2, wherein: the detection arm (1) is divided into a front arm (17) and a rear arm (18), and the rear arm (18) is rotatably arranged on the supporting seat (2);
preceding arm (17) and postbrachium (18) can be dismantled the link through the mode of pegging graft, be equipped with spout (19) on preceding arm (17), be equipped with connecting block (20) that suit with spout (19) on postbrachium (18), spout (19) opening is down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220385347.2U CN217352044U (en) | 2022-02-24 | 2022-02-24 | Portable benkelman of integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220385347.2U CN217352044U (en) | 2022-02-24 | 2022-02-24 | Portable benkelman of integration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217352044U true CN217352044U (en) | 2022-09-02 |
Family
ID=83046001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220385347.2U Expired - Fee Related CN217352044U (en) | 2022-02-24 | 2022-02-24 | Portable benkelman of integration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217352044U (en) |
-
2022
- 2022-02-24 CN CN202220385347.2U patent/CN217352044U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220902 |