CN208109609U - A kind of drop hammer deflection meter - Google Patents
A kind of drop hammer deflection meter Download PDFInfo
- Publication number
- CN208109609U CN208109609U CN201820355154.6U CN201820355154U CN208109609U CN 208109609 U CN208109609 U CN 208109609U CN 201820355154 U CN201820355154 U CN 201820355154U CN 208109609 U CN208109609 U CN 208109609U
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- fixedly connected
- station
- slide bar
- hammer
- slot
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- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a kind of drop hammer deflection meter, including station, the station bottom is fixedly connected with bolster stake, right side at the top of the station is fixedly connected with slide bar, the slide bar is provided with altitude scale table by the surface of close over, the surface of the slide bar is arranged and slidably connects mobile sliding block, the side of the mobile sliding block is fixedly connected with tuning drive gear, the mobile sliding block is fixedly connected with connecting rod close to the side of tuning drive gear, middle position at the top of the station is fixedly connected with the slot that drops hammer, one end that the connecting rod is located inside the slot that drops hammer is fixedly connected with the clamping device that drops hammer, the utility model relates to benkelman beams deflectometer technical fields.The drop hammer deflection meter has reached and has accurately adjusted adjustable height according to the position of scale and pointer, staff is facilitated to operate, while having improved testing efficiency, reduces when weight fixes to clamp and generates height tolerance, improves the purpose of instrument test precision.
Description
Technical field
The utility model relates to benkelman beams deflectometer technical field, specially a kind of drop hammer deflection meter.
Background technique
Benkelman beams deflectometer is measured suitable for road surface rebound deflection value, to evaluate the integral strength on road surface.Flexure be Road Design and
One of important technology index of highway engineering quality status evaluation, it reflects the integral strength of each level in road surface on the whole,
The intensity of roadbed is generally reflected with the modulus of resilience.If deflection value is excessive, deformation is also bigger, and each layer in road surface is also easy for
Rupture.Deflection value is excessive, material properties of the reason generally with each layer in road surface, thickness, and globality is related.
Deflection value refers under the effect of defined standard axle load, total vertical change that roadbed or road surface wheel gap position generate
Shape (total flexure) rebounds vertically deformation values (rebound deflection), as unit of 0.01mm.Usually said rebound deflection value is
The quasi- rear axle of index carries the maximum rebound deflection value at two-wheel group wheel gap center.The rebound deflection value that table is tested on road can reflect road
The comprehensive load capacity on base road surface.The design strength for calculating deflection value and roadbed and road surface has direct relation, calculates deflection value and gets over
Small, the intensity on roadbed and road surface is higher.Road surface thickness can be calculated with design deflection value.Deflection value measurement can examine applying for roadbed
Whether work reaches design strength requirement.Deflection value is a basic parameter of highway engineering, so correctly test is with important
Meaning.Drop hammer deflection meter, hydraulic system under being controlled by computer simultaneously freely fall weight, and the impact force of weight passes through
4 fraction fanning strips apply impulsive load to road surface, cause road surface to generate flexure, are distributed in different distance on deflection testing device
Sensor detects the deformation of road table, and record system inputs a signal into computer, obtains the flexure and deflection basin of road surface measuring point.
The height of the fall needs of drop hammer deflection meter adjustment at present manually adjust, and assist without practical scale, adjust
Precision is low, while dropping hammer and will appear the deviation of height when clamping, and increases the error of instrument detection data, reduces detection accuracy.
Utility model content
To solve the above problems, solving and falling at present the purpose of this utility model is to provide a kind of drop hammer deflection meter
Hammer benkelman beams deflectometer adjustment height of the fall needs manually adjust and that practical scale does not assist, degree of regulation is low while dropping hammer
The deviation that will appear height when clamping, reduces the problem of detection accuracy at the error for increasing instrument detection data.
To achieve the above object, the technical solution that the utility model is taken is：A kind of drop hammer deflection meter, including operation
Platform, the station bottom are fixedly connected with bolster stake, and the left pivot movement at the top of the station is connected with threaded rod, the spiral shell
Rasp bar surface is arranged and is threaded with thread slider, and the right side at the top of the station is fixedly connected with slide bar, the slide bar
The surface of close over is provided with altitude scale table, the surface of the slide bar is arranged and slidably connects mobile sliding block, the shifting
The side of movable slider is fixedly connected with tuning drive gear, and the mobile sliding block is fixedly connected with connection close to the side of tuning drive gear
Bar, the middle position at the top of the station are fixedly connected with the slot that drops hammer, and the two sides of the slot that drops hammer offer grooving, described
Connecting rod is through grooving and extends to the left side of the slot that drops hammer, and the left side that the connecting rod is located at the slot that drops hammer is fixed with thread slider
Connection, the connecting rod are located at the one end dropped hammer inside slot and are fixedly connected with the clamping device that drops hammer, at the top of the station in
Between position be fixedly connected with limitation grooving, through there is drive rod inside the limitation grooving, the drive rod is located at limitation grooving
The position of lower section is fixedly connected with four fraction sector loading plates.
Preferably, the side at the top of the station close to threaded rod is fixedly connected with motor, the motor it is defeated
Active runner is fixedly connected on shaft.
Preferably, the threaded rod is fixedly connected with driven runner close to bottom position, and the active runner passes through belt
It is sequentially connected with driven runner.
Preferably, the clamping device fixed frame that drops hammer, the two sides of the fixed frame are fixedly connected with the connecting rod, described
Middle position inside fixed frame is fixedly connected with limit slide bar.
Preferably, the middle position of the limit slide bar is fixedly connected with block, on the limit slide bar and positioned at block
Two sides slidably connect transmission clamping bar.
Preferably, the fixed frame two sides pass through hydraulic telescopic rod and transmission clamping bar rotation connection, the transmission clamping bar
Side be fixedly connected with clip slot.
Compared with prior art, the utility model has the advantages that：
1, the utility model is powered by motor and is rotated, and motor drives threaded rod to rotate by belt, thread slider
It is moved up and down on threaded rod surface, so that mobile sliding block slides on slide bar, according between tuning drive gear and altitude scale table
Adjustment height in position has reached and has accurately been adjusted according to the position of scale and pointer to drive clamping device adjustment height of dropping hammer
Adjustable height facilitates staff to operate, while improving the purpose of testing efficiency.
2, the utility model is stretched out by hydraulic telescopic rod, and hydraulic telescopic rod drives transmission clamping bar to think that middle position is mobile,
Transmission clamping bar keeps moving horizontally under the action of limiting slide bar, and deviation is not generated on vertical direction, so that clip slot be driven to stablize
It clamps and drops hammer, hydraulic telescopic rod is shunk when test, so that clip slot release is dropped hammer, drops hammer and accelerate to contact with drive rod by gravity,
The impact force of weight applies impulsive load to road surface by four fraction sector loading plates, causes road surface to generate flexure, has reached drop
Low weight generates height tolerance when fixing to clamp, improve the purpose of instrument test precision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of clamping device of dropping hammer in the utility model.
Description of symbols：
1, station；2, bolster stake；3, threaded rod；4, thread slider；5, slide bar；6, altitude scale table；7, mobile sliding block；
8, tuning drive gear；9, connecting rod；10, drop hammer slot；11, grooving；12, drop hammer clamping device；121, fixed frame；122, limit is slided
Bar；123, block；124, it is driven clamping bar；125, hydraulic telescopic rod；126, clip slot；13, grooving is limited；14, drive rod；15, four
Fraction sector loading plate；16, motor；17, active runner；18, driven runner；19, belt.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
It please referring to shown in 1~Fig. 3 of Figure of description, the utility model is a kind of drop hammer deflection meter, including station 1,
1 bottom of station is fixedly connected with bolster stake 2, and the left pivot movement at 1 top of station is connected with threaded rod 3,3 surface of threaded rod set
And if be threaded with thread slider 4, the right side at the top of station 1 is fixedly connected with slide bar 5, and slide bar 5 leans on the surface of close over
It is provided with altitude scale table 6, the surface of slide bar 5 is arranged and slidably connects mobile sliding block 7, and the side of mobile sliding block 7 is fixed to be connected
Be connected to tuning drive gear 8, mobile sliding block 7 is fixedly connected with connecting rod 9 close to the side of tuning drive gear 8, reached according to scale with
The position of pointer accurately adjusts adjustable height, and staff is facilitated to operate, while improving the purpose of testing efficiency.
The middle position at 1 top of station is fixedly connected with the slot 10 that drops hammer, and the two sides for the slot 10 that drops hammer offer set
Slot 11, connecting rod 9 is through grooving 11 and extends to the left side of the slot 10 that drops hammer, and connecting rod 9 is located at left side and the spiral shell for the slot 10 that drops hammer
Line sliding block 4 is fixedly connected, and one end that connecting rod 9 is located inside the slot 10 that drops hammer is fixedly connected with the clamping device 12 that drops hammer, station 1
The middle position at top is fixedly connected with restricted grooving 13, limits through there is drive rod 14 inside grooving 13, drive rod 14 is located at
The position of 13 lower section of limitation grooving is fixedly connected with four fraction sector loading plates 15.1 top of station is close to the side of threaded rod 3
It is fixedly connected with motor 16, active runner 17 is fixedly connected on the output shaft of motor 16.Threaded rod 3 is close to bottom position
It is fixedly connected with driven runner 18, active runner 17 is sequentially connected by belt 19 and driven runner 18.Drop hammer clamping device 12
Fixed frame 121, the two sides of fixed frame 121 are fixedly connected with connecting rod 9, and the middle position inside fixed frame 121 is fixedly connected
There is limit slide bar 122.The middle position of limit slide bar 122 is fixedly connected with block 123, limits on slide bar 122 and is located at block
123 two sides slidably connect transmission clamping bar 124.121 two sides of fixed frame pass through hydraulic telescopic rod 125 and transmission clamping bar 124
The side of rotation connection, transmission clamping bar 124 is fixedly connected with clip slot 126.Reach and has generated height when reduction weight fixes to clamp
Deviation improves the purpose of instrument test precision.
It is rotated in use, being powered by motor 16, motor 16 drives threaded rod 3 to rotate by belt 19, and screw thread is sliding
Block 4 moves up and down on 3 surface of threaded rod, so that mobile sliding block 7 slides on slide bar 5, according to tuning drive gear 8 and altitude scale table
Position between 6 adjusts height, to drive the adjustment height of clamping device 12 of dropping hammer, has reached the position according to scale and pointer
Accurate adjustment adjustable height, facilitates staff to operate, while improving the purpose of testing efficiency.It is stretched by hydraulic telescopic rod 125
Out, hydraulic telescopic rod 125 drives transmission clamping bar 124 to think that middle position is mobile, effect of the transmission clamping bar 124 in limit slide bar 122
Lower holding moves horizontally, and deviation is not generated on vertical direction, clamps and drops hammer so that clip slot 126 be driven to stablize, and when test is hydraulic to stretch
Contracting bar 125 is shunk, so that the release of clip slot 126 is dropped hammer, is dropped hammer and is accelerated to contact with drive rod 14 by gravity, and the impact force of weight is logical
It crosses four fraction sector loading plates 15 and applies impulsive load to road surface, cause road surface to generate flexure, reached reduction weight fixing clamp
Height tolerance is generated when tight, improves the purpose of instrument test precision.
Above specific embodiment is only the preferred embodiment of this creation, all in this wound not to limit this creation
Any modification, equivalent substitution, improvement and etc. done within the spirit and principle of work, should be included in this creation protection scope it
It is interior.
Claims (6)
1. a kind of drop hammer deflection meter, including station (1), which is characterized in that station (1) bottom, which is fixedly connected with, holds
It carries column (2), the left pivot movement at the top of the station (1) is connected with threaded rod (3), and threaded rod (3) surface is arranged and spiral shell
Line is connected with thread slider (4), and the right side at the top of the station (1) is fixedly connected with slide bar (5), and the slide bar (5) is close
The surface of top is provided with altitude scale table (6), and the surface of the slide bar (5) is arranged and slidably connects mobile sliding block (7), institute
The side for stating mobile sliding block (7) is fixedly connected with tuning drive gear (8), side of the mobile sliding block (7) close to tuning drive gear (8)
It is fixedly connected with connecting rod (9), the middle position at the top of the station (1) is fixedly connected with the slot that drops hammer (10), described to drop hammer
The two sides of slot (10) offer grooving (11), and the connecting rod (9) is through grooving (11) and extends to the slot that drops hammer (10)
Left side, the left side that the connecting rod (9) is located at the slot (10) that drops hammer are fixedly connected with thread slider (4), and the connecting rod (9) is located at
The internal one end of the slot (10) that drops hammer is fixedly connected with the clamping device that drops hammer (12), and the middle position at the top of the station (1) is solid
Surely it connects restricted grooving (13), through having drive rod (14) inside the limitation grooving (13), the drive rod (14) is located at
Position below limitation grooving (13) is fixedly connected with four fraction sector loading plates (15).
2. drop hammer deflection meter according to claim 1, which is characterized in that close to threaded rod at the top of the station (1)
(3) side is fixedly connected with motor (16), is fixedly connected with active runner (17) on the output shaft of the motor (16).
3. drop hammer deflection meter according to claim 2, which is characterized in that the threaded rod (3) is solid close to bottom position
Surely it is connected with driven runner (18), the active runner (17) is sequentially connected by belt (19) and driven runner (18).
4. drop hammer deflection meter according to claim 1, which is characterized in that the clamping device that drops hammer (12) fixed frame
(121), the two sides of the fixed frame (121) are fixedly connected with connecting rod (9), the internal interposition of the fixed frame (121)
It sets and is fixedly connected with limit slide bar (122).
5. drop hammer deflection meter according to claim 4, which is characterized in that the middle position of limit slide bar (122)
It is fixedly connected with block (123), slidably connects transmission folder on the limit slide bar (122) and positioned at block (123) two sides
Bar (124).
6. drop hammer deflection meter according to claim 4, which is characterized in that fixed frame (121) two sides pass through liquid
Telescopic rod (125) and transmission clamping bar (124) rotation connection are pressed, the side of transmission clamping bar (124) is fixedly connected with clip slot
(126)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820355154.6U CN208109609U (en) | 2018-03-15 | 2018-03-15 | A kind of drop hammer deflection meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820355154.6U CN208109609U (en) | 2018-03-15 | 2018-03-15 | A kind of drop hammer deflection meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109609U true CN208109609U (en) | 2018-11-16 |
Family
ID=64126649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820355154.6U Expired - Fee Related CN208109609U (en) | 2018-03-15 | 2018-03-15 | A kind of drop hammer deflection meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855696A (en) * | 2022-12-21 | 2023-03-28 | 常州海辰装饰材料有限公司 | IXPE punches and adds PE membrane elasticity test device that shocks resistance |
| CN115855696B (en) * | 2022-12-21 | 2024-04-26 | 常州海辰装饰材料有限公司 | IXPE punches and adds PE membrane elasticity testing arrangement that shocks resistance |
-
2018
- 2018-03-15 CN CN201820355154.6U patent/CN208109609U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855696A (en) * | 2022-12-21 | 2023-03-28 | 常州海辰装饰材料有限公司 | IXPE punches and adds PE membrane elasticity test device that shocks resistance |
| CN115855696B (en) * | 2022-12-21 | 2024-04-26 | 常州海辰装饰材料有限公司 | IXPE punches and adds PE membrane elasticity testing arrangement that shocks resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20181116 |