CN211872944U - Device for rapidly detecting roadbed compactness - Google Patents
Device for rapidly detecting roadbed compactness Download PDFInfo
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- CN211872944U CN211872944U CN202020160783.0U CN202020160783U CN211872944U CN 211872944 U CN211872944 U CN 211872944U CN 202020160783 U CN202020160783 U CN 202020160783U CN 211872944 U CN211872944 U CN 211872944U
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Abstract
The utility model belongs to a device of short-term test road bed compactness, including the base plate, the up end intermediate position department of base plate is equipped with irritates a sand section of thick bamboo. The four corners of the base plate are provided with limiting block structures. A partition plate is horizontally arranged in the lower end of the sand filling cylinder, and a sand filling hole is formed in the middle of the lower end face of the partition plate. The lower end face of the partition plate is provided with a baffle plate for opening and closing the sand filling hole in a sliding mode, one side of the baffle plate is horizontally connected with a gear shaft, and the other end of the gear shaft penetrates through the side wall of the sand filling cylinder on the corresponding side in a sliding mode to be connected with the stop block into a whole. The outer side wall of the sand filling cylinder positioned below the gear shaft is provided with a fixed block, the middle shaft of the fixed block is provided with a handle shaft, a first handle is embedded into the front end face of the handle shaft, the rear end of the handle shaft is fixedly connected with a gear, and the gear is meshed with the gear shaft. The utility model overcomes prior art's is not enough, has simple structure, and the working property is reliable, and the flexible operation is laborsaving, detects the accuracy, extensive applicability and convenient to use's advantage.
Description
Technical Field
The utility model belongs to a device of short-term test road bed compactness.
Background
Subgrade compaction refers to the ratio of the compacted dry density of soil or other road-making material to the standard maximum dry density, expressed in percent. The roadbed compactness is one of key indexes for roadbed and pavement construction quality detection, the density condition after on-site compaction is ended, the higher the compactness is, the higher the density is, the better the overall performance of the material is, the roadbed compactness detection is performed by a ring cutter method, a sand filling method and a nuclear densitometer method, and the sand filling method is a common method for roadbed compactness detection. However, when the compaction degree of the roadbed is detected by using a sand filling method at present, certain defects still exist, when sand is filled, a person needs to hold the base plate, so that the base plate is not easy to control, the base plate is easy to shift, the detection result is easy to generate errors, the sand filling holes of the sand filling cylinder are difficult to control at present, the flowing speed of sand cannot be well controlled, and the detection efficiency of the compaction degree of the roadbed can be reduced.
Disclosure of Invention
The utility model aims at designing a device of short-term test road bed compactness can overcome the above-mentioned not enough, has simple structure, and the working property is reliable, and the flexible operation is laborsaving, detects the accuracy, extensive applicability and convenient to use's advantage.
Therefore, the utility model discloses a base plate, the up end intermediate position department of base plate is equipped with irritates a sand section of thick bamboo. An observation window is fixedly arranged on the front end face of the sand filling cylinder, and a graduated scale is arranged on the front end face of the observation window. The four corners of the base plate are provided with limiting block structures. A partition plate is horizontally arranged in the lower end of the sand filling cylinder, and a sand filling hole is formed in the middle of the lower end face of the partition plate. The lower end face of the partition plate is provided with a baffle plate for opening and closing the sand filling hole in a sliding mode, one side of the baffle plate is horizontally connected with a gear shaft, and the other end of the gear shaft penetrates through the side wall of the sand filling cylinder on the corresponding side in a sliding mode to be connected with the stop block into a whole. The side edges of the baffle plates on two sides perpendicular to the gear shaft are provided with protruding sliding blocks, the partition plates on two sides of the lower end face of the sand filling hole corresponding to the protruding sliding blocks are provided with sliding rails, the protruding sliding blocks are matched on the sliding rails in a sliding mode, and the protruding sliding blocks and the sliding rails in the gear shaft direction are sleeved with compression springs. The outer side wall of the sand filling cylinder positioned below the gear shaft is provided with a fixed block, the middle shaft of the fixed block is provided with a handle shaft, a first handle is embedded into the front end face of the handle shaft, the rear end of the handle shaft is fixedly connected with a gear, and the gear is meshed with the gear shaft.
The limiting block structure is as follows: the upper and lower limit plates distributed at an upper and lower interval are fixed with the upper and lower end faces of the substrate corner of the corresponding part into a whole. The middle part of the upper end surface of the upper limiting plate is provided with a shaft hole, and the middle part of the lower end of the rotary table penetrates through the shaft to be arranged in the shaft hole. The lower end of the middle shaft is vertically connected with a screw rod, and the lower end of the screw rod is rotatably connected with the middle of the upper end face of the lower limiting plate. The upper end face one side of carousel is provided with the second handle perpendicularly, and the middle part of slider is provided with lead screw assorted internal thread hole, and the lead screw spiral shell is established in the internal thread hole at slider middle part, and the equal vertical connection in end face middle part has the locating lever under the both sides of slider. The lower end of the positioning rod penetrates through holes in the middle parts of two sides of a lower limiting plate below the corresponding vertical part and is located outside the lower end face of the lower limiting plate, the middle parts of the upper end faces of two sides of the sliding block are vertically connected with supporting springs, the upper ends of the supporting springs are fixedly connected with the middle parts of the lower end faces of the upper limiting plate, and the lower ends of the supporting springs are supported against the middle parts of the upper end faces of two sides of the sliding block.
The lower end of the positioning rod is pointed. The compression spring supports the convex sliding block to enable the baffle plate to seal the sand filling hole. The diameter of the sand filling hole is smaller than that of the baffle.
The device achieves the purpose of the utility model.
The utility model overcomes prior art's is not enough, has simple structure, and the working property is reliable, and the flexible operation is laborsaving, detects the accuracy, extensive applicability and convenient to use's advantage.
Compared with the prior art, the utility model has the following advantages and positive effects:
(1) the utility model discloses a base plate, the up end intermediate position department of base plate is provided with irritates a sand section of thick bamboo, and the four corners portion of base plate is equipped with spacing block structure, and spacing block structure irritates sand to the compactness of roadbed and examines time measuring, can be with the base plate firmly fixed subaerial, can avoid taking place to shift and lead to the unsafe condition of result at the in-process base plate that detects.
(2) The utility model discloses a one side horizontally connect of baffle has the pinion, and the other end embedding slidable mounting of pinion is in the dog of irritating a sand section of thick bamboo inside side and fixedly connected with and open and close the hole of irritating sand, when irritating sand detects, can conveniently operate the speed that the baffle controlled the quicksand outside a sand section of thick bamboo at any time of irritating, also can not cause the dead phenomenon of baffle card simultaneously, when closing the back with the baffle, the condition of hourglass sand can be fine to prevent to appear, has not only improved work efficiency, and it is more accurate errorless to make the testing result moreover.
(3) The utility model discloses think about unique, simple structure, compact reasonable, working property reliable, the flexible operation is laborsaving, the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic view of the structure of the sand filling hole and the stop block of the present invention.
Fig. 4 is a partially enlarged schematic view of the structure at B in fig. 1.
Detailed Description
As shown in fig. 1 to 4, a device for rapidly detecting roadbed compactness comprises a substrate 1, a sand filling cylinder 2 is arranged in the middle of the upper end face of the substrate, an observation window 21 is fixedly installed on the front end face of the sand filling cylinder through screws, the observation window is made of glass, and a graduated scale 22 is arranged on the front end face of the observation window so as to conveniently observe the amount and flowing condition of sand in the sand filling cylinder 2.
The four corners of the base plate are provided with a limiting block structure (A). The limiting block structure is as follows: the upper and lower limiting plates 31 and 3 are integrally fixed to the upper and lower end faces of the substrate corner of the corresponding portion. The upper limit plate and the lower limit plate are hollow. The shaft hole is arranged in the middle of the upper end face of the upper limiting plate, the middle shaft at the lower end of the rotary disc 4 penetrates through the shaft and is arranged in the shaft hole, the lower end of the middle shaft is vertically connected with a lead screw 5, the lower end of the lead screw is rotatably connected with the middle of the upper end face of the lower limiting plate, and one side of the upper end face of the rotary disc is vertically provided with a second handle 6. The middle part of the sliding block 7 is provided with an internal thread hole matched with the screw rod, and the screw rod is screwed in the internal thread hole in the middle part of the sliding block. The middle parts of the lower end surfaces of the two sides of the sliding block are vertically connected with positioning rods 8, and the lower ends of the positioning rods are pointed so as to be conveniently inserted into a road surface. The lower end of the positioning rod penetrates through the through holes in the middle parts of the two sides of the lower limiting plate below the corresponding vertical part and is positioned outside the lower end surface of the lower limiting plate. The middle parts of the upper end surfaces of the two sides of the sliding block are vertically connected with supporting springs 71, the upper ends of the supporting springs are fixedly connected with the middle part of the lower end surface of the upper limiting plate, and the lower ends of the supporting springs are supported against the middle parts of the upper end surfaces of the two sides of the sliding block.
A partition plate 9 is horizontally arranged in the lower end of the sand filling cylinder, and a sand filling hole 10 is formed in the middle of the lower end face of the partition plate. The lower end face of the baffle plate is provided with a baffle plate 11 for opening and closing the sand filling hole in a sliding manner, one side of the baffle plate is horizontally connected with a gear shaft 12, and the other end of the gear shaft penetrates through the side wall of the sand filling cylinder on the corresponding side in a sliding manner to be connected with a stop block 13 into a whole (B). The side edges of the baffle plates at two sides vertical to the gear shaft are provided with protruding sliding blocks 14, the partition plates at two sides of the lower end face of the sand filling hole corresponding to the protruding sliding blocks are provided with sliding rails 15, and the protruding sliding blocks are slidably matched on the sliding rails. The convex sliding block can be provided with a sliding hole in the same direction as the sliding rail, and the sliding hole of the convex sliding block is matched on the sliding rail at the corresponding position in a sliding way. In order to facilitate sliding, an oil filling hole 141 can be formed in the protruding sliding block corresponding to the middle of the sliding hole, so that lubricating oil can be added to the protruding sliding block and the sliding rail. The compression spring 142 is sleeved on the slide rail of the protruding slide block and the axial direction of the tooth.
The outer side wall of the sand filling barrel below the gear shaft is provided with a fixing block 23, the middle shaft of the fixing block is provided with a handle shaft, a first handle 24 is embedded in the front end face of the handle shaft, the rear end of the handle shaft is fixedly connected with a gear 25, and the gear shaft are in meshing connection. The compression spring supports the convex sliding block so that the baffle is always in a state of sealing the sand filling hole. The diameter of the sand filling hole is smaller than that of the baffle. The first handle is slowly shaken by hands, and the gear shaft is driven by the gear to control the baffle plate to open and close the sand filling hole so as to conveniently control the flowing speed of sand, thereby improving the detection efficiency.
During the use, at first put the base plate 1 on the road bed region that needs to detect, then rotate second handle 6, second handle 6 drives carousel 4 and rotates, carousel 4 drives lead screw 5 and rotates, because slider 7 is inside to be provided with lead screw 5 assorted internal thread, consequently lead screw 5 can drive slider 7 and slide on lead screw 5 when rotating, make lead screw 5 drive slider 7 and move down, thereby make locating lever 8 on the slider 7 insert subaerially, and supporting spring 71 can play the firm effect of support to slider 7, thereby fix base plate 1 firmly subaerial. When sand filling is needed, the first handle 24 is rotated, the first handle 24 drives the gear 25 to rotate, the gear 25 is meshed with the gear shaft 12, so that the gear 25 drives the gear shaft 12 to move when rotating, the gear shaft 12 drives the baffle plate 11 to move when moving, and the sand filling hole 10 is opened by the baffle plate 11. Therefore, sand can flow out, the first handle 24 is adjusted through control, the movement of the baffle plate 11 can be controlled, the flow speed of the sand can be controlled, when sand filling is stopped, the first handle 24 is rotated, the baffle plate 11 closes the sand filling hole 10, the sand filling hole 10 can be prevented from leaking out under the elasticity of the compression spring 142, the sand filling hole 10 is completely closed, and the flow of the sand is prevented.
In a word, the utility model overcomes prior art's is not enough, has simple structure, and the working property is reliable, and the flexible operation is laborsaving, detects the accuracy, extensive applicability and convenient to use's advantage, convenient to popularize and use.
Claims (5)
1. The utility model provides a device of short-term test road bed compactness, includes the base plate, its characterized in that: a sand filling cylinder is arranged in the middle of the upper end face of the base plate, an observation window is fixedly arranged on the front end face of the sand filling cylinder, a graduated scale is arranged on the front end face of the observation window, a limiting block structure is arranged at the four corners of the base plate, a partition plate is horizontally arranged in the lower end of the sand filling cylinder, a sand filling hole is arranged in the middle of the lower end face of the partition plate, a baffle plate for opening and closing the sand filling hole is arranged on the lower end face of the partition plate in a sliding manner, a gear shaft is horizontally connected to one side of the baffle plate, the other end of the gear shaft penetrates through the side wall of the sand filling cylinder on the corresponding side in a sliding manner to be connected with the baffle plate into a whole, a convex sliding block is arranged on the side edge of the baffle plate on the two sides vertical to the gear shaft, sliding rails are arranged on the partition plate on the two sides of the lower end face of the sand filling, a first handle is embedded in the front end face of the handle shaft, a gear is fixedly connected to the rear end of the handle shaft, and the gear is meshed with the gear shaft.
2. The apparatus for rapidly testing the compaction degree of the roadbed according to claim 1, wherein: the limiting block structure is as follows: the upper and lower limit plates which are distributed at an upper and lower interval distance are fixed with the upper and lower end faces of the base plate corner of the corresponding part into a whole, the middle part of the upper end face of the upper limit plate is provided with a shaft hole, the middle part shaft of the lower end of the rotary disc is penetrated through the shaft hole, the lower end of the middle part shaft is vertically connected with a screw rod, the lower end of the screw rod is rotatably connected with the middle part of the upper end face of the lower limit plate, one side of the upper end face of the rotary disc is vertically provided with a second handle, the middle part of the slide block is provided with an internal thread hole matched with the screw rod, the screw rod is screwed in the internal thread hole in the middle part of the slide block, the middle parts of the lower end faces of the two sides of the slide block are vertically connected with positioning rods, the lower ends of the positioning rods pass through holes in the middle parts, the lower end of the supporting spring is supported against the middle parts of the upper end surfaces of the two sides of the sliding block.
3. The apparatus for rapidly testing the compaction degree of the roadbed according to claim 2, wherein: the lower end of the positioning rod is pointed.
4. The apparatus for rapidly testing the compaction degree of the roadbed according to claim 1, wherein: the compression spring supports the convex sliding block to enable the baffle plate to seal the sand filling hole.
5. The apparatus for rapidly testing the compaction degree of the roadbed according to claim 1, wherein: the diameter of the sand filling hole is smaller than that of the baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020160783.0U CN211872944U (en) | 2020-02-11 | 2020-02-11 | Device for rapidly detecting roadbed compactness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020160783.0U CN211872944U (en) | 2020-02-11 | 2020-02-11 | Device for rapidly detecting roadbed compactness |
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| Publication Number | Publication Date |
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| CN211872944U true CN211872944U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020160783.0U Active CN211872944U (en) | 2020-02-11 | 2020-02-11 | Device for rapidly detecting roadbed compactness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945621A (en) * | 2021-03-18 | 2021-06-11 | 孙娇娜 | Be used for road bed road surface compactness detection device |
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2020
- 2020-02-11 CN CN202020160783.0U patent/CN211872944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945621A (en) * | 2021-03-18 | 2021-06-11 | 孙娇娜 | Be used for road bed road surface compactness detection device |
| CN112945621B (en) * | 2021-03-18 | 2024-01-19 | 孙娇娜 | Be used for road subgrade road surface compactness detection device |
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