CN219752929U - High-precision quick loose pavement coefficient determination device - Google Patents

Abstract

The utility model relates to the technical field of pavement construction, in particular to a high-precision rapid loose paving coefficient measuring device which comprises a handle, a vertical rod, a sliding plate and clamping components, wherein the handle is arranged at the upper end of the vertical rod, a pointed end is arranged at the lower end of the vertical rod, a scale is arranged on one side of the vertical rod, a through hole is formed in the middle of the sliding plate and is sleeved on the outer side of the vertical rod in a sliding manner, and the clamping components are fixedly connected with the sliding plate and are clamped on two sides, adjacent to the scale, of the vertical rod. During the measurement, hold the handle and push down, tip and pole setting lower extreme insert loose spreading, and the slide receives ascending thrust, and when thrust was greater than gravity and the frictional force between clamping assembly and the spout, the slide upwards slides for the pole setting, and the tip upwards pulls out the pole setting after to the bottom, and the slide overcomes gravity under clamping assembly's centre gripping effect, keeps unchanged with the relative position of pole setting, can raise the pole setting and read, makes the staff avoid lying on the ground, avoids the reading degree of difficulty great and produces the error easily.

Description

High-precision quick loose pavement coefficient determination device

Technical Field

The utility model relates to the technical field of pavement construction, in particular to a device for rapidly determining a loose pavement coefficient with high precision.

Background

In the construction process of roadbed, water stability and asphalt pavement, in order to better control the compaction thickness after rolling forming, the measurement of the loose paving coefficient becomes particularly important in the construction process, but because the traditional operators use tools such as steel bars, screwdrivers and the like for measurement, the measurement is carried out by using a ruler after the measurement, the speed is low and the measurement progress is low.

In the prior art CN218723718U, a tool for detecting loose thickness is disclosed, as shown in fig. 1, the tool comprises a grip 1', a vertical rod 2', a scale 3', a caliper 4' and a tip 5', wherein the grip 1' is in threaded connection with one end of the vertical rod 2', the other end of the vertical rod 2' is in threaded connection with one end of the scale 3', the caliper 4' is sleeved on the scale 3', the tip 5' is fixedly connected with the other end of the scale 3', and scales are marked on the scale 3'. When the hand grip is used, a constructor holds the grip 1', inserts a tool into the bottom of the pavement layer, the bottom of the caliper 4' horizontally contacts with the surface of the pavement layer, the caliper 4 'can slide on the staff gauge 3', the staff gauge 3 'is inserted into the bottom of the pavement layer by manual force, then the reading of the juncture between the bottom of the caliper 4' and the staff gauge 3 'is read, and the tip 5' (length 5 cm) is subtracted from the reading to obtain the loose pavement thickness, so that the hand grip is simple in structure and convenient to operate. But its is not enough, slide caliper rule 4 'and do not have locking mechanism between scale 3', and during the reading, the state of need maintaining scale 3 'and inserting the layer bottom of laying, the staff is bent over and is read, and not only the reading is inconvenient, overlook the reading and cause the reading error easily in addition, influence the precision of testing result, loose thickness still need calculate and can't direct readout, has increased the detection step.

Disclosure of Invention

The utility model aims to solve the problems that the reading is inconvenient and the reading error is easy to cause in the existing tool for detecting the loose pavement thickness, and provides a device for rapidly measuring the loose pavement coefficient with high precision, which can solve the problems.

The utility model provides a coefficient device is spread to quick survey pine of high accuracy, includes handle, pole setting, slide and clamping assembly, the handle set up in the pole setting upper end, the pole setting lower extreme is provided with the tip, one side of pole setting is provided with the scale, through-hole and slip cap have been seted up at the slide middle part and are located the pole setting outside, clamping assembly and slide fixed connection and centre gripping in the pole setting is adjacent to the both sides of scale.

Further, the clamping assembly comprises a sleeve, a spring and a clamping block, wherein the sleeve is symmetrically and horizontally fixed on the upper surface of the sliding plate, an opening of the sleeve faces the vertical rod, one end of the spring is inserted into the sleeve and is fixed at the bottom of the sleeve, and the clamping block is fixed at the other end of the spring.

Further, the two sides of the vertical rod adjacent to the staff gauge are vertically provided with sliding grooves, and the clamping block is partially clamped in the sliding grooves and slides up and down along the sliding grooves.

Further, the lower end of the sliding groove extends to the upper portion of the pointed end, and a stop block for preventing the sliding plate from being separated from the vertical rod is fixed at the lower end of the sliding groove.

Further, the clamping blocks are of spherical structures.

Further, the clamping assembly further comprises an electromagnet, a storage battery and a switch, wherein the electromagnet and the storage battery are arranged in the vertical rod, the electromagnet and the sliding chute are correspondingly arranged, the switch is arranged on the handle, and the electromagnet is electrically connected with the storage battery and the switch.

Further, the clamping block is of a cylindrical structure.

Further, the initial position of the scale and the upper surface of the stop block are located on the same plane, and the value of the initial position is the difference between the distance from the upper surface of the stop block to the tail end of the tip and the thickness of the sliding plate.

Compared with the prior art, the utility model has the beneficial effects that:

the high-precision quick loose pavement coefficient measuring device is provided with the grip, the vertical rod, the sliding plate and the clamping assembly, when the measurement is carried out, the grip is held downwards, the tip and the lower end of the vertical rod are inserted into the loose pavement, the sliding plate is subjected to upward thrust of the loose pavement, when the thrust is larger than the gravity and the friction force between the clamping assembly and the sliding groove, the sliding plate slides upwards relative to the vertical rod, the tip upwards pulls out the vertical rod after reaching the bottom, the sliding plate overcomes the gravity under the clamping action of the clamping assembly, and the relative position between the tip and the vertical rod is kept unchanged, so that the vertical rod can be lifted for reading, workers can avoid the situation of carrying out reading in a volt-ground mode, and the reading difficulty is larger and errors are easy to generate.

According to the high-precision quick loose paving coefficient measuring device, the electromagnet is arranged, and the electromagnet can adsorb the clamping blocks when being electrified, so that the stability of the sliding plate in reading is enhanced, and the reliability is higher.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of a tool for detecting a loose thickness in the prior art.

Fig. 2 is a schematic diagram of the overall structure of the device for high-precision rapid determination of the loose paving coefficient in the first embodiment.

Fig. 3 is a partial structural sectional view of a device for high-precision quick determination of a loose paving coefficient in the first embodiment.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a schematic view of a part of the structure of a device for high-precision rapid determination of loose paving coefficient in the first embodiment.

Fig. 6 is a sectional view of a device for high-precision quick determination of a loose paving coefficient in the second embodiment.

Fig. 7 is an enlarged view at B in fig. 6.

Fig. 8 is a schematic structural diagram of a bar electromagnet in the second embodiment.

In the figure: 1', a handle; 2', standing bars; 3', a staff gauge; 4', calipers; 5', a tip.

1. A grip; 2. a vertical rod; 3. a slide plate; 4. a tip; 5. a ruler; 6. a sleeve; 7. a spring; 8. a clamping block; 9. a chute; 10. a stop block; 11. an electromagnet; 12. a storage battery; 13. and (3) a switch.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

as shown in fig. 1 and 2, the high-precision rapid loose paving coefficient determination device in this embodiment includes a grip 1, a vertical rod 2, a sliding plate 3 and a clamping assembly, wherein the grip 1 is fixed at the upper end of the vertical rod 2, the vertical rod 2 is in a cuboid structure, a tip 4 is fixed at the lower end of the vertical rod 2, and a scale 5 of laser engraving 1:1 is arranged on one side surface of the vertical rod 2. The through hole is offered at slide 3 middle part, and the through hole is the same with the shape size of pole setting 2 cross section, and slide 3 slip cap locates the pole setting 2 outside. Clamping assembly and slide 3 fixed connection just centre gripping in pole setting 2 are adjacent to the both sides of scale 5, and clamping assembly can overcome gravity centre gripping in pole setting 2 both sides, prevents that slide 3 from sliding down, and under the effect of external force, clamping assembly can follow pole setting 2 from top to bottom with slide 3 jointly.

In this embodiment, as shown in fig. 3, the clamping assembly includes a sleeve 6, a spring 7 and a clamping block 8, wherein the two sleeves 6 are symmetrically and horizontally fixed on the upper surface of the sliding plate 3, and the opening of the sleeve 6 faces the vertical rod 2. One end of the spring 7 is inserted in the sleeve 6 and fixed at the bottom of the sleeve 6, the other end of the spring is fixed with the clamping blocks 8, and the two clamping blocks 8 are respectively clamped at two sides of the vertical rod 2 adjacent to the scale 5.

Through setting up the clamping assembly, during the survey, handheld handle 1 pushes down, tip 4 and pole setting 2 lower extreme insert loose layer, slide 3 receives loose layer ascending thrust, when thrust is greater than gravity and the frictional force between clamping assembly and the spout 9, slide 3 upwards slides for pole setting 2, tip 4 upwards pulls out pole setting 2 to the end, slide 3 overcomes gravity under clamping assembly's centre gripping effect, keep unchanged with pole setting 2's relative position, thereby can raise pole setting 2 and read, make the staff avoid carrying out the reading in the volt, avoid the great and easy condition that produces the error of reading degree of difficulty.

In this embodiment, as shown in fig. 5, two side surfaces of the upright rod 2 adjacent to the scale 5 are vertically provided with a chute 9, and a part of the clamping block 8 enters the chute 9 and slides up and down along the chute 9. The upper end of the chute 9 extends to be the same as the scale 5, the lower end of the chute 9 extends to be above the tip 4, and a stop block 10 is fixed at the lower end of the chute 9. The stop block 10 is fixed below the lower end of the chute 9, and the upper surface is the same height as the lower end of the chute 9. Through setting up spout 9, grip block 8 part entering spout 9 in, prevent that grip block 8 from taking place the skew in the slip in-process, influence the centre gripping effect, and then influence slide 3 stability. By arranging the stop block 10, the sliding plate 3 and the clamping block 8 are effectively prevented from falling off, and the use is convenient.

In this embodiment, the clamping block 8 has a spherical structure, specifically, the clamping block 8 is a steel ball, and the spring 7 is welded with the steel ball. The upright post 2, the stop block 10, the tip 4, the sleeve 6 and the sliding plate 3 are made of stainless steel, the upright post, the stop block 10 and the tip 4 are integrally arranged, and the vertical section of the tip 4 is of a triangular structure. The scale 5 is engraved by adopting laser 1:1, the initial position of the scale 5 and the upper surface of the stop block 10 are positioned on the same plane, the numerical value of the initial position is the difference between the distance from the upper surface of the stop block 10 to the tail end of the tip 4 and the thickness of the sliding plate 3, the numerical value corresponding to the upper surface of the sliding plate 3 is the actual loose layer thickness when the numerical value is read, the numerical value of the cut-off position of the scale 5 is 65 cm, the minimum scale of the scale 5 is mm, and therefore the measurement result can be accurately measured to the mm, and high-precision measurement is achieved.

The working principle of the high-precision quick loose paving coefficient measuring device in the embodiment is as follows:

when the novel multifunctional hand-held handle is used, the hand-held handle 1 is pressed downwards, the tip 4 is inserted into the loose layer, the sliding plate 3 is attached to the surface of the loose layer, the downward pressing is continued, the loose layer is inserted into the lower end of the vertical rod 2, the sliding plate 3 is subjected to upward thrust of the loose layer, the absolute position of the sliding plate 3 is kept unchanged, the sliding plate slides upwards relative to the vertical rod 2, the tip 4 is pulled upwards to the bottom, the vertical rod 2 is pulled upwards, the spring 7 extrudes the steel ball to clamp the vertical rod 2, the relative position of the sliding plate 3 and the vertical rod 2 is kept unchanged, the vertical rod 2 is lifted for reading, and the read numerical value is the actual loose layer thickness.

Embodiment two:

as shown in fig. 6, the high-precision quick loose spreading coefficient measuring device in the embodiment comprises a grip 1, a vertical rod 2, a sliding plate 3 and a clamping assembly, wherein the grip 1 is fixed at the upper end of the vertical rod 2, the vertical rod 2 is of a cuboid structure, a pointed head 4 is fixed at the lower end of the vertical rod 2, and a scale 5 of laser engraving 1:1 is arranged on one side surface of the vertical rod 2. The through hole is offered at slide 3 middle part, and the through hole is the same with the shape size of pole setting 2 cross section, and slide 3 slip cap locates the pole setting 2 outside. Clamping assembly and slide 3 fixed connection just centre gripping in pole setting 2 are adjacent to the both sides of scale 5, and clamping assembly can overcome gravity centre gripping in pole setting 2 both sides, prevents that slide 3 from sliding down, and under the effect of external force, clamping assembly can follow pole setting 2 from top to bottom with slide 3 jointly.

In this embodiment, the clamping assembly comprises a sleeve 6, a spring 7 and a clamping block 8, wherein the two sleeves 6 are symmetrically and horizontally fixed on the upper surface of the sliding plate 3, and the opening of the sleeve 6 faces the vertical rod 2. One end of the spring 7 is inserted in the sleeve 6 and fixed at the bottom of the sleeve 6, the other end of the spring is fixed with the clamping blocks 8, and the two clamping blocks 8 are respectively clamped at two sides of the vertical rod 2 adjacent to the scale 5.

The two side surfaces of the upright rod 2 adjacent to the scale 5 are vertically provided with a sliding groove 9, and the clamping block 8 partially enters the sliding groove 9 and slides up and down along the sliding groove 9. The upper end of the chute 9 extends to be the same as the scale 5, the lower end of the chute 9 extends to be above the tip 4, and a stop block 10 is fixed at the lower end of the chute 9. The stop block 10 is fixed below the lower end of the chute 9, and the upper surface is the same height as the lower end of the chute 9. Through setting up spout 9, grip block 8 part entering spout 9 in, prevent that grip block 8 from taking place the skew in the slip in-process, influence the centre gripping effect, and then influence slide 3 stability. By arranging the stop block 10, the sliding plate 3 and the clamping block 8 are effectively prevented from falling off, and the use is convenient.

In this embodiment, the upright 2 and the handle 1 are hollow, as shown in fig. 7, the clamping assembly further includes an electromagnet 11, a battery 12 and a switch 13, the electromagnet 11 and the battery 12 are disposed in the upright 2, the electromagnet 11 is disposed corresponding to the chute 9, the switch 13 is disposed on the handle 1, the electromagnet 11 is electrically connected with the battery 12 and the switch 13, and a charging port (not shown in the figure) is further disposed on the handle 1.

Specifically, as shown in fig. 8, the electromagnet 11 is a strip electromagnet 11, the electromagnet 11 is fixed in the upright 2, and one surface of the electromagnet 11 having an adsorption function contacts with the inner wall of the slide groove 9 provided in the upright 2, and the upper and lower ends of the strip electromagnet 11 are flush with or slightly protrude from the upper and lower ends of the slide groove 9, so that the electromagnet 11 can adsorb the clamping block 8 within the range of the slide groove 9. Preferably, the clamping blocks 8 in this embodiment are of cylindrical configuration.

The working principle of the high-precision quick loose paving coefficient measuring device in the embodiment is as follows:

when the multifunctional hand grip is used, the hand grip 1 is pressed downwards, the tip 4 is inserted into the loose layer, the sliding plate 3 is attached to the surface of the loose layer, the downward pressing is continued, the loose layer is inserted into the lower end of the vertical rod 2, the sliding plate 3 is subjected to upward thrust of the loose layer, the sliding plate 3 maintains the absolute position unchanged, and slides upwards relative to the vertical rod 2, after the tip 4 is bottoms out, the switch 13 is turned on, the electromagnet 11 is electrified to adsorb the clamping blocks 8, the clamping blocks 8 clamp the two sides of the vertical rod 2, the vertical rod 2 is pulled out upwards, the sliding plate 3 keeps unchanged relative position with the vertical rod 2, the vertical rod 2 is lifted for reading, the read numerical value is the actual loose layer thickness, after the reading is finished, the switch 13 is turned off, and the sliding plate 3 can be reset for continuous measurement.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a coefficient device is spread to high accuracy short-term test pine, its characterized in that, including handle (1), pole setting (2), slide (3) and clamping assembly, handle (1) set up in pole setting (2) upper end, pole setting (2) lower extreme is provided with tip (4), one side of pole setting (2) is provided with scale (5), through-hole and slip cap have been seted up at slide (3) middle part and are located pole setting (2) outside, clamping assembly and slide (3) fixed connection and centre gripping in pole setting (2) be adjacent to the both sides of scale (5).

2. The device for rapidly determining the loosening coefficient with high precision according to claim 1, wherein the clamping assembly comprises a sleeve (6), a spring (7) and a clamping block (8), the two sleeves (6) are symmetrically and horizontally fixed on the upper surface of the sliding plate (3), the opening of each sleeve (6) faces the vertical rod (2), one end of each spring (7) is inserted into the corresponding sleeve (6) and fixed at the bottom of the corresponding sleeve (6), and the other end of each spring is fixed with the corresponding clamping block (8).

3. The high-precision rapid loose paving coefficient measuring device according to claim 2, wherein sliding grooves (9) are vertically formed in two sides of the upright rod (2) adjacent to the scale (5), and the clamping blocks (8) are partially clamped in the sliding grooves (9) and slide up and down along the sliding grooves (9).

4. A high-precision quick-speed device for determining a loosening coefficient according to claim 3, characterized in that the lower end of the sliding chute (9) extends above the tip (4), and a stop block (10) for preventing the sliding plate (3) from being separated from the upright (2) is fixed at the lower end of the sliding chute (9).

5. The high-precision rapid determination device for the coefficient of loosening as claimed in claim 4, wherein the clamping block (8) has a spherical structure.

6. The device for rapidly determining the loosening coefficient with high precision according to claim 4, wherein the clamping assembly further comprises an electromagnet (11), a storage battery (12) and a switch (13), the electromagnet (11) and the storage battery (12) are both arranged in the vertical rod (2), the electromagnet (11) is arranged corresponding to the chute (9), the switch (13) is arranged on the grip (1), and the electromagnet (11) is electrically connected with the storage battery (12) and the switch (13).

7. The high-precision rapid loose-bed coefficient measuring device according to claim 6, wherein the clamping block (8) is of a cylindrical structure.

8. The high-precision rapid loosening coefficient measuring device according to claim 4, wherein the initial position of the scale (5) and the upper surface of the stop block (10) are positioned on the same plane, and the value of the initial position is the difference between the distance from the upper surface of the stop block (10) to the tail end of the tip (4) and the thickness of the sliding plate (3).