CN223780811U - Highway subgrade strength detection device - Google Patents

Abstract

The utility model discloses a highway subgrade strength detection device which comprises a test bench, wherein a plurality of supporting legs are fixedly arranged at the bottom of the test bench, two first electric cylinders are fixedly connected to the top of the test bench, top beams are fixedly connected to the push rod ends of the two first electric cylinders, a plurality of guide rods are fixedly connected to the bottom of the top beams, connecting seats are fixedly connected to the bottom ends of the plurality of guide rods, and pressing plates are fixedly connected to the bottom of the connecting seats through force measuring sensors.

Description

Highway subgrade strength detection device

Technical Field

The utility model relates to the technical field of highway detection, in particular to a highway subgrade strength detection device.

Background

At present, when the intensity of the roadbed of a highway is detected, the roadbed of the road per kilometer is required to be sampled for several times, and a pressure tester or related equipment is used for detecting the core sample.

Through retrieving, the patent with the bulletin number of CN219417056U discloses a roadbed strength detection device, and it can support the roadbed material through setting up the backup pad, can drive the clamp plate through the first pneumatic cylinder that sets up and press the roadbed material and establish, and the protection casing that sets up can prevent that the roadbed material from broken splashing, after detecting, can drive the backup pad through the second pneumatic cylinder and overturn round the pivot, and the roadbed material after detecting enters into the bin along the backup pad, can be quick clear up the roadbed material fast, can realize carrying out short-term test to the roadbed material.

According to the scheme, the strength of the roadbed material is detected on the supporting plate which can be turned over, so that the roadbed material can be discharged out quickly through the supporting plate which is turned over after detection is finished, but when the roadbed material is pressed, the rotating shaft of the supporting plate can be subjected to larger radial force, the roadbed material is easy to deform and damage, the top end of the protection cover is open, and fragments still possibly fly out of the protection cover when the roadbed material is crushed under compression, so that the improvement is needed.

Disclosure of utility model

The utility model aims to provide a highway subgrade strength detection device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a highway subgrade intensity detection device, includes the testboard, the bottom fixed mounting of testboard has a plurality of landing legs, the top fixedly connected with of testboard two first electronic jars, two the push rod end of first electronic jar is fixedly connected with back timber jointly, the bottom fixedly connected with of back timber is a plurality of guide arms, and a plurality of the bottom fixedly connected with connecting seat jointly of guide arm, the bottom of connecting seat is through force transducer fixedly connected with clamp plate, and a plurality of the outside of guide arm overlaps jointly and is equipped with the housing, the top of testboard runs through and is provided with the open slot, the top fixed mounting of testboard has the second electronic jar, the bottom of testboard and the corresponding department slidable of open slot install the drawer, the push rod end fixedly connected with mounting panel of second electronic jar, detachable is connected with rubber strip on the mounting panel, rubber strip and open slot are located the both sides of housing respectively.

As a further scheme of the utility model, a spring is sleeved on the outer wall of the guide rod between the top beam and the housing.

As a further scheme of the utility model, four scale strips are circumferentially distributed on the top surface of the test bench right below the pressing plate.

As a further scheme of the utility model, the front wall of the drawer is fixedly provided with a handle, both sides of the drawer are fixedly connected with sliding strips, the bottoms of the test tables are fixedly connected with L-shaped supporting rods at the corresponding positions of the sliding strips, and the sliding strips are positioned in the corresponding L-shaped supporting rods.

As a still further scheme of the utility model, a clamping plate is arranged on the outer side of the mounting plate, the rubber scraping strip is positioned between the mounting plate and the clamping plate, a plurality of bolts are jointly penetrated on the rubber scraping strip and the clamping plate, and threaded holes matched with the bolts are formed in the outer wall of the mounting plate.

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

According to the utility model, in the process of pressing the core sample, the cover shell can carry out omnibearing shielding on the core sample, so that fragments during core sample breakage can be effectively prevented from flying out of the cover shell, after the test is finished, a first electric cylinder is started to reset a top beam and the like, massive core sample fragments can be taken away, then a second electric cylinder is started to push a rubber scraping strip to move, and the fragments remained on the test bench can be pushed into an opening groove, so that the table surface is cleaned and the fragments are collected by utilizing a drawer, thereby facilitating the next test.

Drawings

Fig. 1 is a schematic structural diagram of a highway subgrade strength detection device.

Fig. 2 is a schematic diagram of an open slot structure in a highway subgrade strength detection device.

Fig. 3 is a schematic structural view of a bolt in a highway subgrade strength detection device.

The test bench 1, the supporting legs 2, the first electric cylinder 3, the top beam 4, the guide rod 5, the connecting seat 6, the force transducer 7, the pressing plate 8, the housing 9, the spring 10, the scale bar 11, the open slot 12, the drawer 13, the slide bar 14, the handle 15, the L-shaped supporting rod 16, the mounting plate 17, the rubber scraping bar 18, the clamping plate 19, the second electric cylinder 20, the bolt 21 and the threaded hole 22.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model will be further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have the orientation specific to the specification, be constructed and operated in the specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

Referring to fig. 1-3, in the embodiment of the utility model, a highway subgrade strength detection device comprises a test bench 1, a plurality of supporting legs 2 are fixedly installed at the bottom of the test bench 1, two first electric cylinders 3 are fixedly connected to the top of the test bench 1, top beams 4 are fixedly connected to the push rod ends of the first electric cylinders 3 together, a plurality of guide rods 5 are fixedly connected to the bottom of the top beams 4, a connecting seat 6 is fixedly connected to the bottom of the plurality of guide rods 5 together, a pressing plate 8 is fixedly connected to the bottom of the connecting seat 6 through a force transducer 7, a housing 9 is sleeved on the outer sides of the plurality of guide rods 5 together, an open slot 12 is penetrated through the top of the test bench 1, a second electric cylinder 20 is fixedly installed at the top of the test bench 1, a drawer 13 is slidably installed at the corresponding position of the bottom of the test bench 1 and the open slot 12, a mounting plate 17 is fixedly connected to the push rod ends of the second electric cylinders 20, a rubber scraper 18 is detachably connected to the mounting plate 17, and the top surface of the rubber scraper 18 is attached to the top surface of the test bench 1 and the two sides of the housing 9.

According to the scheme, when the roadbed core sample is placed on the test bench 1 and is positioned right below the pressing plate 8, the two first electric cylinders 3 are started to drive the top beam 4 to descend, the cover 9 and the pressing plate 8 can be driven to move downwards, when the cover 9 covers the core sample and the bottom end of the cover 9 is contacted with the top surface of the test bench 1, the top beam 4 continues to descend, the pressing plate 8 is contacted with the top of the core sample to start pressure test, in the test process, the cover 9 can shield the core sample in an omnibearing manner to effectively prevent fragments during core sample breakage from flying out of the cover 9, after the test is completed, the first electric cylinders 3 are started to reset the top beam 4, so that massive core sample fragments can be taken away, then the second electric cylinders 20 are started to push the rubber scraping strips 18 to move, and chips remained on the test bench 1 can be pushed into the open grooves 12 to clean the table and collect the chips by utilizing the drawers 13, so that the next test is convenient.

With specific reference to fig. 1, in one embodiment of the present utility model, a spring 10 is sleeved on the outer wall of the guide rod 5 between the top beam 4 and the cover 9, so as to apply a downward pushing force on the guide rod 5 to the cover 9, so as to avoid that the cover 9 is blocked on the guide rod 5 and cannot fall back.

With specific reference to fig. 1, in one embodiment of the present utility model, four scale bars 11 are circumferentially disposed on the top surface of the test stand 1 directly under the platen 8, so as to facilitate positioning and placement of the core sample, so that the core sample can be accurately aligned with the platen 8 in the vertical direction.

Referring to fig. 1 and fig. 2 specifically, in an embodiment of the present utility model, a handle 15 is fixedly installed on a front wall of the drawer 13, two sides of the drawer 13 are fixedly connected with a sliding bar 14, an L-shaped supporting rod 16 is fixedly connected to a corresponding position between the bottom of the test stand 1 and the sliding bar 14, and the sliding bar 14 is located in the corresponding L-shaped supporting rod 16.

Through the setting of handle 15, be convenient for carry out the pull operation to drawer 13, through the cooperation of draw bar 14 and L type die-pin 16, can ensure the stability that drawer 13 slided in test bench 1 bottom.

With specific reference to fig. 1-3, in one embodiment of the present utility model, the length dimensions of the rubber scraping strip 18 and the open slot 12 on the front view projection of the device are larger than the length dimensions of the housing 9, so as to ensure that the working range of the rubber scraping strip 18 can effectively cover the shielding area of the housing 9, a clamping plate 19 is arranged on the outer side of the mounting plate 17, the rubber scraping strip 18 is located between the mounting plate 17 and the clamping plate 19, a plurality of bolts 21 are jointly penetrated on the rubber scraping strip 18 and the clamping plate 19, threaded holes 22 matched with the bolts 21 are formed on the outer wall of the mounting plate 17, and the rubber scraping strip 18 is conveniently detached from the mounting plate 17 through the cooperation of the bolts 21 and the threaded holes 22.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The highway subgrade strength detection device is characterized by comprising a test bench (1), wherein a plurality of supporting legs (2) are fixedly arranged at the bottom of the test bench (1), two first electric cylinders (3) are fixedly connected to the top of the test bench (1), top beams (4) are fixedly connected to the push rod ends of the first electric cylinders (3) together, a plurality of guide rods (5) are fixedly connected to the bottom of the top beams (4), a plurality of connecting seats (6) are fixedly connected to the bottom of the guide rods (5) together, a pressing plate (8) is fixedly connected to the bottom of the connecting seats (6) through a force transducer (7), a plurality of cover shells (9) are sleeved on the outer sides of the guide rods (5) together, an open slot (12) is formed in the top of the test bench (1) in a penetrating mode, drawers (13) are slidably arranged at corresponding positions of the bottoms of the test bench (1) and the open slot (12), push rod ends of the second electric cylinders (20) are fixedly connected with pressing plates (17), and the cover shells (18) can be detached from the mounting plates (18) respectively.

2. The highway subgrade strength detection device according to claim 1, characterized in that a spring (10) is sleeved on the outer wall of the guide rod (5) between the top beam (4) and the cover shell (9).

3. The highway subgrade strength detection device according to claim 1, characterized in that four scale strips (11) are circumferentially distributed on the top surface of the test bench (1) right below the pressing plate (8).

4. The highway subgrade strength detection device according to claim 1, characterized in that a handle (15) is fixedly arranged on the front wall of the drawer (13), sliding strips (14) are fixedly connected to the two sides of the drawer (13), L-shaped supporting rods (16) are fixedly connected to the corresponding positions of the bottoms of the test tables (1) and the sliding strips (14), and the sliding strips (14) are located in the corresponding L-shaped supporting rods (16).

5. The highway subgrade strength detection device according to claim 1, characterized in that a clamping plate (19) is arranged on the outer side of the mounting plate (17), the rubber scraping strip (18) is located between the mounting plate (17) and the clamping plate (19), a plurality of bolts (21) are jointly arranged on the rubber scraping strip (18) and the clamping plate (19) in a penetrating mode, and threaded holes (22) matched with the bolts (21) are formed in the outer wall of the mounting plate (17).