CN214894665U

CN214894665U - Roadbed compactness test detection equipment

Info

Publication number: CN214894665U
Application number: CN202120713895.9U
Authority: CN
Inventors: 朱志军; 刘柳奇; 刘清华; 李小兵; 黄立新; 周延栋
Original assignee: Hunan Lianzhi Technology Co Ltd
Current assignee: Hunan Lianzhi Technology Co Ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-26
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a road bed compactness test check out test set, including weighing the ware and setting up the soaking tank and the case of toasting on weighing the ware, toast and be equipped with rotatable holder in the case, the holder centre gripping road bed sample that awaits measuring. The clamping piece drives the roadbed test to be tested to circularly roll and dry in the baking box under the driving action of the first driving device, the drying speed is high, the moisture of the test sample is effectively discharged, the drying of the test sample is ensured, and the detection accuracy is improved; in addition, the roadbed sample to be detected is soaked in the soaking tank in an oscillating water mode, so that complete water soaking of the sample is guaranteed, detection accuracy is improved, meanwhile, the weighing device can detect weight change of the sample in real time, initial weight of the roadbed test to be detected, the dried roadbed sample to be detected and the weight of the soaked roadbed sample to be detected are obtained, and calculation of compactness of the roadbed are facilitated.

Description

Roadbed compactness test detection equipment

Technical Field

The utility model relates to a road bed test equipment technical field especially, relates to a road bed compactness test check out test set.

Background

The compactness is the proportion of the volume of the solid matter part of the material in the total volume, and is the ratio of the dry density of the compacted soil or other road building materials to the standard maximum dry density, and is expressed by percentage, the roadbed compactness (compactness) is one of the key indexes of roadbed and pavement construction quality detection, and represents the density condition after on-site compaction, and the higher the compactness is, the higher the density is, the better the overall performance of the material is. When the compactness of the existing roadbed is detected, the roadbed test contains water inside, so that the roadbed can not be completely dried, and when the roadbed is detected by an irrigation method, water immersion is not thorough, so that the detection result is inaccurate, and the construction quality is influenced; therefore, a novel roadbed compactness test detection device is urgently needed in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a road bed compactness test detection equipment, including weighing device, soaking tank and toast the case, be equipped with the support frame on the weighing device, be equipped with soaking tank and toast the case on the support frame, be equipped with the holder in the toast case, the holder centre gripping is fixed road bed sample that awaits measuring, toast the incasement and be equipped with the heater, the heater provides the stoving heat of toasting the case for the road bed sample that awaits measuring on the drying holder; the water immersion tank is used for water immersion of a roadbed sample to be detected; the weighing device is used for weighing the weight of the roadbed sample to be measured.

Furthermore, the clamping piece comprises a first clamping single piece and a second clamping single piece, and the first clamping single piece and the second clamping single piece are oppositely arranged on two side walls of the baking box; the first clamping single piece comprises a first supporting rod and a first clamping jaw, one end of the first supporting rod is installed on the side wall of the baking box, and the other end of the first supporting rod is provided with the first clamping jaw; the second centre gripping singleton includes second bracing piece and second jack catch, and the second bracing piece is installed at another lateral wall of toasting the case, and the second jack catch is installed to the second bracing piece other end, and the roadbed sample that awaits measuring is fixed to the same centre gripping of first jack catch and second jack catch.

Furthermore, the first clamping single piece and the second clamping single piece are both rotatably arranged on the baking box, and the first clamping single piece is also connected with a first driving device; the first driving device drives the first clamping single piece to rotate.

Furthermore, a first bearing is sleeved on a first supporting rod of the first clamping single piece, a first mounting groove is formed in one side wall of the baking oven, the first bearing is mounted in the first mounting groove, the end part of the first supporting rod is connected with a first driving device, and the first driving device drives the first supporting rod to rotate; the other lateral wall of the baking box is provided with a second mounting groove, the second mounting groove is provided with a sleeve in an inserted mode, the second supporting rod is rotatably inserted into the sleeve, the free end of the second supporting rod extends out of the sleeve, the extending part of the free end of the second supporting rod is provided with a spring in a sleeved mode, and the end portion of the free end of the second supporting rod is provided with a limiting block.

Furthermore, be equipped with the airtight door that can open and close on toasting the case, airtight door and toast the articulated or pin joint of case, airtight door is around pin joint or pin joint rotation, realizes opening and closing of airtight door, and is equipped with the exhaust hole on the airtight door.

Furthermore, the support frame includes two backup pads that set up relatively, is equipped with the soaking tank between two backup pads, and the two opposite sides of soaking tank are connected in the two backup pads of support frame with rotating.

Furthermore, a water inlet and a water outlet are arranged on the soaking tank, the water inlet is arranged at the upper part of the soaking tank, a water inlet pipe is arranged on the water inlet, a water inlet valve is arranged on the water inlet pipe and is used for communicating with external water supply equipment, and the water inlet valve controls water inlet of the soaking tank; the water outlet is arranged at the lower part of the soaking tank, a water discharge pipe is arranged on the water outlet, a water discharge valve is arranged on the water discharge pipe, and the water discharge valve controls the water discharge of the soaking tank.

Furthermore, a water level graduated scale is arranged on the soaking tank and used for measuring the liquid level in the soaking tank; the water immersion tank is provided with a level gauge.

Further, the device comprises a second driving device, the second driving device is connected with the water immersion tank, and the second driving device drives the water immersion tank to swing.

Further, the first driving device comprises a first motor, the output end of the first motor is connected with the first supporting rod, or the first motor is connected with the first supporting rod in a belt transmission, gear transmission or chain transmission mode; the second driving device comprises a second motor, and the second motor is connected with the water immersion tank through a cam mechanism or a slider-crank mechanism.

Compared with the prior art, the utility model discloses following beneficial effect has:

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic structural diagram of a roadbed compactness test detection device in the embodiment;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic structural view of a portion of the roaster oven of FIG. 1;

FIG. 4 is a schematic view of the structure of the portion of the flush tank of FIG. 1;

FIG. 5 is a schematic structural view of the portion A in FIG. 3;

the automatic water level measuring device comprises a weighing module 1, a weighing module 2, a baking box 3, a first motor 4, a sealed door 5, an exhaust hole 6, a support plate 7, a bottom plate 8, a water immersion box 9, a control assembly 10, a water inlet valve 11, a water level scale 12, a bubble level meter 13, a water outlet pipe 14, a water discharge valve 15, a second motor 16, a belt wheel 17, a first clamping jaw 18, a first support rod 19, an electric heating rod 20, a mounting bracket 21, a water inlet pipe 22, a sleeve 23, a second support rod 24, a second clamping jaw 25, a cam 26, a spring 27 and a limit block knob.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 5, the roadbed compactness test detection device provided by the embodiment comprises a weighing device, a water soaking tank 8 and a baking box 2, wherein a support frame is arranged on the weighing device, the water soaking tank and the baking box are arranged on the support frame, a clamping piece is arranged in the baking box, the clamping piece clamps and fixes a roadbed sample to be detected, a heater is arranged in the baking box, and the heater provides drying heat of the baking box and is used for drying the roadbed sample to be detected on the clamping piece; the water immersion tank is used for water immersion of a roadbed sample to be detected; the weighing device is used for weighing the roadbed sample to be measured, and comprises basic weighing of the roadbed sample to be measured, weighing of the dried roadbed sample to be measured and weighing of the immersed roadbed sample to be measured.

The weighing device comprises a bottom plate 7 and weighing device modules 1, the weighing device modules 1 are respectively installed at four corners of the bottom side of the bottom plate 7, two supporting plates 6 are symmetrically installed on the top plane of the bottom plate 7, the two supporting plates are symmetrical about the geometric center of the top plane of the bottom plate, and the two supporting plates form a supporting frame; the flooding box erects in two backup pads, and the flooding box is located between two backup pads, specifically includes: the two supporting plates are respectively and symmetrically provided with a hinge or pin joint structure, the two opposite sides of the water immersion tank are respectively connected to the hinge or pin joint structures of the two supporting plates, the bottom of the water immersion tank and the top side plane of the bottom plate of the weighing device are arranged in a clearance way, and the clearance distance between the bottom of the water immersion tank and the top side plane of the bottom plate of the weighing device is 50-300 mm. The immersion water tank is of a hollow tank body structure, the top of the immersion water tank is provided with an opening, a cover plate cover is arranged at the opening at the top of the immersion water tank, and the cover plate can open and close the immersion water tank; the water immersion tank is provided with a water inlet and a water outlet, the water inlet is arranged on the outer wall of one side of the water immersion tank and is positioned at the upper part of the water immersion tank, the water inlet is provided with a water inlet pipe 21, the water inlet and the water inlet pipe are communicated with the inside of the water immersion tank, the water inlet pipe is provided with a water inlet valve 10, the water inlet pipe can be connected with external water supply equipment, and the water inlet valve controls the water inlet of the water immersion tank; the outlet is arranged on the outer wall of one side of the soaking tank and is positioned at the lower part of the soaking tank, a drain pipe 13 is arranged on the outlet, the outlet and the drain pipe are communicated with the inside of the soaking tank, a drain valve 14 is arranged on the drain pipe, and the drain valve controls the drainage of the soaking tank.

The water immersion tank is also connected with a second driving device, the second driving device comprises a second motor 15, and the second motor is connected with the water immersion tank through a cam mechanism or a slider-crank mechanism; the second motor adopts cam mechanism to connect the soaking tank in this embodiment, specifically includes: the output end of the second motor is connected with a cam, the cam is in contact connection with the soaking tank, the side surface of the cam 25 is in tangential contact with the side wall of the soaking tank 8, and the second motor drives the cam to rotate so as to drive the soaking tank to swing back and forth; and the roadbed sample to be tested (the roadbed sample to be tested after drying operation) placed in the water immersion tank is completely immersed in water. The water immersion tank is provided with a water level dividing ruler 11, the water level dividing ruler is vertically embedded into the side wall of the water immersion tank along the height direction of the water immersion tank, the water level dividing ruler is a transparent dividing ruler, and the water level dividing ruler is used for measuring the liquid level in the water immersion tank; meanwhile, a level meter is arranged on the soaking water tank, and the level meter adopts a bubble level meter 12; the second motor drives the water immersion tank to realize that a roadbed sample to be measured (the roadbed sample to be measured after drying operation) stops swinging after being completely immersed in water, whether the water immersion tank is in a horizontal state is judged by observing whether bubbles of the level gauge are centered, and meanwhile, the water immersion tank is favorably adjusted to the horizontal position and measurement data of the water level dividing ruler are conveniently recorded; see fig. 2 and 4.

The top of the two supporting plates of the supporting frame is provided with a baking box, the bottom side of the inner wall of the baking box is provided with a mounting bracket 20, the mounting bracket is provided with a heater, and the heater adopts an electric heating rod 19; the two opposite side walls of the baking box are correspondingly provided with clamping pieces, and the clamping pieces are positioned above the electric heating rods; the clamping piece comprises a first clamping single piece and a second clamping single piece, the first clamping single piece and the second clamping single piece are both rotatably arranged on two side walls of the baking box, and the first clamping single piece is further connected with a first driving device; the first clamping single piece comprises a first supporting rod 18 and a first jaw 17, and the second clamping single piece comprises a second supporting rod 23 and a second jaw 24; the first drive means comprises a first motor 3; the output of the first motor is provided with a pulley 16.

First bracing piece runs through a lateral arm setting of toasting the case, the cover is equipped with first bearing on the first bracing piece, be equipped with first mounting groove on a lateral wall of toasting the case, first bearing is installed on the first mounting groove of toasting the case lateral wall, the one end of first bracing piece is located toasting the case outside, be located and be equipped with the band pulley on the first bracing piece end of toasting the case outside end, the cover is equipped with the drive belt on the band pulley, the band pulley of first motor is connected to the belt drive's mode, the other end of first bracing piece is equipped with first jack catch, first jack catch is the U-shaped structure, first jack catch is located toasting the incasement. A sleeve 22 penetrating through the side wall is arranged on the other side wall of the baking box, a second supporting rod is rotatably inserted into the sleeve, a second clamping jaw is arranged at one end of the second supporting rod, the second clamping jaw is of a U-shaped structure and is positioned in the baking box, the other end of the second supporting rod extends out of the sleeve and is positioned outside the baking box, a spring 26 is sleeved on the second supporting rod positioned outside the baking box, the outer diameter of the spring is matched with the caliber of the sleeve, the spring is prevented from being drawn into the sleeve, a limiting block is arranged at the end part of the second supporting rod sleeved with a spring end, the limiting block is a round knob (limiting block knob), and the diameter of the round knob is larger than the caliber of the sleeve; manually pulling the limiting block knob 27 to enable the second supporting rod to move towards the outer side of the baking box, so that the distance between the first clamping jaw and the second clamping jaw is increased, and the roadbed sample to be detected can be conveniently placed on the first clamping jaw and the second clamping jaw; the limiting block knob is loosened, the second supporting rod moves towards the inside of the baking oven under the action of elastic force compressed by the spring, the distance between the first clamping jaw and the second clamping jaw is shortened, and the elastic force of the spring can be transmitted to a roadbed sample to be detected clamped by the first clamping jaw and the second clamping jaw and is used as applied early warning force to stably clamp the roadbed sample to be detected; meanwhile, the first motor is not influenced to drive the roadbed sample to be tested clamped by the first clamping jaw and the second clamping jaw to rotate; see fig. 1, 3 and 5.

Be equipped with the airtight door 4 that can open and close on toasting the case, the top of toasting the case is equipped with the opening, the preferred square opening of opening, the opening part at top is equipped with airtight door, airtight door closure closes the opening at toasting the case top, airtight door one side is articulated or the pin joint with the opening of toasting the case, airtight door week side and the toasting tank wall contact connection at opening edge, airtight door is around pin joint or pin joint rotation, realize opening and closing of airtight door, and be equipped with exhaust hole 5 on the airtight door. The opening and the sealed door of the baking box are positioned right above the roadbed sample to be tested clamped by the first clamping jaw and the second clamping jaw, and water vapor in the roadbed sample to be tested is discharged through the exhaust hole of the sealed door in the baking process; see fig. 1.

In the embodiment, an initial roadbed sample to be detected (roadbed test sample to be detected) is obtained by a cutting ring method, and test samples with the same specification are obtained by the cutting ring method; when the roadbed test device is applied to roadbed test detection, the airtight door 4 is opened, the limit block knob at the end part of the second support rod is pulled, a roadbed sample to be detected is placed between the first clamping jaw and the second clamping jaw to be clamped and fixed, the electric heating rod 19 operates, meanwhile, the first motor 3 operates to drive the first support rod 18 to rotate in a belt transmission mode, under the coordination of the second support rod 22, rolling circulation heating and drying of the roadbed test sample to be detected are realized, after drying, the roadbed test sample to be detected after drying is added into the water immersion tank 8, scales before and after the roadbed test sample to be detected is added after the transparent graduated scale 11 is dried are respectively recorded, then the second motor 15 operates to drive the cam 25 to rotate, swinging oscillation of the water immersion tank 8 is realized, water immersion of the roadbed test sample to be detected is further realized, after the water immersion, the swinging motor 15 stops operating, the immersion tank 8 is adjusted to a horizontal position with the bubble level 12, and data of the transparent scale 11 is recorded. Meanwhile, in the whole drying and water immersion process, the weighing device 1 records the quality of each link of the roadbed test sample to be detected, including the quality of the roadbed test sample to be detected initially, the quality of the roadbed test sample to be detected after drying and the quality of the roadbed test sample to be detected after water immersion. And then, obtaining the compactness of the roadbed by the existing compactness calculation formula and calculation method.

It should be noted that the device of the present application further includes a control assembly, the control assembly 9 is installed on the bottom plate 7, and the control assembly 9 is electrically connected to the first motor 3, the second motor 15 and the electric heating rod 19 respectively; the control assembly is the existing equipment and is used for controlling the operation of the first motor and the second motor and controlling the heating of the electric heating rod.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A roadbed compactness test detection device is characterized by comprising a weighing device, a water soaking tank (8) and a baking box (2), wherein a support frame is arranged on the weighing device, the water soaking tank and the baking box are arranged on the support frame, a clamping piece is arranged in the baking box, the clamping piece clamps and fixes a roadbed sample to be detected, a heater is arranged in the baking box, and the heater provides drying heat of the baking box and is used for drying the roadbed sample to be detected on the clamping piece; the water immersion tank is used for water immersion of a roadbed sample to be detected; the weighing device is used for weighing the weight of the roadbed sample to be measured.

2. The roadbed compactness test detection equipment as claimed in claim 1, wherein the clamping member comprises a first clamping single piece and a second clamping single piece, and the first clamping single piece and the second clamping single piece are oppositely arranged on two side walls of the baking box; the first clamping single piece comprises a first supporting rod (18) and a first clamping jaw (17), one end of the first supporting rod is arranged on the side wall of the baking box, and the other end of the first supporting rod is provided with the first clamping jaw; the second centre gripping singleton includes second bracing piece (23) and second jack catch (24), and the second bracing piece is installed at another lateral wall of toasting the case, and the second jack catch is installed to the second bracing piece other end, and the roadbed sample that awaits measuring is fixed to the same centre gripping of first jack catch and second jack catch.

3. The roadbed compactness test detection equipment as claimed in claim 2, wherein the first clamping single piece and the second clamping single piece are rotatably mounted on the baking box, and the first clamping single piece is further connected with a first driving device; the first driving device drives the first clamping single piece to rotate.

4. The roadbed compactness test detection equipment is characterized in that a first bearing is sleeved on a first supporting rod of a first clamping single piece, a first mounting groove is formed in one side wall of the baking box (2), the first bearing is mounted in the first mounting groove, the end part of the first supporting rod (18) is connected with a first driving device, and the first driving device drives the first supporting rod to rotate; the other lateral wall of the baking box is provided with a second mounting groove, the second mounting groove is provided with a sleeve (22) in an inserted mode, the second supporting rod is rotatably inserted into the sleeve, the free end of the second supporting rod (23) extends out of the sleeve (22), the extending part of the free end of the second supporting rod is provided with a spring (26), and the end part of the free end of the second supporting rod is provided with a limiting block.

5. The roadbed compactness test detection equipment according to claim 4, characterized in that the baking oven (2) is provided with a sealed door (4) which can be opened and closed, the sealed door is hinged or pinned with the baking oven, the sealed door rotates around a hinged point or a pin joint to realize the opening and closing of the sealed door, and the sealed door is provided with an exhaust hole (5).

6. A roadbed compactness test detection device according to any one of claims 3-5, wherein the supporting frame comprises two supporting plates (6) which are oppositely arranged, a water immersion tank (8) is arranged between the two supporting plates, and two opposite sides of the water immersion tank are rotatably connected with the two supporting plates of the supporting frame.

7. The roadbed compactness test detection equipment according to claim 6, wherein the water immersion tank (8) is provided with a water inlet and a water outlet, the water inlet is arranged at the upper part of the water immersion tank, the water inlet is provided with a water inlet pipe (21), the water inlet pipe is provided with a water inlet valve (10) and is used for being communicated with external water supply equipment, and the water inlet valve controls the water inlet of the water immersion tank; the water outlet is arranged at the lower part of the soaking tank, a water discharge pipe (13) is arranged on the water outlet, a water discharge valve (14) is arranged on the water discharge pipe, and the water discharge valve controls the water discharge of the soaking tank.

8. The roadbed compactness test detection equipment is characterized in that a water level graduated scale (11) is arranged on the water immersion tank and used for measuring the liquid level in the water immersion tank; the water immersion tank is provided with a level gauge.

9. The roadbed compactness test detection equipment as claimed in claim 8, wherein the roadbed compactness test detection equipment comprises a second driving device, the second driving device is connected with the water immersion tank, and the second driving device drives the water immersion tank to swing.

10. The roadbed compactness test detection equipment is characterized in that the first driving device comprises a first motor (3), the output end of the first motor is connected with the first supporting rod (18), or the first motor is connected with the first supporting rod in a belt transmission manner, a gear transmission manner or a chain transmission manner; the second driving device comprises a second motor (15), and the second motor is connected with the water immersion tank (8) through a cam mechanism or a slider-crank mechanism.