CN213903233U

CN213903233U - Pitch penetration tester

Info

Publication number: CN213903233U
Application number: CN202022673239.9U
Authority: CN
Inventors: 张天天; 邵津皖; 陈登巍; 田中男; 刘恒彬; 郑文章; 方滢; 杨建华; 许铖
Original assignee: Changan University
Current assignee: Changan University
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-06
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a pitch needle penetration tester relates to pitch needle penetration technical field the utility model discloses a bottom plate, one side at bottom plate top is fixed with first pillar, and the inside sliding connection of first pillar has the second pillar, and the top welding of second pillar has the horizontal pole, and the controller is installed at the top of horizontal pole, and the inside sliding connection of horizontal pole has a plurality of removal posts. The utility model discloses a climbing mechanism, a controller, force sensor, contact piece and detection needle can make this device accurate decline and detect the needle, make the surface of the contact pitch that the detection needle can be just good through force sensor's forced induction, use manpower sparingly, and is more convenient, through driving motor, first threaded rod, second threaded rod, movable block, movable plate, temperature detector and heating pipe, can make pitch can obtain heating in the inside of heating cabinet, makes pitch remain at 25 ℃ all the time.

Description

Pitch penetration tester

Technical Field

The utility model belongs to the technical field of the pitch needle penetration, especially, relate to a pitch needle penetration tester.

Background

The asphalt penetration is an index of asphalt quality, which is used for expressing the hardness degree and consistency of asphalt and resisting shearing damage, and the asphalt penetration reflecting the relative viscosity of asphalt under a certain condition is the depth of a standard needle (100g) with a certain weight vertically penetrating into an asphalt sample within a specified time (5s) at a specified temperature (25 ℃), and the unit is 0.01 mm.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pitch penetration tester to current problem has been solved: in the test of current pitch needle penetration, what the ascending and descending of pitch needle connecting rod adopted is that the manual nut of twisting the braking, need constantly adjust, wastes time and energy, judges whether the syringe needle contacts pitch sample surface and observes through the magnifying glass, and different observation personnel just have different judgement standards, and the syringe needle can excessively insert or not insert the pitch sample sometimes to make the experiment result error great.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an asphalt penetration tester, which comprises a bottom plate, wherein a first supporting column is fixed on one side of the top of the bottom plate, and a second supporting column is connected inside the first supporting column in a sliding way;

a cross rod is welded at the top of the second support, a controller is installed at the top of the cross rod, a plurality of moving columns are connected to the inside of the cross rod in a sliding mode, moving round blocks are welded at the tops of the moving columns, contact blocks are fixed at the bottoms of the moving columns, a tension sensor is further arranged between each moving round block and the cross rod, a detection needle is installed at the bottom of the cross rod, and the bottoms of the contact blocks and the detection needle are on the same horizontal plane;

a transverse plate is welded at one end of the first support, a jacking mechanism is fixed at the top of the transverse plate, and the top of the jacking mechanism is fixedly connected with the transverse rod;

the heating box is mounted at the top of the bottom plate, a U-shaped plate is welded on one side of the heating box, a driving motor is fixed to the other end of the U-shaped plate through a bolt, a first threaded rod is fixed to the output end of the driving motor, a second threaded rod is welded at one end of the first threaded rod, and the thread turning directions of the first threaded rod and the second threaded rod are opposite;

moving blocks are in threaded connection with the outer sides of the first threaded rod and the second threaded rod respectively, a moving plate is welded to the other side of each moving block, and the moving plate and the heating box as well as the moving blocks and the heating box are in sliding connection;

the inside of heating cabinet is provided with a plurality of heating pipes, the inside of heating cabinet still is provided with temperature detector.

Furthermore, the bottom welding of second pillar has the stopper, a cavity has been seted up to the inside of first pillar, carry out sliding connection through the cooperation of cavity and stopper between first pillar and the second pillar.

Further, the jacking mechanism is a cylinder or a hydraulic cylinder or an electric push rod.

Furthermore, the junction of first threaded rod and second threaded rod still is connected with a baffle through the bearing rotation, the baffle is welded connection with the U template.

Further, first threaded rod and U template, second threaded rod and U template all carry out rotation through the bearing and are connected.

Furthermore, the jacking mechanism, the tension sensor, the heating pipe, the temperature detector and the driving motor are electrically connected with a controller, and the controller is SC-200 in model.

The utility model discloses following beneficial effect has:

1. the utility model discloses a climbing mechanism, controller, force sensor, contact piece and detection needle can make this device accurate decline and detect the needle, and the forced induction through force sensor makes the surface of the contact pitch that the detection needle can be just good, uses manpower sparingly, and is more convenient.

2. The utility model discloses a driving motor, first threaded rod, second threaded rod, movable block, movable plate, temperature detector and heating pipe can make pitch obtain the heating in the inside of heating cabinet for pitch remains at 25 ℃ all the time.

Of course, it is not necessary for any product to achieve all of the above-described advantages simultaneously in practicing the invention

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the detection pin of the present invention;

FIG. 3 is a schematic structural view of the stopper of the present invention;

fig. 4 is a schematic structural diagram of the driving motor of the present invention;

fig. 5 is a schematic structural view of the heating pipe of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base plate; 2. a heating box; 3. a first support; 4. a transverse plate; 5. a jacking mechanism; 6. a second support; 7. a controller; 8. a cross bar; 9. moving the round block; 10. a tension sensor; 11. moving the column; 12. a detection pin; 13. a contact block; 14. a limiting block; 15. moving the plate; 16. a drive motor; 17. a U-shaped plate; 18. a first threaded rod; 19. a moving block; 20. a second threaded rod; 21. heating a tube; 22. A temperature detector.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some of the embodiments of the present invention, and not all embodiments are based on the embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention

Referring to fig. 1-5, the utility model relates to an asphalt penetration tester, which comprises a bottom plate 1, a first support 3 fixed on one side of the top of the bottom plate 1, and a second support 6 connected with the inside of the first support 3 in a sliding manner;

specifically, in order that the second support 6 can slide inside the first support 3, the bottom of the second support 6 is welded with a limiting block 14, a cavity is formed inside the first support 3, and the first support 3 and the second support 6 are in sliding connection through the matching of the cavity and the limiting block 14;

a cross rod 8 is welded at the top of the second support 6, a controller 7 is installed at the top of the cross rod 8, a plurality of moving columns 11 are connected inside the cross rod 8 in a sliding mode, moving round blocks 9 are welded at the tops of the moving columns 11, contact blocks 13 are fixed at the bottoms of the moving columns 11, tension sensors 10 are further arranged between the moving round blocks 9 and the cross rod 8, the tops of the tension sensors 10 are fixedly connected with the moving round blocks 9, detection needles 12 are installed at the bottoms of the cross rod 8, and the bottoms of the contact blocks 13 and the detection needles 12 are on the same horizontal plane;

a transverse plate 4 is welded at one end of the first support 3, a jacking mechanism 5 is fixed at the top of the transverse plate 4, and the top of the jacking mechanism 5 is fixedly connected with a transverse rod 8;

specifically, for diversified selection of the jacking mechanism 5, the jacking mechanism 5 is an air cylinder or a hydraulic cylinder or an electric push rod;

the heating box 2 is installed at the top of the bottom plate 1, a U-shaped plate 17 is welded on one side of the heating box 2, a driving motor 16 is fixed at the other end of the U-shaped plate 17 through a bolt, a first threaded rod 18 is fixed at the output end of the driving motor 16, a second threaded rod 20 is welded at one end of the first threaded rod 18, and the thread turning directions of the first threaded rod 18 and the second threaded rod 20 are opposite;

specifically, in order to better connect the first threaded rod 18 with the second threaded rod 20, a partition plate is rotatably connected to the joint of the first threaded rod 18 and the second threaded rod 20 through a bearing, and the partition plate is connected with the U-shaped plate 17 in a welding manner;

specifically, the first threaded rod 18 and the U-shaped plate 17, and the second threaded rod 20 and the U-shaped plate 17 are rotatably connected through bearings;

the outer sides of the first threaded rod 18 and the second threaded rod 20 are both in threaded connection with a moving block 19, the other side of the moving block 19 is welded with a moving plate 15, and the moving plate 15 is in sliding connection with the heating box 2 and the moving block 19 is in sliding connection with the heating box 2;

a plurality of heating pipes 21 are arranged in the heating box 2, and a temperature detector 22 is also arranged in the heating box 2;

specifically, the jacking mechanism 5, the tension sensor 10, the heating pipe 21, the temperature detector 22 and the driving motor 16 are electrically connected with the controller 7, and the controller 7 is SC-200 in model.

One specific application of this embodiment is: when the device is electrically connected with an external power supply and asphalt needs to be detected, the asphalt needs to be injected into the heating box 2, then the operation of the heating pipe 21 enables the temperature of the asphalt in the heating box 2 to be raised, then the temperature detector 22 detects the asphalt in real time, the operation of the driving motor 16 drives the first threaded rod 18 to rotate, the first threaded rod 18 drives the moving blocks 19 to axially move along the threaded rod 18, and further the two moving blocks 19 slide towards the direction far away from the partition plate, so that the two moving plates 15 move out of the heating box 2, meanwhile, through the operation of the jacking mechanism 5, the cross rod 8 moves downwards, and simultaneously drives the second support 6 and the limiting block 14 to slide in the first support 3, so that the cross rod 8 is more stable, when the contact block 13 contacts the surface of the asphalt, the moving columns 11 and the moving round blocks 9 slide upwards, then, the upward force is detected through the tension sensor 10 fixed on the movable round block 9, when the tension sensor 10 detects the force, a signal is fed back to the controller 7, and the controller 7 stops the operation of the jacking mechanism 5 after receiving the signal, so that the detection needle 12 is in contact with the asphalt surface.

Reference throughout this specification to the description of "one embodiment," "an example," "a specific example," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention

The preferred embodiments of the present invention have been disclosed merely to help clarify the preferred embodiments of the present invention and not to limit the invention to the exact details described, and it will be apparent from the present disclosure that numerous modifications and variations can be made in the embodiments herein chosen and described in detail in order to best explain the principles of the invention and the practical application, and to thereby enable others skilled in the art to best understand and utilize the invention in accordance with the claims and their full scope and equivalents.

Claims

1. The utility model provides an asphalt penetration tester, includes bottom plate (1), its characterized in that: a first support column (3) is fixed on one side of the top of the bottom plate (1), and a second support column (6) is connected inside the first support column (3) in a sliding manner;

a cross rod (8) is welded at the top of the second support (6), a controller (7) is installed at the top of the cross rod (8), a plurality of moving columns (11) are connected to the inside of the cross rod (8) in a sliding mode, moving round blocks (9) are welded at the tops of the moving columns (11), contact blocks (13) are fixed at the bottoms of the moving columns (11), a tension sensor (10) is further arranged between each moving round block (9) and the cross rod (8), detection needles (12) are installed at the bottoms of the cross rod (8), and the bottoms of the contact blocks (13) and the detection needles (12) are on the same horizontal plane;

a transverse plate (4) is welded at one end of the first support column (3), a jacking mechanism (5) is fixed at the top of the transverse plate (4), and the top of the jacking mechanism (5) is fixedly connected with a transverse rod (8);

the heating box (2) is installed at the top of the bottom plate (1), a U-shaped plate (17) is welded on one side of the heating box (2), a driving motor (16) is fixed to the other end of the U-shaped plate (17) through a bolt, a first threaded rod (18) is fixed to the output end of the driving motor (16), a second threaded rod (20) is welded on one end of the first threaded rod (18), and the thread turning directions of the first threaded rod (18) and the second threaded rod (20) are opposite;

the outer sides of the first threaded rod (18) and the second threaded rod (20) are both in threaded connection with a moving block (19), the other side of the moving block (19) is welded with a moving plate (15), and the moving plate (15) is in sliding connection with the heating box (2) and the moving block (19) is in sliding connection with the heating box (2);

the inside of heating cabinet (2) is provided with a plurality of heating pipes (21), the inside of heating cabinet (2) still is provided with temperature detector (22).

2. The asphalt penetration tester according to claim 1, wherein a limiting block (14) is welded at the bottom of the second support column (6), a cavity is formed in the first support column (3), and the first support column (3) and the second support column (6) are in sliding connection through the matching of the cavity and the limiting block (14).

3. An asphalt penetration tester according to claim 1, wherein the jacking mechanism (5) is a pneumatic cylinder, a hydraulic cylinder or an electric push rod.

4. The asphalt penetration tester as claimed in claim 1, wherein a partition plate is rotatably connected to the joint of the first threaded rod (18) and the second threaded rod (20) through a bearing, and the partition plate is welded to the U-shaped plate (17).

5. An asphalt penetration tester according to claim 1, wherein the first threaded rod (18) and the U-shaped plate (17) and the second threaded rod (20) and the U-shaped plate (17) are rotatably connected through bearings.

6. The asphalt penetration tester according to claim 1, wherein the jacking mechanism (5), the tension sensor (10), the heating pipe (21), the temperature detector (22) and the driving motor (16) are all electrically connected with a controller (7), and the controller (7) is SC-200 in model.