CN112903532A

CN112903532A - Pitch penetration tester

Info

Publication number: CN112903532A
Application number: CN202110272517.6A
Authority: CN
Inventors: 吴永静; 姜建俭; 赵佳丽
Original assignee: Hangzhou Traffic Engineering Test Center Co ltd
Current assignee: Hangzhou Traffic Engineering Test Center Co ltd
Priority date: 2021-03-13
Filing date: 2021-03-13
Publication date: 2021-06-04

Abstract

The utility model belongs to the technical field of detecting instrument's technique and specifically relates to a pitch penetrometer is related to, comprises a workbench, the fixed slip table that is provided with on the workstation, it is provided with the penetrometer to slide on the slip table, be provided with the drive assembly who is used for driving penetrometer lift removal on the slip table, it is provided with the base to slide on the workstation, be provided with the control assembly who is used for adjusting the base position on the workstation. The sliding table is provided with a sliding groove, the needle penetration meter is fixedly provided with a sliding block, and the sliding block is arranged in the sliding groove in a sliding mode. The sliding groove is a dovetail groove, and the sliding block is a trapezoidal block matched with the sliding groove. The driving assembly comprises a screw rod rotatably arranged on the sliding table, a worm wheel fixedly arranged on the screw rod, a worm rotatably arranged on the sliding table and a power part for driving the worm to rotate; the sliding block is in threaded connection with the screw rod, and the worm wheel is meshed with the worm. This application has the effect that promotes the accuracy that the needle penetration detected.

Description

Pitch penetration tester

Technical Field

The application relates to the technical field of detecting instruments, in particular to an asphalt penetration tester.

Background

Asphalt is a product in the process of crude oil processing, and mainly comprises four kinds of natural asphalt, petroleum asphalt, shale asphalt, coal tar asphalt and the like. With the rapid development of economy in China, asphalt is used as an infrastructure material, a raw material and a fuel, and plays a significant role in the development of industry and roads in China. As the effect of asphalt is gradually increased, the quality requirement on the asphalt is also increased, the penetration degree of the asphalt is one of important data for inspecting the quality of the asphalt, and the penetration degree of the asphalt is an index which represents the hardness degree and consistency of the asphalt and the capability of resisting shearing damage and reflects the relative viscosity of the asphalt under certain conditions.

The asphalt penetration tester is an instrument for testing the penetration of asphalt. In the measurement, the asphalt is filled into a sample container, the sample container is filled into a glass vessel, and then the asphalt is measured by an asphalt penetration tester. Meanwhile, in the measurement, a plurality of measurements are required, which requires a worker to move the position of the glass dish on the asphalt penetrometer. Because the manual movement is not accurate enough, the accuracy of the measurement is affected.

Disclosure of Invention

In order to promote the accuracy that the penetration detected, this application provides an pitch penetration apparatus.

The application provides a pitch penetration apparatus adopts following technical scheme:

the utility model provides an asphalt penetration apparatus, includes the workstation, the fixed slip table that is provided with on the workstation, it is provided with the penetration appearance to slide on the slip table, be provided with the drive assembly who is used for driving penetration appearance lift travel on the slip table, it is provided with the base to slide on the workstation, be provided with the control assembly who is used for adjusting the base position on the workstation.

Through adopting above-mentioned technical scheme, drive assembly can drive the needle penetration appearance and go up and down to remove to the needle penetration survey to the sample has been realized. When the base is moved, the control assembly is used for moving more stably, and the control of workers is facilitated.

Optionally, a sliding groove is formed in the sliding table, a sliding block is fixedly arranged on the penetration meter, and the sliding block is arranged in the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, the spout has played the effect of direction to the slider for the slider is more steady when moving on the slip table, and difficult emergence is crooked. Thereby promoted the stationarity of needle penetration appearance when removing on the slip table for the testing result is more accurate when needle penetration detects.

Optionally, the sliding groove is a dovetail groove, and the sliding block is a trapezoidal block matched with the sliding groove.

Through adopting above-mentioned technical scheme, set up the spout into the dovetail and can promote the compactness of being connected between spout and the slider for the slider is more steady when moving on the slip table, makes the slider difficult break away from the spout.

Optionally, the driving assembly comprises a screw rod rotatably arranged on the sliding table, a worm wheel fixedly arranged on the screw rod, a worm rotatably arranged on the sliding table, and a power part for driving the worm to rotate; the sliding block is in threaded connection with the screw rod, and the worm wheel is meshed with the worm.

Through adopting above-mentioned technical scheme, power can be exported to the power spare, is driving the worm and is rotating, and the worm drives the worm wheel and rotates, and the worm wheel can drive the screw rod and rotate. The screw rod drives the sliding block to move in the sliding groove when rotating, so that the position of the penetrometer is adjusted. Wherein, use worm wheel and worm drive's mode can play the effect of auto-lock for the worm wheel can't be driving the worm and is rotating, thereby has realized the fixed to the needle penetration appearance position on the slip table, has avoided the needle penetration appearance to take place to slide, has improved the degree of accuracy that the needle penetration detected.

Optionally, the power part is a servo motor fixedly arranged on the sliding table, and an output end of the servo motor is connected with the worm.

Through adopting above-mentioned technical scheme, use servo motor as the power supply, can overcome step motor's step-out problem, servo motor is more steady when the low-speed operation, can not produce step motor's step-by-step operation phenomenon for the staff is more accurate and stable when the position of adjustment needle penetration appearance, thereby has promoted the accuracy that the needle penetration detected.

Optionally, the workbench is provided with a positioning groove with two closed ends, the base is fixedly provided with a positioning block, and the positioning block is slidably arranged in the positioning groove.

Through adopting above-mentioned technical scheme, the constant head tank has played the effect of direction to the removal of locating piece for the locating piece is more steady when removing, also makes the base more steady on the workstation, thereby has promoted the degree of accuracy that the penetration detected.

Optionally, the control assembly comprises a screw rod rotatably arranged on the workbench and a knob fixedly arranged at the end of the screw rod, and the screw rod is in threaded connection with the positioning block.

Through adopting above-mentioned technical scheme, can drive the lead screw through rotating the knob and rotate, can drive the locating piece and remove in the constant head tank when the lead screw rotates, can drive the base removal when the locating piece removes to the adjustment to the base position has been realized. The position of the base is adjusted by using the screw rod, so that the base is more stable when moving, and meanwhile, the glass vessel is not easy to shake when the base is moved.

Optionally, scales are arranged on the workbench, a pointer is fixedly arranged on the base, and the pointer points to the scales.

Through adopting above-mentioned technical scheme, pointer on the base has pointed to the scale on the workstation for the staff can be more audio-visual when moving the base obtain the displacement of base.

Optionally, a limiting block is fixedly arranged on the base, and a space for placing the glass vessel is enclosed by the limiting block.

Through adopting above-mentioned technical scheme, the stopper has enclosed into the region the same with the bottom surface shape of glass ware, provides the location for placing of glass ware. When the base is moved, the limiting block is abutted to the outer wall of the glass vessel, and the glass vessel is driven to move together, so that the glass vessel is firmer on the base.

Optionally, the fixed spirit level that is provided with on the workstation, the fixed connecting block that is provided with in edge of workstation, threaded connection has adjusting bolt in the connecting block, adjusting bolt's bottom mounting is provided with the stabilizer blade.

Through adopting above-mentioned technical scheme, the bubble spirit level has made things convenient for the staff to observe whether the workstation is in the horizontality. When the workstation is not in the horizontality, can be through rotating the adjusting bolt of different positions, with the ascending lifting of workstation to make the workstation adjusted to the horizontality, be favorable to the accuracy that the needle penetration detected.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the drive assembly can drive the penetration meter to move up and down, so that penetration measurement of the sample is realized. When the base is moved, the control assembly is used for moving more stably, and the control of workers is facilitated.

2. The power part can output power, drives the worm to rotate, and the worm drives the worm wheel to rotate, and the worm wheel can drive the screw rod to rotate. The screw rod drives the sliding block to move in the sliding groove when rotating, so that the position of the penetrometer is adjusted. Wherein, use worm wheel and worm drive's mode can play the effect of auto-lock for the worm wheel can't be driving the worm and is rotating, thereby has realized the fixed to the needle penetration appearance position on the slip table, has avoided the needle penetration appearance to take place to slide, has improved the degree of accuracy that the needle penetration detected.

3. The screw rod can be driven to rotate through the rotating knob, the positioning block can be driven to move in the positioning groove when the screw rod rotates, and the base can be driven to move when the positioning block moves, so that the position of the base can be adjusted. The position of the base is adjusted by using the screw rod, so that the base is more stable when moving, and meanwhile, the glass vessel is not easy to shake when the base is moved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic sectional view of an embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Reference numerals: 1. a work table; 11. positioning a groove; 12. a bubble level; 13. connecting blocks; 14. adjusting the bolt; 15. a support leg; 2. a sliding table; 21. a chute; 3. a penetrometer; 31. a slider; 4. a base; 41. positioning blocks; 42. a pointer; 43. a limiting block; 51. a screw; 52. a worm gear; 53. a worm; 54. a servo motor; 61. a screw rod; 62. a knob.

Detailed Description

The technical solutions in the present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses pitch penetration apparatus. Referring to fig. 1, an asphalt penetration tester includes a table 1. A sliding table 2 is fixedly arranged on the working table 1. The sliding table 2 is provided with a penetration meter 3 in a sliding manner, so that the penetration meter 3 can move up and down along the height direction of the sliding table 2. Be provided with the drive assembly who is used for driving 3 lifting movements of penetrometer on slip table 2 for the interval between adjustment penetrometer 3 and the workstation 1 makes things convenient for the staff to put the sample on workstation 1. The base 4 is arranged on the workbench 1 in a sliding mode, the control assembly used for adjusting the position of the base 4 on the workbench 1 is arranged on the workbench 1, and the glass dish arranged on the base 4 is driven to move by moving the base 4, so that the standard needles on the penetrometer 3 can be inserted into different positions of a sample, and the purpose of multiple parallel tests is achieved. The base 4 is driven to move by using the control component, so that the glass dish on the base 4 is more stable in moving.

Referring to fig. 1 and 2, a sliding chute 21 with two closed ends is disposed on the sliding table 2 along the height direction. A slider 31 is fixedly provided to the penetrometer 3. The slider 31 is slidably disposed in the slide groove 21 so that the slider 31 can move along with the penetration meter 3 when moving along the groove length direction of the slide groove 21. The setting of spout 21 has played direction and spacing effect to slider 31 for slider 31 is more steady when moving on slip table 2, and difficult emergence is crooked, thereby makes the needle penetration appearance 3 testing result more accurate when testing the needle penetration.

In order to further improve the stability of the penetrometer 3 on the sliding table 2, the sliding groove 21 is provided with a dovetail groove, and the sliding block 31 is provided with a trapezoidal block matched with the sliding groove 21, so that the connection tightness between the sliding block 31 and the sliding groove 21 is improved. The sliding groove 21 is arranged to be a dovetail groove, so that the limiting effect on the sliding block 31 is improved, the sliding block 31 can only move along the groove length direction of the sliding groove 21 in the sliding groove 21, and the sliding block 31 is prevented from being inclined. Meanwhile, the sliding block 31 is firmer in the sliding groove 21, so that the sliding block 31 is not easy to fall off from the sliding groove 21.

Referring to fig. 2 and 3, the driving assembly includes a screw 51 rotatably disposed on the sliding table 2, a worm wheel 52 fixedly disposed on the screw 51, a worm 53 rotatably disposed on the sliding table 2, and a power member for driving the worm 53 to rotate. The axial direction of the screw 51 is the same as the groove length direction of the slide groove 21, and the screw 51 is disposed in the slide groove 21. The slider 31 is provided with a threaded hole matching the screw 51 so that the slider 31 and the screw 51 are screwed together, and when the screw 51 rotates, the slider 31 moves along the axis of the screw 51.

Referring to fig. 2 and 3, a worm gear 52 is located at an end of the screw 51 facing away from the table 1. When the worm wheel 52 rotates, the screw 51 can be rotated together. The axis of the worm 53 is perpendicular to the axis of the screw 51. The worm 53 is intermeshed with the worm gear 52 such that rotation of the worm 53 causes rotation of the worm gear 52.

The worm 53 is driven by the power output by the power member to rotate, the worm 53 drives the worm wheel 52 engaged with the worm 53 to rotate, and the worm wheel 52 drives the screw 51 to rotate. When the screw 51 rotates, the slider 31 can be driven to move in the sliding groove 21, so that the needle penetration meter 3 can be moved. Wherein, use worm wheel 52 and the driven effect that can play the auto-lock of worm 53 for worm wheel 52 can't drive worm 53 and rotate, thereby realized the fixed of penetration appearance 3 position on slip table 2, avoided penetration appearance 3 to take place to slide, improved the degree of accuracy that the penetration detected.

Referring to fig. 2 and fig. 3, the power member is a servo motor 54 fixedly disposed at an end of the sliding table 2 away from the working table 1. The output end of the servo motor 54 is fixedly connected with the worm 53, so that the power output by the servo motor 54 can drive the worm 53 to rotate. Servo motor 54's operation precision is higher, has overcome step motor's step-out problem, and servo motor 54 is more steady when the low-speed operation, can not produce step motor's step-by-step operation phenomenon for the staff is more accurate and stable when the position of adjustment needle penetration appearance 3, thereby has promoted the accuracy that the needle penetration detected.

Referring to fig. 2, the worktable 1 is provided with a positioning groove 11 with two closed ends. A positioning block 41 is integrally formed on the base 4 on the side close to the table 1. The positioning block 41 is arranged in the positioning groove 11 in a sliding manner, so that the positioning groove 11 plays a role in guiding the movement of the positioning block 41, the positioning block 41 is not prone to being inclined when moving, and the stability of the base 4 when moving on the workbench 1 is improved.

Referring to fig. 2, the control assembly includes a screw 61 rotatably disposed on the worktable 1 and a knob 62 fixedly disposed at an end of the screw 61. Wherein, the axial direction of the screw rod 61 is the same as the groove length direction of the positioning groove 11, and the screw rod 61 is arranged in the positioning groove 11. One end of the screw rod 61 penetrates through the workbench 1 along the groove length direction of the positioning groove 11 and extends outwards, and the knob 62 is fixedly arranged at one end of the screw rod 61, which is positioned outside the workbench 1. A threaded hole matched with the screw rod 61 is formed in the positioning block 41, so that the screw rod 61 and the positioning block 41 are connected together in a threaded mode. The screw rod 61 can be driven to rotate by rotating the knob 62, and the positioning block 41 can be driven to move in the positioning slot 11 when the screw rod 61 rotates.

Referring to fig. 1, in order to make the movement of the base 4 easier for the operator to control, scales are provided on the table 1 along the slot length direction of the positioning slot 11. A pointer 42 is integrally formed on the base 4, and the pointer 42 points to the scale on the table 1. The pointer 42 points to different positions of the scale when the base 4 is moved, thereby making it easier for the worker to determine the moving distance of the base 4.

Referring to fig. 1, in order to improve the stability of the glass vessel on the base 4, so that the glass vessel is more stable when the base 4 drives the glass vessel to move, a limiting block 43 is fixedly disposed on the base 4. The limiting block 43 encloses an area with the same shape as the bottom surface of the glass vessel, and positioning is provided for placement of the glass vessel. Simultaneously, when placing the glass ware on base 4, stopper 43 supports on the outer wall of glass ware, has realized spacing to the glass ware for the glass ware is more firm on base 4.

Referring to fig. 1, in order to improve the accuracy of needle penetration detection, a bubble level 12 is fixedly disposed on the workbench 1, which is convenient for a worker to observe whether the workbench 1 is in a horizontal state. The corner of the workbench 1 is fixedly provided with a connecting block 13, the connecting block 13 is in threaded connection with an adjusting bolt 14, and the adjusting bolt 14 penetrates through the connecting block 13 and extends downwards. A support leg 15 is fixedly arranged at the bottom end of the adjusting bolt 14, and in some realizable cases, the support leg 15 is made of rubber. The rubber has good elasticity, wear resistance and shock absorption, and is beneficial to the stability of the workbench 1. By turning the adjusting bolts 14 at different positions, the table 1 can be adjusted to a horizontal state.

The implementation principle of the embodiment of the application is as follows: before the test sample is inspected, the bubble level 12 is observed to determine whether the stage 1 is in a horizontal state. The table 1 is adjusted to a horizontal state by adjusting the adjusting bolt 14. The servomotor 54 is started to drive the penetrometer 3 to rise, and the glass dish is placed on the base 4, so that the limit block 43 surrounds the glass dish in the middle.

The servomotor 54 is again activated, so that the penetrometer 3 is lowered and the standard needle on the penetrometer 3 is brought into contact with the sample to be tested. The penetrometer 3 is then activated and the sample is tested. The standard needle is removed and left on the sample, the penetrometer 3 is raised and a new standard needle is mounted on the penetrometer 3. The knob 62 is turned to control the moving distance of the base 4 by observing the position of the pointer 42. And then, detecting the penetration degree of the sample again, and determining the penetration degree of the sample after multiple detections.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an asphalt penetration apparatus which characterized in that: including workstation (1), fixed slip table (2) that is provided with on workstation (1), the slip is provided with penetrometer (3) on slip table (2), be provided with the drive assembly who is used for driving penetrometer (3) elevating movement on slip table (2), the slip is provided with base (4) on workstation (1), be provided with the control assembly who is used for adjusting base (4) position on workstation (1).

2. The asphalt penetration tester according to claim 1, wherein: a sliding groove (21) is formed in the sliding table (2), a sliding block (31) is fixedly arranged on the penetration meter (3), and the sliding block (31) is arranged in the sliding groove (21) in a sliding mode.

3. The asphalt penetration tester according to claim 2, wherein: the sliding groove (21) is a dovetail groove, and the sliding block (31) is a trapezoidal block matched with the sliding groove (21).

4. The asphalt penetration tester according to claim 2, wherein: the driving assembly comprises a screw rod (51) rotatably arranged on the sliding table (2), a worm wheel (52) fixedly arranged on the screw rod (51), a worm (53) rotatably arranged on the sliding table (2) and a power part for driving the worm (53) to rotate; the sliding block (31) is in threaded connection with the screw rod (51), and the worm wheel (52) is meshed with the worm (53).

5. The asphalt penetration tester according to claim 4, wherein: the power part is a servo motor (54) fixedly arranged on the sliding table (2), and the output end of the servo motor (54) is connected with the worm (53).

6. The asphalt penetration tester according to claim 1, wherein: the positioning device is characterized in that the workbench (1) is provided with positioning grooves (11) with two closed ends, the base (4) is fixedly provided with positioning blocks (41), and the positioning blocks (41) are arranged in the positioning grooves (11) in a sliding manner.

7. The asphalt penetration tester according to claim 6, wherein: the control assembly comprises a screw rod (61) rotatably arranged on the workbench (1) and a knob (62) fixedly arranged at the end part of the screw rod (61), and the screw rod (61) is in threaded connection with the positioning block (41).

8. The asphalt penetration tester according to claim 1, wherein: the worktable (1) is provided with scales, the base (4) is fixedly provided with a pointer (42), and the pointer (42) points to the scales.

9. The asphalt penetration tester according to claim 1, wherein: a limiting block (43) is fixedly arranged on the base (4), and the limiting block (43) encloses a space for placing a glass vessel.

10. The asphalt penetration tester according to claim 1, wherein: fixed spirit level (12) of being provided with on workstation (1), the fixed connecting block (13) that is provided with in edge of workstation (1), threaded connection has adjusting bolt (14) in connecting block (13), the bottom mounting of adjusting bolt (14) is provided with stabilizer blade (15).