CN211235386U

CN211235386U - Pitch needle penetration detection device

Info

Publication number: CN211235386U
Application number: CN201922120019.0U
Authority: CN
Inventors: 林和武; 童娟
Original assignee: Honghui Building Materials Co ltd
Current assignee: Honghui Building Materials Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-11
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a pitch needle degree of penetration detection device, including work platform, vertical setting and fixed connection in work platform's support, along vertical sliding connect in the actuating mechanism that sliding block, drive sliding block of support slided, transversely set up and fixed connection in the cantilever of sliding block, slide connect in the cantilever and be used for inserting a plurality of needles of pitch sample detection needle degree of penetration along transverse distribution and go into the subassembly, work platform has placed the constant temperature water bath household utensils that are used for holding pitch style, the cantilever is provided with the adjusting part who adjusts the position of each group needle income subassembly on the cantilever, has the advantage that improves efficiency of software testing.

Description

Pitch needle penetration detection device

Technical Field

The utility model relates to a pitch quality detects technical field, especially relates to a pitch needle penetration detection device.

Background

The asphalt penetration test is one of important indexes for asphalt quality detection, and is an index which represents the softness and hardness degree and consistency of asphalt, the capability of resisting shear failure and reflects the relative viscosity of asphalt under certain conditions. The existing asphalt penetration uses a special asphalt penetration meter to operate.

The Chinese patent with the publication number of CN205786193U provides an asphalt penetration meter, which comprises a working platform, a leveling screw, a bubble device, a constant-temperature water bath vessel, an upright post, a linear motor, a slide block, a displacement sensor, a needle connecting rod, a weight, a standard needle and a controller; the leveling screw and the bubble device are used for adjusting the level of the working platform, the linear motor drives the sliding block to move up and down on the stand column, a standard needle with a certain weight is attached to vertically penetrate into an asphalt sample at a specified temperature and within a specified time, the penetration depth is controllable, the detection result is accurate, and the operation is convenient.

The defect of the prior art is that when the existing penetrometer is used for testing the penetration of asphalt, one needle head is used once, only one data can be obtained, and the needle head needs to be cleaned and tested again after one test, so that the testing efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pitch needle penetration detection device has the advantage that improves efficiency of software testing.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a pitch needle penetration detection device, includes work platform, vertical setting and fixed connection in work platform's support, along vertical sliding connect in the sliding block of support, drive actuating mechanism, horizontal setting and fixed connection in the cantilever of sliding block, slide connect in the cantilever and be used for inserting a plurality of needles of pitch sample detection needle penetration along transverse distribution and go into the subassembly, work platform has placed the thermostatic waterbath household utensils that are used for holding the pitch style, the cantilever is provided with the adjusting part who adjusts each group needle and go into the position of subassembly on the cantilever.

Through adopting above-mentioned technical scheme, be provided with that the subassembly is gone into to the pitch sample of constant temperature water bath household utensils to the needle penetration test of many groups, the relative position between the subassembly is gone into to each group needle to the regulating assembly regulation to can not cause the interference to the experiment, carry out a lot of according to certain order and detect, realize the many times measurement of pitch sample needle penetration, guarantee the accuracy of test result. Because the test device does not need to be replaced in the measurement process, the test efficiency is improved.

The utility model discloses further set up to: the cantilever is provided with along cantilever length direction extend and run through in the mounting groove of upper and lower terminal surface, the mounting groove be provided with along cantilever length direction extend the slide rail with slide connect in a plurality of sliders of slide rail, the lateral wall fixedly connected with installation piece of support is kept away from to the slider, every group needle income subassembly includes vertical setting and fixed needle connecting rod of wearing to locate the installation piece, connect in the weight of the lower tip of needle connecting rod and connect in the standard needle of tip under the weight, the lower terminal surface set up threaded hole of weight, the up end of standard needle is provided with threaded connection in the connecting block of screw hole.

Through adopting above-mentioned technical scheme, carry out threaded connection with weight and connecting block to realize dismantling of weight and connecting block and be connected, the convenience is washd the standard needle that sets up on the connecting block.

The utility model discloses further set up to: the adjusting assembly comprises a rack fixedly connected to the cantilever and extending along the length direction of the cantilever, a gear arranged in the slider in a built-in mode and meshed with the rack, and a rotating shaft penetrating through the gear and fixedly connected to the end face of the gear, wherein the rack is provided with two sides respectively located on the needle connecting rod, the other end of the rotating shaft is fixedly connected with a rotating hand wheel located on the outer side of the cantilever, and a groove for sliding the rotating shaft is formed in the side wall of the cantilever.

Through adopting above-mentioned technical scheme, when the relative position of subassembly is gone into to each group needle, rotate and rotate the hand wheel and drive the axis of rotation to drive the gear and rotating, realize that the sliding block slides along cantilever length direction.

The utility model discloses further set up to: the adjusting part comprises a toothed belt fixedly connected to the cantilever and extending along the length direction of the cantilever, a limiting rod penetrating through the sliding block and fixed on the limiting rod along the vertical sliding direction, a joint close to the end of the toothed belt and a spring forcing the joint to be embedded with a tooth groove of the toothed belt, the toothed belt is located above the sliding block and faces downwards, one end of the spring is fixed on the sliding block, the other end of the spring is fixed or abutted to the joint, and the toothed belt is provided with two sides which are respectively located on the needle connecting rod.

By adopting the technical scheme, when the relative position of each group of needle-in components needs to be adjusted, a certain force is applied to the sliding block along the length direction of the cantilever to force the joint to extrude the spring, the joint is separated from the tooth socket, and when the joint slides to the next tooth socket of the toothed belt, the spring forces the joint of the limiting rod to be embedded in the tooth socket to realize positioning.

The utility model discloses further set up to: the both sides of slider all the protrusion is provided with the adjustment handle who wears to locate the cantilever, the cantilever is provided with the fluting that supplies adjustment handle to slide.

Through adopting above-mentioned technical scheme, set up adjustment handle, thereby make things convenient for the staff to the slider application of force adjustment slider's position.

The utility model discloses further set up to: the driving mechanism comprises a driving lead screw which vertically penetrates through a sliding block and is rotatably connected to the support, a driving motor which is fixedly connected to the upper end face of the support and is fixedly connected to the driving lead screw in a coaxial mode through an output shaft, and the sliding block is in threaded connection with the driving lead screw.

Through adopting above-mentioned technical scheme, the sliding block slides and connects in support and threaded connection and set up in drive screw, and driving motor rotates and drives drive screw and rotate to thereby realize that the sliding block carries out the lift action along vertical direction and realizes that the standard detects to the needle penetration of pitch sample, and the lift of standard needle is realized to control driving motor corotation and reversal.

The utility model discloses further set up to: the working platform comprises a supporting seat and a movable platform arranged on the supporting seat, the supporting seat is fixedly connected with a support, the constant-temperature water bath vessel is arranged on the movable platform, a magnet is arranged in the supporting seat, and the movable platform is made of iron materials.

Through adopting above-mentioned technical scheme, the supporting seat is provided with magnet for the supporting seat has certain adsorption affinity to moving platform, on the one hand, prevents effectively that moving platform from breaking away from in the supporting seat, and the collision leads to equipment to damage with ground, and on the other hand exerts certain power to moving platform, and moving platform can rotate and slide at the supporting seat up end, improves moving platform's flexibility ratio, thereby detects pitch sample different positions.

The utility model discloses further set up to: an operating handle is convexly arranged on the side wall of the movable platform.

By adopting the technical scheme, the movable platform can be conveniently rotated or moved.

To sum up, the utility model discloses following beneficial effect has:

1. be provided with that the subassembly is gone into to the needle penetration test to the pitch sample in the constant temperature water bath household utensils to many groups, the relative position between the subassembly is gone into to each group needle to the regulating assembly regulation to can not cause the interference to the experiment, carry out a lot of according to certain order and detect, realize the many times measurement of pitch sample needle penetration, guarantee the accuracy of test result. Because the test device does not need to be replaced in the measurement process, the test efficiency is improved.

2. When the relative position of each group of needles in the assembly needs to be adjusted, a certain force is applied to the sliding block along the length direction of the cantilever to force the joint to extrude the spring, the joint is separated from the tooth groove, and when the joint slides to the next tooth groove of the toothed belt, the spring forces the joint of the limiting rod to be embedded in the tooth groove, so that the positioning is realized, and the convenience and the rapidness are realized.

3. The supporting seat is provided with magnet for the supporting seat has certain adsorption affinity to moving platform, on the one hand, prevents effectively that moving platform from breaking away from in the supporting seat, and the collision leads to equipment to damage with ground, and on the other hand exerts certain power to moving platform, and moving platform can rotate and slide at the supporting seat up end, improves moving platform's flexibility ratio, thereby detects pitch sample different positions.

Drawings

FIG. 1 is a schematic view showing the overall structure of an asphalt penetration detecting apparatus according to example 1;

FIG. 2 is a schematic structural view of a working platform according to embodiment 1;

FIG. 3 is an exploded view of the cantilever and adjustment assembly of example 1;

FIG. 4 is a schematic structural view of the needle insertion assembly of embodiment 1;

FIG. 5 is a partial structural view of embodiment 2;

fig. 6 is an exploded view of the cantilever and adjustment assembly of example 2.

In the figure, 1, a working platform; 11. a supporting seat; 12. a movable platform; 13. a magnet; 14. an operating handle; 15. a constant temperature waterbath vessel; 2. a support; 3. a slider; 4. a cantilever; 41. mounting grooves; 42. grooving; 43. a slide rail; 44. a slider; 441. blind holes; 45. mounting blocks; 5. a needle insertion assembly; 51. a needle link; 52. a weight; 521. a threaded hole; 53. a standard needle; 531. connecting blocks; 6. a drive mechanism; 61. a drive screw; 62. a drive motor; 7. an adjustment assembly; 71. a rack; 72. a gear; 73. a rotating shaft; 74. rotating a hand wheel; 75. a toothed belt; 76. a limiting rod; 77. a joint; 78. a spring; 79. and adjusting the handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: the utility model provides an asphalt penetration detection device, as shown in figure 1, includes work platform 1, vertical setting and fixed connection in work platform 1's support 2, along vertical sliding connect in support 2's sliding block 3, drive sliding block 3 drive mechanism 6 that slides, horizontal setting and fixed connection in sliding block 3's cantilever 4, slide connect in cantilever 4 and along the horizontal distribution be used for inserting three groups of needle penetration subassemblies 5 of asphalt sample detection penetration.

As shown in fig. 1 and 2, the working platform 1 includes a supporting seat 11 and a movable platform 12 placed on the supporting seat 11, the supporting seat 11 is fixedly connected with the support 2, the movable platform 12 is placed with a constant temperature waterbath vessel 15 used for containing an asphalt sample and located below the cantilever 4, an operating handle 14 is arranged on the side wall of the movable platform 12 in a protruding manner, a magnet 13 is arranged in the supporting seat 11, and the movable platform 12 is made of an iron material. The driving mechanism 6 comprises a transmission screw 61 vertically penetrating through the sliding block 3 and rotatably connected to the support 2, a driving motor 62 fixedly connected to the upper end face of the support 2 and having an output shaft coaxially and fixedly connected to the transmission screw 61, and the sliding block 3 is in threaded connection with the transmission screw 61.

As shown in fig. 3 and 4, the cantilever 4 is provided with a mounting groove 41 extending along the length direction of the cantilever 4 and penetrating through the upper and lower end surfaces of the cantilever 4, and a slot 42 provided on two side walls of the length direction of the cantilever 4 and extending along the length direction of the cantilever 4, wherein the slot 42 is communicated with the mounting groove 41. The side wall of the mounting groove 41 is provided with a slide rail 43 extending in the longitudinal direction of the suspension arm 4 and a plurality of sliders 44 slidably coupled to the slide rail 43. The lateral wall fixedly connected with installation piece 45 that support 2 was kept away from to slider 44, and every group needle goes into subassembly 5 and includes vertical setting and fixed needle connecting rod 51 of wearing to locate installation piece 45, connects in the weight 52 of the lower tip of needle connecting rod 51 and connects in the standard needle 53 of the lower tip of weight 52. The lower end face of the weight 52 is provided with a threaded hole 521, and the upper end face of the standard needle 53 is provided with a connecting block 531 which is in threaded connection with the threaded hole 521.

As shown in fig. 3, the suspension arm 4 is provided with an adjusting assembly 7 for adjusting the position of each set of needle insertion assemblies 5 on the suspension arm 4, and the adjusting assembly 7 includes a rack 71 fixedly connected to the inner wall of the mounting groove 41 and extending in the longitudinal direction of the suspension arm 4, a gear 72 embedded in the slider 44 and engaged with the rack 71, and a rotating shaft 73 inserted through the slider 44 and having one end fixedly connected to the end face of the gear 72. The rack 71 is provided with two grooves which are respectively positioned at two sides of the needle connecting rod 51, the tooth surface of the rack 71 faces upwards, the gears 72 are correspondingly provided with two grooves which are positioned above the rack 71, the rotating shaft 73 penetrates through the end surfaces of the two gears 72, the other end of the rotating shaft 73 is fixedly connected with a rotating hand wheel 74 which is positioned at the outer side of the cantilever 4, and the rotating shaft 73 is connected with the open groove 42 in a sliding manner.

The working principle is as follows:

be provided with that many groups of needles go into subassembly 5 and carry out the needle penetration test to the pitch sample in the thermostatic waterbath ware 15, it is rotatory to rotate rotation hand wheel 74 and drive axis of rotation 73, thereby drive gear 72 and rotating, thereby realize that sliding block 3 slides along 4 length direction of cantilever 4 and adjust the relative position between each group of needle income subassembly 5, thereby can not lead to the fact the interference to the experiment, detect many times according to certain order, control driving motor 62 corotation and reversal and realize the lift of standard needle 53, realize the multiple measurement of pitch sample needle penetration, guarantee the accuracy of test result, owing to need not to change in the measurement process, thereby improve efficiency of software testing.

Example 2: the difference from embodiment 1 is that, as shown in fig. 5 and 6, the upper end surface of the sliding block 3 is provided with a blind hole 441 extending along the vertical direction, and the adjusting assembly 7 includes a toothed belt 75 fixedly connected to the mounting groove 41 and extending along the length direction of the cantilever 4, a stopper rod 76 slidably disposed through the blind hole 441 along the vertical direction, a joint 77 fixed to an end portion of the stopper rod 76 near the toothed belt 75, and a spring 78 embedded in the blind hole 441 and forcing the joint 77 to engage with a tooth groove of the toothed belt 75. An adjusting handle 79 connected to the slot 42 in a sliding manner is arranged on each of two sides of the slider 44 in a protruding manner, the toothed belt 75 is arranged on two sides of the needle connecting rod 51, the toothed belt 75 is arranged above the slider 44 with the tooth surface facing downwards, one end of the spring 78 is fixed on the bottom wall of the blind hole 441, and the other end of the spring 78 is fixed or abutted to the joint 77.

The working principle is as follows:

when the relative position of each group of needle-inserting assemblies 5 needs to be adjusted, a certain force is applied to the sliding block 44 along the length direction of the cantilever 4, the joint 77 is forced to press the spring 78, the joint 77 is separated from the toothed groove, and when the joint 77 slides to the next toothed groove of the toothed belt 75, the spring 78 forces the joint 77 of the limiting rod 76 to be embedded in the toothed groove, so that positioning is realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. The utility model provides an asphalt penetration detection device which characterized in that: including work platform (1), vertical setting and fixed connection in support (2) of work platform (1), along vertical sliding connect in sliding block (3) of support (2), actuating mechanism (6) that sliding block (3), horizontal setting and fixed connection in cantilever (4) of sliding block (3), slide connect in cantilever (4) and along transverse distribution be used for inserting the many groups needle of pitch sample detection needle penetration and go into subassembly (5), work platform (1) has been placed and has been used for holding thermostatic waterbath household utensils (15) of pitch sample, cantilever (4) are provided with adjust subassembly (7) that each group needle was gone into subassembly (5) position on cantilever (4).

2. The asphalt penetration detecting device according to claim 1, wherein: cantilever (4) offer along cantilever (4) length direction extend and run through in mounting groove (41) of cantilever (4) upper and lower terminal surface, mounting groove (41) be provided with along slide rail (43) that cantilever (4) length direction extends with slide connect in a plurality of slider (44) of slide rail (43), slider (44) keep away from the lateral wall fixedly connected with installation piece (45) of support (2), every group needle goes into subassembly (5) including vertical setting and fixed needle connecting rod (51) of wearing to locate installation piece (45), connect in weight (52) of the lower tip of needle connecting rod (51) and connect in standard needle (53) of the lower tip of weight (52), screw hole (521) have been seted up to the lower terminal surface of weight (52), the up end of standard needle (53) is provided with connecting block (531) of threaded connection in screw hole (521).

3. The asphalt penetration detecting device according to claim 2, wherein: adjusting part (7) place slider (44) in and mesh in gear (72) of rack (71) and wear to locate slider (44) and one end fixed connection in axis of rotation (73) of the terminal surface of gear (72) including fixed connection in cantilever (4) and along rack (71) that cantilever (4) length direction extends, rack (71) are provided with twice and are located the both sides of needle connecting rod (51) respectively, the other end fixedly connected with of axis of rotation (73) is located rotation hand wheel (74) in the outside of cantilever (4), fluting (42) that supply axis of rotation (73) to slide are seted up to the lateral wall of cantilever (4).

4. The asphalt penetration detecting device according to claim 2, wherein: adjusting part (7) including fixed connection in cantilever (4) and toothed belt (75) along the length direction extension of cantilever (4), along vertical slide wear locate slider (44) gag lever post (76), be fixed in gag lever post (76) are close to joint (77) and the force of the tip of toothed belt (75) connect (77) with spring (78) of the tooth's socket scarf joint of toothed belt (75), toothed belt (75) are located the top and the flank of slider (44) down, the one end of spring (78) is fixed in slider (44), the other end is fixed or butt in connect (77), toothed belt (75) are provided with twice and are located the both sides of needle connecting rod (51) respectively.

5. The asphalt penetration detecting device according to claim 4, wherein: the adjusting handle (79) penetrating through the cantilever (4) is arranged on the two sides of the sliding block (44) in a protruding mode, and the cantilever (4) is provided with a groove (42) for the adjusting handle (79) to slide.

6. An asphalt penetration detecting device according to claim 3 or 5, wherein: the driving mechanism (6) comprises a driving lead screw (61) which vertically penetrates through the sliding block (3) and is rotationally connected to the support (2), a driving motor (62) which is fixedly connected to the upper end face of the support (2) and is coaxially and fixedly connected to the driving lead screw (61) through an output shaft, and the sliding block (3) is in threaded connection with the driving lead screw (61).

7. The asphalt penetration detecting device according to claim 6, wherein: work platform (1) includes supporting seat (11) and places movable platform (12) on supporting seat (11), supporting seat (11) and support (2) fixed connection, place on movable platform (12) thermostatic waterbath household utensils (15), supporting seat (11) embeds there is magnet (13), movable platform (12) are iron material.

8. The asphalt penetration detecting device according to claim 7, wherein: an operating handle (14) is convexly arranged on the side wall of the movable platform (12).