CN211122418U

CN211122418U - Pitch needle penetration survey device

Info

Publication number: CN211122418U
Application number: CN201922004583.6U
Authority: CN
Inventors: 贾永明; 王秀琴; 燕文奇; 王胜志
Original assignee: Beijing Lingbei Road Building Materials Co ltd
Current assignee: Beijing Lingbei Road Building Materials Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-28
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to an asphalt penetration measuring device, which comprises a base, a column, a box body and a needle head, flat glass ware and flourishing appearance ware, the top at the base is fixed to the stand, the box setting in the top of base and with stand sliding connection, the syringe needle sets up at the bottom half, flat glass ware sets up the top at the base, flourishing appearance ware sets up the inside at flat glass ware, the four corners position of base is provided with the regulation structure, adjust the structure and include the standing groove, stretch out the hole, the thumb wheel, dwang and sleeve, the standing groove is seted up on the base, stretch out the diapire that the hole was seted up at the standing groove, the inside at the standing groove is connected in the thumb wheel horizontal rotation, the lower surface at the thumb wheel is fixed to the dwang, sleeve threaded connection just wears to establish the inside in stretching out the hole in the outside of dwang, the vertical blocking groove of having seted up on the telescopic outer wall, stretch out the hole and. The utility model discloses thereby have and carry out the leveling to the base and reduce the error and improve the effect of experimental precision.

Description

Pitch needle penetration survey device

Technical Field

The utility model belongs to the technical field of the needle penetration survey technique and specifically relates to a pitch needle penetration survey device is related to.

Background

The penetration of asphalt is an index representing the degree and consistency of softness and hardness of asphalt, and the resistance to shear failure, and reflects the relative viscosity of asphalt under certain conditions. The penetration test is a simple method for measuring the consistency of asphalt cement. The relevant national specifications require that the penetration value is adopted to grade the asphalt, and the asphalt grade is defined according to the penetration value of the asphalt.

Asphalt needle penetration measuring device among prior art, including base, stand, box, syringe needle, flat glass ware and flourishing appearance ware, the stand is vertical to be fixed at the top of base, the box setting in the top of base and with stand sliding connection, the vertical setting of syringe needle is in the bottom of box, flat glass ware sets up at the top of base, is provided with the tripod among the flat glass ware and flourishes the inside that the appearance ware passes through the tripod setting at flat glass ware.

In the above-mentioned scheme test process, the staff at first will be equipped with the flourishing appearance ware of sample and put into the flat bottom glass ware and carry out water bath heat preservation, then slide the box from top to bottom through vertical direction and adjust the contact state of syringe needle and sample top surface, nevertheless need place the workstation with the base before carrying out the experiment on, because there is not any leveling measure on the base, consequently probably influence the judgement to syringe needle and sample top surface contact state, increased the error, and then reduced the test precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pitch penetration survey device, thereby it has the effect that can carry out the leveling to the base and reduce the error and improve experimental precision.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an asphalt penetration measuring device comprises a base, a stand column, a box body, a needle head, a flat-bottom glass vessel and a sample containing vessel, wherein the stand column is vertically fixed at the top of the base, the box body is arranged above the base and is in sliding connection with the stand column, the needle head is vertically arranged at the bottom of the box body, the flat-bottom glass vessel is arranged at the top of the base, a tripod is arranged in the flat-bottom glass vessel, the sample containing vessel is arranged in the flat-bottom glass vessel through the tripod, a level gauge is arranged at the top of the base, four corners of the base are respectively provided with an adjusting structure, the adjusting structures comprise a placing groove, an extending hole, a shifting wheel, a rotating rod and a sleeve, the placing groove is arranged at four corners of the base, the extending hole is arranged between the bottom wall of the placing groove and the lower surface of the base in the same adjusting structure, the extending hole is communicated, the dwang is fixed at the lower surface of thumb wheel and is worn to establish in the inside that stretches out the hole, and sleeve threaded connection wears to establish in the outside of dwang, and the sleeve is worn to establish in the inside that stretches out the hole, and the vertical blocking groove of having seted up on the telescopic outer wall, stretches out the hole and blocks the piece in the position department fixedly connected with that corresponds with blocking groove, blocks the piece and blocks the groove and mutually supports.

Through adopting above-mentioned technical scheme, when carrying out experimental preparation work, the staff places the base on work platform, then can drive the dwang through rotating the thumb wheel and rotate, because block the existence in piece and block the groove, the dwang can not rotate along with the dwang rotating in-process sleeve, the sleeve can only rise or descend in vertical direction, when rotating the adjustment to the thumb wheel in base four corners, whether the base is in the horizontality is judged through the spirit level at base top, thereby the staff is more accurate when carrying out experimental in-process through the contact state that vertical direction slides the box from top to bottom and adjusts syringe needle and sample top surface, the error has been reduced and the experimental precision has been improved.

The utility model discloses further set up to: each adjusting structure further comprises a foot pad, and each foot pad is fixed at the bottom of the corresponding sleeve.

Through adopting above-mentioned technical scheme, the setting of stepping up the foot has improved the stability of base to it is more reasonable to make the regulation structure.

The utility model discloses further set up to: the circumferential side wall of the poking wheel is provided with anti-skid grains.

Through adopting above-mentioned technical scheme, the setting up of antiskid line makes the staff can more effectually rotate the thumb wheel.

The utility model discloses further set up to: the outer wall at the top of the flat-bottom glass vessel is fixedly provided with two fixed blocks, each fixed block is rotatably connected with a vertically arranged hinge shaft, and the outer side of each hinge shaft is fixedly connected with a separation blade.

Through adopting above-mentioned technical scheme, the staff at first will be equipped with the flourishing appearance ware of sample and put into flat bottom glass ware and carry out water bath heat preservation among the test process, then adjust the contact state of syringe needle and sample top surface through the vertical direction box that slides from top to bottom, the setting up of separation blade can make the holding temperature that the inside of flat bottom glass ware can be better, improve experimental accuracy, and the separation blade can also prevent some dust or debris to fall into the inside of flourishing appearance ware, thereby make an asphalt needle penetration survey device's structure more reasonable.

The utility model discloses further set up to: two fixed blocks are close to each other, and one of the two retaining pieces close to each other is provided with a yielding groove.

Through adopting above-mentioned technical scheme, when the setting in the groove of stepping down can make the staff adjust the contact state of syringe needle and sample top surface, the syringe needle can enter into the inside of flat bottom glass ware and flourishing appearance ware through the groove of stepping down, can not take place to interfere with the separation blade.

The utility model discloses further set up to: the top wall of the flat bottom glass vessel is fixedly connected with a vertically arranged limiting rod at the position with the maximum sum of the distances between the top wall and the two articulated shafts.

Through adopting above-mentioned technical scheme, among the testing process, the syringe needle enters into the inside of flat bottom glass ware and flourishing appearance ware through the groove of stepping down, and two separation blades are in the state that is close to each other this moment, and the setting of gag lever post can restrict the rotation range of two separation blades, prevents to touch the separation blade carelessly in the testing process and makes and step down and bump between groove and the syringe needle, influences the sample result.

The utility model discloses further set up to: the baffle plate is a transparent plate.

Through adopting above-mentioned technical scheme, the staff can see through the separation blade and observe flat bottom glass ware and the inside of flourishing appearance ware, judges the contact state of syringe needle and sample top surface.

The utility model discloses further set up to: and the illuminating device and the magnifying glass are connected with the top of the base through the gooseneck.

Through adopting above-mentioned technical scheme, the staff can adjust lighting device, the position and the angle of magnifying glass through the state that changes the gooseneck to the staff can be more accurate judge the contact state to syringe needle and sample top surface, makes the structure of a pitch needle penetration survey device more reasonable.

The utility model discloses further set up to: the inside of box rotates the axis of rotation that is connected with the level and sets up and the worm of vertical setting, and the outside of axis of rotation is fixed with gear and worm wheel, worm wheel and worm intermeshing, and the top of syringe needle is connected with the rack of vertical setting, rack sliding connection just with gear intermeshing in the inside of box.

Through adopting above-mentioned technical scheme, the staff rotates the worm and drives worm wheel, axis of rotation and gear revolve, and the rotation of gear can drive rack and syringe needle and rise or descend in vertical direction, because the worm drives the worm wheel and be the deceleration motion to this kind of adjustment mode of position that changes the syringe needle through rotating the worm is the precision adjustment.

In conclusion, the beneficial technical effects of the invention are as follows:

1. when the preparation work for testing is carried out, a worker places the base on the working platform, then the rotating rod can be driven to rotate by rotating the shifting wheel, due to the existence of the blocking block and the blocking groove, the sleeve cannot rotate along with the rotating rod in the rotating process of the rotating rod, the sleeve can only ascend or descend in the vertical direction, and when the shifting wheels at the four corners of the base are rotationally adjusted, whether the base is in the horizontal state is judged by the level gauge at the top of the base, so that the worker can adjust the contact state of the needle head and the top surface of the sample more accurately by vertically sliding the box body up and down in the testing process, errors are reduced, and the testing precision is improved;

2. in the test process, the needle head enters the flat-bottom glass vessel and the sample containing vessel through the abdicating groove, the two separation blades are in a mutually close state, the arrangement of the limiting rod can limit the rotation range of the two separation blades, and the situation that the abdicating groove and the needle head are collided by carelessly touching the separation blades in the test process to influence the sample result is prevented;

3. the staff rotates the worm and drives worm wheel, axis of rotation and gear revolve, and the rotation of gear can drive rack and syringe needle and rise or descend in vertical direction, because the worm drives the worm wheel and be the deceleration motion to this kind of adjustment mode of position that changes the syringe needle through rotating the worm is the precision adjustment.

Drawings

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

FIG. 2 is a schematic sectional view of the case;

FIG. 3 is a schematic view of a flat bottom glass vessel;

FIG. 4 is a schematic view of the structure of a flat bottom glass dish, a tripod and a sample container;

fig. 5 is a cross-sectional view of an adjustment mechanism.

In the figure, 1, a base; 11. an adjustment structure; 111. a placement groove; 112. an outlet hole; 1121. a blocking block; 113. a thumb wheel; 1131. anti-skid lines; 114. rotating the rod; 115. a sleeve; 1151. a blocking groove; 116. a foot pad; 12. a level gauge; 2. an illumination device; 3. a magnifying glass; 4. a gooseneck; 5. a column; 6. a box body; 61. a guide block; 611. jacking the bolt; 62. a rotating shaft; 63. a gear; 64. a worm gear; 65. a worm; 66. a connecting rod; 67. a rack; 68. a through hole; 691. a weight; 692. a needle head; 7. a flat bottom glass vessel; 71. a fixed block; 72. hinging a shaft; 73. a baffle plate; 731. a yielding groove; 732. a limiting groove; 74. a limiting rod; 8. a tripod; 9. and (4) a sample containing vessel.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a pitch needle penetration survey device, including base 1, stand 5, box 6, weight 691, syringe needle 692, flat bottom glass ware 7, tripod 8 and flourishing appearance ware 9. The vertical setting of stand 5 and fixed connection are at the top of base 1, and box 6 sets up in the top of base 1, combines fig. 2, and one side of box 6 is fixed with guide block 61, and guide block 61 vertically wears to establish in the outside of stand 5 and with stand 5 sliding connection. The side wall of the guide block 61 is in threaded connection with a puller bolt 611, the puller bolt 611 is horizontally arranged, the axis of the puller bolt 611 is coplanar with the axis of the upright post 5, and a star-shaped handle is fixed at one end, far away from the upright post 5, of the puller bolt 611.

Referring to fig. 2, a horizontally disposed rotating shaft 62 and a vertically disposed worm 65 are rotatably connected to the inside of the case 6, a gear 63 and a worm wheel 64 are fixed to the outside of the rotating shaft 62, the worm wheel 64 and the worm 65 are engaged with each other, and the tip of the worm 65 extends to the outside of the case 6 and is fixedly connected with a star handle. Through-hole 68 has vertically been seted up to the bottom of box 6, and connecting rod 66 vertically wears to be equipped with in the inside of through-hole 68, and the top of connecting rod 66 is fixed with the rack 67 and the gear 63 and the rack 67 intermeshing of vertical setting. Weight 691 can be dismantled and connect in the bottom of connecting rod 66, and needle 692 sets up vertically and can dismantle the bottom of connection at weight 691.

Referring to fig. 3 and 4, the flat glass pan 7 is disposed above the base 1, the tripod 8 is disposed at the bottom of the flat glass pan 7 and the sample holding pan 9 is disposed at the top of the tripod 8, the sample holding pan 9 being disposed directly below the needle 692. Two fixing blocks 71 are fixed on the outer wall of the top of the flat-bottom glass vessel 7, the two fixing blocks 71 are close to each other, a hinge shaft 72 which is vertically arranged is rotatably connected to each fixing block 71, a baffle 73 is fixedly connected to the outer side of each hinge shaft 72, and each baffle 73 is a transparent plate. Two separation blades 73 have seted up one respectively and have stepped down the groove 731 in the one side that is close to each other, and after the staff rotated two separation blades 73 to the position that is close to each other, syringe needle 692 can enter into the inside of flat bottom glass ware 7 and flourishing appearance ware 9 through stepping down the groove 731. The top wall of the flat bottom glass vessel 7 is fixedly connected with a vertically arranged limiting rod 74 at the position with the maximum distance sum of the two hinge shafts 72, the two baffle plates 73 are respectively provided with a limiting groove 732 at the position corresponding to the limiting rod 74, and the limiting grooves 732 are matched with the limiting rod 74. In the testing process, the needle 692 enters the flat bottom glass dish 7 and the sample containing dish 9 through the abdicating groove 731, at the moment, the two blocking pieces 73 are in a mutually approaching state, the arrangement of the limiting rod 74 can limit the rotating range of the two blocking pieces 73, and the situation that the blocking pieces 73 are accidentally touched in the testing process to cause collision between the abdicating groove 731 and the needle 692 and the sample result is influenced is prevented. The separation blade 73 is arranged to enable the inside of the flat bottom glass vessel 7 to be kept at a better temperature, so that the accuracy of the test is improved, and the separation blade 73 can prevent part of dust or sundries from falling into the inside of the sample containing vessel 9, so that the structure of the asphalt penetration measuring device is more reasonable.

Referring to fig. 1 and 5, a level 12 is fixed on the upper surface of a base 1, a lighting device 2 and a magnifier 3 are arranged above the base 1, and the lighting device 2 and the magnifier 3 are respectively connected with the top of the base 1 through a gooseneck 4. The worker can adjust the positions and angles of the lighting device 2 and the magnifier 3 by changing the state of the gooseneck 4. Four adjusting structures 11 are arranged on the base 1, and the four adjusting structures 11 are respectively arranged at four corners of the base 1. The adjusting structure 11 includes a placement groove 111, a taking-out hole 112, a dial 113, a rotating lever 114, a sleeve 115, and a stepping pad 116. The standing groove 111 is opened in the four corners position of base 1, and the hole 112 that stretches out in same regulation structure 11 is opened between the diapire of standing groove 111 to the lower surface of base 1, stretches out hole 112 and communicates with the standing groove 111 that corresponds. The thumb wheel 113 is horizontally arranged and rotatably connected inside the placing groove 111, and the circumferential side wall of the thumb wheel 113 is provided with anti-skid lines 1131. The rotating lever 114 is fixed to the lower surface of the dial wheel 113 and is inserted into the insertion hole 112, the sleeve 115 is screwed to the outside of the rotating lever 114, and the sleeve 115 is inserted into the insertion hole 112. A blocking groove 1151 is vertically formed in the outer wall of the sleeve 115, a blocking block 1121 is fixedly connected to the position of the extending hole 112 corresponding to the blocking groove 1151, the blocking block 1121 is matched with the blocking groove 1151, and the foot pad 116 is fixed at the bottom of the corresponding sleeve 115.

When the preparation during operation that tests carries out, the staff places base 1 on the work platform, then can drive dwang 114 to rotate through rotating thumb wheel 113, because block 1121 with block the existence of groove 1151, dwang 114 can not rotate along with dwang 114 rotating in-process sleeve 115 rotating, sleeve 115 can only rise or descend in vertical direction, when adjusting rotating the thumb wheel 113 in base 1 four corners, judge whether base 1 is in the horizontality through the spirit level 12 at base 1 top, thereby the staff is more accurate when carrying out the in-process of testing and adjusting the contact state of syringe needle 692 and sample top surface through vertical direction up-and-down slip box 6, reduced the error and improved experimental precision. During the experiment, the staff is earlier through the slip of guide block 61 with stand 5, carries out rough adjustment to the position of syringe needle 692, observes that syringe needle 692 is when arriving the sample top surface soon, can drive worm wheel 64, axis of rotation 62 and gear 63 through rotating worm 65 and rotate, and the rotation of gear 63 can drive rack 67 and syringe needle 692 at vertical direction rising or decline, because worm 65 drives worm wheel 64 and is the deceleration motion to this kind of regulation mode of position that changes syringe needle 692 through rotating worm 65 is the precision adjustment.

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

Claims

1. The utility model provides a pitch needle penetration survey device, including base (1), stand (5), box (6), syringe needle (692), flat glass ware (7) and flourishing appearance ware (9), stand (5) are vertical to be fixed at the top of base (1), box (6) set up in the top of base (1) and with stand (5) sliding connection, syringe needle (692) are vertical to be set up in the bottom of box (6), flat glass ware (7) set up the top at base (1), be provided with tripod (8) and flourishing appearance ware (9) in flat glass ware (7) and set up the inside at flat glass ware (7) through tripod (8), its characterized in that: the top of the base (1) is provided with a level gauge (12), four corners of the base (1) are respectively provided with an adjusting structure (11), the adjusting structure (11) comprises a placing groove (111), a protruding hole (112), a thumb wheel (113), a rotating rod (114) and a sleeve (115), the placing groove (111) is arranged at the four corners of the base (1), the protruding hole (112) in the same adjusting structure (11) is arranged between the bottom wall of the placing groove (111) and the lower surface of the base (1), the protruding hole (112) is communicated with the corresponding placing groove (111), the thumb wheel (113) is horizontally arranged and rotatably connected inside the placing groove (111), the rotating rod (114) is fixed on the lower surface of the thumb wheel (113) and penetrates inside the protruding hole (112), the sleeve (115) is in threaded connection with the outer side of the sleeve (114), the sleeve (115) penetrates inside the protruding hole (112), a blocking groove (1151) is vertically formed in the outer wall of the sleeve (115), a blocking block (1121) is fixedly connected to the position, corresponding to the blocking groove (1151), of the extending hole (112), and the blocking block (1121) is matched with the blocking groove (1151) mutually.

2. The asphalt penetration measuring device according to claim 1, wherein: each adjusting structure (11) also comprises a foot pad (116), and each foot pad (116) is fixed at the bottom of the corresponding sleeve (115).

3. The asphalt penetration measuring device according to claim 1, wherein: the circumferential side wall of the thumb wheel (113) is provided with anti-skid grains (1131).

4. The asphalt penetration measuring device according to claim 1, wherein: the outer wall of the top of the flat-bottom glass vessel (7) is fixedly provided with two fixing blocks (71), each fixing block (71) is rotatably connected with a vertically arranged hinge shaft (72), and the outer side of each hinge shaft (72) is fixedly connected with a baffle plate (73).

5. The asphalt penetration measuring device according to claim 4, wherein: the two fixing blocks (71) are close to each other, and one sides of the two blocking pieces (73) close to each other are respectively provided with an abdicating groove (731).

6. The asphalt penetration measuring device according to claim 5, wherein: the top wall of the flat bottom glass vessel (7) is fixedly connected with a vertically arranged limiting rod (74) at the position with the maximum distance sum between the top wall and the two articulated shafts (72).

7. The asphalt penetration measuring device according to claim 4, wherein: the baffle plate (73) is a transparent plate.

8. The asphalt penetration measuring device according to claim 1, wherein: the multifunctional desk lamp is characterized in that a lighting device (2) and a magnifier (3) are arranged above the base (1), and the lighting device (2) and the magnifier (3) are connected with the top of the base (1) through goosenecks (4).

9. The asphalt penetration measuring device according to claim 1, wherein: the inside of box (6) is rotated and is connected with axis of rotation (62) and the worm (65) of vertical setting that the level set up, and the outside of axis of rotation (62) is fixed with gear (63) and worm wheel (64), and worm wheel (64) and worm (65) intermeshing, the top of syringe needle (692) is connected with rack (67) of vertical setting, and rack (67) sliding connection just with gear (63) intermeshing in the inside of box (6).