CN212540031U - Mortar setting time tester - Google Patents
Mortar setting time tester Download PDFInfo
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- CN212540031U CN212540031U CN202021107187.2U CN202021107187U CN212540031U CN 212540031 U CN212540031 U CN 212540031U CN 202021107187 U CN202021107187 U CN 202021107187U CN 212540031 U CN212540031 U CN 212540031U
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- needle
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 47
- 238000012360 testing method Methods 0.000 claims abstract description 153
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009530 blood pressure measurement Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model discloses a mortar setting time apparatus relates to mortar measurement and analysis technical field. The testing device comprises a base, a stand column and a pressure display which are fixedly connected to the base, a cylindrical testing mold arranged on the pressure display, a testing needle seat parallel to the axis direction of the testing mold and in sliding connection with the stand column, a drill chuck arranged on the bottom wall of the testing needle seat, and a testing needle fixedly connected to the bottom of the drill chuck, wherein the testing needle is rotatably connected to the bottom wall of the testing needle seat, deviates from the position of the axis of the testing mold, can rotate around the axis of the testing mold, and is provided with a driving component for driving the testing needle to rotate. After the first pressure measurement value test is completed, the driving assembly can be directly controlled to drive the test needle to rotate around the axis of the test mold. The utility model discloses have the inside experimental holes position that leaves of mortar when making test needle skew before the test, improve the effect of measuring result accuracy.
Description
Technical Field
The utility model belongs to the technical field of mortar measurement and analysis's technique and specifically relates to a mortar setting time apparatus is related to.
Background
The mortar setting time tester comprises a press rod, a test mold, a stand column, a test needle, a base and a pressure sensor, wherein when the mortar setting time tester is used, the mortar which is uniformly stirred is loaded into the test mold, the test mold is horizontally placed on the pressure sensor, the press rod vertically exerts pressure downwards, and different pressure values transmitted back by the pressure sensor are utilized to judge the setting degree of the mortar. The grasped mortar setting time can be well utilized in the building construction process, thereby improving the construction progress.
The chinese patent that has bulletin number CN207351855U discloses a mortar setting time's apparatus, and it includes the base, install pressure display and stand on the base, install connector link and calibrated scale on the pressure display, the calibrated scale is equipped with the pointer, the connector link is gone up the lock joint and is had the material dish, the stand on be equipped with the regulation post, adjust the post along the stand activity from top to bottom, and the top of stand is equipped with the depression bar, the regulation post be connected with the examination needle file, the below of examination needle file is inserted the examination needle, and the top of examination needle file is equipped with examination needle axle, the top and the compression linkage of examination needle axle, the epaxial adjusting nut that is equipped with of examination needle. When the mortar testing device works, uniformly stirred mortar is filled into a test mold, the test mold is placed on a pressure display, and a pointer of the pressure display is adjusted to a zero position; and then vertically screwing the pressure rod downwards by hand to inject the test needle into the mortar, wherein the first measurement value is shown on a dial plate of the pressure display, the adjusting nut is adjusted to the highest position, the pressure rod is released and repeated every half hour, and when the resistance value reaches 0.3MPa, the measurement is changed into 15min for one time until the resistance value reaches 0.7MPa, so that the setting time of the mortar is calculated.
The prior art solutions in the above patents have the following drawbacks: in the middle of the actual measurement, the test needle is deepened and is formed the experiment hole in the test mould, when the test needle withdraws, pushes away the tie to the mortar through the push rod piece, but can persist at the inside experiment hole of mortar, and when the test needle deepened the test mould next time, the test needle probably pokes the mortar on mortar top layer broken to in deepening the experiment hole, lead to measuring result to produce the error.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can change the test needle and go deep into position in the test mould, improve the mortar setting time apparatus of measuring result accuracy to the not enough of prior art existence.
The above object of the present invention can be achieved by the following technical solutions:
a mortar setting time tester comprises a base, a stand column, a pressure display, a cylindrical test mold, a test needle seat, a drill chuck and a test needle rotating assembly, wherein the stand column and the pressure display are fixedly connected to the base, the cylindrical test mold is arranged on the pressure display, the test needle seat is connected with the stand column in a sliding mode along the direction parallel to the axis of the test mold, the drill chuck is arranged on the bottom wall of the test needle seat, the test needle is fixedly connected to the bottom wall of the drill chuck, the test needle is rotatably connected to the bottom wall of the test needle seat, deviates from the position of the axis of the test mold, can rotate around the axis of the test mold, and is provided with a driving assembly for driving the.
By adopting the technical scheme, when the mortar setting time is tested, the test needle base moves towards the test mold along the vertical direction, so that the test needle is driven to be inserted into the mortar in the test mold along the vertical direction, and a first pressure test value is measured and recorded; when later testing the pressure value again at regular intervals, the steerable drive assembly of staff drives the test needle and rotates around the examination mould axis, makes the test needle shift the inside experimental hole position that leaves of mortar before the test, and the position that the test needle inserted in the mortar in the examination mould at every turn equals apart from the axis distance of examination mould to measurement result's accuracy has effectively been improved.
The present invention may be further configured in a preferred embodiment as: the test needle base is arranged in a hollow mode, a first fixing shaft and a second fixing shaft are fixedly connected to the inner wall of the test needle base, the second fixing shaft is arranged on one side of the first fixing shaft, the driving assembly comprises a first gear and a second gear, the first gear is rotatably connected to the outer peripheral wall of the first fixing shaft, the second gear is rotatably connected to the outer peripheral wall of the fixed shaft, the first gear is meshed with the second gear, the first gear and the test mold are arranged coaxially, a notch communicated with the inner cavity of the test needle base is formed in the side wall of the test needle base, one end of the second gear penetrates through the notch and extends out of the test needle base, a circular groove identical to the motion track of the test needle is formed in the bottom wall of the test needle base in a penetrating mode, one end of the drill chuck penetrates through the circular groove and.
By adopting the technical scheme, a worker can directly stir one end of the gear II, which extends out of the outer side of the test needle seat, by hand, so that the gear II drives the gear I to rotate around the axis of the test mold, and the test needle is driven to rotate around the axis of the test mold, and the method for changing the position of the test needle to be inserted into the mortar again is simple and convenient for the worker to operate; and after the position of the test needle is determined, the gear I can be fixed by directly using the fixing component, so that the position of the test needle is prevented from changing in the test process, and the accuracy of the measurement result is ensured.
The present invention may be further configured in a preferred embodiment as: the fixing assembly comprises a threaded hole formed in the side wall of the test needle base and a tightening bolt in threaded connection with the threaded hole, and the tightening bolt can penetrate through the threaded hole to be abutted against the first gear.
By adopting the technical scheme, after the position of the test needle is determined, a worker can directly enable the abutting bolt to penetrate through the threaded hole and screw down the abutting bolt until the abutting bolt abuts against the first gear. The operation method for fixing the gear at the first position is simple and convenient for workers to operate.
The present invention may be further configured in a preferred embodiment as: the abutting bolt is a butterfly bolt.
Through adopting above-mentioned technical scheme, the butterfly design of abutting against the bolt head has increased horizontal stress surface, makes things convenient for the staff hand to twist, has effectively improved the work efficiency that the hand was twisted.
The present invention may be further configured in a preferred embodiment as: a circumferential track is coaxially formed in the inner wall of the gear, a plurality of balls are freely rotatably connected to the circumferential wall of the fixed shaft, and one ends of the balls stretch into the circumferential track.
Through adopting above-mentioned technical scheme, when drive gear rotates, the frictional force between a reducible gear inner wall of ball and a fixed axle periphery wall to it is more smooth and easy when making gear rotate around the examination mould axis along the horizontal direction.
The present invention may be further configured in a preferred embodiment as: the pressure display roof has seted up the cross spout, the examination mould along cross direction sliding connection in the spout.
Through adopting above-mentioned technical scheme, the steerable examination mould of staff changes the relative position of examination mould and gear one along cross spout translation to make the examination needle can insert inside the mortar of the different distances of distance examination mould axis, test out the mortar setting time of the different distances of distance examination mould axis, effectively improve the universality of test.
The present invention may be further configured in a preferred embodiment as: the bottom wall is equipped with a plurality of jacks at the interval in the spout, can insert in the jack and be used for fixing the bolt of examination mould.
Through adopting above-mentioned technical scheme, the back is confirmed to the position of examination mould, and the staff can directly insert the bolt and hug closely in the jack of examination mould in the cross spout, makes examination mould rigidity, prevents the offset of examination mould in the testing process, has effectively improved measuring result's accuracy.
The present invention may be further configured in a preferred embodiment as: the drill chuck is relatively detachably and fixedly connected with the first gear.
Through adopting above-mentioned technical scheme, when the test needle damaged, the staff can directly demolish the drill chuck that has the test needle from gear one and change, improves this mortar setting time apparatus's utilization ratio.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the test needle is rotatably connected to the bottom wall of the test needle seat and is arranged at a position deviating from the axis of the test mold, so that the test needle can rotate around the axis of the test mold, the position of the test needle penetrating into the test mold during testing is changed, and the accuracy of a measuring result is improved;
2. the cross-shaped sliding groove and the sliding block are fixedly connected with the bottom wall of the test mold through the top wall of the pressure display, and the sliding block is connected in the sliding groove in a sliding mode along the cross direction, so that the relative position of the test mold and the first gear can be changed, mortar setting time at different distances from the axis of the test mold can be tested, and the testing range can be widened.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the pilot-scale test needle holder, the driving assembly, the fixing assembly and the test needle of the present invention, which is intended to show the internal structure of the test needle holder.
Fig. 3 is an exploded view of gear one and gear two of fig. 2.
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a partially enlarged schematic view of a portion B in fig. 3.
Reference numerals: 1. a base; 2. a column; 3. a pressure display; 4. testing a mold; 5. grooving; 6. testing a needle seat; 7. testing needles; 8. a drill chuck; 9. a chute; 10. a pressure lever; 11. a jack; 12. a drive assembly; 121. a first gear; 122. a second gear; 13. a first fixed shaft; 14. a second fixed shaft; 15. a bolt; 16. a circular groove; 17. a fixing assembly; 171. a threaded hole; 172. tightly abutting against the bolt; 18. a circumferential track; 19. and a ball.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a mortar setting time apparatus, including base 1, weld in stand 2 and the pressure display 3 of base 1 roof, through the cylindrical examination mould 4 of 15 rigid couplings in pressure display 3 roofs of bolt, along being on a parallel with 4 axis directions of examination mould and stand 2 sliding connection's cavity examination needle file 6, rotate and connect in the drill chuck 8 of examination needle file 6 diapalls, weld in the examination needle 7 of drill chuck 8 diapalls, 2 tops of stand articulate there is the depression bar 10 that is used for driving examination needle 7 along the motion of vertical direction.
Referring to fig. 3 and 4, in an initial state, the test die 4 coincides with the axis of the first gear 121; the test needle 7 is rotatably connected to the bottom wall of the test needle seat 6, the position of the test needle 7 deviating from the axis of the test mold 4 is set to be 0.5-3cm, and in the specific embodiment, the position of the test needle 7 deviating from the axis of the test mold 4 is set to be 2 cm; the test needle 7 can rotate around the axis of the test mold 4, and the test needle seat 6 is provided with a driving component 12 for driving the test needle 7 to rotate around the axis of the test mold 4. The inner wall of the test needle seat 6 is welded with a first fixed shaft 13 and a second fixed shaft 14 arranged on one side of the first fixed shaft 13, the side wall of the test needle seat 6 is provided with a slot 5 communicated with the inner cavity of the test needle seat 6, and the second fixed shaft 14 is welded at the slot 5; the driving assembly 12 comprises a first gear 121 rotatably connected to the outer peripheral wall of the first fixing shaft 13 and a second gear 122 rotatably connected to the outer peripheral wall of the second fixing shaft 14, the first gear 121 is meshed with the second gear 122, and the first gear 121 and the test mold 4 are coaxially arranged; one end of the second gear 122 penetrates through the open slot 5 and extends to the outside of the test needle seat 6, a circular slot 16 with the same motion track as the test needle 7 is formed in the bottom wall of the test needle seat 6 in a penetrating mode, one end of the drill chuck 8 penetrates through the circular slot 16 and is in threaded connection with the first gear 121, and a fixing assembly 17 for fixing the first gear 121 is arranged on one side of the test needle seat 6; the fixing assembly 17 comprises a threaded hole 171 formed in the side wall of the test needle holder 6 and a tightening bolt 172 in threaded connection with the threaded hole 171, the tightening bolt 172 is a butterfly bolt, and the tightening bolt 172 can pass through the threaded hole 171 to abut against the first gear 121.
Referring to fig. 4, in order to make the first gear rotate around the axis of the test mold 4 (refer to fig. 3) along the horizontal direction more smoothly, a circumferential track 18 is coaxially formed on the inner wall of the first gear 121, a plurality of balls 19 are freely and rotatably connected to the circumferential wall of the first fixed shaft 13, and one end of each ball 19 extends into the circumferential track 18.
Referring to fig. 5, in order to widen the testing range and test the mortar setting time at different distances from the axis of the test mold 4, a cross-shaped chute 9 is formed in the top wall of the pressure display 3, the test mold 4 is slidably connected in the chute 9 along the cross direction, a plurality of insertion holes 11 are formed in the bottom wall of the chute 9 at intervals, and a plug pin 15 for fixing the test mold 4 can be inserted into the insertion holes 11.
The implementation principle of the embodiment is as follows: firstly, placing a test mold 4 filled with mortar on a pressure display 3, and adjusting a pointer of the pressure display 3 to a zero position; secondly, pressing the pressure lever 10 downwards by hand, driving the test needle seat 6 to move towards the test mold 4 along the vertical direction, so as to drive the test needle 7 to vertically move downwards to penetrate into the mortar, and at the moment, a first measured value is shown on a dial of the pressure display 3; step two, after half an hour, rotating the second gear 122, and driving the first gear 121 to rotate around the axis of the test mold 4 along the horizontal direction, so that the test needle 7 rotates to deviate from the test hole remained in the mortar during the previous test; thirdly, penetrating the abutting bolt 172 through the threaded hole, and screwing the abutting bolt 172 until the abutting bolt 172 abuts against the first gear 121 to fix the position of the test needle 7; and fourthly, pressing the press rod 10 downwards by hands to enable the test needle 7 to penetrate into the mortar along the vertical direction, wherein the second measurement value is shown on a dial of the pressure display 3 and is repeated every half hour, and the measurement is changed to 15min when the resistance value reaches 0.3MPa until the resistance value reaches 0.7MPa, so that the setting time of the mortar is calculated.
When mortar setting time at different distances from the axis of the test mold 4 needs to be tested, firstly, the plug pin 15 for fixing the position of the test mold 4 is pulled out of the jack 11, then the test mold 4 slides along any one of the chutes 9 in the cross-shaped chute, so that the axis of the test mold 4 deviates from the axis of the first gear 121, and finally, the mortar setting time at different distances from the axis of the test mold 4 can be calculated by repeating the operation steps from the first step to the fourth step.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a mortar setting time apparatus, includes base (1), fixed connection in stand (2) and pressure display (3) on base (1), set up in cylindrical examination mould (4) on pressure display (3), along being on a parallel with examination mould (4) axis direction with stand (2) sliding connection's examination needle seat (6), set up in drill chuck (8) of examination needle seat (6) diapire, fixed connection in examination needle (7) of drill chuck (8) bottom, its characterized in that: the test needle (7) is rotatably connected to the bottom wall of the test needle seat (6), the test needle (7) is arranged at a position deviating from the axis of the test mold (4), the test needle (7) can rotate around the axis of the test mold (4), and a driving assembly (12) for driving the test needle (7) to rotate is arranged on the test needle seat (6);
the test needle seat (6) is arranged in a hollow mode, a first fixing shaft (13) and a second fixing shaft (14) are fixedly connected to the inner wall of the test needle seat (6), the first fixing shaft (13) is arranged on one side of the first fixing shaft (13), the driving assembly (12) comprises a first gear (121) which is rotatably connected to the outer peripheral wall of the first fixing shaft (13) and a second gear (122) which is rotatably connected to the outer peripheral wall of the second fixing shaft (14), the first gear (121) is meshed with the second gear (122), the first gear (121) and the test mold (4) are coaxially arranged, a notch (5) communicated with the inner cavity of the test needle seat (6) is formed in the side wall of the test needle seat (6), one end of the second gear (122) penetrates through the notch (5) to extend to the outside of the test needle seat (6), and a circular groove (16) which is the same as the movement track of, one end of the drill chuck (8) penetrates through the circular groove (16) to be connected with the first gear (121), and a fixing assembly (17) for fixing the first gear (121) is arranged on one side of the test needle base (6);
the inner wall of the first gear (121) is coaxially provided with a circumferential track (18), the circumferential wall of the first fixed shaft (13) is freely and rotatably connected with a plurality of balls (19), and one end of each ball (19) extends into the circumferential track (18).
2. The mortar setting time measuring instrument according to claim 1, wherein: the fixing assembly (17) comprises a threaded hole (171) formed in the side wall of the test needle base (6) and a tightening bolt (172) in threaded connection with the threaded hole (171), and the tightening bolt (172) can penetrate through the threaded hole (171) and abut against the first gear (121).
3. The mortar setting time measuring instrument according to claim 2, wherein: the abutting bolt (172) is a butterfly bolt.
4. The mortar setting time measuring instrument according to claim 1, wherein: the pressure display (3) roof has seted up cross spout (9), examination mould (4) along cross direction sliding connection in spout (9).
5. The mortar setting time measuring instrument according to claim 4, wherein: the bottom wall interval is equipped with a plurality of jacks (11) in spout (9), can insert in jack (11) and be used for fixing bolt (15) of examination mould (4).
6. The mortar setting time measuring instrument according to claim 1, wherein: the drill chuck (8) is detachably and fixedly connected with the first gear (121) relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021107187.2U CN212540031U (en) | 2020-06-15 | 2020-06-15 | Mortar setting time tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021107187.2U CN212540031U (en) | 2020-06-15 | 2020-06-15 | Mortar setting time tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212540031U true CN212540031U (en) | 2021-02-12 |
Family
ID=74547471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021107187.2U Expired - Fee Related CN212540031U (en) | 2020-06-15 | 2020-06-15 | Mortar setting time tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212540031U (en) |
-
2020
- 2020-06-15 CN CN202021107187.2U patent/CN212540031U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |