CN210803196U

CN210803196U - Concrete passes through formula resistance appearance

Info

Publication number: CN210803196U
Application number: CN201921747622.5U
Authority: CN
Inventors: 章雅萍; 吕贇; 蔡金方; 蔡海峰
Original assignee: Hangzhou Zhengfang Industrial Group Co ltd
Current assignee: Hangzhou Zhengfang Industrial Group Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-19
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to a concrete runs through formula resistance appearance relates to concrete check out test set's technical field. When the general concrete penetration type resistance meter is used for measuring different concretes, the penetration needle needs to be continuously replaced, and the operation is very inconvenient. In this scheme, support arm on workstation and the workstation, the downside of support arm is rotated and is connected with the conversion dish, the conversion dish upper surface is run through and is had a plurality of to revolute the replacement hole that the equidistant setting of conversion dish axis, replacement hole diameter is different each other, the downthehole replacement post that is equipped with and replaces hole diameter assorted of replacement, the replacement post can be dismantled and connect in passing through the needle, be equipped with locking mechanical system between replacement hole and the replacement post, the operator need change different sectional areas when passing through the needle, rotate the conversion dish, make corresponding replacement post aim at and pass through the needle below, relieve locking mechanical system again, make the replacement post connect in passing through the needle below, operate again, the needle does not need dismouting to pass through again, operation is more convenient and fast, improve efficiency of software testing.

Description

Concrete passes through formula resistance appearance

Technical Field

The utility model belongs to the technical field of the technique of concrete detection equipment and specifically relates to a concrete runs through formula resistance appearance is related to.

Background

The concrete through type resistance meter is an instrument for measuring the setting time of concrete, and is suitable for measuring the setting time of various cements, additives and concrete mixtures with different concrete proportions. The existing concrete penetration type resistance meter comprises a testing device, wherein the testing device comprises a penetration pin, the testing device is pressed by a handle to enable the penetration pin to vertically move downwards, when the penetration pin penetrates into concrete mortar in a test material mould, the mortar generates resistance to the penetration pin, and the resistance is displayed by a display device. And the penetration resistance of the concrete mortar is correspondingly increased along with the increase of time, and the corresponding pouring resistance is measured through different measuring points to obtain the setting time data of the concrete.

The setting time of the concrete through type resistance meter is divided into initial setting and final setting. When the concrete begins to lose plasticity, it is called initial setting, and when the concrete completely loses plasticity, it is called final setting. For the measurement of the initial setting time and the final setting time, through needles with different cross-sectional areas need to be used due to different resistances.

The above prior art solutions have the following drawbacks: at present, the concrete injection resistance instruments on the market all need to be continuously disassembled and replaced with through pins, so that time is greatly delayed, the testing efficiency is influenced, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete passes through formula resistance appearance, including test assembly, the test assembly below is rotated and is connected with the conversion dish, is equipped with the replacement post of the different sectional areas of a plurality of on the conversion dish, and the rotatory conversion dish of operator makes the different replacement posts aim at and runs through the needle, when the operator need use the needle that runs through of different sectional areas, is fixed in on the needle with the replacement post to improve efficiency of software testing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a concrete through type resistance meter comprises a workbench, a support arm, a test assembly and a pressure rod, wherein the support arm is connected to the vertically upper support of the workbench, is arranged on one side of the support and is parallel to the workbench, the test assembly is connected to one side of the support arm, the pressure rod is hinged to the support arm and is used for driving the test assembly to ascend and descend, the lower side of the support arm is rotatably connected with a conversion disc, a plurality of replacement holes are formed in the upper surface of the conversion disc in a penetrating mode and are arranged at equal intervals around the axis of the conversion disc, the diameters of the replacement holes are different from each other; the testing assembly comprises a mounting column and a through needle, wherein the mounting column is vertically arranged downwards, part of the through needle is rotatably connected into the mounting column, and the through needle is positioned right above the rotating track of the replacing hole; a worm is fixed at one end of the force application rod positioned in the conversion disc, a worm wheel is also arranged in the conversion disc, and the worm is meshed with the worm wheel; a bidirectional screw rod is rotationally connected in the conversion disc, a positive thread and a negative thread which are not intersected with each other are arranged on the peripheral wall of the bidirectional screw rod, and the bidirectional screw rod is fixedly arranged in the worm wheel in a penetrating way; the positive thread and the negative thread of the bidirectional screw rod are respectively in threaded connection with a first clamping plate and a second clamping plate, and the replacement column is clamped between the first clamping plate and the second clamping plate; the replacing column is detachably connected with the lower end of the through needle.

By adopting the technical scheme, when the through needles with different sectional areas need to be used, an operator only needs to circumferentially rotate the switching disc to enable the required replacing column to be positioned under the through needle, and then the operator fixes the lower end of the through needle to the replacing column; an operator rotates the bidirectional screw rod to enable the first clamping plate and the second clamping plate to be away from each other, and the locking of the replacement column is released; an operator presses the pressure lever again to enable the penetrating needle to vertically penetrate into the concrete downwards along with the replacing column; an operator can quickly change the sectional area of the through needle by only rotating the conversion disc, the through needle does not need to be disassembled and assembled, the operation is more convenient and faster, and the test efficiency is improved.

Preferably: the upside of workstation rotates and is connected with the carousel, and the carousel upside is equipped with first examination mould, second examination mould, third examination mould, and first examination mould, second examination mould, third examination mould revolute the equidistant setting of carousel axis, and the test assembly is located first examination mould, second examination mould, third examination mould rotation orbit directly over.

By adopting the technical scheme, an operator needs to divide each batch of concrete into three test molds during testing, and tests the concrete in each test mold respectively to obtain a test result; an operator only needs to take out the through pin after testing the concrete in the first test mold, then rotates the turntable to align the second test mold with the through pin, presses down the through pin, and tests the concrete in the second test mold, so that the operation is simple and convenient.

Preferably: and a first empty groove, a second empty groove and a third empty groove which are used for respectively installing a first test mold, a second test mold and a third test mold are arranged on the upper side of the turntable.

By adopting the technical scheme, the first test mold, the second test mold and the third test mold are respectively arranged in the first empty groove, the second empty groove and the third empty groove, so that the stability of the first test mold, the second test mold and the third test mold is enhanced.

Preferably: and a driving assembly for driving the rotary disc to move along the horizontal direction is arranged between the rotary disc and the workbench.

Through adopting above-mentioned technical scheme, when the operator changes the concrete in the examination mould, available drive assembly pull down first examination mould, second examination mould, third examination mould simultaneously from the mount table and take out, after having changed the concrete that awaits measuring, slide first examination mould, second examination mould, third examination mould simultaneously and put into the workstation, it is more convenient to operate.

Preferably: the downside of carousel rotates and is connected with the drive plate, and drive assembly includes the dovetail of seting up in the workstation upper surface, is fixed in the joint strip of drive plate downside, and joint strip slip joint is in the dovetail.

Through adopting above-mentioned technical scheme, make the drive plate dismouting in-process on the workstation, stability is stronger.

Preferably: the side surface of the first clamping plate and the side surface of the second clamping plate, which are close to each other, are sunken to form an arc.

Through adopting above-mentioned technical scheme, increase the sectional area of contact of first grip block, second grip block and replacement post, strengthen first grip block, second grip block and replacement post stability.

Preferably: and a hand wheel is fixed at one end of the force application rod, which is far away from the worm.

Through adopting above-mentioned technical scheme, more make things convenient for operator's axial rotation application of force pole to the operator changes the replacement post.

Preferably: the periphery wall of the hand wheel is provided with friction lines.

By adopting the technical scheme, the hand wheel is labor-saving when an operator rotates the hand wheel, and slipping is avoided.

To sum up, the utility model discloses a beneficial technological effect does:

1. in the scheme, when an operator needs to replace different through needles, the operator only needs to rotate the conversion disc to fix the replacement columns with different cross sections on the through needles, so that the test is facilitated, the through needle test does not need to be continuously replaced, and the operation is more convenient;

2. in the scheme, the three test molds are simultaneously and rotatably connected to the workbench, and after the first test mold is measured, the second test mold can be directly measured by rotating the second mold to a position below the through needle, so that the operation is more convenient;

3. in this scheme, the operator slides the drive plate and dismantles outside the workstation, can change the concrete of three examination mould simultaneously, and it is more convenient to operate.

Drawings

Fig. 1 is a schematic structural diagram according to the present embodiment of the present invention.

Fig. 2 is a schematic view of the internal structure of the switch disk of fig. 1.

FIG. 3 is an exploded cross-sectional view of the stylet and replacement post of FIG. 1.

Fig. 4 is a partial sectional view of the switching disk of fig. 1, showing the internal structure of the switching disk.

Fig. 5 is an exploded view of the drive assembly of fig. 1, showing its connection.

In the figure, 1, a workbench; 11. a dovetail groove; 2. a support; 3. a support arm; 4. testing the component; 41. penetrating the needle; 411. a clamping block; 42. mounting a column; 5. a pressure lever; 51. a moving groove; 6. rotating the rod; 7. a switching disk; 71. replacing the hole; 72. replacing the column; 721. connecting holes; 722. a clamping groove; 723. an annular groove; 73. a force application rod; 74. a hand wheel; 741. rubbing the lines; 75. a worm; 76. a worm gear; 77. a bidirectional screw rod; 771. a first support arm; 772. a second support arm; 773. a first clamping plate; 774. a second clamping plate; 775. a first communication hole; 776. a second communication hole; 8. a drive assembly; 81. a first test mold; 811. a first empty slot; 82. second mold testing; 821. a second empty slot; 83. third testing the mold; 831. a third empty slot; 84. a turntable; 85. a drive plate; 851. and (4) clamping the strip.

Detailed Description

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

Referring to fig. 1, a concrete through type resistance meter disclosed in this embodiment includes a workbench 1, a support arm 3 connected to the workbench 1 and vertically upward, the support arm 3 being installed on one side of the support 2 and being parallel to the workbench 1, a testing component 4 connected to one side of the support arm 3, and a pressing rod 5 hinged to the support arm 3 and used for driving the testing component 4 to ascend and descend, wherein a moving slot 51 is formed in the pressing rod 5, and the testing component 4 is hinged to the moving slot 51. The downside of support arm 3 is rotated and is connected with dwang 6, and the one end that support arm 3 was kept away from to dwang 6 is fixed with conversion dish 7, and conversion dish 7 upper surface runs through four replacement holes 71 that revolute the equidistant setting of conversion dish 7 axis, and replacement hole 71 diameter is different mutually, is equipped with in the replacement hole 71 with replacement hole 71 diameter assorted replacement post 72.

Referring to fig. 2 and 3, the testing assembly 4 includes a mounting column 42 disposed vertically downward and a through pin 41 partially rotatably connected in the mounting column 42, the through pin 41 being located right above a rotation locus of the replacement hole 71; a force application rod 73 penetrates through the peripheral wall of the conversion disk 7, a worm 75 is fixed at one end of the force application rod 73, which is positioned in the conversion disk 7, a hand wheel 74 is fixed at the other end of the force application rod 73, and friction grains 741 are arranged on the peripheral wall of the hand wheel 74; a worm wheel 76 is also arranged in the conversion disk 7, and the worm 75 is meshed with the worm wheel 76; a bidirectional screw rod 77 is rotationally connected in the conversion disc 7, a positive thread and a negative thread which are not intersected with each other are arranged on the outer peripheral wall of the bidirectional screw rod 77, and the bidirectional screw rod 77 is fixedly arranged in the worm wheel 76 in a penetrating manner; the first supporting arm 771 and the second supporting arm 772 are respectively connected to the positive thread and the negative thread of the bidirectional screw rod 77 in a threaded mode, a first clamping plate 773 is fixed to one end, far away from the bidirectional screw rod 77, of the first supporting arm 771, a second clamping plate 774 is fixed to one end, far away from the bidirectional screw rod 77, of the second supporting arm 772, the side faces, close to the first clamping plate 773 and the second clamping plate 774, of the first clamping plate 774 and the second clamping plate 774 are recessed in an arc mode, a first communicating hole 775 and a second communicating hole 776 are formed in the hole wall of the replacing hole 71, the first clamping plate 773 penetrates through the first communicating hole 775 and abuts against the peripheral wall of the replacing column 72, and the second clamping plate 774 penetrates through the second communicating hole 776 and.

The outer peripheral wall of the through needle 41 is symmetrically provided with two clamping blocks 411; the upper surface of the replacement column 72 is provided with a connecting hole 721, the hole wall surface of the connecting hole 721 is provided with an annular groove 723, the hole wall of the connecting hole 721 is provided with two clamping grooves 722 matched with the clamping block 411, and the clamping block 411 vertically penetrates through the upper surface of the replacement column 72 and is communicated with the annular groove 723. An operator vertically inserts the through pin 41 into the connecting hole 721 to make the clamping block 411 pass through the clamping slot 722, and then rotates the through pin 41 to make the clamping block 411 no longer align with the clamping slot 722, so that the through pin 41 cannot be pulled out of the connecting hole 721.

Referring to fig. 5, a driving assembly 8 is arranged on the upper side of the workbench 1, the driving assembly 8 includes two dovetail grooves 11 formed on the upper surface of the workbench 1 and a driving plate 85 slidably connected to the upper side of the workbench 1, two clamping strips 851 are fixed on the lower surface of the driving plate 85, and the clamping strips 851 are slidably clamped in the dovetail grooves 11.

The upper side of the driving plate 85 is rotatably connected with a rotating disc 84, the upper surface of the rotating disc 84 is provided with a first empty groove 811, a second empty groove 821 and a third empty groove 831 which are arranged at equal intervals around the axis of the rotating disc 84, a first test mold 81, a second test mold 82 and a third test mold 83 are respectively inserted into the first empty groove 811, the second empty groove 821 and the third empty groove 831 in a sliding mode, and the rotating tracks of the first test mold 81, the second test mold 82 and the third test mold 83 are located right below the through needle 41. When the operator needs to measure the concrete in the second test mold 82, the operator only needs to rotate the turntable 84 to make the second test mold 82 be located right below the through needle 41.

The implementation principle of the embodiment is as follows: when the through needle 41 with different sectional areas needs to be used, an operator only needs to circumferentially rotate the conversion disc 7 to enable the required replacement column 72 to be located under the through needle 41, the operator then penetrates the lower end of the through needle 41 into the replacement column 72 to enable the clamping block 411 to pass through the clamping groove 722, then rotates the through needle 41 to enable the clamping block 411 to be no longer aligned with the clamping groove 722, so that the through needle 41 cannot be pulled out of the replacement hole 71, and the sectional area of the through needle 41 is replaced; an operator rotates the bidirectional screw 77 to make the first clamping plate 773 and the second clamping plate 774 far away from each other, so that the replacement column 72 is unlocked; the operator presses the pressure lever 5 again to make the through needle 41 with the replacing column 72 vertically and downwards penetrate into the concrete; an operator can quickly change the sectional area of the through needle 41 only by rotating the conversion disc 7 without dismounting the through needle 41, so that the operation is more convenient and quicker, and the test efficiency is improved;

after an operator measures the concrete in the first test mold 81, the operator only needs to take out the through pins 41, then the turntable 84 is rotated circumferentially to align the second test mold 82 with the through pins 41, and then the through pins 41 are pressed down to test the concrete in the second test mold 82, so that the operation is simple and convenient;

after the operator finishes the measurement, the driver board 85 is slidingly drawn out from the dovetail groove 11, and the first trial mold 81, the second trial mold 82 and the third trial mold 83 can be replaced at the same time, so that the operation is quick and convenient.

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

1. The utility model provides a concrete passes through formula resistance appearance, includes workstation (1), connects in workstation (1) vertical upper bracket (2), installs in support (2) one side and with support arm (3) that workstation (1) is parallel, connect in test component (4) of support arm (3) one side, articulate depression bar (5) that are used for driving test component (4) to go up and down on support arm (3), its characterized in that: the lower side of the supporting arm (3) is rotatably connected with a conversion disk (7), a plurality of replacement holes (71) which are arranged around the axis of the conversion disk (7) at equal intervals penetrate through the upper surface of the conversion disk (7), the diameters of the replacement holes (71) are different from each other, and replacement columns (72) matched with the diameters of the replacement holes (71) are arranged in the replacement holes (71); the testing assembly (4) comprises a mounting column (42) arranged vertically downwards and a through needle (41) connected into the mounting column (42) in a partially rotating mode, and the through needle (41) is located right above the rotating track of the replacing hole (71); a force application rod (73) penetrates through the peripheral wall of the conversion disc (7), a worm (75) is fixed at one end, located in the conversion disc (7), of the force application rod (73), a worm wheel (76) is further arranged in the conversion disc (7), and the worm (75) is meshed with the worm wheel (76); a bidirectional screw rod (77) is rotationally connected in the conversion disc (7), a positive thread and a negative thread which are not intersected with each other are arranged on the outer peripheral wall of the bidirectional screw rod (77), and the bidirectional screw rod (77) is fixedly arranged in the worm wheel (76); a first clamping plate (773) and a second clamping plate (774) are respectively in threaded connection with the positive thread and the negative thread of the bidirectional screw rod (77), and the replacing column (72) is clamped between the first clamping plate (773) and the second clamping plate (774); the replacing column (72) is detachably connected with the lower end of the through needle (41).

2. The concrete through type resistance meter according to claim 1, characterized in that: the upside of workstation (1) rotates and is connected with carousel (84), and carousel (84) upside is equipped with first examination mould (81), second examination mould (82), third examination mould (83), and first examination mould (81), second examination mould (82), third examination mould (83) set up around carousel (84) axis equidistant, and test assembly (4) are located first examination mould (81), second examination mould (82), third examination mould (83) rotation orbit directly over.

3. The concrete through type resistance meter according to claim 2, characterized in that: the upper side of the turntable (84) is provided with a first empty groove (811), a second empty groove (821) and a third empty groove (831) which are used for respectively installing a first test mold (81), a second test mold (82) and a third test mold (83).

4. The concrete through type resistance meter according to claim 2, characterized in that: and a driving assembly (8) for driving the turntable (84) to move along the horizontal direction is arranged between the turntable (84) and the workbench (1).

5. The concrete through resistance meter according to claim 4, characterized in that: the lower side of the rotary table (84) is rotatably connected with a driving plate (85), the driving assembly (8) comprises a dovetail groove (11) formed in the upper surface of the workbench (1) and a clamping strip (851) fixed on the lower side of the driving plate (85), and the clamping strip (851) is slidably clamped in the dovetail groove (11).

6. The concrete through type resistance meter according to claim 1, characterized in that: the side surfaces of the first clamping plate (773) and the second clamping plate (774) which are close to each other are concave and arranged in an arc shape.

7. The concrete through type resistance meter according to claim 1, characterized in that: a hand wheel (74) is fixed at one end of the force application rod (73) far away from the worm (75).

8. The concrete through resistance meter according to claim 7, characterized in that: the outer peripheral wall of the hand wheel (74) is provided with friction grains (741).