CN214844625U

CN214844625U - Cement fluidity detection device

Info

Publication number: CN214844625U
Application number: CN202121670099.8U
Authority: CN
Inventors: 徐伟; 王秀婷
Original assignee: Jiaxing Construction Engineering Quality Detection Co ltd
Current assignee: Jiaxing Construction Engineering Quality Detection Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-11-23
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a cement fluidity detection device, the on-line screen storage device comprises a base, base fixedly connected with support, support fixedly connected with extends the piece, it is located the top setting of base to extend the piece, it follows vertical logical groove of having seted up to extend the piece, lead to the groove and extend the piece upper and lower surface and run through the setting, it wears to be equipped with the movable block to slide to lead to the inslot, it is provided with the positioning mechanism who is used for fixing a position the movable block position to extend the piece, it is provided with the connecting rod to lead to the inslot and is located the movable block below, connecting rod fixedly connected with examination awl, the movable block is provided with the elevating system who is used for going up and down the examination awl, elevating system connects in the connecting rod, the base is provided with the flourishing thick liquid mould that is used for splendid attire cement mortar, flourishing thick liquid mould is located examination awl below setting. The utility model discloses have the effect that improves the detection accuracy.

Description

Cement fluidity detection device

Technical Field

The utility model belongs to the technical field of the cement detects and specifically relates to a cement fluidity detection device is related to.

Background

Cement is a slurry formed by adding water to a powdery hydraulic inorganic cementing material and stirring, and can be hardened in air or water and can firmly bond materials such as sand, stone and the like together.

The chinese patent that publication number is CN209215162U discloses a cement consistency condensation determinator, which comprises a base, set up the support on the base, the slide bar of vertical slip connection support, connect the examination awl of slide bar lower extreme, be fixed in the pointer on the slide bar, a fastening screw for fixing a position the slide bar position, set up the locating plate on the base, set up the constant head tank on the locating plate, place the flourishing thick liquid mould that the opening corresponds the examination awl in the constant head tank, the support sets up the bar hole that supplies the pointer to slide and marks on the bar hole on the vertical direction that corresponds the pointer, the constant head tank includes arc portion and straight portion, the center of arc portion corresponds the sharp portion of examination awl, the inner circle of arc portion and the annular bottom along outer lane adaptation of flourishing thick liquid mould, the width of straight portion equals and communicates the outside of locating plate with the diameter of arc portion.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when detecting, need manual downwardly moving examination awl earlier, when making the pointed end of examination awl and cement mortar surface just contact, screw up fastening screw, make examination awl rigidity, later unscrew fastening screw suddenly again, let examination awl freely sink into the mortar to obtain the data detected, but through manual operation, the position of hardly controlling examination awl, thereby can influence the accuracy that detects.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of detection, this application provides a cement fluidity detection device.

The application provides a cement fluidity detection device adopts following technical scheme:

the utility model provides a cement fluidity detection device, includes the base, base fixedly connected with support, support fixedly connected with extends the piece, it is located the top setting of base to extend the piece, it has vertically seted up logical groove along extending the piece, it runs through the setting with extending a top and bottom surface to lead to the groove, it wears to be equipped with the movable block to lead to the inslot to slide, it is provided with the positioning mechanism who is used for fixing a position the movable block position to extend the piece, it is provided with the connecting rod just to be located the movable block below to lead to the inslot, connecting rod fixedly connected with examination awl, the movable block is provided with the elevating system who is used for going up and down the examination awl, elevating system connects in the connecting rod, the base is provided with the flourishing thick liquid mould that is used for splendid attire cement mortar, flourishing thick liquid mould is located examination awl below setting.

Through adopting above-mentioned technical scheme, hold cement mortar in flourishing thick liquid mould, go up and down the examination awl through elevating system, make the examination awl tip just contact the surface of cement mortar, later adjust positioning mechanism, make positioning mechanism cancel the location to the movable block, make movable block and elevating system freely fall to cement mortar together with the examination awl in, the examination awl is the sunken degree of depth of record examination awl when stopping sinking to obtain detected data, and then improve the accuracy that detects.

Optionally, the lifting mechanism includes a lead screw which is rotatably arranged in the moving block in a penetrating manner, a lifting block is arranged in the through groove in a penetrating manner, the lifting block is arranged in the lead screw in a penetrating manner by lower end threads, a limiting block is fixedly connected to the side wall of the lifting block, the limiting block is connected to the inner wall of the through groove in a sliding manner, the connecting rod is fixedly connected to the lower end of the lifting block, the extending block is provided with a driving assembly which is used for driving the lead screw to rotate, and the driving assembly is connected to the lead screw.

Through adopting above-mentioned technical scheme, drive assembly drive lead screw rotates, and the elevator can move down along leading to the groove under the limiting displacement of stopper to be convenient for with trying awl tip remove to just with cement mortar surface contact's position.

Optionally, a limiting groove is formed in the inner wall of the through groove, the limiting groove is formed along the axial direction of the screw rod, and the limiting block is connected to the limiting groove in a sliding manner.

Through adopting above-mentioned technical scheme, through setting up the spacing groove, when the lead screw rotated, the stopper can slide along the spacing groove to make the elevator can be more stable move down along the lead screw axial.

Optionally, the driving assembly comprises a fixing frame fixedly connected to the extension block, a rotating shaft is arranged in the fixing frame in a penetrating mode in a rotating mode, a first bevel gear is fixedly connected to one end of the rotating shaft, the upper end of the screw rod extends out of the moving block and is fixedly connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, and the diameter of the second bevel gear is smaller than the width of the moving block.

By adopting the technical scheme, an operator can drive the rotating shaft to rotate, so that the first bevel gear rotates, the second bevel gear is driven to rotate, the screw rod rotates, and the lifting block can drive the test cone to move.

Optionally, the positioning mechanism includes a positioning rod slidably inserted in the extending block, one end of the positioning rod is inserted in the through groove, the other end of the positioning rod extends out of the side wall of the extending block, a positioning groove for clamping the positioning rod is formed in the side wall of the moving block, the positioning rod extends out of one end of the extending block and is fixedly connected with a fixing plate, the positioning rod is sleeved with a spring, one end of the spring is fixedly connected to the side wall of the extending block, and the other end of the spring is fixedly connected to the side wall of the fixing plate.

Through adopting above-mentioned technical scheme, when will try the awl tip to just with cement mortar surface contact, through the pulling locating lever, make the spring be tensile state, and the locating lever shifts out from the constant head tank to make the movable block because gravity freely falls, make and try the awl freely sink in cement mortar.

Optionally, the base is provided with a holding tank for holding the bottom of the slurry containing mold.

Through adopting above-mentioned technical scheme, through setting up the holding tank to can place flourishing thick liquid mould in the holding tank, prevent flourishing thick liquid mould aversion, thereby make the examination awl can fall into flourishing thick liquid mould smoothly.

Optionally, a plurality of balls are embedded in the side wall of the moving block, and the balls roll and rub on the inner wall of the through groove.

Through adopting above-mentioned technical scheme, through setting up the ball, convert the sliding friction between movable block and the logical inslot wall into rolling friction, and then reduced frictional resistance, make the measured data more accurate.

Optionally, a visible groove is formed in the position, located in the through groove, of the extension block, the visible groove is communicated with the through groove, and scale marks are arranged on one side, located in the visible groove, of the extension block.

Through adopting above-mentioned technical scheme, the operator accessible is visual the groove and is seen the descending distance of elevator to through the scale mark, be convenient for the operator to record the test cone distance of sinking.

Optionally, a hand wheel is arranged at one end of the rotating shaft, which is away from the first bevel gear.

Through adopting above-mentioned technical scheme, the operator accessible grips the hand wheel, and convenient drive pivot rotates.

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

cement mortar is loaded in the slurry containing mold, the test cone is lifted through the lifting mechanism, the tip of the test cone just contacts the surface of the cement mortar, then the positioning mechanism is adjusted, the positioning mechanism cancels the positioning of the moving block, the moving block and the lifting mechanism freely fall into the cement mortar together with the test cone, the sinking depth of the test cone is recorded when the test cone stops sinking, and therefore detection data are obtained, and the detection accuracy is improved.

When the tip of the test cone is adjusted to just contact the surface of cement mortar, the spring is in a stretching state by pulling the positioning rod, and the positioning rod is moved out of the positioning groove, so that the moving block freely falls down due to gravity, and the test cone freely sinks into the cement mortar.

Drawings

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

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

Description of reference numerals:

1. a base; 11. a support; 2. an extension block; 21. a through groove; 22. a moving block; 23. a ball bearing; 24. a connecting rod; 25. testing a cone; 3. a lifting mechanism; 4. a positioning mechanism; 5. accommodating grooves; 51. a pulp containing mold; 31. a screw rod; 32. a lifting block; 33. a limiting groove; 34. a limiting block; 6. a drive assembly; 61. a fixed mount; 62. a rotating shaft; 63. a first bevel gear; 64. a hand wheel; 65. a second bevel gear; 41. positioning a rod; 42. positioning a groove; 43. a fixing plate; 44. a spring; 7. a visual slot; 71. scale lines are marked.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses cement fluidity detection device. Referring to fig. 1 and 2, a cement fluidity detection device includes being horizontally base 1, and the welding of the one end of base 1 has and is vertical support 11, and the welding of support 11 upper end has and is horizontally extends piece 2, extends the setting that piece 2 is located base 1 directly over. The extension block 2 is provided with a through groove 21 with a rectangular cross section along the longitudinal direction, and the through groove 21 and the upper and lower surfaces of the extension block 2 are arranged in a penetrating manner. A horizontal moving block 22 is arranged in the through groove 21 in a sliding mode along the longitudinal direction, a plurality of balls 23 are embedded in the side wall of the moving block 22, and the balls 23 are in rolling friction on the inner wall of the through groove 21.

Referring to fig. 1 and 2, a vertical connecting rod 24 is arranged below the through groove 21, a vertical test cone 25 is welded at the lower end of the connecting rod 24, the test cone 25 is arranged in a conical manner, and the connecting rod 24 and the test cone 25 are coaxially fixed. The moving block 22 is provided with a lifting mechanism 3, and the lifting mechanism 3 is connected to the upper end of the connecting rod 24. The extension block 2 is provided with a positioning mechanism 4 for positioning the moving block 22. Holding tank 5 has been seted up along vertically to base 1 upper surface, can place flourishing thick liquid mould 51 in the holding tank 5, flourishing thick liquid mould 51 is located examination awl 25 under.

Referring to fig. 2, the lifting mechanism 3 includes a lead screw 31 rotatably disposed through the moving block 22 via a bearing, the lead screw 31 is disposed vertically, a lifting block 32 is disposed in the through groove 21 and below the moving block 22, and the lifting block 32 is disposed vertically. The lower end of the screw rod 31 is threaded through the lifting block 32, and the lower end of the lifting block 32 is welded at the upper end of the connecting rod 24. Limiting grooves 33 are longitudinally formed in the inner walls of the two sides of the through groove 21 respectively, limiting blocks 34 are connected to the limiting grooves 33 in a sliding mode, and the two limiting blocks 34 are welded to the side walls of the two sides of the lifting block 32 respectively. The upper surface of the extension block 2 is provided with a driving assembly 6 for driving the screw rod 31 to rotate.

Referring to fig. 2, the driving assembly 6 includes a fixing frame 61 welded on the upper surface of the extension block 2, the fixing frame 61 is vertically disposed, the fixing frame 61 is located on one side of the through groove 21, the fixing frame 61 is rotatably connected with a rotating shaft 62 which is horizontal through a bearing, one end of the rotating shaft 62, which is close to the screw rod 31, is welded with a first bevel gear 63, and one end of the rotating shaft 62, which deviates from the first bevel gear 63, is fixed with a hand wheel 64. The upper end of the screw rod 31 extends out of the moving block 22 and is welded with a second bevel gear 65, the second bevel gear 65 is meshed with the first bevel gear 63, and the diameter of the second bevel gear 65 is smaller than the width of the moving block 22, so that the second bevel gear 65 is prevented from interfering the downward movement of the moving block 22.

Referring to fig. 2, the positioning mechanism 4 includes a positioning rod 41 slidably disposed along the lateral direction on the lateral wall of the extension block 2, the positioning rod 41 slidably disposed on the lateral wall of the extension block 2 away from the bracket 11, and the positioning rod 41 is horizontally disposed. One end of the positioning rod 41 is inserted into the through groove 21, the other end of the positioning rod 41 extends out of the side wall of the extension block 2, and the moving block 22 is provided with a positioning groove 42 for the positioning rod 41 to be clamped in along the transverse direction towards the side wall of one side of the positioning rod 41. A vertical fixing plate 43 is welded at one end of the positioning rod 41 extending out of the side wall of the extension block 2. One end of the positioning rod 41 extending out of the extension block 2 is sleeved with a spring 44, one end of the spring 44 is welded to the side wall of the extension block 2, and the other end of the spring 44 is welded to the side wall of the fixing plate 43.

When the positioning rod 41 is clamped in the positioning groove 42, the upper surface of the moving block 22 is flush with the upper surface of the extension block 2, and the first bevel gear 63 is meshed with the second bevel gear 65. Secondly, when the tip of the test cone 25 just contacts with the surface of cement, the distance between the limiting block 34 and the lower end of the limiting groove 33 is larger than the depth of the slurry containing mold 51, so that the limiting block 34 and the limiting groove 33 are prevented from interfering the free sinking of the test cone 25 in the cement.

Referring to fig. 1, in order to facilitate an operator to record the sinking distance of the test cone 25 in cement mortar, the side wall of the extension block 2 and the position of the through groove 21 are longitudinally provided with a visible groove 7, the visible groove 7 is communicated with the through groove 21, and the outer wall of the extension block 2 and the side of the through groove 7 are longitudinally provided with scale marks 71.

The implementation principle of the embodiment of the application is as follows: cement is firstly contained in the slurry containing mold 51, the positioning rod 41 is ensured to be clamped in the positioning groove 42, then the rotating shaft 62 is rotated, the screw rod 31 is rotated, the lifting block 32 drives the test cone 25 to move downwards, the tip of the test cone 25 is in surface contact with cement mortar, then the positioning rod 41 is pulled, the positioning rod 41 is moved out from the positioning groove 42, and then the moving block 22 and the lifting block 32 freely fall together, so that the test cone 25 can freely sink into the cement mortar, and the detection accuracy is improved.

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

Claims

1. The utility model provides a cement fluidity detection device, includes base (1), base (1) fixedly connected with support (11), its characterized in that: the mortar filling device is characterized in that an extension block (2) is fixedly connected to the support (11), the extension block (2) is arranged above the base (1), a through groove (21) is longitudinally formed in the extension block (2), the through groove (21) and the upper surface and the lower surface of the extension block (2) are arranged in a penetrating manner, a moving block (22) penetrates through the through groove (21) in a sliding manner, a positioning mechanism (4) used for positioning the moving block (22) is arranged on the extension block (2), a connecting rod (24) is arranged in the through groove (21) and below the moving block (22), a test cone (25) is fixedly connected to the connecting rod (24), an elevating mechanism (3) used for elevating the test cone (25) is arranged on the moving block (22), the elevating mechanism (3) is connected to the connecting rod (24), a mortar filling mold (51) used for containing cement mortar is arranged on the base (1), the pulp containing mould (51) is arranged below the test cone (25).

2. The cement fluidity detecting device according to claim 1, characterized in that: elevating system (3) are including rotating lead screw (31) of wearing to locate movable block (22), wear to be equipped with lifter (32) in leading to groove (21), lifter (32) are worn to locate by lead screw (31) lower extreme screw thread, lifter (32) lateral wall fixedly connected with stopper (34), stopper (34) slide and connect in leading to groove (21) inner wall, connecting rod (24) fixed connection is in lifter (32) lower extreme, extension piece (2) are provided with and are used for driving lead screw (31) pivoted drive assembly (6), drive assembly (6) are connected in lead screw (31).

3. The cement fluidity detecting device according to claim 2, characterized in that: the inner wall of the through groove (21) is provided with a limiting groove (33), the limiting groove (33) is axially arranged along the screw rod (31), and the limiting block (34) is connected to the limiting groove (33) in a sliding mode.

4. The cement fluidity detecting device according to claim 2, characterized in that: the driving assembly (6) comprises a fixing frame (61) fixedly connected to the extension block (2), a rotating shaft (62) is arranged in the rotating frame (61) in a penetrating mode in a rotating mode, a first bevel gear (63) is fixedly connected to one end of the rotating shaft (62), the upper end of the screw rod (31) stretches out of the moving block (22) and is fixedly connected with a second bevel gear (65), the second bevel gear (65) is meshed with the first bevel gear (63), and the diameter of the second bevel gear (65) is smaller than the width of the moving block (22).

5. The cement fluidity detecting device according to claim 1, characterized in that: positioning mechanism (4) are including sliding locating lever (41) of wearing to locate extension piece (2), the one end of locating lever (41) is worn to locate in logical groove (21), the other end of locating lever (41) stretches out extension piece (2) lateral wall, just locating slot (42) that supply locating lever (41) joint are seted up to movable block (22) lateral wall, locating lever (41) stretches out one end fixedly connected with fixed plate (43) of extension piece (2), locating lever (41) cover is equipped with spring (44), the one end fixed connection of spring (44) is in extension piece (2) lateral wall, the other end fixed connection of spring (44) is in fixed plate (43) lateral wall.

6. The cement fluidity detecting device according to claim 1, characterized in that: the base (1) is provided with a containing groove (5) used for containing the bottom of the slurry containing mold (51).

7. The cement fluidity detecting device according to claim 1, characterized in that: a plurality of balls (23) are embedded in the side wall of the moving block (22), and the balls (23) are in rolling friction with the inner wall of the through groove (21).

8. The cement fluidity detecting device according to claim 1, characterized in that: visual groove (7) have been seted up in the position that extension piece (2) are located logical groove (21), visual groove (7) and logical groove (21) intercommunication setting, one side that extension piece (2) are located visual groove (7) is provided with scale mark (71).

9. The cement fluidity detecting device according to claim 4, wherein: and a hand wheel (64) is arranged at one end of the rotating shaft (62) deviating from the first bevel gear (63).