Cement mortar fluidity measuring device
By designing a cement grit fluidity measurement device including leveling mechanism and clamping mechanism, the problem that the existing device measurement disk cannot guarantee the level state, significantly improving the measurement accuracy.
Patent Information
- Application Number
- CN202420881806.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing cement rubber sand flow measurement device cannot be guaranteed to be in a horizontal state because the measurement disc can't be guaranteed to flow in an inclined manner during vibration, which seriously affects the accuracy of the flow measurement.
A cement grit sand flow measurement device including a measuring mechanism, a leveling mechanism and a clamping mechanism is designed. The leveling mechanism ensures that the measuring disc is always in a horizontal state through the support seat and ball hinge rolling ball, combined with the counterweight; the clamping mechanism uses clamping and fixing the rolling ball to ensure the stability of the measuring disc.
By ensuring that the measurement disc is always in a horizontal state, the accuracy of cement sand flow rate measurement is significantly improved, and the problem of low measurement accuracy of existing devices is solved.
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Figure CN222529182U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cement processing, in particular to a cement mortar fluidity measuring device. Background Art
[0002] At present, the basic principle of the common cement mortar fluidity measuring device is to use a cam to reciprocate and push the measuring plate up and down to make it vibrate in the vertical direction at the same frequency, so that the cement mortar carried on the top surface of the measuring plate gradually flows and spreads into a round cake shape, and then the dimensions of the cake in different directions are measured and the average value is calculated to obtain the fluidity of the cement mortar to be tested.
[0003] However, when in use, the existing cement mortar fluidity measuring device will affect the levelness of its measuring plate due to the levelness of the supporting surface (such as the ground or tabletop) on which it is placed, causing the cement mortar to flow tiltedly due to the tilt of the measuring plate during vibration, seriously affecting the accuracy of the fluidity measurement. Utility Model Content
[0004] The utility model aims to provide a cement mortar fluidity measuring device, which can solve the problem that the measuring disk of the existing cement mortar fluidity measuring device cannot be guaranteed to be in a horizontal state.
[0005] The utility model is realized by the following technical solutions:
[0006] A cement mortar fluidity measuring device comprises a measuring mechanism, the measuring mechanism is used to measure the fluidity of cement mortar, the measuring mechanism is provided with a measuring plate, the measuring plate is used to carry the cement mortar to be measured; a leveling mechanism, the leveling mechanism comprises a support seat, the support seat is used to be placed on the actual support surface, the support seat ball joint is provided with a rolling ball, the rolling ball passes through the top and the bottom of the support seat, the part of the rolling ball passing through the top of the support seat is fixedly connected to the measuring mechanism, and the part passing through the bottom of the support seat is provided with a counterweight, when the counterweight is vertically downward and stable, the measuring plate is horizontal; a clamping mechanism, the clamping mechanism is arranged on the support seat, the clamping mechanism is provided with at least one pair of jaws that can approach or move away from each other, the jaws can clamp the rolling ball so that the rolling ball is relatively fixed to the mounting seat.
[0007] Optionally, the support seat includes a support plate and multiple supporting legs, the support plate is a circular plate, a ball hole matching the ball is opened at the axis of the support plate, and a plurality of balls are provided on the hole wall of the ball hole; all the supporting legs are evenly arranged in a ring shape under the support plate and connected to the support plate.
[0008] Optionally, the center of the ball hole is located at the mid-plane in the thickness direction of the support plate; the clamping mechanism includes multiple pairs of clamping cylinders, the clamping cylinders are arranged on the support plate, the push rods of the clamping cylinders are extended and retracted along the radial direction of the support plate, and the straight line where the push rods are located passes through the center of the rolling ball; the end of the push rod of the clamping cylinder is connected to the clamping claw.
[0009] Optionally, the support plate has a plurality of slots opened in the radial direction, the slots are located at the mid-plane in the thickness direction of the support plate, and the slots are connected to the ball hole; the clamping cylinders correspond to the slots one by one and can be detachably connected.
[0010] Optionally, the support plate is divided into two half plates along the mid-plane; a connecting plate is provided at the rear end of the clamping cylinder, and the connecting plate is detachably connected to the side walls of the two half plates by bolts.
[0011] Optionally, the clamping claw includes a claw seat and a rubber layer; the claw seat is connected to the push rod of the clamping cylinder, the rubber layer is laid on the side of the claw seat away from the clamping cylinder, and the side of the rubber layer away from the claw seat is concavely set to an arc surface matching the spherical surface of the rolling ball.
[0012] Optionally, the measuring mechanism includes a base and the measuring disk, the bottom surface of the base is coaxially connected to the rolling ball, the top surface of the base is provided with a motor, and the output shaft of the motor is transmission-connected to a cam; a lifting member is slidingly provided on the top surface of the base in a direction perpendicular to the plane where the base is located, one side of the lifting member cooperates with the cam, and the other side opposite to the measuring disk; the measuring disk is parallel to and coaxially arranged with the base.
[0013] Optionally, a clearance ring groove is coaxially opened on the top surface of the support plate, and the outer diameter of the clearance ring groove is slightly larger than the diameter of the base plate.
[0014] Optionally, the lifting member is columnar, one end of the lifting member is coaxially connected to the measuring disk, and the other end is provided with a roller, and the roller cooperates with the cam; the axis of the lifting member is perpendicular to the plane where the base disk is located.
[0015] Optionally, a limiting cylinder is coaxially sleeved outside the lifting member, a side wall of the limiting cylinder is provided with a plurality of connecting rods, and one end of the connecting rod away from the limiting cylinder is connected to the edge of the top surface of the base plate.
[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0017] The utility model provides a cement mortar fluidity measuring device, which can measure the fluidity of cement mortar by setting a measuring mechanism; on this basis, by setting a leveling mechanism, it is set to include a support seat and a rolling ball on a ball joint of the support seat, and the measuring mechanism is connected to the rolling ball, and a counterweight is connected to the other opposite end, and the counterweight is used to drive the rolling ball to roll under the action of gravity, thereby driving the measuring mechanism to be leveled, so that the measuring plate is always in a horizontal state; on this basis, by setting a clamping mechanism, it is set to include at least one pair of clamping jaws, and the leveled rolling ball is clamped and fixed by the clamping jaws, so that the measuring plate is stably fixed in a horizontal state; through the mutual cooperation of the above-mentioned components, the cement mortar fluidity measuring device can effectively solve the problem that the measuring plate of the existing cement mortar fluidity measuring device cannot be guaranteed to be in a horizontal state. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:
[0019] Figure 1 A schematic diagram of a cement mortar fluidity measuring device provided in an embodiment of the utility model;
[0020] Figure 2 A schematic diagram of a cement mortar fluidity measuring device provided in an embodiment of the utility model after being leveled when on a slope;
[0021] Figure 3 A schematic top view of a support plate of a cement mortar fluidity measuring device provided in an embodiment of the utility model;
[0022] Figure 4 A side view schematic diagram of a support plate of a cement mortar fluidity measuring device provided in an embodiment of the utility model.
[0023] Marks and corresponding parts names in the attached drawings:
[0024] 10-measuring plate; 11-base plate; 12-motor; 13-cam; 14-lifting member; 141-roller; 15-limiting cylinder; 16-connecting rod; 20-support seat; 201-support plate; 2011-ball hole; 2012-ball; 2013-giving ring groove; 202-support foot; 21-ball; 211-counterweight; 30-clamping claw; 301-claw seat; 302-rubber layer; 31-clamping cylinder; 311-connecting plate. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.
[0026] Example
[0027] Please refer to Figures 1 to 4 The present embodiment provides a cement mortar fluidity measuring device, comprising a measuring mechanism, the measuring mechanism is used to measure the fluidity of cement mortar, the measuring mechanism is provided with a measuring plate 10, the measuring plate 10 is used to carry the cement mortar to be measured; secondly, it comprises a leveling mechanism, the leveling mechanism comprises a support seat 20, the support seat 20 is used to be placed on the actual support surface, the support seat 20 is spherically hinged with a rolling ball 21, the rolling ball 21 passes through the top and the bottom of the support seat 20, the part of the rolling ball 21 passing through the top of the support seat 20 is fixedly connected to the measuring mechanism, and the part passing through the bottom of the support seat 20 is provided with a counterweight 211, when the counterweight 211 is vertically downward and stable, the measuring plate 10 is horizontal; thirdly, it comprises a clamping mechanism, the clamping mechanism is provided on the support seat 20, the clamping mechanism is provided with at least one pair of jaws 30 that can approach or move away from each other, the jaws 30 can clamp the rolling ball 21 so that the rolling ball 21 is relatively fixed to the mounting seat 20.
[0028] The cement mortar fluidity measuring device provided in the present embodiment can measure the fluidity of cement mortar by setting a measuring mechanism; on this basis, by setting a leveling mechanism, it is set to include a support seat 20 and a rolling ball 21 with a ball joint on the support seat, and the measuring mechanism is connected to the rolling ball 21, and a counterweight 211 is connected to the other opposite end, and the counterweight 211 is used to drive the rolling ball 21 to roll under the action of gravity, thereby driving the measuring mechanism to level, so that the measuring disk 10 is always in a horizontal state; on this basis, by setting a clamping mechanism, it is set to include at least one pair of jaws 30, and the leveled rolling ball 21 is clamped and fixed by the jaws 30, so that the measuring disk 10 is stably fixed in a horizontal state; through the mutual cooperation of the above-mentioned components, the cement mortar fluidity measuring device can effectively solve the problem that the measuring disk of the existing cement mortar fluidity measuring device cannot be guaranteed to be in a horizontal state.
[0029] In order to further explain the specific structure of the support base 20, the support base 20 includes a support plate 201 and a plurality of support legs 202, the support plate 201 is a circular plate, a ball hole 2011 matching the ball 21 is opened at the axis of the support plate 201, and a plurality of balls 2012 are provided on the hole wall of the ball hole 2011; all the support legs 202 are evenly arranged in a ring shape under the support plate 201 and connected to the support plate 201.
[0030] By providing the support plate 201 , it is convenient to form a ball joint with the ball 21 and allow the ball 21 to pass through the top and bottom ends. By providing the support legs 202 , the support plate 201 is lifted to leave a high enough space for the rotation of the counterweight 211 .
[0031] In order to further optimize the structure, the center of the ball hole 2011 is located at the mid-plane in the thickness direction of the support plate 201; the clamping mechanism includes a plurality of pairs of clamping cylinders 31, the clamping cylinders 31 are arranged on the support plate 201, the push rods of the clamping cylinders 31 are extended and retracted along the radial direction of the support plate 201, and the straight line where the push rods are located passes through the center of the rolling ball 21; the push rod ends of the clamping cylinders 31 are connected to the clamping claws 30.
[0032] Through the above arrangement, the rolling ball 21 is prevented from escaping from the ball hole 2011, and the rolling ball 21 is easily clamped and fixed, thereby improving the fixing effect.
[0033] In order to further optimize the setting position of the clamping cylinder 31 and make the clamping claw 30 as close to the ball 21 as possible, the support plate 201 is provided with a plurality of slots in the radial direction, the slots are located at the mid-plane in the thickness direction of the support plate 201, and the slots are connected with the ball hole 2011; the clamping cylinder 31 corresponds to the slots one by one and can be detachably connected.
[0034] In order to facilitate the assembly of the rolling ball 21 into the ball hole 2011, the support plate 201 is divided into two half plates along the midplane; a connecting plate 311 is provided at the rear end of the clamping cylinder 31, and the connecting plate 311 is detachably connected to the side walls of the two half plates by bolts.
[0035] In order to further explain the specific structure of the clamp 30, the clamp 30 includes a claw seat 301 and a rubber layer 302; the claw seat 301 is connected to the push rod of the clamping cylinder 31, and the rubber layer 302 is laid on the side of the claw seat 301 away from the clamping cylinder 31, and the side of the rubber layer 302 away from the claw seat 301 is concavely set to an arc surface matching the spherical surface of the rolling ball 21.
[0036] The rubber layer 302 can increase the friction force after clamping to prevent the ball 21 from rolling, and the rubber layer 302 can be replaced regularly.
[0037] In order to further explain the specific structure of the measuring mechanism, the measuring mechanism includes a base plate 11 and the measuring plate 10, the bottom surface of the base plate 11 is coaxially connected to the rolling ball 21, the top surface of the base plate 11 is provided with a motor 12, and the output shaft of the motor 12 is transmission-connected with a cam 13; the top surface of the base plate 11 is provided with a lifting member 14 that slides along a direction perpendicular to the plane where the base plate 11 is located, one side of the lifting member 14 cooperates with the cam 13, and the other side opposite to the measuring plate 10; the measuring plate 10 is parallel to and coaxially arranged with the base plate 11.
[0038] Through the above arrangement, the motor 12 drives the cam 13 to roll, periodically lifts the lifting member 14, and drives the measuring plate 10 to vibrate up and down periodically, so that the cement mortar on the top surface of the measuring plate 10 flows and spreads.
[0039] In order to further improve the adjustment angle range of the measuring mechanism, a clearance ring groove 2013 is coaxially opened on the top surface of the support plate 201 , and the outer diameter of the clearance ring groove 2013 is slightly larger than the diameter of the base plate 11 .
[0040] Preferably, the lifting member 14 is columnar, one end of which is coaxially connected to the measuring disk 10, and the other end is provided with a roller 141, and the roller 141 cooperates with the cam 13; the axis of the lifting member 14 is perpendicular to the plane where the base disk 11 is located.
[0041] In order to give a specific explanation of the lifting structure of the lifting member 14 , a limiting cylinder 15 is coaxially mounted outside the lifting member 14 , and a plurality of connecting rods 16 are provided on the side wall of the limiting cylinder 15 . One end of the connecting rod 16 away from the limiting cylinder 15 is connected to the edge of the top surface of the base plate 11 .
[0042] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A cement mortar fluidity measuring device, characterized in that: include: A measuring mechanism, the measuring mechanism is used to measure the fluidity of cement mortar, the measuring mechanism is provided with a measuring plate (10), the measuring plate (10) is used to carry the cement mortar to be measured; A leveling mechanism, the leveling mechanism comprising a support seat (20), the support seat (20) being used to be placed on an actual support surface, the support seat (20) being spherically hinged with a rolling ball (21), the rolling ball (21) passing through the top and bottom of the support seat (20), the part of the rolling ball (21) passing through the top of the support seat (20) being fixedly connected to the measuring mechanism, the part passing through the bottom of the support seat (20) being provided with a counterweight (211), when the counterweight (211) is vertically downward and stable, the measuring plate (10) is horizontal; A clamping mechanism, wherein the clamping mechanism is arranged on the support seat (20), and the clamping mechanism is provided with at least one pair of clamping jaws (30) that can move closer to or farther away from each other, and the clamping jaws (30) can clamp the rolling ball (21) so that the rolling ball (21) and the support seat (20) are relatively fixed.
2. The cement mortar fluidity measuring device according to claim 1, characterized in that: The support seat (20) comprises a support plate (201) and a plurality of supporting legs (202); the support plate (201) is a circular plate; a ball hole (2011) matching the rolling ball (21) is formed at the axis of the support plate (201); a plurality of rolling balls (2012) are provided on the hole wall of the ball hole (2011); All of the supporting legs (202) are evenly arranged in a ring shape below the supporting plate (201) and are connected to the supporting plate (201).
3. The cement mortar fluidity measuring device according to claim 2, characterized in that: The center of the spherical hole (2011) is located at the mid-plane in the thickness direction of the support plate (201); The clamping mechanism comprises a plurality of pairs of clamping cylinders (31), wherein the clamping cylinders (31) are arranged on the support plate (201), push rods of the clamping cylinders (31) extend and retract along the radial direction of the support plate (201), and the straight line on which the push rods are located passes through the center of the rolling ball (21); The push rod end of the clamping cylinder (31) is connected to the clamping claw (30).
4. The cement mortar fluidity measuring device according to claim 3, characterized in that: The support plate (201) is provided with a plurality of slots in a radial direction, the slots are located at a mid-plane in a thickness direction of the support plate (201), and the slots are connected to the ball holes (2011); The clamping cylinders (31) correspond to the slots one by one and can be detachably connected and inserted.
5. The cement mortar fluidity measuring device according to claim 4, characterized in that: The support plate (201) is divided into two half plates along the mid-plane; A connecting plate (311) is provided at the rear end of the clamping cylinder (31), and the connecting plate (311) is detachably connected to the side walls of the two half-disks via bolts.
6. The cement mortar fluidity measuring device according to claim 5, characterized in that: The clamping claw (30) comprises a claw seat (301) and a rubber layer (302); The claw seat (301) is connected to the push rod of the clamping cylinder (31), and the rubber layer (302) is laid on the side of the claw seat (301) away from the clamping cylinder (31), and the side of the rubber layer (302) away from the claw seat (301) is concavely set to an arc surface matching the spherical surface of the rolling ball (21).
7. The cement mortar fluidity measuring device according to any one of claims 2 to 6, characterized in that: The measuring mechanism comprises a base plate (11) and the measuring plate (10), the bottom surface of the base plate (11) is coaxially connected to the rolling ball (21), the top surface of the base plate (11) is provided with a motor (12), and the output shaft of the motor (12) is drivingly connected to a cam (13); A lifting member (14) is slidably provided on the top surface of the base plate (11) in a direction perpendicular to the plane where the base plate (11) is located, one side of the lifting member (14) cooperates with the cam (13), and the other side opposite thereto is connected to the measuring plate (10); The measuring plate (10) and the base plate (11) are arranged parallel and coaxially.
8. The cement mortar fluidity measuring device according to claim 7, characterized in that: A clearance annular groove (2013) is coaxially formed on the top surface of the support plate (201), and the outer diameter of the clearance annular groove (2013) is slightly larger than the diameter of the base plate (11).
9. The cement mortar fluidity measuring device according to claim 7, characterized in that: The lifting member (14) is columnar, one end of the lifting member (14) is coaxially connected to the measuring plate (10), and the other end is provided with a roller (141), and the roller (141) cooperates with the cam (13); The axis of the lifting member (14) is perpendicular to the plane where the base plate (11) is located.
10. The cement mortar fluidity measuring device according to claim 9, characterized in that: A limiting cylinder (15) is coaxially mounted outside the lifting member (14), and a plurality of connecting rods (16) are provided on the side wall of the limiting cylinder (15). One end of the connecting rod (16) away from the limiting cylinder (15) is connected to the edge of the top surface of the base plate (11).
Citation Information
Cited By
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