Mortar setting time tester
By controlling the opening and closing of the test needle with an electric cylinder and adjusting screw, and combining the use of a camera and timer, the problems of complex operation and large error in the existing technology are solved, and efficient and accurate determination of concrete mortar setting time is achieved.
Patent Information
- Application Number
- CN202423093385.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing technologies for detecting the setting time of concrete mortar are complex to operate, inefficient, and prone to errors.
A mortar setting time tester is used, which uses an electric cylinder and adjusting screw to control the opening, closing and descent of the test needle. Combined with real-time monitoring by a camera and recording by a timer, the operation is simplified and the measurement accuracy is improved.
It reduces the difficulty of operation, improves the accuracy and efficiency of measurement, and simplifies the operation process.
Smart Images
Figure CN223711333U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete detection technical field especially relates to a mortar setting time tester. BACKGROUND
[0002] Vicat apparatus, alias: cement consistency tester, cement consistency setting time tester, it is a kind of cement, concrete industry detection instrument, mainly used to detect the standard consistency water demand of cement net paste, setting time.
[0003] In prior art, when using the Vicat apparatus to detect the setting time of concrete mortar, the test mould is taken out from the humidity curing box and placed under the test needle during the determination, so as to reduce the contact between the test needle and the surface of cement net paste.After screwing for 1s~2s, suddenly loosen, and the test needle is vertically and freely sunk into the cement net paste.Observing the reading of the pointer when the test needle stops sinking or releasing the test needle for 30s.When the test needle sinks to 4mm±1mm from the bottom plate, the cement reaches the initial setting state, and the time from adding water to the cement to the initial setting state is the initial setting time of the cement, which is expressed by "min".
[0004] Its operation is complex, low in efficiency and has high error. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a mortar setting time tester to overcome the above problems or at least partially solve the above problems.
[0006] To achieve the above object, the technical scheme of the utility model is as follows:
[0007] The utility model provides a mortar setting time tester, which comprises a workbench and a test needle, the test needle is arranged above the workbench, is inserted into the frame and moves up and down along the frame, a pointer is further connected to the test needle, the pointer is located at the front side of the frame and points to the scale line, a supporting plate and an electric cylinder are fixedly connected to the back of the frame, the electric cylinder is arranged at the back of the supporting plate, a telescopic rod on the electric cylinder penetrates through the frame and contacts the side edge of the test needle, an adjusting screw and a light rod are inserted into the back of the supporting plate, and the adjusting screw and the light rod are both connected to the workbench, a switch and a timer are respectively connected to the side edge of the frame, and the switch is connected to the timer and the electric cylinder through wires.
[0008] As a further scheme of the utility model, a movable arm is arranged at the left side of the frame, and the movable arm is rotatably connected to the frame through a damping pivot, a U-shaped frame is further arranged at the front right end of the movable arm and rotatably connected to the movable arm through a damping pivot, a camera is slidably connected to the U-shaped frame, and the camera is located at the front side of the frame.
[0009] As a further scheme of the present utility model, an opening groove is formed in the middle of the front side of the frame, the pointer is arranged at the front side of the opening groove, and the rear side of the pointer is fixedly connected with the test needle through the connecting piece.
[0010] As a further scheme of the present utility model, the scale line is arranged on the frame and is arranged on the left and right sides of the opening groove.
[0011] As a further scheme of the present utility model, the bottom end of the adjusting screw rod is rotatably connected with the workbench through the bearing, the supporting plate is connected with the adjusting screw rod through the ball nut pair, the rear part of the supporting plate is further provided with a guide hole, and the supporting plate is sleeved on the polished rod through the guide hole.
[0012] The present utility model provides a kind of mortar setting time tester, beneficial effect lies in: the operation of adjusting screw rod is controlled to contact test needle and test mould, and electric cylinder and timer are controlled by switch, and then the descent of test needle is controlled, respectively control test needle is opened and closed and descended, reduce the operation difficulty, also improve the precision of determination, simple operation, good use effect. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the present utility model embodiment, the following will be briefly introduced to the drawings needed to be used in embodiment description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for ordinary skilled person in the art, other drawings can be obtained according to these drawings without creating labor.
[0014] Figure 1 It is the structural schematic diagram of the present utility model.
[0015] Figure 2 It is the structural schematic diagram of the frame in the present utility model.
[0016] Figure 3 It is the sectional view of the frame in the present utility model.
[0017] Figure 4 It is the structural schematic diagram of the movable arm in the present utility model.
[0018] Figure 5 It is the structural schematic diagram of the camera in the present utility model.
[0019] In the drawing: 1, workbench;2, test needle;3, frame;4, pointer;5, scale line;6, supporting plate;7, timer;8, switch;9, adjusting screw rod;10, polished rod;11, movable arm;12, camera;13, electric cylinder;31, opening groove;111, U-shaped frame. DETAILED DESCRIPTION
[0020] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly understood, and so that the scope of the present disclosure can be completely conveyed to those skilled in the art.
[0021] Referring to Figures 1-5 The utility model discloses an embodiment provides a mortar setting time tester, including work table 1 and test needle 2, test needle 2 sets up at the top of work table 1, and test needle 2 is inserted in frame 3, and moves up and down along frame 3, still be connected with pointer 4 on test needle 2, and pointer 4 is located at the front side of frame 3, and points to scale line 5, the back of frame 3 is fixedly connected with support plate 6 and electric cylinder 13, and electric cylinder 13 sets up at the back of support plate 6, and the telescopic rod on electric cylinder 13 passes through frame 3, and is in contact with the side of test needle 2, the rear of support plate 6 is inserted with adjusting screw 9 and light pole 10, and adjusting screw 9 and light pole 10 are all connected on work table 1, and the side of frame 3 is connected with switch 8 and timer 7 respectively, and switch 8 is connected through wire between timer 7 and electric cylinder 13.
[0022] The left side of frame 3 is provided with movable arm 11, and movable arm 11 is rotatably connected with frame 3 through damping pivot, the front side right end of movable arm 11 is further provided with U-shaped frame 111, and U-shaped frame 111 is rotatably connected with movable arm 11 through damping pivot, and camera 12 is slidably connected with U-shaped frame 111, and camera 12 is located at the front side of frame 3, and the rotation angle of movable arm 11 and camera 12 can be controlled through the design of damping pivot, and the operation of pointer 4 and timer 7 can be real-time photographed through camera 12.
[0023] The front side of frame 3 is provided with opening groove 31, and the pointer 4 is located at the front side of the opening groove 31, and the rear side of the pointer 4 is fixedly connected with the test needle 2 through the connecting piece, and the design of the opening groove 31 facilitates the stable up and down movement of the pointer 4.
[0024] The scale line 5 is provided on the frame 3 and is disposed on the left and right sides of the opening groove 31, and the pointer 4 points to the scale line 5, so as to measure the falling height of the test needle 2.
[0025] The bottom end of the adjusting screw 9 is rotatably connected with the workbench 1 through the bearing, the support plate 6 is connected with the adjusting screw 9 through the ball nut pair, the rear of the support plate 6 is further provided with a guide hole, the support plate 6 is sleeved on the light pole 10 through the guide hole, the rotation of the adjusting screw 9 can drive the support plate 6 to move up and down along the adjusting screw 9 and the light pole 10, and the design of the light pole 10 can guide the movement of the support plate 6.
[0026] The utility model discloses in the use process, when determining, the test mould is taken out from the moisture curing box and is placed to test needle 2 below, can drive support plate 6, frame 3 and test needle 2 to descend through the rotation of adjusting screw 9, realizes the reduction test needle 2 and cement neat paste surface contact, then stop rotating adjusting screw 9, then open camera 12, and open switch 8, realize the circuit interconnection between timer 7 and electric cylinder 13 and external power supply, then electric cylinder 13 operation drives its telescopic rod to retract, and separates with test needle 2, then test needle 2 is perpendicular freely and sinks in cement neat paste, observes the reading of pointer 4 when test needle 2 stops sinking or releases test needle 230s, when test needle 2 sinks to 4mm from the base plate ±1mm, for cement reaches the initial setting state, the time from the cement all adds water to the initial setting state is the initial setting time of cement, shows with'min ', then take down camera 12 from U type frame 111, can read the camera on camera 12, has improved the determination accuracy.
[0027] The above is only the embodiment of the present application and does not limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of claims of the present application.
Claims
1. A mortar setting time tester, comprising a workbench (1) and a test needle (2), characterized in that, The test needle (2) is set above the workbench (1) and is inserted into the frame (3), and moves up and down along the frame (3). The test needle (2) is also connected to a pointer (4), which is located on the front side of the frame (3) and points to the scale line (5). The back of the frame (3) is fixedly connected to a support plate (6) and an electric cylinder (13), and the electric cylinder (13) is set on the back side of the support plate (6). The telescopic rod on the electric cylinder (13) passes through the frame (3) and contacts the side of the test needle (2). An adjusting screw (9) and a light rod (10) are inserted into the back of the support plate (6), and the adjusting screw (9) and the light rod (10) are both connected to the workbench (1). The side of the frame (3) is connected to a switch (8) and a timer (7), and the switch (8) is connected to the timer (7) and the electric cylinder (13) by a wire.
2. The mortar setting time tester according to claim 1, characterized in that, A movable arm (11) is provided on the left side of the frame (3), and the movable arm (11) is rotatably connected to the frame (3) through a damping pivot. A U-shaped frame (111) is also provided on the right front side of the movable arm (11), and the U-shaped frame (111) is rotatably connected to the movable arm (11) through a damping pivot. A camera (12) is slidably connected on the U-shaped frame (111), and the camera (12) is located on the front side of the frame (3).
3. The mortar setting time tester according to claim 1, characterized in that, An opening slot (31) is provided in the middle of the front side of the frame (3), and the pointer (4) is located in front of the opening slot (31), and the rear side of the pointer (4) is fixedly connected to the test needle (2) through a connector.
4. The mortar setting time tester according to claim 3, characterized in that, The scale line (5) is opened on the frame (3) and placed on the left and right sides of the opening slot (31).
5. A mortar setting time tester according to claim 1, characterized in that, The bottom end of the adjusting screw (9) is rotatably connected to the worktable (1) through a bearing. The support plate (6) is connected to the adjusting screw (9) through a ball nut pair. The rear part of the support plate (6) is also provided with a guide hole. The support plate (6) is sleeved on the light rod (10) through the guide hole.