CN117706071A - A cement setting time measuring instrument - Google Patents
A cement setting time measuring instrument Download PDFInfo
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- CN117706071A CN117706071A CN202410165927.4A CN202410165927A CN117706071A CN 117706071 A CN117706071 A CN 117706071A CN 202410165927 A CN202410165927 A CN 202410165927A CN 117706071 A CN117706071 A CN 117706071A
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- 239000004568 cement Substances 0.000 title claims abstract description 42
- 239000000872 buffer Substances 0.000 claims abstract description 42
- 238000013016 damping Methods 0.000 claims abstract description 32
- 230000000694 effects Effects 0.000 claims abstract description 9
- 239000011796 hollow space material Substances 0.000 claims abstract 2
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 20
- 241001422033 Thestylus Species 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims 1
- 239000000523 sample Substances 0.000 abstract description 26
- 238000005259 measurement Methods 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract description 15
- 238000012360 testing method Methods 0.000 description 13
- 238000005452 bending Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000011326 mechanical measurement Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/12—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring rising or falling speed of the body; by measuring penetration of wedged gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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Abstract
Description
技术领域Technical field
本发明涉及水泥凝结时间测定技术领域，尤其涉及一种水泥凝结时间测定仪。The invention relates to the technical field of cement setting time measurement, and in particular to a cement setting time measuring instrument.
背景技术Background technique
在进行水泥凝结时间测定时，通常使用压力测定法，就是通过测量压力探针穿透水泥的深度，判断水泥的初凝与终凝时间。When measuring the cement setting time, the pressure measurement method is usually used, which is to judge the initial setting and final setting time of the cement by measuring the depth of the pressure probe penetrating the cement.
但现有技术中存在很多问题，其中对凝结时间测定影响最大的问题有两个，一是在初凝阶段时，针头容易触底，从而导致针头弯曲的问题。二是配重在自由落体释放时，其突然性无法保证，而且由于此步骤由人手动控制，在转动旋钮时不可避免的会对仪器造成振动，导致测量不准确。However, there are many problems in the existing technology. Among them, there are two problems that have the greatest impact on the measurement of coagulation time. One is that during the initial coagulation stage, the needle easily touches the bottom, causing the needle to bend. Second, when the counterweight is released in free fall, its suddenness cannot be guaranteed, and since this step is manually controlled, it will inevitably cause vibration to the instrument when turning the knob, resulting in inaccurate measurements.
因此现亟需一种可以解决上述问题的水泥凝结时间测定仪。Therefore, there is an urgent need for a cement setting time measuring instrument that can solve the above problems.
发明内容Contents of the invention
本发明目的在于提供一种水泥凝结时间测定仪，以解决上述问题。The object of the present invention is to provide a cement setting time measuring instrument to solve the above problems.
本发明通过下述技术方案实现：The present invention is realized through the following technical solutions:
一种水泥凝结时间测定仪，包括托盘、支撑柱、安装架、配重、测针、固定装置、阻尼缓冲器。A cement setting time measuring instrument includes a tray, a support column, an installation frame, a counterweight, a measuring needle, a fixing device, and a damping buffer.
其中安装架通过支撑柱安装固定在托盘上，配重和固定装置均安装在安装架上，测针安装在配重一端，配重安装固定有凸起，所述的阻尼缓冲器安装固定在安装架中。The installation frame is installed and fixed on the pallet through the support column. The counterweight and the fixing device are installed on the installation frame. The probe is installed on one end of the counterweight. The counterweight is installed and fixed with a protrusion. The damping buffer is installed and fixed on the installation frame. On the shelf.
所述的安装架为内部中空的圆柱体，在安装架的外表面上设有与内部中空相通的刻度槽，凸起穿出刻度尺，同时实现限位与标记高度的效果，在安装架内设有用于安装阻尼缓冲器的安装台。The mounting bracket is a cylinder with a hollow interior. The outer surface of the mounting bracket is provided with a scale groove that communicates with the inner hollow. The protrusion penetrates the scale and simultaneously achieves the effect of limiting and marking height. Inside the mounting bracket Equipped with mounting platform for installing damping buffer.
本发明设有阻尼缓冲器，当测定水泥初凝时间时，测针在碰撞底板前先通过阻尼缓冲器将测针的冲击力减小到一个测针可以承受的大小，解决了测针因碰撞导致弯曲的问题。The invention is equipped with a damping buffer. When measuring the initial setting time of cement, the impact force of the measuring needle is reduced to a size that the measuring needle can bear through the damping buffer before it collides with the bottom plate, thereby solving the problem of the impact of the measuring needle due to collision. causing bending problems.
优选的，固定装置包括滚轮、电控开关模块、阻力控制模块，滚轮的数量至少有两个，两个滚轮将配重夹住，滚轮与配重之间的摩擦力远大于配重的重力，也就是说滚轮与配重之间的摩擦力是配重的重力的20倍以上，配重的重力远大于滚轮的旋转阻力，也就是说配重的重力是滚轮的旋转阻力的20倍以上，阻力控制模块与两个滚轮的滚轴安装固定，控制滚轴旋转过程中的阻力大小，电控开关模块与阻力控制模块信号连接，控制滚轴的旋转与停止。Preferably, the fixing device includes rollers, an electronically controlled switch module, and a resistance control module. There are at least two rollers. The two rollers clamp the counterweight. The friction between the rollers and the counterweight is much greater than the gravity of the counterweight. That is to say, the friction between the roller and the counterweight is more than 20 times the gravity of the counterweight. The gravity of the counterweight is much greater than the rotation resistance of the roller. That is to say, the gravity of the counterweight is more than 20 times the rotation resistance of the roller. The resistance control module is installed and fixed with the rollers of the two rollers to control the resistance during the rotation of the rollers. The electronic control switch module is connected with the resistance control module signal to control the rotation and stop of the rollers.
本发明中的固定装置包括滚轮、电控开关模块、阻力控制模块，解决的测试过程中手动释放配重时存在的无法避免的误差问题。The fixing device in the present invention includes a roller, an electronically controlled switch module, and a resistance control module, which solves the inevitable error problem when manually releasing the counterweight during the test process.
优选的，阻尼缓冲器包括撞击垫、活塞杆、活塞盘、空筒，其中撞击垫安装固定在活塞杆一端，活塞盘安装固定在活塞杆另一端，活塞杆安装有活塞盘的一端安装进空筒中，其中空筒为一端开口的中空圆柱体，活塞盘与空筒为过盈配合，活塞盘上设有若干细小通孔。Preferably, the damping buffer includes an impact pad, a piston rod, a piston disk, and an empty cylinder. The impact pad is installed and fixed at one end of the piston rod, the piston disk is installed and fixed at the other end of the piston rod, and the end of the piston rod with the piston disk is installed in the air. In the cylinder, the hollow cylinder is a hollow cylinder with one end open, the piston disk and the hollow cylinder are interference fit, and the piston disk is provided with a number of small through holes.
本发明中的阻尼缓冲器包括撞击垫、活塞杆、活塞盘、空筒，其通过气体压缩缓冲配重的冲击力，在保护测针的同时也解决了等同作用的液压缓冲器体积过大的问题。The damping buffer in the present invention includes an impact pad, a piston rod, a piston disk, and an empty cylinder. It buffers the impact force of the counterweight through gas compression, which not only protects the probe, but also solves the problem that the hydraulic buffer with the same function is too large. question.
优选的，阻力控制模块包括联轴器、恒定阻力发生器，其中恒定阻力发生器与联轴器一端连接，联轴器另一端与任意一个滚轮的滚轴连接固定，联轴器通过安装架内的安装部与安装架安装固定。Preferably, the resistance control module includes a coupling and a constant resistance generator, wherein the constant resistance generator is connected to one end of the coupling, and the other end of the coupling is connected and fixed to the roller of any roller. The coupling passes through the mounting bracket. The mounting part is installed and fixed with the mounting bracket.
优选的，恒定阻力发生器包括摩擦轮、摩擦夹板、微型电机，其中摩擦轮与联轴器一端连接固定，摩擦轮位于摩擦夹板之间，微型电机控制摩擦夹板的开合度，以实现与摩擦轮之间的阻力大小控制。Preferably, the constant resistance generator includes a friction wheel, a friction splint, and a micro motor, wherein the friction wheel is connected and fixed to one end of the coupling, the friction wheel is located between the friction splints, and the micro motor controls the opening and closing of the friction splint to achieve friction with the friction wheel. The resistance size control between.
本发明中的恒定阻力发生器包括摩擦轮、摩擦夹板、微型电机，其通过微型电机和摩擦夹板对摩擦轮施加恒定力，配合电控开关模块不但可以控制配重的瞬间掉落，还解决了测针可能弯曲的问题。The constant resistance generator in the present invention includes a friction wheel, a friction splint, and a micro motor. It applies a constant force to the friction wheel through the micro motor and the friction splint. Cooperating with the electronic control switch module, it can not only control the instantaneous drop of the counterweight, but also solve the problem of Possible bending of the stylus.
优选的，配重包括一个圆柱体和一个凸环，凸环的最大半径比圆柱体的最大半径大1-3毫米，凸环的高度为0.5-1毫米，凸环安装固定在圆柱体上，凸环的最大半径的位置到测针端点的距离比滚轮与圆柱体的接触点到测针端点的距离小2-4毫米，其中安装架上适应性的设有用于凸环进出的变径装置。Preferably, the counterweight includes a cylinder and a convex ring. The maximum radius of the convex ring is 1-3 mm larger than the maximum radius of the cylinder. The height of the convex ring is 0.5-1 mm. The convex ring is installed and fixed on the cylinder. The distance from the maximum radius of the convex ring to the end of the stylus is 2-4 mm smaller than the distance from the contact point between the roller and the cylinder to the end of the stylus. The mounting frame is equipped with an adaptable diameter reducing device for the entry and exit of the convex ring. .
本发明的配重上设有可拆卸的凸环，当初凝测试时，可将凸环套在圆柱体上，并保证凸环的最大半径的位置到测针端点的距离比滚轮与圆柱体的接触点到测针端点的距离小2-4毫米，即可在测针触底前起到缓冲左右，防止了测针的弯曲。The counterweight of the present invention is provided with a detachable convex ring. During the initial condensation test, the convex ring can be placed on the cylinder and ensure that the distance from the position of the maximum radius of the convex ring to the end point of the probe is longer than the distance between the roller and the cylinder. The distance from the contact point to the end point of the stylus is 2-4 mm smaller, which can provide a buffer before the stylus bottoms out, preventing the stylus from bending.
变径装置具体为可拆卸垫片，可拆卸垫片安装固定在安装架上，可拆卸垫片中间设有圆孔，圆孔半径与配重半径相同，在安装架上有安装可拆卸垫片的安装孔，安装孔的半径大于凸环的最大半径。The diameter reducing device is specifically a detachable gasket. The detachable gasket is installed and fixed on the mounting bracket. There is a round hole in the middle of the detachable gasket. The radius of the round hole is the same as the radius of the counterweight. The detachable gasket is installed on the mounting bracket. The installation hole, the radius of the installation hole is greater than the maximum radius of the convex ring.
优选的，在测针的针头末端上设有压力传感器和电阻测量传感器，在测针内还设有信号发射模块，将压力传感器和电阻测量传感的信号发射到分析模块中。Preferably, a pressure sensor and a resistance measurement sensor are provided at the tip end of the stylus, and a signal transmitting module is also provided inside the stylus to transmit signals from the pressure sensor and resistance measurement sensor to the analysis module.
由于机械测量会不可避免的在每次测量中产生误差，为将误差减小，本发明结合了多重参数同时测量，通过多参数比较，将误差减小。Since mechanical measurement will inevitably produce errors in each measurement, in order to reduce the error, the present invention combines simultaneous measurement of multiple parameters and reduces the error through multi-parameter comparison.
优选的，在安装架上设有指示灯，指示灯与压力传感器信号连接，当测针触碰到水泥时指示灯点亮起。Preferably, an indicator light is provided on the installation frame, and the indicator light is connected to the pressure sensor signal. When the probe touches the cement, the indicator light lights up.
由于在实际测量中，通常会由多个不同实验人员进行测试，从而会导致实验误差增大，特别是在对针时，经常会出现测针头未触碰到水泥表面的情况，因此通过设置指示灯与压力传感器，实现了测试过程中的对针步骤的可视化，保证了不同操作人员可达到同样的测试精度。Since in actual measurements, tests are usually carried out by multiple different experimenters, which will lead to an increase in experimental errors, especially when aligning the needle, it often happens that the probe head does not touch the cement surface. Therefore, by setting the indication The lamp and pressure sensor realize the visualization of the needle alignment steps during the test process, ensuring that different operators can achieve the same test accuracy.
本发明与现有技术相比，具有如下的优点和有益效果：Compared with the prior art, the present invention has the following advantages and beneficial effects:
1、本发明设有阻尼缓冲器，当测定水泥初凝时间时，测针在碰撞底板前先通过阻尼缓冲器将测针的冲击力减小到一个测针可以承受的大小，解决了测针因碰撞导致弯曲的问题；1. The present invention is equipped with a damping buffer. When measuring the initial setting time of cement, the impact force of the stylus is reduced to a size that a stylus can withstand before the stylus collides with the bottom plate, thus solving the problem of Problems with bending due to collision;
2、本发明中的阻尼缓冲器包括撞击垫、活塞杆、活塞盘、空筒，其通过气体压缩缓冲配重的冲击力，在保护测针的同时也解决了等同作用的液压缓冲器体积过大的问题；2. The damping buffer in the present invention includes an impact pad, a piston rod, a piston disk, and an empty cylinder. It buffers the impact force of the counterweight through gas compression, which not only protects the probe, but also solves the problem of excessive volume of the hydraulic buffer with the same effect. big problem;
3、本发明中的恒定阻力发生器包括摩擦轮、摩擦夹板、微型电机，其通过微型电机和摩擦夹板对摩擦轮施加恒定力，配合电控开关模块不但可以控制配重的瞬间掉落，还解决了测针可能弯曲的问题。3. The constant resistance generator in the present invention includes a friction wheel, a friction splint, and a micro motor. It exerts a constant force on the friction wheel through the micro motor and the friction splint. Cooperating with the electronic control switch module, it can not only control the instantaneous drop of the counterweight, but also Fixed an issue where the stylus could bend.
附图说明Description of the drawings
此处所说明的附图用来提供对本发明实施例的进一步理解，构成本申请的一部分，并不构成对本发明实施例的限定。在附图中：The drawings described here are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation to the embodiments of the present invention. In the attached picture:
图1为实施例1的主视结构示意图；Figure 1 is a schematic front structural view of Embodiment 1;
图2为实施例1的主视剖视示意图；Figure 2 is a schematic front cross-sectional view of Embodiment 1;
图3为实施例1的侧视剖视示意图；Figure 3 is a schematic side cross-sectional view of Embodiment 1;
图4为实施例2的主视剖视示意图；Figure 4 is a schematic front cross-sectional view of Embodiment 2;
图5为实施例2的侧视剖视示意图；Figure 5 is a schematic side cross-sectional view of Embodiment 2;
图6为实施例3的侧视剖视示意图；Figure 6 is a schematic side cross-sectional view of Embodiment 3;
图7为实施例4的主视剖视示意图；Figure 7 is a schematic front cross-sectional view of Embodiment 4;
图8为实施例5的测针剖视示意图。Figure 8 is a schematic cross-sectional view of the probe of Embodiment 5.
附图标记所代表的为：1-托盘、2-支撑柱、3-安装架、4-配重、5-测针、6-滚轮、7-撞击垫、8-活塞杆、9-活塞盘、10-空筒、11-联轴器、12-摩擦轮、13-摩擦夹板、14-安装台、15-安装部、16-凸起、17-凸环、18-安装头、19-针头、20-压力传感器、21-电阻测量传感器、22-信号发射模块。The reference numbers represent: 1-tray, 2-support column, 3-mounting frame, 4-counterweight, 5-stylus, 6-roller, 7-impact pad, 8-piston rod, 9-piston disc , 10-empty cylinder, 11-coupling, 12-friction wheel, 13-friction splint, 14-mounting table, 15-mounting part, 16-bulge, 17-convex ring, 18-mounting head, 19-needle , 20-pressure sensor, 21-resistance measurement sensor, 22-signal transmitting module.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整的描述，显然，所描述的实施例仅仅是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。In order to enable those in the technical field to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only These are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts should fall within the scope of protection of this application.
需要说明的是，如果本申请的说明书和权利要求书及上述附图中涉及到术语“第一”、“第二”等，其是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例。此外，如果涉及到术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and the above-mentioned drawings, they are used to distinguish similar objects and are not necessarily used to describe a specific sequence. Or sequence. It should be understood that data so used may be interchanged where appropriate for the embodiments of the application described herein. Furthermore, when referring to the terms "include" and "having" and any variations thereof, it is intended to cover non-exclusive inclusions, e.g., a process, method, system, product, or apparatus that encompasses a series of steps or units need not necessarily be limited to the clear Those steps or elements listed may instead include other steps or elements not expressly listed or inherent to the process, method, product or apparatus.
在本申请中，如果涉及到术语“上”、“下”、“左”、“右”、“前”、“后”、“顶”、“底”、“内”、“外”、“中”、“竖直”、“水平”、“横向”、“纵向”等，其指示的方位或位置关系为基于附图所示的方位或位置关系。这些术语主要是为了更好地描述本申请及其实施例，并非用于限定所指示的装置、元件或组成部分必须具有特定方位，或以特定方位进行构造和操作。In this application, if the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", " "Central", "vertical", "horizontal", "horizontal", "vertical", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to having a specific orientation, or to be constructed and operated in a specific orientation.
并且，上述部分术语除了可以用于表示方位或位置关系以外，还可能用于表示其他含义，例如术语“上”在某些情况下也可能用于表示某种依附关系或连接关系。对于本领域普通技术人员而言，可以根据具体情况理解这些术语在本申请中的具体含义。Moreover, some of the above terms may also be used to express other meanings in addition to indicating orientation or positional relationships. For example, the term "upper" may also be used to express a certain dependence relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.
此外，在本申请中，如果涉及到术语“安装”、“设置”、“设有”、“连接”、“相连”、“套接”等应做广义理解。例如，可以是固定连接，可拆卸连接，或整体式构造；可以是机械连接，或电连接；可以是直接相连，或者是通过中间媒介间接相连，又或者是两个装置、元件或组成部分之间内部的连通。对于本领域普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。In addition, in this application, the terms "installation", "setup", "provided", "connection", "connected", "socket", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or between two devices, components or components. internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。It should be noted that, as long as there is no conflict, the embodiments and features in the embodiments of this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.
实施例1Example 1
如图1至图3所示，本实施例包括。As shown in Figures 1 to 3, this embodiment includes.
一种水泥凝结时间测定仪，包括托盘1、支撑柱2、安装架3、配重4、测针5、固定装置、阻尼缓冲器。A cement setting time measuring instrument includes a tray 1, a support column 2, a mounting frame 3, a counterweight 4, a measuring needle 5, a fixing device, and a damping buffer.
其中安装架3通过支撑柱2安装固定在托盘1上，配重4和固定装置均安装在安装架3上，测针5安装在配重4一端，配重4安装固定有凸起16，所述的阻尼缓冲器安装固定在安装架3中。The mounting bracket 3 is installed and fixed on the pallet 1 through the support column 2, the counterweight 4 and the fixing device are installed on the mounting bracket 3, the probe 5 is installed on one end of the counterweight 4, and the counterweight 4 is installed and fixed with a protrusion 16, so The damping buffer described above is installed and fixed in the mounting bracket 3.
可以理解的是，测针可以替换为初凝针、标准稠度针、终凝针，其区别为长度、粗细、材质的不同。It can be understood that the test needle can be replaced by an initial setting needle, a standard consistency needle, and a final setting needle. The differences are in length, thickness, and material.
所述的安装架3为内部中空的圆柱体，在安装架3的外表面上设有与内部中空相通的刻度槽，凸起16穿出刻度尺，同时实现限位与标记高度的效果，在安装架3内设有用于安装阻尼缓冲器的安装台14。The mounting bracket 3 is a cylinder with a hollow interior. The outer surface of the mounting bracket 3 is provided with a scale groove that communicates with the hollow interior. The protrusion 16 penetrates the scale and simultaneously achieves the effect of limiting and marking the height. The mounting bracket 3 is provided with a mounting platform 14 for mounting the damping buffer.
本发明设有阻尼缓冲器，当测定水泥初凝时间时，测针5在碰撞底板前先通过阻尼缓冲器将测针5的冲击力减小到一个测针5可以承受的大小，解决了测针5因碰撞导致弯曲的问题。The invention is provided with a damping buffer. When measuring the initial setting time of cement, the impact force of the measuring needle 5 is reduced to a size that one measuring needle 5 can bear before it collides with the bottom plate, thus solving the problem of measuring the initial setting time of cement. Pin 5 is bent due to collision.
在本实施例中，阻尼缓冲器包括撞击垫7、活塞杆8、活塞盘9、空筒10，其中撞击垫7安装固定在活塞杆8一端，活塞盘9安装固定在活塞杆8另一端，活塞杆8安装有活塞盘9的一端安装进空筒10中，其中空筒10为一端开口的中空圆柱体，活塞盘9与空筒10为过盈配合，活塞盘9上设有若干细小通孔。In this embodiment, the damping buffer includes an impact pad 7, a piston rod 8, a piston disk 9, and an empty cylinder 10. The impact pad 7 is installed and fixed on one end of the piston rod 8, and the piston disk 9 is installed and fixed on the other end of the piston rod 8. One end of the piston rod 8 with the piston disk 9 is installed into the hollow cylinder 10, where the hollow cylinder 10 is a hollow cylinder with one end open. The piston disk 9 and the hollow cylinder 10 are an interference fit. The piston disk 9 is provided with a number of small passages. hole.
本发明中的阻尼缓冲器包括撞击垫7、活塞杆8、活塞盘9、空筒10，其通过气体压缩缓冲配重4的冲击力，在保护测针5的同时也解决了等同作用的液压缓冲器体积过大的问题。The damping buffer in the present invention includes an impact pad 7, a piston rod 8, a piston disc 9, and an empty cylinder 10. It buffers the impact force of the counterweight 4 through gas compression, protects the probe 5, and also solves the problem of hydraulic pressure with the same effect. The buffer size problem is too large.
实施例2Example 2
如图4至图5所示，本实施例包括。As shown in Figures 4 to 5, this embodiment includes.
一种水泥凝结时间测定仪，包括托盘1、支撑柱2、安装架3、配重4、测针5、固定装置。A cement setting time measuring instrument includes a tray 1, a support column 2, a mounting frame 3, a counterweight 4, a measuring needle 5, and a fixing device.
其中安装架3通过支撑柱2安装固定在托盘1上，配重4和固定装置均安装在安装架3上，测针5安装在配重4一端，配重4安装固定有凸起16。The mounting frame 3 is installed and fixed on the pallet 1 through the support column 2, the counterweight 4 and the fixing device are installed on the mounting frame 3, the probe 5 is installed on one end of the counterweight 4, and the counterweight 4 is installed and fixed with a protrusion 16.
所述的安装架3为内部中空的圆柱体，在安装架3的外表面上设有与内部中空相通的刻度槽，凸起16穿出刻度尺，同时实现限位与标记高度的效果。The mounting bracket 3 is a cylinder with a hollow interior. The outer surface of the mounting bracket 3 is provided with a scale groove that communicates with the hollow interior. The protrusion 16 penetrates the scale to achieve the effects of limiting and marking height at the same time.
可以理解的是，凸起外端设有指示箭头，与刻度尺配合实现读数，现有技术中，指示箭头与凸起通常使用螺纹连接，在测试过程中极易产生螺纹滑丝，导致度数出现偏差，因此在本实施例中，指示箭头与凸起外端为矩形槽加磁吸连接，其中矩形槽设置在凸起上，矩形块设置在指示箭头上，此结构解决了指示箭头可能发生的旋转问题，在矩形槽与矩形块的接触面上均设有磁极相反的磁铁，实现了指示箭头与矩形槽的可拆卸安装。It can be understood that the outer end of the protrusion is provided with an indicator arrow, which cooperates with the scale to achieve readings. In the existing technology, the indicator arrow and the protrusion are usually connected by threads. During the test process, thread slippage is easily generated, causing the degree to appear. Therefore, in this embodiment, the indicator arrow and the outer end of the protrusion are connected by a rectangular groove and magnetic attraction, in which the rectangular groove is set on the protrusion, and the rectangular block is set on the indicator arrow. This structure solves the problem that may occur with the indicator arrow. To solve the problem of rotation, magnets with opposite magnetic poles are provided on the contact surfaces of the rectangular slot and the rectangular block, realizing the detachable installation of the indicator arrow and the rectangular slot.
在本实施例中，固定装置包括滚轮6、电控开关模块、阻力控制模块，滚轮6的数量至少有两个，两个滚轮6将配重4夹住，滚轮6与配重4之间的摩擦力远大于配重4的重力，也就是说滚轮6与配重之间的摩擦力是配重4的重力的20倍以上，配重4的重力远大于滚轮6的旋转阻力，也就是说配重4的重力是滚轮的旋转阻力的20倍以上，阻力控制模块与两个滚轮6的滚轴安装固定，控制滚轴旋转过程中的阻力大小，电控开关模块与阻力控制模块信号连接，控制滚轴的旋转与停止。In this embodiment, the fixing device includes a roller 6, an electronically controlled switch module, and a resistance control module. There are at least two rollers 6. The two rollers 6 clamp the counterweight 4. The gap between the roller 6 and the counterweight 4 is The friction force is much greater than the gravity of the counterweight 4, that is to say, the friction force between the roller 6 and the counterweight is more than 20 times the gravity of the counterweight 4, and the gravity of the counterweight 4 is much greater than the rotation resistance of the roller 6, that is to say The gravity of the counterweight 4 is more than 20 times the rotational resistance of the rollers. The resistance control module is installed and fixed on the rollers of the two rollers 6 to control the resistance during the rotation of the rollers. The electronic control switch module is connected with the resistance control module signal. Control the rotation and stop of the roller.
本发明中的固定装置包括滚轮6、电控开关模块、阻力控制模块，解决的测试过程中手动释放配重4时存在的无法避免的误差问题。The fixing device in the present invention includes a roller 6, an electronically controlled switch module, and a resistance control module, which solves the inevitable error problem when manually releasing the counterweight 4 during the test process.
在本实施例中，阻力控制模块包括联轴器11、恒定阻力发生器，其中恒定阻力发生器与联轴器11一端连接，联轴器11另一端与任意一个滚轮6的滚轴连接固定，联轴器11通过安装架3内的安装部15与安装架3安装固定。In this embodiment, the resistance control module includes a coupling 11 and a constant resistance generator. The constant resistance generator is connected to one end of the coupling 11, and the other end of the coupling 11 is connected and fixed to the roller of any roller 6. The coupling 11 is installed and fixed with the mounting bracket 3 through the mounting portion 15 in the mounting bracket 3 .
在本实施例中，恒定阻力发生器包括摩擦轮12、摩擦夹板13、微型电机，其中摩擦轮12与联轴器11一端连接固定，摩擦轮12位于摩擦夹板13之间，微型电机控制摩擦夹板13的开合度，以实现与摩擦轮12之间的阻力大小控制。In this embodiment, the constant resistance generator includes a friction wheel 12, a friction splint 13, and a micro motor. The friction wheel 12 is connected and fixed to one end of the coupling 11. The friction wheel 12 is located between the friction splints 13. The micro motor controls the friction splint. The opening and closing degree of 13 is to realize the control of the resistance between the friction wheel 12 and the friction wheel 12 .
在本实施例中的恒定阻力发生器包括摩擦轮12、摩擦夹板13、微型电机，其通过微型电机和摩擦夹板13对摩擦轮12施加恒定力，配合电控开关模块不但可以控制配重4的瞬间掉落，还解决了测针5可能弯曲的问题。In this embodiment, the constant resistance generator includes a friction wheel 12, a friction splint 13, and a micro motor. It exerts a constant force on the friction wheel 12 through the micro motor and the friction splint 13. With the electronic control switch module, it can not only control the movement of the counterweight 4 Dropping instantly also solves the problem of possible bending of the stylus 5.
实施例3Example 3
如图6所示，本实施例包括。As shown in Figure 6, this embodiment includes.
一种水泥凝结时间测定仪，包括托盘1、支撑柱2、安装架3、配重4、测针5、固定装置、阻尼缓冲器。A cement setting time measuring instrument includes a tray 1, a support column 2, a mounting frame 3, a counterweight 4, a measuring needle 5, a fixing device, and a damping buffer.
其中安装架3通过支撑柱2安装固定在托盘1上，配重4和固定装置均安装在安装架3上，测针5安装在配重4一端，配重4安装固定有凸起16，所述的阻尼缓冲器安装固定在安装架3中。The mounting bracket 3 is installed and fixed on the pallet 1 through the support column 2, the counterweight 4 and the fixing device are installed on the mounting bracket 3, the probe 5 is installed on one end of the counterweight 4, and the counterweight 4 is installed and fixed with a protrusion 16, so The damping buffer described above is installed and fixed in the mounting bracket 3.
所述的安装架3为内部中空的圆柱体，在安装架3的外表面上设有与内部中空相通的刻度槽，凸起16穿出刻度尺，同时实现限位与标记高度的效果，在安装架3内设有用于安装阻尼缓冲器的安装台14。The mounting bracket 3 is a cylinder with a hollow interior. The outer surface of the mounting bracket 3 is provided with a scale groove that communicates with the hollow interior. The protrusion 16 penetrates the scale and simultaneously achieves the effect of limiting and marking the height. The mounting bracket 3 is provided with a mounting platform 14 for mounting the damping buffer.
本发明设有阻尼缓冲器，当测定水泥初凝时间时，测针5在碰撞底板前先通过阻尼缓冲器将测针5的冲击力减小到一个测针5可以承受的大小，解决了测针5因碰撞导致弯曲的问题。The invention is provided with a damping buffer. When measuring the initial setting time of cement, the impact force of the measuring needle 5 is reduced to a size that one measuring needle 5 can bear before it collides with the bottom plate, thus solving the problem of measuring the initial setting time of cement. Pin 5 is bent due to collision.
在本实施例中，固定装置包括滚轮6、电控开关模块、阻力控制模块，滚轮6的数量至少有两个，两个滚轮6将配重4夹住，滚轮6与配重4之间的摩擦力远大于配重4的重力，配重4的重力远大于滚轮6的旋转阻力，阻力控制模块与两个滚轮6的滚轴安装固定，控制滚轴旋转过程中的阻力大小，电控开关模块与阻力控制模块信号连接，控制滚轴的旋转与停止。In this embodiment, the fixing device includes a roller 6, an electronically controlled switch module, and a resistance control module. There are at least two rollers 6. The two rollers 6 clamp the counterweight 4. The gap between the roller 6 and the counterweight 4 is The friction force is much greater than the gravity of the counterweight 4, and the gravity of the counterweight 4 is much greater than the rotation resistance of the roller 6. The resistance control module is installed and fixed with the rollers of the two rollers 6 to control the resistance during the rotation of the rollers. The electronic control switch The module is connected with the resistance control module via signals to control the rotation and stop of the roller.
本发明中的固定装置包括滚轮6、电控开关模块、阻力控制模块，解决的测试过程中手动释放配重4时存在的无法避免的误差问题。The fixing device in the present invention includes a roller 6, an electronically controlled switch module, and a resistance control module, which solves the inevitable error problem when manually releasing the counterweight 4 during the test process.
在本实施例中，阻尼缓冲器包括撞击垫7、活塞杆8、活塞盘9、空筒10，其中撞击垫7安装固定在活塞杆8一端，活塞盘9安装固定在活塞杆8另一端，活塞杆8安装有活塞盘9的一端安装进空筒10中，其中空筒10为一端开口的中空圆柱体，活塞盘9与空筒10为过盈配合，活塞盘9上设有若干细小通孔。In this embodiment, the damping buffer includes an impact pad 7, a piston rod 8, a piston disk 9, and an empty cylinder 10. The impact pad 7 is installed and fixed on one end of the piston rod 8, and the piston disk 9 is installed and fixed on the other end of the piston rod 8. One end of the piston rod 8 with the piston disk 9 is installed into the hollow cylinder 10, where the hollow cylinder 10 is a hollow cylinder with one end open. The piston disk 9 and the hollow cylinder 10 are an interference fit. The piston disk 9 is provided with a number of small passages. hole.
本发明中的阻尼缓冲器包括撞击垫7、活塞杆8、活塞盘9、空筒10，其通过气体压缩缓冲配重4的冲击力，在保护测针5的同时也解决了等同作用的液压缓冲器体积过大的问题。The damping buffer in the present invention includes an impact pad 7, a piston rod 8, a piston disc 9, and an empty cylinder 10. It buffers the impact force of the counterweight 4 through gas compression, protects the probe 5, and also solves the problem of hydraulic pressure with the same effect. The buffer size problem is too large.
在本实施例中，阻力控制模块包括联轴器11、恒定阻力发生器，其中恒定阻力发生器与联轴器11一端连接，联轴器11另一端与任意一个滚轮6的滚轴连接固定，联轴器11通过安装架3内的安装部15与安装架3安装固定。In this embodiment, the resistance control module includes a coupling 11 and a constant resistance generator. The constant resistance generator is connected to one end of the coupling 11, and the other end of the coupling 11 is connected and fixed to the roller of any roller 6. The coupling 11 is installed and fixed with the mounting bracket 3 through the mounting portion 15 in the mounting bracket 3 .
在本实施例中，恒定阻力发生器包括摩擦轮12、摩擦夹板13、微型电机，其中摩擦轮12与联轴器11一端连接固定，摩擦轮12位于摩擦夹板13之间，微型电机控制摩擦夹板13的开合度，以实现与摩擦轮12之间的阻力大小控制。In this embodiment, the constant resistance generator includes a friction wheel 12, a friction splint 13, and a micro motor. The friction wheel 12 is connected and fixed to one end of the coupling 11. The friction wheel 12 is located between the friction splints 13. The micro motor controls the friction splint. The opening and closing degree of 13 is to realize the control of the resistance between the friction wheel 12 and the friction wheel 12 .
本发明中的恒定阻力发生器包括摩擦轮12、摩擦夹板13、微型电机，其通过微型电机和摩擦夹板13对摩擦轮12施加恒定力，配合电控开关模块不但可以控制配重4的瞬间掉落，还解决了测针5可能弯曲的问题。The constant resistance generator in the present invention includes a friction wheel 12, a friction splint 13, and a micro motor. It exerts a constant force on the friction wheel 12 through the micro motor and the friction splint 13. Cooperating with the electronic control switch module, it can not only control the instantaneous drop of the counterweight 4 It also solves the problem of possible bending of the stylus 5.
工作过程：当需要测定水泥初凝时间时，先将搅拌好的水泥放到托盘1上，在水泥预处理完成后，将测针5手动抬高到相应位置，然后根据配重4来调整恒定阻力发生器，也就是调整摩擦夹板13对摩擦轮12施加的压力大小，调整好后，启动电机，摩擦夹板13移动到预先调整好的位置，此时配重4受重力下坠，测针5进入水泥中，如恒定阻力发生器的数值调整错误，配重4的冲击力过大时，配重4上的凸起16会撞击到阻尼缓冲器上进行缓冲，从而保护测针5。Working process: When it is necessary to measure the initial setting time of cement, first put the mixed cement on the tray 1. After the cement pretreatment is completed, manually raise the probe 5 to the corresponding position, and then adjust the constant according to the counterweight 4 The resistance generator is to adjust the pressure exerted by the friction splint 13 on the friction wheel 12. After adjustment, start the motor and the friction splint 13 moves to the pre-adjusted position. At this time, the counterweight 4 falls due to gravity and the probe 5 enters. In cement, if the value of the constant resistance generator is adjusted incorrectly and the impact force of the counterweight 4 is too large, the protrusion 16 on the counterweight 4 will hit the damping buffer for buffering, thereby protecting the probe 5.
需要理解的是，阻尼缓冲器的活塞杆8的高度是可调节的，可随实验要求调整到不影响结果的高度。It should be understood that the height of the piston rod 8 of the damping buffer is adjustable and can be adjusted to a height that does not affect the results according to the experimental requirements.
实施例4Example 4
根据图7所示，在实施例3的基础上，与实施例3不同的是，配重4包括一个圆柱体和一个凸环17，凸环17的最大半径比圆柱体的最大半径大1-3毫米，凸环17的高度为0.5-1毫米，凸环17安装固定在圆柱体上，凸环17的最大半径的位置到测针5端点的距离比滚轮6与圆柱体的接触点到测针5端点的距离小2-4毫米。According to FIG. 7 , on the basis of Embodiment 3, the difference from Embodiment 3 is that the counterweight 4 includes a cylinder and a convex ring 17 , and the maximum radius of the convex ring 17 is 1-1 larger than the maximum radius of the cylinder. 3 mm, the height of the raised ring 17 is 0.5-1 mm, the raised ring 17 is installed and fixed on the cylinder, the distance from the maximum radius of the raised ring 17 to the end point of the probe 5 is longer than the distance from the contact point of the roller 6 to the cylinder to the probe. The distance between the end points of needle 5 is 2-4 mm smaller.
配重4上设有可拆卸的凸环17，当初凝测试时，可将凸环17套在圆柱体上，并保证凸环17的最大半径的位置到测针5端点的距离比滚轮6与圆柱体的接触点到测针5端点的距离小2-4毫米，即可在测针5触底前起到缓冲左右，防止了测针5的弯曲，其中安装架3上适应性的设有用于凸环17进出的变径装置。The counterweight 4 is provided with a detachable convex ring 17. During the initial condensation test, the convex ring 17 can be placed on the cylinder and ensure that the distance from the maximum radius of the convex ring 17 to the end point of the probe 5 is greater than the distance between the roller 6 and the The distance from the contact point of the cylinder to the end point of the stylus 5 is 2-4 mm, which can provide a buffer before the stylus 5 bottoms out, preventing the stylus 5 from bending. The mounting bracket 3 is provided with an adaptable A reducing device that enters and exits the raised ring 17.
变径装置具体为可拆卸垫片，可拆卸垫片安装固定在安装架3上，可拆卸垫片中间设有圆孔，圆孔半径与配重4半径相同，在安装架3上有安装可拆卸垫片的安装孔，安装孔的半径大于凸环17的最大半径。The diameter reducing device is specifically a detachable gasket. The detachable gasket is installed and fixed on the mounting frame 3. There is a round hole in the middle of the detachable gasket. The radius of the round hole is the same as the radius of the counterweight 4. There is an installation can be installed on the mounting frame 3. Remove the mounting hole of the gasket. The radius of the mounting hole is greater than the maximum radius of the raised ring 17.
实施例5Example 5
根据图8所示，在实施例4的基础上，与实施例4不同的是，在测针5的针头19末端上设有压力传感器20和电阻测量传感器21，在测针5内还设有信号发射模块22，将压力传感器20和电阻测量传感的信号发射到分析模块中。As shown in Figure 8, on the basis of Embodiment 4, what is different from Embodiment 4 is that a pressure sensor 20 and a resistance measurement sensor 21 are provided at the end of the needle 19 of the stylus 5, and there is also a pressure sensor 20 and a resistance measurement sensor 21 inside the stylus 5. The signal transmitting module 22 transmits the signals sensed by the pressure sensor 20 and the resistance measurement to the analysis module.
具体的，测针5包括安装头18、针头19、压力传感器20、电阻测量传感器21、信号发射模块22。其中安装头18两端分别设有针头19安装部15和配重4安装部15，在其配重4安装部15的一端设有一个空腔，信号发射模块22安装在其中，针头19为空心圆柱体，压力传感器20与电阻测量传感器21均安装在针头19末端，并通过导线与安装头18中的信号发射模块22连接。Specifically, the probe 5 includes a mounting head 18 , a needle 19 , a pressure sensor 20 , a resistance measurement sensor 21 , and a signal transmitting module 22 . The two ends of the mounting head 18 are respectively provided with a needle 19 mounting part 15 and a counterweight 4 mounting part 15. One end of the counterweight 4 mounting part 15 is provided with a cavity in which the signal transmitting module 22 is installed. The needle 19 is hollow The cylinder, the pressure sensor 20 and the resistance measurement sensor 21 are all installed at the end of the needle 19 and connected to the signal transmitting module 22 in the installation head 18 through wires.
可以理解的是，压力传感器20和电阻测量传感以及信号发射模块22和分析模块均为现有技术，其中测量针头19进入水泥后的压力，可调整阻力发生器的大小，使得阻力调整到最合理的数值，另外电阻测量传感器21是测量水泥的电阻，由于水泥在凝结过程中的电阻大小是不同的，可结合其电阻值，精确初凝以及终凝的时间。It can be understood that the pressure sensor 20 and resistance measurement sensing as well as the signal transmitting module 22 and the analysis module are all existing technologies, in which the pressure after the needle 19 enters the cement can be adjusted to adjust the size of the resistance generator so that the resistance is adjusted to the maximum. Reasonable value. In addition, the resistance measurement sensor 21 measures the resistance of the cement. Since the resistance of the cement during the setting process is different, the resistance value can be combined to accurately determine the initial setting and final setting times.
由于机械测量会不可避免的在每次测量中产生误差，为误差减小，本实施例结合了多重参数同时测量，通过多参数比较，将误差减小。Since mechanical measurement will inevitably produce errors in each measurement, in order to reduce the error, this embodiment combines simultaneous measurement of multiple parameters and reduces the error through multi-parameter comparison.
在安装架上设有指示灯，指示灯与压力传感器20信号连接，当测针触碰到水泥时指示灯点亮起。An indicator light is provided on the mounting frame, and the indicator light is connected to the signal of the pressure sensor 20. When the probe touches the cement, the indicator light lights up.
由于在实际测量中，通常会由多个不同实验人员进行测试，从而会导致实验误差增大，特别是在对针时，经常会出现测针头未触碰到水泥表面的情况，因此通过设置指示灯与压力传感器，实现了测试过程中的对针步骤的可视化，保证了不同操作人员可达到同样的测试精度。Since in actual measurements, tests are usually carried out by multiple different experimenters, which will lead to an increase in experimental errors, especially when aligning the needle, it often happens that the probe head does not touch the cement surface. Therefore, by setting the indication The lamp and pressure sensor realize the visualization of the needle alignment steps during the test process, ensuring that different operators can achieve the same test accuracy.
可以理解的是，初凝针、标准稠度针、终凝针上均设置有上述结构，以实现全过程段的精准测量。It can be understood that the initial setting needle, standard consistency needle, and final setting needle are all provided with the above-mentioned structures to achieve accurate measurement throughout the entire process.
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above-mentioned specific embodiments further describe the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above-mentioned are only specific embodiments of the present invention and are not intended to limit the scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
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