Compressive strength detection tool for refractory material experiment
By designing a pressure resistance testing fixture with linkage and protection mechanisms, the problems of uneven material stress and fragmentation were solved, resulting in more accurate test results and a safer testing environment.
Patent Information
- Application Number
- CN202520443563.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing pressure resistance testing fixtures lack positioning functions, resulting in uneven stress on materials, large errors in test results, and easy fragmentation when materials break, posing a safety hazard.
A pressure resistance testing fixture including a linkage mechanism, guide groove and clamping plate was designed. The linkage mechanism achieves uniform clamping and positioning of the material, and a protective mechanism is provided to prevent fragments from splashing. The test is performed using an electric push rod and a pressure measuring plate.
To ensure uniform stress on materials, reduce testing errors, improve the accuracy and safety of test results, prevent fragmentation, and reduce the risk of injury to laboratory personnel and equipment.
Smart Images

Figure CN223910636U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fireproof material experimental technical field, concretely is a kind of pressure strength detection frock for fireproof material experiment. BACKGROUND
[0002] Fireproof material refers to a kind of inorganic non-metallic material with fire resistance not less than 1580 DEG C, and the fire resistance refers to the Celsius temperature that conical body sample of fireproof material does not soften and melt down under the action of high temperature without load, in order to detect the limit load that fireproof material can withstand without being destroyed on a certain unit area, it needs to use pressure strength detection frock to detect.
[0003] Part of the pressure strength detection frock currently used does not have the function of positioning material, and material may deviate or shake in the process of being pressed, so that stress is uneven, so that the pressure strength value detected exists deviation with actual value, and this deviation can mislead the judgment of material performance of research and development personnel, and then affect subsequent material selection and application, and part of the pressure strength detection frock does not have the protection function, if fireproof material is broken due to excessive pressure, fragments may splash, fragments may cause harm to experimental personnel, such as scratch, impact, etc., fragments may impact sensitive components of equipment, leading to equipment failure or damage. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of pressure strength detection frock for fireproof material experiment to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pressure strength detection frock for fireproof material experiment, including general control equipment and the placement seat bolted to one side of the top of general control equipment, further including:
[0006] The bearing plate bolted to one side of the inner wall of general control equipment, the top of bearing plate is bolted with vertical plate, the inside of general control equipment is provided with linkage mechanism, the four sides of the top of general control equipment are all provided with guide slot, the four sides of the top of general control equipment are all slidably connected with clamping plate;
[0007] The mounting bracket bolted to the top of general control equipment, the top of the inner wall of mounting bracket is bolted with electric push rod, the extension shaft of electric push rod is bolted with pressure measuring disc, one side of the surface of pressure measuring disc is bolted with connecting plate, the surface of connecting plate is slidably connected with the inner cavity of the two sides of mounting bracket, and the side of connecting plate is provided with protection mechanism.
[0008] Preferably, the linkage mechanism comprises a stepper motor bolted to one side of the top of the bearing plate and a driving shaft bolted to the output shaft of the stepper motor, one end of the surface of the driving shaft is bolted with a bevel gear, the other four sides of the surface of the bevel gear are rotatably connected with one side of the surface of the four vertical plates respectively, the inner wall of the vertical plate is rotatably connected with a reciprocating threaded rod, one end of the surface of the reciprocating threaded rod is bolted with one side of the surface of the bevel gear, the other end of the surface of the reciprocating threaded rod is rotatably connected with one side of the inner wall of the total control device, the surface of the reciprocating threaded rod is threadedly connected with a transmission plate, one side of the surface of the transmission plate is slidably connected with the inner wall of the guide groove, and the top of the transmission plate is bolted with the bottom of the clamping plate.
[0009] Preferably, the protection mechanism comprises a compression spring fixed to one side of the bottom of the connecting plate and a protective cover fixed to the other end of the surface of the two compression springs, and the top of the connecting plate is bolted with auxiliary frames on both sides, one side of the surface of the auxiliary frame is bolted with a telescopic rod, and the extension shaft of the telescopic rod is bolted with one side of the top of the protective cover.
[0010] Preferably, the number of the vertical plates is four and they are arranged in a ring array with the center point of the placing seat.
[0011] Preferably, the height of the clamping plate is greater than the height of the placing seat.
[0012] Preferably, the width of the inner wall of the protective cover is greater than the maximum moving distance of the two clamping plates.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The utility model discloses a linkage mechanism, guide groove and clamping plate cooperate, can ensure that the material is even in the process of being under pressure, this helps to avoid the sample from the uneven stress and occurs deflection or deformation, thereby more accurately reflects its pressure strength, can reduce the detection error caused by the improper position of material, this helps to improve the accuracy and reliability of the detection result, under the cooperation of the connecting plate and the protection mechanism, can effectively prevent the fragments produced when the material is under pressure and broken, this greatly reduces the risk of the fragments to the experimental personnel causes the scratch, impact and other injuries, prevents the detection component from being damaged or affecting the detection precision because of the impact. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the three -dimensional structure schematic diagram in the utility model;
[0016] Figure 2 It is the section structure schematic diagram of total control equipment and protection cover in the utility model;
[0017] Figure 3 It is the structure schematic diagram of linkage mechanism in the utility model;
[0018] Figure 4 It is the structure schematic view of the protection mechanism in the utility model.
[0019] In the drawing: 1, general control equipment; 2, placing seat; 3, bearing plate; 4, vertical plate; 5, linkage mechanism; 51, stepping motor; 52, driving shaft; 53, bevel gear; 54, reciprocating threaded rod; 55, transmission plate; 6, guide groove; 7, clamping plate; 8, mounting frame; 9, electric push rod; 10, pressure measuring disc; 11, connecting plate; 12, protection mechanism; 121, compression spring; 122, protective cover; 123, auxiliary frame; 124, telescopic rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] Please refer to Figures 1-4 As shown in the drawing, a compressive strength detection tool for refractory material experiment, including general control equipment 1, one side of the top of general control equipment 1 is hinged with placing seat 2, refractory material can be placed above placing seat 2, one side of the inner wall of general control equipment 1 is hinged with bearing plate 3, the top of bearing plate 3 is hinged with vertical plate 4, the number of vertical plate 4 is four and is distributed in annular array with the center point of placing seat 2, the inside of general control equipment 1 is provided with linkage mechanism 5, the four sides of the top of general control equipment 1 are all provided with guide groove 6, under the action of guide groove 6, the parts inside linkage mechanism 5 can operate more stably, the four sides of the top of general control equipment 1 are all slidingly connected with clamping plate 7, linkage mechanism 5 is used in cooperation with clamping plate 7, when linkage mechanism 5 operates, the clamping plate 7 on the four sides can move to the opposite direction, when the clamping plate 7 on the four sides moves to the appropriate position, refractory material can be clamped and positioned, the height of clamping plate 7 is greater than the height of placing seat 2, the top of general control equipment 1 is hinged with mounting frame 8, the top of the inner wall of mounting frame 8 is hinged with electric push rod 9, the extension shaft of electric push rod 9 is hinged with pressure measuring disc 10, under the action of electric push rod 9, pressure measuring disc 10 can be lifted to detect refractory material, one side of the surface of pressure measuring disc 10 is hinged with connecting plate 11, the surface of connecting plate 11 is slidingly connected with the inner cavity of the two sides of mounting frame 8, when pressure measuring disc 10 is lifted, connecting plate 11 can be lifted, one side of connecting plate 11 is provided with protection mechanism 12, when connecting plate 11 is lifted, the parts inside protection mechanism 12 can be lifted, when pressure measuring disc 10 detects material, under the action of protection mechanism 12, the material can be prevented from breaking and splashing.
[0022] The linkage mechanism 5 comprises a stepping motor 51, one side of the surface of the stepping motor 51 is bolted to one side of the top of the bearing plate 3, the output shaft of the stepping motor 51 is bolted with a driving shaft 52, under the action of the stepping motor 51, the driving shaft 52 can rotate, the other end of the surface of the driving shaft 52 is bolted with a bevel gear 53, the other four sides of the surface of the bevel gear 53 are rotatably connected with one side of the surface of the four side vertical plates 4 respectively, when the driving shaft 52 rotates, the bevel gear 53 can rotate, the inner wall of the vertical plate 4 is rotatably connected with a reciprocating threaded rod 54, one end of the surface of the reciprocating threaded rod 54 is bolted with one side of the surface of the bevel gear 53, the other end of the surface of the reciprocating threaded rod 54 is rotatably connected with one side of the inner wall of the general control equipment 1, when the bevel gear 53 rotates, the reciprocating threaded rod 54 can rotate, the surface of the reciprocating threaded rod 54 is screw-connected with a transmission plate 55, one side of the surface of the transmission plate 55 is slidably connected with the inner wall of the guide groove 6, when the reciprocating threaded rod 54 rotates, the transmission plate 55 can move, the top of the transmission plate 55 is bolted with the bottom of the clamping plate 7, when the transmission plate 55 moves, the clamping plate 7 can move.
[0023] The protection mechanism 12 comprises two compression springs 121, one end of the surface of the compression spring 121 is fixedly connected with one side of the bottom of the connecting plate 11, the other end of the surface of the two compression springs 121 is bolted with a protective cover 122, the inner wall of the protective cover 122 is wider than the maximum moving distance of the two clamping plates 7, when the protective cover 122 is lowered to the appropriate position, it can be in contact with the top of the general control equipment 1, under the action of the reaction, the protective cover 122 can drive the two compression springs 121 to compress, the top of the connecting plate 11 is bolted with an auxiliary frame 123 on both sides, one side of the surface of the auxiliary frame 123 is bolted with a telescopic rod 124, the extension shaft of the telescopic rod 124 is bolted with one side of the top of the protective cover 122, under the action of the reaction, the telescopic rod 124 on both sides can be retracted, the telescopic rod 124 is located in the interior of the compression spring 121, under the action of the telescopic rod 124, the compression spring 121 can be prevented from deviating.
[0024] Working principle: when the refractory is placed on the placing seat 2, the step motor 51 is started, under the action of the step motor 51, the driving shaft 52 can be rotated, when the driving shaft 52 rotates, the conical gear 53 can be rotated, then the conical gear 53 rotates can drive the reciprocating threaded rod 54 to rotate, next the reciprocating threaded rod 54 rotates can make the transmission plate 55 move, when the transmission plate 55 moves, the clamping plate 7 can be moved, then the four side clamping plates 7 move to the appropriate position can clamp and position the refractory, when the load cell 10 detects the refractory, when the load cell 10 descends to the appropriate position, the protective cover 122 can contact the top of the general control equipment 1, under the action, the protective cover 122 rises, then the protective cover 122 rises can make the two sides of the compression spring 121 compress, at the same time when the protective cover 122 rises, the two sides of the telescopic rod 124 can be retracted, the protective cover 122 can be suitable for materials of different thicknesses when it rises, and under the action of the protective cover 122, the material can be prevented from breaking and splashing when being detected.
[0025] It should be noted that the relative terms such as first and second and the like in the present text are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.
[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A compressive strength detection tool for refractory material experiments, comprising a master control device (1) and a placing seat (2) bolted to one side of the top of the master control device (1), characterized in that, Also include: The bearing plate (3) is bolted to one side of the inner wall of the general control device (1), the top of the bearing plate (3) is bolted with a vertical plate (4), the inside of the general control device (1) is provided with a linkage mechanism (5), the four sides of the top of the general control device (1) are provided with a guide groove (6), and the four sides of the top of the general control device (1) are slidably connected with a clamping plate (7); The mounting bracket (8) is bolted to the top of the general control device (1), the top of the inner wall of the mounting bracket (8) is bolted with an electric push rod (9), the extension shaft of the electric push rod (9) is bolted with a pressure measuring disc (10), one side of the surface of the pressure measuring disc (10) is bolted with a connecting plate (11), and the surfaces of the two sides of the connecting plate (11) are slidably connected with the inner cavities of the two sides of the mounting bracket (8). One side of the connecting plate (11) is provided with a protection mechanism (12).
2. The compressive strength detection tool for refractory material experiments according to claim 1, characterized in that: The linkage mechanism (5) comprises a stepping motor (51) bolted to one side of the top of the bearing plate (3) and a driving shaft (52) bolted to the output shaft of the stepping motor (51). The other end of the surface of the driving shaft (52) is bolted with a bevel gear (53), and the other four sides of the surface of the bevel gear (53) are rotatably connected with one side of the surface of the four vertical plates (4). The inner wall of the vertical plate (4) is rotatably connected with a reciprocating threaded rod (54), one end of the surface of the reciprocating threaded rod (54) is bolted with one side of the surface of the bevel gear (53), and the other end of the surface of the reciprocating threaded rod (54) is rotatably connected with one side of the inner wall of the general control device (1). The surface of the reciprocating threaded rod (54) is threadedly connected with a transmission plate (55), one side of the surface of the transmission plate (55) is slidably connected with the inner wall of the guide groove (6), and the top of the transmission plate (55) is bolted with the bottom of the clamping plate (7).
3. The compressive strength detection tool for refractory material experiments according to claim 1, characterized in that: The protection mechanism (12) comprises a compression spring (121) fixed to one side of the bottom of the connecting plate (11) and a protective cover (122) fixed to the other end of the surface of the two compression springs (121). The two sides of the top of the connecting plate (11) are bolted with an auxiliary frame (123), one side of the surface of the auxiliary frame (123) is bolted with a telescopic rod (124), and the extension shaft of the telescopic rod (124) is bolted with one side of the top of the protective cover (122).
4. The compressive strength detection tool for refractory material experiments according to claim 1, characterized in that: The number of vertical plates (4) is four and is arranged in a ring array around the center point of the placement seat (2).
5. The compressive strength detection tool for refractory material experiments according to claim 1, characterized in that: The height of the clamping plate (7) is greater than the height of the placement seat (2).
6. The compressive strength detection tool for refractory material experiments according to claim 3, characterized in that: The width of the inner wall of the protective cover (122) is greater than the maximum moving distance of the two clamping plates (7).