Die for detecting compression resistance of cement
By designing a mold for cement compression performance detection with automatic calibration clamping mechanism and protective mechanism, the problems of offset and debris splash of existing molds when detecting cement are solved, and the accuracy of the detection results and operator safety protection are achieved.
Patent Information
- Application Number
- CN202421001731.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing cement compressive performance testing molds are prone to offset and debris splashing when detecting cement, which affects the detection effect and causes harm to the staff.
A mold for testing cement compression resistance performance including a clamping mechanism and a protective mechanism is designed. The clamping mechanism automatically calibrates and clamps the outer wall of irregular cement blocks through the electric telescopic rod and trapezoidal slide system. The protective mechanism drives the protective door to close through the rotating rotating rod and synchronous wheel system to prevent debris from splashing.
The cement blocks on the outer walls of different rules are implemented to ensure the accuracy of the inspection results, and to effectively protect the operator during the inspection process to avoid damage to equipment and personnel due to debris.
Smart Images
Figure CN222579792U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of compression resistance detection, in particular to a mold for cement compression resistance detection. Background Art
[0002] Highway engineering refers to the survey, measurement, design, construction, maintenance, and management of highway structures. Highway engineering structures include: roadbed, pavement, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, as well as houses, workshops and other service facilities used for construction, maintenance and monitoring. There are also many types of raw materials used in highway construction, among which cement is used more frequently in highway construction. Before highway construction, the selected raw material cement needs to be pressure tested.
[0003] However, when testing the existing cement compression performance test mold, the cement is usually irregular in shape. During the test, the cement is easily offset, causing the cement to deviate during the test, affecting the inspection effect. In addition, when testing the cement, there are no protective measures, and the flying debris may cause harm to the staff. Therefore, it is urgent to solve this problem. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a mould for testing the compression performance of cement.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A mold for testing the compression resistance of cement, comprising a base, a U-shaped protective plate fixed on the top of the base, a top plate fixed on the top of the U-shaped protective plate, a testing mechanism for testing the compression resistance of cement provided at the bottom of the top plate, a driving device for driving the testing mechanism provided at the top of the top plate, a clamping mechanism for clamping and fixing cement provided on an outer wall of one side of the base, and protective mechanisms for testing cement provided at both ends of the top of the base;
[0007] The clamping mechanism includes a U-shaped fixing plate fixed to the outer wall of one side of the base, an electric telescopic rod is installed on the inner wall of one side of the U-shaped fixing plate, the output shaft of the electric telescopic rod is fixed to a mounting shell, three trapezoidal slide grooves are fixed to the bottom of the inner wall of the mounting shell, and the three trapezoidal slide grooves are arranged in a T shape, the inner wall of the trapezoidal slide groove is provided with an adaptive trapezoidal slider, a trapezoidal fixing block is fixed to the top of the trapezoidal slider, one side bevel angle of two of the trapezoidal fixing blocks is in contact with the bevel angle of another trapezoidal fixing block, two of the trapezoidal fixing blocks are fixed with extrusion pads passing through the outer wall of one side of the mounting shell, when the extrusion pad encounters an irregular outer wall of the cement block, the two trapezoidal fixing blocks close to the cement block will automatically calibrate and clamp the outer walls of different rules.
[0008] As a further solution of the utility model, a first communicating slide groove is opened on the top of the trapezoidal fixed block, a first limit block is fixed on the top of the trapezoidal slide groove, and the three first slide grooves correspond and match the three first limit blocks one by one, and protective mechanisms are provided at both ends of the mounting shell.
[0009] As a further solution of the utility model, the protective mechanism includes a rotating rod rotatably connected to the two ends of the base near the top of the mounting shell, a protective door is fixed to the outer wall of the rotating rod, a second slot is opened at the bottom of the side where the two protective doors are close to each other, and the two second slots are adapted to the mounting shell, a synchronous wheel is fixed to the bottom of the outer wall of the rotating rod, a matching synchronous belt is provided on the outer wall of the synchronous wheel, and another synchronous wheel is adapted at the other end of the synchronous belt, and a gear is fixed to the outer wall of one of the synchronous wheels.
[0010] As a further solution of the utility model, racks are fixed to the bottom of the outer walls at both ends of the mounting shell, and the racks are meshed with the gears. Third slots are provided on the outer walls of the mounting shell at both ends away from the gears. A second limit block is connected to the third slot through a torsion spring, and the end of the second limit block away from the rack is an arc surface, and the second limit block is adapted to the gear. An observation window is provided on the outer wall of the protective door, and a detection mechanism is provided at the bottom of the top plate. When the mounting shell moves, the two rotating rods will drive the two protective doors to close for protection.
[0011] As a further solution of the utility model, the detection mechanism includes a pressure transmission rod arranged at the bottom of the top plate, a pressure block is installed at the bottom of the pressure transmission rod, and a driving device is provided at the top of the top plate.
[0012] As a further solution of the utility model, the driving device includes a hydraulic rod installed on the top of the top plate, and the output shaft of the hydraulic rod is connected to the top of the pressure transmission rod.
[0013] As a further solution of the utility model, a plurality of positioning columns are provided on one side of the top of the base, baffles are fixed at both ends of the top of the base, and the baffles cooperate with the protective mechanism.
[0014] The beneficial effects of the utility model are:
[0015] The utility model is provided with a clamping mechanism, when the electric telescopic rod is running, when the extrusion pad encounters an irregular outer wall of a cement block, the two trapezoidal fixing blocks close to the cement block will automatically calibrate the outer walls with different rules, thereby achieving the effect of clamping and fixing the cement blocks with different regular outer walls.
[0016] The utility model is provided with a protection mechanism. When the mounting shell moves, one of the synchronous wheels drives the rotating rod to rotate. At this time, the two rotating rods drive the two protection doors to close, thereby achieving the effect of protecting the operator during detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a three-dimensional structural schematic diagram of a mold for testing the compressive properties of cement proposed by the utility model;
[0018] Figure 2 This is a schematic diagram of the first partial explosion structure of a mold for testing the compressive performance of cement proposed by the utility model;
[0019] Figure 3 This is a schematic diagram of the second partial explosion structure of a mold for testing the compressive performance of cement proposed by the utility model;
[0020] Figure 4 This is a schematic diagram of the third partial structure of a mold for testing the compression resistance of cement proposed by the utility model.
[0021] In the figure: 1. base; 2. U-shaped protective plate; 3. top plate; 4. protective door; 5. observation window; 6. U-shaped fixing plate; 7. hydraulic rod; 8. electric telescopic rod; 9. mounting shell; 10. trapezoidal slide; 12. trapezoidal slider; 14. first slide; 15. trapezoidal fixing block; 16. extrusion pad; 17. first limit block; 18. rack; 19. second limit block; 20. synchronous wheel; 21. second notch; 22. rotating rod; 23. gear; 24. synchronous belt; 25. baffle; 26. positioning column; 27. pressure transmission rod; 28. pressure block. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0024] Reference Figure 1-Figure 4 A mold for testing the compression performance of cement comprises a base 1, a U-shaped protective plate 2 is fixed on the top of the base 1, a top plate 3 is fixed on the top of the U-shaped protective plate 2, a testing mechanism for testing the compression of cement is arranged at the bottom of the top plate 3, a driving device for driving the testing mechanism is arranged on the top of the top plate 3, a clamping mechanism for clamping and fixing cement is arranged on the outer wall of one side of the base 1, and protective mechanisms for testing cement are arranged at both ends of the top of the base 1;
[0025] The clamping mechanism includes a U-shaped fixing plate 6 fixed to the outer wall of one side of the base 1, an electric telescopic rod 8 is installed on the inner wall of one side of the U-shaped fixing plate 6, the output shaft of the electric telescopic rod 8 is fixed with a mounting shell 9, three trapezoidal slide grooves 10 are fixed to the bottom of the inner wall of the mounting shell 9, and the three trapezoidal slide grooves 10 are arranged in a T shape, the inner wall of the trapezoidal slide groove 10 is provided with an adaptive trapezoidal slider 12, and a trapezoidal fixing block 15 is fixed on the top of the trapezoidal slider 12, wherein one side bevel angle of two trapezoidal fixing blocks 15 contacts the bevel angle of another trapezoidal fixing block 15, wherein two trapezoidal fixing blocks 15 pass through the outer wall of one side of the mounting shell 9 and are fixed with an extrusion pad 16, when the extrusion pad 16 encounters an irregular outer wall of a cement block, the two trapezoidal fixing blocks 15 close to the cement block will automatically calibrate and clamp the outer walls of different rules.
[0026] In this embodiment, a first communicating slide groove 14 is opened on the top of the trapezoidal fixed block 15, a first limit block 17 is fixed on the top of the trapezoidal slide groove 10, and the three first slide grooves 14 correspond to and adapt to the three first limit blocks 17 one by one, and protective mechanisms are provided at both ends of the mounting shell 9.
[0027] In this embodiment, the protection mechanism includes a rotating rod 22 rotatably connected to the two ends of the base 1 near the top of the mounting shell 9, the outer wall of the rotating rod 22 is fixed with a protection door 4, and a second slot 21 is provided at the bottom of the side where the two protection doors 4 are close to each other, and the two second slots 21 are adapted to the mounting shell 9, and a synchronous wheel 20 is fixed to the bottom of the outer wall of the rotating rod 22, and an adapted synchronous belt 24 is provided on the outer wall of the synchronous wheel 20, and another synchronous wheel 20 is adapted at the other end of the synchronous belt 24, and a gear 23 is fixed to the outer wall of one of the synchronous wheels 20.
[0028] In this embodiment, a rack 18 is fixed to the bottom of the outer wall at both ends of the mounting shell 9, and the rack 18 is meshed with the gear 23. A third slot is provided on the outer wall at both ends of the mounting shell 9 away from the gear 23. A second limit block 19 is connected in the third slot through a torsion spring, and the end of the second limit block 19 away from the rack 18 is an arc surface, and the second limit block 19 is adapted to the gear 23. An observation window 5 is provided on the outer wall of the protective door 4, and a detection mechanism is provided at the bottom of the top plate 3. When the mounting shell 9 moves, the two rotating rods 22 will drive the two protective doors 4 to close for protection.
[0029] In this embodiment, the detection mechanism includes a pressure transmission rod 27 disposed at the bottom of the top plate 3 , a pressure block 28 is installed at the bottom of the pressure transmission rod 27 , and a driving device is provided at the top of the top plate 3 .
[0030] In this embodiment, the driving device includes a hydraulic rod 7 installed on the top of the top plate 3 , and the output shaft of the hydraulic rod 7 is connected to the top of the pressure transmission rod 27 .
[0031] In this embodiment, a plurality of positioning posts 26 are provided on one side of the top of the base 1 , baffles 25 are fixed at both ends of the top of the base 1 , and the baffles 25 cooperate with the protective mechanism.
[0032] Working principle: When in use, first place the cement block to be inspected on the top of the base 1. At this time, the cement block is located between the positioning columns 26. At this time, the electric telescopic rod 8 is operated. At this time, the electric telescopic rod 8 will drive the installation shell 9 to approach the cement block. When the installation shell 9 drives two of the trapezoidal fixed blocks 15 to approach the outer wall of the cement block, the two trapezoidal fixed blocks 15 will drive the extrusion pad 16 to squeeze and clamp the outer wall of the cement block. At this time, when the extrusion pad 16 encounters an irregular outer wall of the cement block, two of the trapezoidal fixed blocks 15 will drive the corresponding trapezoidal slider 12 to slide in the trapezoidal slide groove 10. At this time, two of the trapezoidal fixed blocks 15 will squeeze the other trapezoidal fixed block 15. At this time, the two trapezoidal fixed blocks 15 close to the cement block will automatically calibrate the outer walls with different rules, thereby realizing the clamping of cement blocks with different regular outer walls. The fixing effect is that when the mounting shell 9 moves, the mounting shell 9 will drive the racks 18 at both ends to move, and the racks 18 will drive the gear 23 to rotate, and the gear 23 will drive one of the synchronous wheels 20 to rotate, and the synchronous wheel 20 will drive another synchronous wheel 20 to rotate through the synchronous belt 24, and one of the synchronous wheels 20 will drive the rotating rod 22 to rotate, and the two rotating rods 22 will drive the two protective doors 4 to close, thereby achieving the effect of protecting the operator during detection, and the hydraulic rod 7 is run at this time, and the hydraulic rod 7 will drive the pressure block 28 close to the top of the cement block, and the pressure transmission rod 27 will transmit the pressure data to the terminal, and the staff can observe the pressure detection through the observation window 5, and the two baffles 25 will prevent the splashing cement debris from damaging the gear 23 and the synchronous belt 24 during the detection.
[0033] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.
[0034] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0035] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0036] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A mold for testing the compressive properties of cement, comprising a base (1), characterized in that: A U-shaped protective plate (2) is fixed on the top of the base (1), a top plate (3) is fixed on the top of the U-shaped protective plate (2), a detection mechanism for performing compression testing on cement is provided at the bottom of the top plate (3), a driving device for driving the detection mechanism is provided at the top of the top plate (3), a clamping mechanism for clamping and fixing cement is provided on one side outer wall of the base (1), and protective mechanisms for testing cement are provided at both ends of the top of the base (1); The clamping mechanism comprises a U-shaped fixing plate (6) fixed to the outer wall of one side of the base (1); an electric telescopic rod (8) is installed on the inner wall of one side of the U-shaped fixing plate (6); the output shaft of the electric telescopic rod (8) is fixed to a mounting shell (9); three trapezoidal slide grooves (10) are fixed to the bottom of the inner wall of the mounting shell (9), and the three trapezoidal slide grooves (10) are arranged in a T shape; the inner wall of the trapezoidal slide groove (10) is provided with an adapted trapezoidal slider (12); a trapezoidal fixing block (15) is fixed to the top of the trapezoidal slider (12), wherein one side oblique angle of two of the trapezoidal fixing blocks (15) contacts the oblique angle of another trapezoidal fixing block (15), and wherein the two trapezoidal fixing blocks (15) are fixed with a compression pad (16) passing through the outer wall of one side of the mounting shell (9).
2. The mold for testing the compressive performance of cement according to claim 1, characterized in that: A first sliding groove (14) communicating with each other is provided on the top of the trapezoidal fixed block (15), a first limiting block (17) is fixed on the top of the trapezoidal sliding groove (10), and the three first sliding grooves (14) correspond to and fit the three first limiting blocks (17) one by one, and protective mechanisms are provided at both ends of the mounting shell (9).
3. The mold for testing the compressive performance of cement according to claim 2, characterized in that: The protection mechanism comprises a rotating rod (22) rotatably connected to the two ends of the top of the base (1) near the mounting shell (9); a protection door (4) is fixed to the outer wall of the rotating rod (22); a second notch (21) is provided at the bottom of a side where the two protection doors (4) are close to each other, and the two second notches (21) are adapted to the mounting shell (9); a synchronous wheel (20) is fixed to the bottom of the outer wall of the rotating rod (22); an adapted synchronous belt (24) is provided on the outer wall of the synchronous wheel (20); another synchronous wheel (20) is adapted to the other end of the synchronous belt (24); a gear (23) is fixed to the outer wall of one of the synchronous wheels (20).
4. The mold for testing the compressive performance of cement according to claim 3, characterized in that: A rack (18) is fixed to the bottom of the outer wall at both ends of the mounting shell (9), and the rack (18) is meshed with the gear (23). A third notch is opened on the outer wall at both ends of the mounting shell (9) away from the gear (23), and a second limit block (19) is connected to the third notch through a torsion spring, and one end of the second limit block (19) away from the rack (18) is an arc surface, and the second limit block (19) is adapted to the gear (23). An observation window (5) is provided on the outer wall of the protective door (4), and a detection mechanism is provided at the bottom of the top plate (3).
5. The mold for testing the compressive performance of cement according to claim 4, characterized in that: The detection mechanism comprises a pressure transmission rod (27) arranged at the bottom of the top plate (3), a pressure block (28) is installed at the bottom of the pressure transmission rod (27), and a driving device is arranged at the top of the top plate (3).
6. The mold for testing the compressive performance of cement according to claim 5, characterized in that: The driving device comprises a hydraulic rod (7) installed on the top of the top plate (3), and the output shaft of the hydraulic rod (7) is connected to the top of the pressure transmission rod (27).
7. The mold for testing the compressive performance of cement according to claim 4, characterized in that: A plurality of positioning columns (26) are provided on one side of the top of the base (1), baffles (25) are fixed at both ends of the top of the base (1), and the baffles (25) cooperate with the protective mechanism.