Comprehensive pavement material strength tester

Abstract

The utility model discloses a pavement material strength comprehensive tester which comprises a base, an operation table is arranged on one side of the top of the base, a buffer seat is arranged on the other side of the top of the base, a material fixing assembly is arranged on the top of the buffer seat, and supporting columns are arranged at the four corners of the top of the base. A mounting bin is arranged between the tops of the multiple sets of supporting columns. According to the utility model, under the cooperation of the counterweight plate, the through groove, the slot, the electric push rod, the connecting rod, the guide pipe, the second electric cylinder and the insertion rod, the influence of different weights on the material can be tested by replacing the counterweight in the test process, and various data can be obtained, so that the strength of the material can be tested, and the test efficiency can be improved. Then in the testing process, under the cooperation of a pull plate, a spring, a material placing plate, a pull rod, a clamping plate and a placing groove, the position of the material can be fixed, and the situation that the material deviates in the testing process, and the testing effect is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of material testing, in particular to a comprehensive testing instrument for the strength of pavement materials. Background Art

[0002] The road surface is a place where vehicles often pass by, and the road surface strength determines the service life of the road surface. Therefore, in the process of road construction, high-strength materials need to be selected. In order to test the strength of these materials, it is necessary to use testing equipment to perform strength tests on these materials.

[0003] The existing authorization publication number is "CN217111761U", which is a comprehensive tester for the strength of pavement materials. It includes a fixed base, the bottom of which is fixedly connected to two connecting plates, the top of which is fixedly connected to a workbench, a cleaning assembly is provided on the connecting plate, an adjustment assembly is provided on the connecting plate, and the adjustment assembly includes a motor fixedly installed on the right side of the right connecting plate, the output shaft of the motor is fixedly connected to a threaded rod, and the outer side of the threaded rod is movably connected to two movable blocks. The comprehensive tester for the strength of pavement materials is provided with a cleaning assembly. After the test is completed, the connecting block drives the cleaning brush to swing horizontally on the workbench, so that the cleaning brush cleans the workbench and removes the debris on the workbench. The staff no longer needs to manually clean the workbench, which reduces the staff's workload, facilitates the use of the user, and improves the practicality of the device.

[0004] However, the device only tests the strength of the material by simply pressing the material. However, if the test is conducted in this way, effective data cannot be measured well, thereby affecting the effect of the material strength test. Utility Model Content

[0005] The purpose of the utility model is to provide a comprehensive tester for the strength of pavement materials to solve the existing problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pavement material strength comprehensive tester comprises a base, an operating table is provided on one side of the top of the base, a buffer seat is provided on the other side of the top of the base, a material fixing component is provided on the top of the buffer seat, support columns are provided at the four corners of the top of the base, a mounting bin is provided between the tops of multiple groups of support columns, a first electric cylinder is provided at the bottom of the mounting bin, a mounting tube is provided at the output end of the first electric cylinder, a second electric cylinder is provided inside the mounting tube, a connecting rod is provided at the output end of the second electric cylinder, electric push rods are symmetrically provided on both sides of the connecting rod, an insertion rod is provided at the output end of the electric push rod, multiple groups of guide tubes are evenly provided on both sides of the mounting tube, the guide tubes are communicated with the mounting tube, multiple groups of counterweight plates are evenly provided inside the mounting bin, a through groove is provided at the counterweight plate, a slot is provided inside the through groove, a moving rod is provided at the bottom of the mounting tube, and a pressure plate is provided at the bottom of the moving rod.

[0007] Preferably, the material fixing assembly includes a pull plate, a spring, a material placement plate, a pull rod, a splint and a placement groove. A material placement plate is provided on the top of the buffer seat, a placement groove is provided on the top of the material placement plate, pull rods are symmetrically provided on both sides of the material placement plate, one side of the pull rod extends to the interior of the placement groove and is provided with a splint, and a pull plate is provided on the side of the pull rod away from the pull rod, which can fix the position of the material to prevent the material from shifting during the test and affecting the test effect.

[0008] Preferably, a mounting plate is provided at one end of the base, and a plurality of groups of connecting bolts are provided at the four corners of the mounting plate, so as to facilitate opening the base and repairing the components inside the base.

[0009] Preferably, mounting sleeves are respectively provided at the four corners of the bottom of the mounting bin, and a fixing bolt is provided at one end of the mounting sleeve, and the support column is located inside the mounting sleeve, which is convenient for fixing the position of the mounting bin, so that the support column can be better connected to the mounting bin.

[0010] Preferably, mounting holes are symmetrically provided on both sides of the material placement plate, and the pull rod is located inside the mounting hole, so that the pull rod can extend through the mounting hole to the inside of the placement groove.

[0011] Preferably, a guide sleeve is provided at the bottom of the installation bin, and the moving rod and the guide sleeve are adapted to each other to ensure the stability of the moving rod during movement and prevent it from deflecting.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the comprehensive tester for the strength of pavement materials;

[0013] Through the cooperation of the counterweight plate, through slot, slot, electric push rod, connecting rod, guide tube, second electric cylinder and insertion rod, the counterweight can be changed during the test to test the influence of different weights on the material, and then obtain a variety of data to test the strength of the material. Then, during the test, through the cooperation of the pull plate, spring, material placement plate, pull rod, splint and placement slot, the position of the material can be fixed to prevent the material from shifting during the test and affecting the test effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the utility model;

[0016] Figure 3 It is the front view of the utility model;

[0017] Figure 4 For the utility model Figure 2 A magnified image of point A;

[0018] Figure 5 This is a structural diagram of the material fixing assembly of the utility model.

[0019] In the figure: 1. base; 2. operating table; 3. material fixing assembly; 31. pull plate; 32. spring; 33. material placement plate; 34. pull rod; 35. clamping plate; 36. placement slot; 4. pressure plate; 5. moving rod; 6. mounting pipe; 7. first electric cylinder; 8. mounting bin; 9. counterweight plate; 10. support column; 11. buffer seat; 12. through groove; 13. slot; 14. electric push rod; 15. connecting rod; 16. guide tube; 17. second electric cylinder; 18. insertion rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 5The embodiment provided by the utility model is a comprehensive tester for the strength of pavement materials, comprising a base 1, a mounting plate is provided at one end of the base 1, and a plurality of connecting bolts are provided at the four corners of the mounting plate, so that the base 1 can be opened conveniently to repair the components inside it, an operating table 2 is provided on one side of the top of the base 1, a buffer seat 11 is provided on the other side of the top of the base 1, a material fixing assembly 3 is provided on the top of the buffer seat 11, and the material fixing assembly 3 comprises a pull plate 31, a spring 32, a material placement plate 33, a pull rod 34, a clamping plate 35 and a placement groove 36, and the top of the buffer seat 11 A material placement plate 33 is provided, a placement groove 36 is provided on the top of the material placement plate 33, pull rods 34 are symmetrically provided on both sides of the material placement plate 33, mounting holes are symmetrically provided on both sides of the material placement plate 33, the pull rods 34 are located inside the mounting holes, so that the pull rods 34 can extend to the inside of the placement groove 36 through the mounting holes, one side of the pull rod 34 extends to the inside of the placement groove 36 and is provided with a clamping plate 35, and a pull plate 31 is provided on one side of the pull rod 34 away from the pull rod 34, which can fix the position of the material to prevent the material from shifting during the test and affecting the test effect;

[0022] Support columns 10 are provided at the four corners of the top of the base 1, and a mounting chamber 8 is provided between the tops of the multiple groups of support columns 10. Mounting sleeves are provided at the four corners of the bottom of the mounting chamber 8, and one end of the mounting sleeve is provided with a fixing bolt. The support column 10 is located inside the mounting sleeve, which is convenient for fixing the position of the mounting chamber 8 so that the support column 10 can be better connected to the mounting chamber 8. A first electric cylinder 7 is provided at the bottom of the mounting chamber 8, and a mounting pipe 6 is provided at the output end of the first electric cylinder 7. A second electric cylinder 17 is provided inside the mounting pipe 6, and a connecting rod 15 is provided at the output end of the second electric cylinder 17. , electric push rods 14 are symmetrically arranged on both sides of the connecting rod 15, and an insertion rod 18 is arranged at the output end of the electric push rod 14. Multiple groups of guide tubes 16 are evenly arranged on both sides of the mounting tube 6, and the guide tubes 16 are communicated with the mounting tube 6. Multiple groups of counterweight plates 9 are evenly arranged inside the mounting bin 8, and a through groove 12 is arranged at the counterweight plate 9. A slot 13 is arranged inside the through groove 12. A moving rod 5 is arranged at the bottom of the mounting tube 6, and a guide sleeve is arranged at the bottom of the mounting bin 8, and the moving rod 5 and the guide sleeve are adapted to each other to ensure the stability of the moving rod 5 during movement and prevent it from deflecting. A pressing plate 4 is arranged at the bottom of the moving rod 5.

[0023] Working principle: During the test, first pull the two sets of pull plates 31, and when the pull plates 31 are pulled, the pull rod 34 is driven to move, so that the spring 32 is stretched, and then the material is placed inside the placement groove 36. At this time, the pull plate 31 is released, so that the spring 32 is reset and drives the pull rod 34 and the clamping plate 35 to move, and then the two sets of clamping plates 35 clamp the material to fix it. After the material is fixed, start the first electric cylinder 7, and the first electric cylinder 7 drives the installation tube 6 to move up, and stops after moving to the specified position. At this time, the installation tube 6 moves down due to the influence of gravity, and then the moving rod 5 and the pressure plate 4 impact the material. When it is necessary to increase the weight, start the second The electric cylinder 17 drives the connecting rod 15 to move. When the connecting rod 15 moves to the bottom, the electric push rod 14 starts, driving the insertion rod 18 to be inserted into the inside of the slot 13, so that the connecting rod 15 is connected to the counterweight plate 9 at the bottom, so that multiple sets of counterweight plates 9 apply pressure to the material at the same time. When the counterweight needs to be reduced, the connecting rod 15 is controlled to move upward, so that the connecting rod 15 moves to the counterweight plate 9 at the top position, and then the electric push rod 14 and the insertion rod 18 are controlled to be connected to the counterweight plate 9. During the upward movement of the installation tube 6, the installation tube 6 only drives the top counterweight plate 9, and then during the test, only the top counterweight plate 9 material applies pressure.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0025] In the description of the present utility model, unless otherwise specified, "multiple" means two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A comprehensive tester for pavement material strength, comprising a base (1), characterized in that: An operating table (2) is provided on one side of the top of the base (1), a buffer seat (11) is provided on the other side of the top of the base (1), a material fixing assembly (3) is provided on the top of the buffer seat (11), support columns (10) are provided at the four corners of the top of the base (1), a mounting chamber (8) is provided between the tops of a plurality of groups of support columns (10), a first electric cylinder (7) is provided at the bottom of the mounting chamber (8), a mounting tube (6) is provided at the output end of the first electric cylinder (7), a second electric cylinder (17) is provided inside the mounting tube (6), and a second electric cylinder (17) is provided at the output end of the second electric cylinder (17). A connecting rod (15), electric push rods (14) are symmetrically arranged on both sides of the connecting rod (15), an insertion rod (18) is arranged at the output end of the electric push rod (14), a plurality of guide tubes (16) are evenly arranged on both sides of the mounting tube (6), the guide tubes (16) are communicated with the mounting tube (6), a plurality of counterweight plates (9) are evenly arranged inside the mounting bin (8), a through groove (12) is arranged at the counterweight plate (9), a slot (13) is arranged inside the through groove (12), a moving rod (5) is arranged at the bottom of the mounting tube (6), and a pressure plate (4) is arranged at the bottom of the moving rod (5).

2. A pavement material strength comprehensive tester according to claim 1, characterized in that: The material fixing assembly (3) comprises a pulling plate (31), a spring (32), a material placing plate (33), a pulling rod (34), a clamping plate (35) and a placing groove (36); the top of the buffer seat (11) is provided with a material placing plate (33); the top of the material placing plate (33) is provided with a placing groove (36); pulling rods (34) are symmetrically provided on both sides of the material placing plate (33); one side of the pulling rod (34) extends into the interior of the placing groove (36) and is provided with a clamping plate (35); and the side of the pulling rod (34) away from the pulling rod (34) is provided with a pulling plate (31).

3. A pavement material strength comprehensive tester according to claim 1, characterized in that: A mounting plate is provided at one end of the base (1), and a plurality of groups of connecting bolts are respectively provided at the four corners of the mounting plate.

4. A pavement material strength comprehensive tester according to claim 1, characterized in that: The four corners of the bottom of the installation bin (8) are respectively provided with installation sleeves, and one end of the installation sleeve is provided with a fixing bolt, and the support column (10) is located inside the installation sleeve.

5. A pavement material strength comprehensive tester according to claim 2, characterized in that: The material placement plate (33) is symmetrically provided with mounting holes on both sides, and the pull rod (34) is located inside the mounting hole.

6. A pavement material strength comprehensive tester according to claim 1, characterized in that: A guide sleeve is provided at the bottom of the installation bin (8), and the moving rod (5) and the guide sleeve are adapted to each other.

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