Device for mounting dial indicator for soil rebound modulus test
Technical Field
The utility model relates to the technical field of a soil resilience modulus test installation dial gauge, in particular to a device for the soil resilience modulus test installation dial gauge.
Background
The static rebound modulus of the soil reflects the performance of the soil body under the action of static force. In the rebound modulus test, a dial indicator is required to be fixed on an upright post, a measuring head of the dial indicator is placed on a meter frame of a bearing plate for test, and rebound deformation of each level of pressure is measured through the dial indicator, so that the rebound modulus under each level of load is obtained.
The utility model discloses a pneumatic full-automatic device for measuring the rebound modulus of soil, which comprises a base, wherein a test die for bearing a sample is arranged in the middle of the base, a support frame is further arranged on the base, a driving cylinder is arranged in the center of the top of the support frame, the output end of the driving cylinder is downwards connected with a pressure rod, and a pressure sensor is arranged at the bottom of the pressure rod; a T-shaped bearing piece is arranged between the pressure rod and the test die, the bottom of the T-shaped bearing piece extends into the test die to be contacted with a test piece, and the middle part of the top surface of the T-shaped bearing piece is contacted with the bottom of the pressure rod; the T-shaped bearing piece is characterized in that 2 dial gauges are arranged above the T-shaped bearing piece, 2 dial gauges are respectively arranged on supporting frames on two sides of the test die through brackets, and the measuring ends of the dial gauges are vertically contacted with the top surface of the T-shaped bearing piece. The method solves the problems of low accuracy, large error and the like of the soil-based rebound modulus measurement in the prior art.
In view of the above, the inventor considers that the current device mainly has heavy bracket, inconvenient installation and unstable dial indicator after installation, and influences the accuracy of test results.
Disclosure of Invention
The utility model aims to provide a device for mounting a dial indicator for a soil resilience modulus test, which aims to effectively solve the problems that the existing device mainly has heavy bracket and inconvenient mounting when measuring, and the accuracy of test results is affected due to instability of the dial indicator after mounting.
In order to solve the problems, the utility model adopts the following technical scheme:
the device for mounting the dial indicator for the soil resilience modulus test comprises a fixing device and a fixing support assembly, wherein the fixing device comprises symmetrically arranged fixing rings, a plurality of first fixing knobs are inserted into the internal threads of the fixing rings, a first stand column and a second stand column are inserted into the two sides of the fixing rings respectively, and the first stand column and the second stand column are positioned on the same horizontal line;
the fixed support assembly comprises triangular L-shaped supports sleeved on the surfaces of the first upright posts and the second upright posts respectively, second fixed knobs are inserted into the triangular L-shaped supports symmetrically, and threaded sleeves are fixedly connected to one sides of the triangular L-shaped supports symmetrically.
As a preferable scheme of the utility model, the fixing ring, the first upright post and the second upright post are made of stainless steel.
As a preferable scheme of the utility model, the symmetrical triangular L-shaped bracket is made of stainless steel.
As a preferable scheme of the utility model, fixing bolts are symmetrically inserted into the inner walls of the fixing rings in a threaded manner, and one ends of the fixing bolts penetrate through the fixing rings to be respectively abutted against the outer walls of the first upright posts and the second upright posts.
As a preferable scheme of the utility model, a third fixing knob is inserted into one side of the symmetrical triangular L-shaped bracket in a threaded manner, and one end of the third fixing knob penetrates through the triangular L-shaped bracket to be respectively abutted against the outer walls of the first upright post and the second upright post.
As a preferable scheme of the utility model, one end of the first fixing knob, one end of the second fixing knob and one end of the third fixing knob are fixedly connected with a fixing plate, and the surface of the fixing plate is provided with anti-skid patterns.
Compared with the prior art, the utility model has the advantages that:
1. the fixed ring is directly arranged on the test cylinder for the test, so that the inconvenience of a heavy bracket is reduced, the problems of insufficient placement position and the like of a large bracket are avoided, and meanwhile, the installation is more convenient.
2. The dial indicator fixing support adopts a symmetrical triangular L-shaped support and is made of stainless steel, so that the influence of easy deviation and instability after the dial indicator is installed on a cross rod is avoided, the problem that the dial indicator fixing support cannot be fixed after the plastic material is aged and worn is avoided, and the service life of the support is prolonged.
3. One end fixedly connected with fixed plate of first fixed knob, second fixed knob and third fixed knob, the anti-skidding line has been seted up on the surface of fixed plate, and fixed plate increases first fixed knob, second fixed knob and the rotatory volume of third fixed knob, makes things convenient for the staff knob, and the anti-skidding line on fixed plate surface alternately sets up, increases the frictional force of fixed plate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the present utility model;
fig. 3 is a schematic side view of the present utility model.
The reference numerals in the figures illustrate:
1. a fixing device; 11. a fixing ring; 12. a first upright; 13. a second upright; 14. a first fixed knob; 15. a fixing bolt; 2. a fixed bracket assembly; 21. a triangular L-shaped bracket; 22. a second fixed knob; 221. a fixing plate; 23. a third fixed knob; 24. a threaded sleeve.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-3, a device for installing a dial indicator for soil resilience modulus test comprises a fixing device 1 and a fixing support assembly 2, wherein the fixing device 1 comprises a symmetrically arranged fixing ring 11, a first fixing knob 14 is inserted into the internal threads of the symmetrical fixing ring 11, a plurality of first stand columns 12 and second stand columns 13 are arranged on the first fixing knob 14, two sides of the symmetrical fixing ring 11 are respectively inserted into the two sides of the symmetrical fixing ring, fixing bolts 15 are inserted into the symmetrical threads of the inner walls of the symmetrical fixing ring 11, one ends of the symmetrical fixing bolts 15 penetrate through the fixing ring 11 and are respectively abutted against the outer walls of the first stand columns 12 and the second stand columns 13, the fixing bolts 15 fix the fixing ring 11, and the limiting stability of the first stand columns 12 and the second stand columns 13 to the first stand columns 12 and the second stand columns 13 is increased.
Referring to fig. 1-3, the first upright 12 and the second upright 13 are in the same horizontal line, the symmetrical fixing ring 11, the first upright 12 and the second upright 13 are made of stainless steel, the fixing ring 11 supports the first upright 12 and the second upright 13, two sides of the fixing ring 11 slide along the outer wall surfaces of the first upright 12 and the second upright 13, the fixing ring 11 is convenient to lift, the fixing support assembly 2 comprises a triangle L-shaped support 21 sleeved on the surfaces of the first upright 12 and the second upright 13 respectively, a second fixing knob 22 is inserted into the symmetrical triangle L-shaped support 21, one side of the symmetrical triangle L-shaped support 21 is fixedly connected with a threaded sleeve 24, the symmetrical triangle L-shaped support 21 is made of stainless steel, one side of the triangle L-shaped support 21 is provided with a support column, and the support column increases the structural strength of the triangle L-shaped support 21, so that the triangle L-shaped support 21 supports the dial indicator body.
Referring to fig. 1-3, a third fixing knob 23 is screwed and inserted on one side of the symmetrical triangular L-shaped bracket 21, one end of the third fixing knob 23 penetrates through the triangular L-shaped bracket 21 to be respectively abutted against the outer walls of the first upright post 12 and the second upright post 13, the third fixing knob 23 limits the top of the triangular L-shaped bracket 21, the stability of connection between the first upright post 12 and the second upright post 13 and the triangular L-shaped bracket 21 is improved, one ends of the first fixing knob 14, the second fixing knob 22 and the third fixing knob 23 are fixedly connected with a fixing plate 221, anti-skidding threads are formed on the surface of the fixing plate 221, the rotation volume of the first fixing knob 14, the second fixing knob 22 and the third fixing knob 23 is increased by the fixing plate 221, convenience is brought to the worker to turn, the anti-skidding threads on the surface of the fixing plate 221 are crossly formed, and the friction force of the fixing plate 221 is increased.
Working principle:
according to the utility model, when the test-tube fixing device is used, the fixing device 1 is sleeved on the outer wall of a test tube of a prepared test piece and is fixed through 2 sleeves of 8 first fixing knobs 14, the fixing ring 11 is placed at the center of the surface of the test piece, the movable dial indicator is fixed on the surface of the fixing support assembly 2 through the threaded sleeve 24, the adjustment is carried out according to the positions of the triangular L-shaped supports 21 on two sides of the fixing ring 11, the triangular L-shaped supports 21 are fixed on the outer wall of the test tube through the adjustable second fixing knobs 22, the triangular L-shaped supports 21 are fixed on the first upright post 12 and the second upright post 13 through the adjustable third fixing knobs 23, then the dial indicator is placed on the threaded sleeve 24, the dial indicator is fixed through the threaded sleeve 24 through bolts, so that the dial indicator is installed on the supports on two sides of the fixing ring 11, and then the rebound modulus test detection of soil is carried out.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the improved concept thereof, can be equivalently replaced or changed within the scope of the present utility model.