SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a conveniently fixed and high-precision prestressed steel material detection extensometer, and aims to solve the problem that the conventional conveniently fixed and high-precision prestressed steel material detection extensometer is not convenient to fix in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a conveniently fixed prestressed steel detection extensometer with high precision comprises an extensometer body, a first pneumatic telescopic rod and a positive and negative motor, wherein a controller is installed on the outer wall of one side of the extensometer body, and leveling mechanisms are installed on two sides of the bottom end of the extensometer body;
a base is connected below the leveling mechanism, a level meter is installed in the middle of the outer wall of the extensometer body, a fixed seat is installed at the top end of the extensometer body, and a locking mechanism is installed on the outer wall of one side of the fixed seat;
first pneumatic telescopic link is all installed to the both sides outer wall of extensometer body, pressure sensor is all installed to one side of first pneumatic telescopic link, fixed knot constructs is installed to the inboard of fixing base.
Preferably, leveling mechanism includes stand, adjust knob, screw thread post and screw hole, column mouting is in the both sides of extensometer body bottom, adjust knob is installed to the below of stand, and adjust knob's intermediate position department is provided with the screw hole, the screw thread post is installed to the inboard of screw hole.
Preferably, the top of adjust knob is provided with the spacing groove, the bottom of stand passes through the stopper and is connected with the spacing groove.
Preferably, the fixed knot constructs including the rack, the rack is installed in the inboard of fixing base, positive and negative motor is installed to the below of fixing base one side outer wall, and positive and negative motor's output has the gear through the drive shaft connection.
Preferably, an upper clamping block is connected below the rack, and lifting rods are connected to two sides of the top end of the upper clamping block.
Preferably, a lower clamping block is installed below the upper clamping block, and a steel body is installed on the inner side of the lower clamping block.
Preferably, locking mechanism includes mounting box, the pneumatic telescopic link of second and locking lever, the mounting box is installed in one side outer wall of fixing base, the pneumatic telescopic link of second is installed on the top of mounting box, and the below of the pneumatic telescopic link of second is connected with the locking lever.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the utility model provides a positive and negative motor, a gear, a rack and a steel body, wherein the gear is rotated by using the work of the positive and negative motor, and the gear is meshed with a tooth block of the rack so as to enable the rack to move downwards in a fixed seat, thereby driving an upper clamping block to move downwards and clamping the steel body, so that the steel body is convenient to install and fix, and the problem of inconvenience in fixing is solved;
(2) the utility model provides a second pneumatic telescopic rod, a gear and a lock rod, wherein after the position of an upper clamping block is fixed, the lock rod moves downwards through the work of the second pneumatic telescopic rod, the lock rod is inserted between gear blocks of the gear to be locked, the locking of the gear is realized, the position of the upper clamping block is fixed, and the problem of unstable use is solved;
(3) the utility model provides a level, a threaded hole, a threaded column and an upright column, wherein the observation level is used for observing whether a device is in a horizontal state or not, and when the device is not in the horizontal state, the threaded hole is matched with the thread of the outer wall of the threaded column by rotating an adjusting knob on one side, so that the threaded column moves upwards or downwards in the upright column, the whole length of the upright column is adjusted until a bubble in the middle of the level is in the middle position, the detection accuracy is ensured, and the problem of poor accuracy is solved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-5, a conveniently fixed and high-precision prestressed steel detection extensometer comprises an extensometer body 6, a first pneumatic telescopic rod 13 and a positive and negative motor 15, wherein a controller 11 is installed on the outer wall of one side of the extensometer body 6, the model of the controller 11 can be DMX512, and leveling mechanisms 3 are installed on two sides of the bottom end of the extensometer body 6;
a base 1 is connected below the leveling mechanism 3, a level 2 is installed at the middle position of the outer wall of the extensometer body 6, a fixed seat 8 is installed at the top end of the extensometer body 6, and a locking mechanism 16 is installed on the outer wall of one side of the fixed seat 8;
the outer walls of two sides of the extensometer body 6 are respectively provided with a first pneumatic telescopic rod 13, the type of the first pneumatic telescopic rod 13 can be HD20180111, one side of the first pneumatic telescopic rod 13 is respectively provided with a pressure sensor 4, the type of the pressure sensor 4 can be MPX10, and the inner side of the fixed seat 8 is provided with a fixed structure;
referring to fig. 1-5, the prestressed steel material detection extensometer convenient to fix and high in precision further comprises a fixing structure, wherein the fixing structure comprises a rack 7, the rack 7 is installed on the inner side of a fixing seat 8, a positive and negative motor 15 is installed below the outer wall of one side of the fixing seat 8, the model of the positive and negative motor 15 can be B03020053, and the output end of the positive and negative motor 15 is connected with a gear 9 through a driving shaft;
an upper clamping block 12 is connected below the rack 7, and two sides of the top end of the upper clamping block 12 are connected with lifting rods 10;
a lower clamping block 14 is arranged below the upper clamping block 12, and a steel body 5 is arranged on the inner side of the lower clamping block 14;
specifically, as shown in fig. 1, 2 and 3, when the structure is used, the gear 9 is rotated by the operation of the positive and negative motors 15, the gear 9 is meshed with the tooth block of the rack 7, so that the rack 7 moves downwards in the fixing seat 8, and the upper clamping block 12 is driven to move downwards to clamp the steel body 5, thereby facilitating the installation and fixation of the steel body 5.
Example 2: the leveling mechanism 3 comprises a vertical column 301, an adjusting knob 302, a threaded column 303 and threaded holes 304, wherein the vertical column 301 is installed at two sides of the bottom end of the extensometer body 6, the adjusting knob 302 is installed below the vertical column 301, the threaded holes 304 are formed in the middle position of the adjusting knob 302, and the threaded column 303 is installed on the inner side of the threaded holes 304;
the top end of the adjusting knob 302 is provided with a limiting groove, and the bottom end of the upright column 301 is connected with the limiting groove through a limiting block;
specifically, as shown in fig. 1 and 5, when the structure is used, whether the device is in a horizontal state is observed by observing the level 2, and when the device is not in the horizontal state, the threaded hole 304 is matched with the thread on the outer wall of the threaded column 303 by rotating the adjusting knob 302 on one side, so that the threaded column 303 moves upwards or downwards in the upright column 301, the whole length of the upright column 301 is adjusted until the bubble in the middle of the level 2 is in the middle position, and the detection accuracy is ensured.
Example 3: the locking mechanism 16 comprises a mounting box 1601, a second pneumatic telescopic rod 1602 and a lock rod 1603, the mounting box 1601 is mounted on the outer wall of one side of the fixed seat 8, the second pneumatic telescopic rod 1602 is mounted at the top end of the mounting box 1601, the second pneumatic telescopic rod 1602 can be YQL890 in type, and the lock rod 1603 is connected below the second pneumatic telescopic rod 1602;
specifically, as shown in fig. 1 and 4, when this structure is used, after the position of the upper clamping block 12 is fixed, the second pneumatic telescopic rod 1602 is operated to move the lock rod 1603 downward, and the lock rod 1603 is inserted between the tooth blocks of the gear 9 to be locked, so that the gear 9 is locked, the position of the upper clamping block 12 is fixed, and the use is stable.
The output end of the controller 11 is electrically connected to the input ends of the first pneumatic telescopic rod 13, the positive and negative motor 15 and the second pneumatic telescopic rod 1602 through wires, and is electrically connected to the input end of the pressure sensor 4.
The working principle is as follows: when the device is used, firstly, the steel body 5 is placed in the lower clamping block 14 for fixing, the upper clamping block 12 descends to fix the upper part of the steel body 5, the pressure sensor 4 is close to the steel body 5 through the work of the first pneumatic telescopic rod 13, and the prestress of the steel body 5 is detected through the pressure sensor 4;
the first innovation point implementation step:
the first step is as follows: whether the device is in a horizontal state or not is observed by observing the level 2, and when the device is not in the horizontal state, the adjusting knob 302 on one side is rotated;
the second step is that: through the screw-thread fit of screw hole 304 and screw thread post 303 outer wall, make screw thread post 303 upwards or move down in stand 301, adjust stand 301's whole length, bubble until 2 middle levels is in the intermediate position, guarantee the precision that detects.
The implementation step of the second innovation point:
make gear 9 rotate through the work of positive and negative motor 15, gear 9 and the tooth piece meshing of rack 7 make rack 7 move down in fixing base 8 to clamp splice 12 downstream in the drive presss from both sides tightly steel body 5.
The third innovation point implementation step:
after the position of the upper clamping block 12 is fixed, the second pneumatic telescopic rod 1602 operates to move the lock rod 1603 downward, so that the lock rod 1603 is inserted between the tooth blocks of the gear 9 to be locked, the gear 9 is locked, and the position of the upper clamping block 12 is fixed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.