CN215314799U - Original gauge length making devices of reinforcing bar maximum force total elongation - Google Patents
Original gauge length making devices of reinforcing bar maximum force total elongation Download PDFInfo
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- CN215314799U CN215314799U CN202120860877.3U CN202120860877U CN215314799U CN 215314799 U CN215314799 U CN 215314799U CN 202120860877 U CN202120860877 U CN 202120860877U CN 215314799 U CN215314799 U CN 215314799U
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- bottom plate
- total elongation
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Abstract
The utility model relates to a device for manufacturing an original gauge length of the maximum total elongation of a steel bar, which comprises a bottom plate, wherein a groove for placing the steel bar is concavely arranged on the bottom plate, a rotating frame which can be clamped and matched with the bottom plate is rotatably arranged on one side of the bottom plate, slide ways are respectively arranged on the two sides of the rotating frame along the transverse direction, slide blocks are respectively arranged in the two slide ways in a sliding mode, a sliding roller is rotatably arranged between the two slide blocks, at least two distance-adjustable shaft sleeves are connected onto the sliding roller through first positioning screws, a downward-inclined scribing cutter is hinged to one side of the sliding roller on each shaft sleeve, and an upward-inclined pressing rod is fixed to the shaft sleeves on the same side of the scribing cutter. The utility model is suitable for gauge length manufacture of various types of steel, and the gauge length manufacture of the sample is formed in one step, thereby greatly improving the working efficiency and reducing the labor intensity of testing personnel.
Description
Technical Field
The utility model relates to the technical field of analysis and measurement test facilities, in particular to a device for manufacturing an original gauge length of the maximum total elongation of a steel bar.
Background
The elongation as a ductility index of the steel bar is expressed by fracture elongation for a long time, but the elongation is only the residual elongation of a local area and is difficult to represent the real deformation capacity of the steel bar. The total elongation (uniform elongation) of the steel bar at maximum force is a true representation of the deformability of the steel bar.
In a 5.3 maximum force total elongation test method 'manual method' in 'steel test method for reinforced concrete' GB/T28900-2012, a method of manually marking a line by using a hacksaw is generally used under the condition of no gauge length manufacturing device, and the method has the advantages of high operation difficulty, incapability of ensuring precision and extremely low working efficiency. The existing laboratory adopts an intensive dotting device to manufacture the gauge length, the device can only manufacture one sample at a time, the efficiency is not high, and the dotting is intensive, so that a tester selects the required gauge length in the intensive gauge length by naked eyes, and misoperation is easily caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the original gauge length manufacturing device for the maximum force total elongation of the steel bar, which can realize one-step forming of single multi-sample gauge length manufacturing and has the advantages of simple gauge length, clearness, intuition, simple operation, improvement of working efficiency and the like.
The utility model is realized by the following technical scheme:
the utility model provides an original gauge length making devices of reinforcing bar maximum force total elongation, comprising a base plate, the concave recess that is used for placing the reinforcing bar that is equipped with on the bottom plate, one side of bottom plate rotate install can with bottom plate centre gripping complex rotating turret, the slide has been seted up respectively along transversely to the both sides of rotating turret, it is provided with the slider to slide respectively in two slides, it installs the slip roller bearing to rotate between two sliders, there are the axle sleeve of two at least adjustable intervals through first set screw connection on the slip roller bearing, it has the marking knife of downward sloping to articulate in one side of slip roller bearing on the axle sleeve, the axle sleeve is fixed with the depression bar of leaned on at the homonymy of marking knife.
This scheme is through the cooperation between rotating turret and the bottom plate carry out the centre gripping to the reinforcing bar, utilizes two adjustable interval's axle sleeves on the rotating turret to adjust and latched position the interval between the ruling sword, utilizes the slider to slide in the slide, can realize that single many samples gauge length preparation one shot forming, has that the gauge length is succinct, clear directly perceived, advantages such as easy operation and promotion work efficiency.
Preferably, a buffer spring is connected between the scribing cutter and the pressure rod.
Through setting up buffer spring, can play the cushioning effect when the marking off sword is rule, prevent that blade and reinforcing bar hard contact from causing the blade to damage or break, effectively protect the marking off sword.
Furthermore, the upper part of one side of the rotating frame rotatably installed on the bottom plate is movably connected with a fixed rod capable of adjusting the distance with the bottom plate through a vertical bolt, an adjusting nut and a conical spring, two ends of the fixed rod are respectively provided with a fixed shaft, and the rotating frame is rotatably connected with the fixed rod through the fixed shaft.
The rotating frame and the fixed rod are rotatably connected through the fixed shaft to form a whole, the fixed rod is matched with the adjusting nut, the vertical bolt and the conical spring to adjust the distance between the rotating frame and the bottom plate, and therefore the rotating frame and the fixed rod can be conveniently adapted to steel bars of different models to perform marking.
Furthermore, an acute included angle is formed between the straight line where the scribing cutter is located and the straight line where the pressing rod is located.
The acute included angle between the straight line where the scribing cutter is located and the straight line where the pressing rod is located is beneficial to adjusting the scribing cutter through pressing the pressing rod downwards, and the scribing cutter can be conveniently contacted with a steel bar sample to scribe.
Furthermore, the end part of each pressure lever is sleeved on the same push rod through a sliding sleeve in a sliding manner.
After the sliding sleeves are connected in series through the same push rod, the sliding sleeves can form a whole, and the push rod can be directly operated to control the sliding sleeves to drive the pressing rod and the shaft sleeve to rotate during scribing, so that the pressing of the scribing cutter can be realized for scribing.
Furthermore, each sliding sleeve is provided with a threaded hole, and the threaded holes are internally threaded with second positioning screws for positioning the sliding sleeve at the push rod.
The sliding sleeve is provided with the threaded hole, and the sliding sleeve can be positioned through the second positioning screw, so that the accuracy of the position of the connected shaft sleeve on the sliding rolling shaft is ensured, and the scribing accuracy is improved.
Preferably, the free end of the turret is fitted with a handle.
The free end of the rotating frame is provided with the handle, the rotating frame is conveniently operated to be pressed down or lifted up through the handle, and the rotating frame is used for being matched with the bottom plate to clamp or loosen the reinforcing steel bar, so that the operation is convenient.
The utility model has the beneficial effects that:
the rotating frame and the bottom plate are matched to clamp the steel bar, the distance between the scribing cutters is adjusted by the aid of the two distance-adjustable shaft sleeves on the rotating frame and locked, the sliding blocks slide in the slide ways, one-step forming of single multi-sample gauge length manufacturing can be achieved, and the automatic steel bar scribing machine has the advantages of being concise in gauge length, clear, visual, simple to operate, capable of improving working efficiency and the like.
The upper portion of the bottom plate is matched with the conical spring through the adjusting nut, the vertical bolt and the conical spring, so that the distance between the rotating frame and the bottom plate can be adjusted, the marking of different types of steel bars between the rotating frame and the bottom plate can be realized, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a connecting structure of a sliding roller, a scribing cutter and a pressing bar according to the present invention;
fig. 4 is a schematic view of the working state of the present invention.
Shown in the figure:
1. the novel ruler comprises a base plate, 2, a groove, 3, a rotating frame, 4, a slide way, 5, a slide block, 6, a sliding roller, 7, a marking knife, 8, a pressure rod, 9, a buffer spring, 10, a push rod, 11, a vertical bolt, 12, a conical spring, 13, a fixed shaft, 14, an adjusting nut, 15, a handle, 16, a fixed rod, 17 and a shaft sleeve. 18. The device comprises a first positioning screw 19, a sliding sleeve 20, a second positioning screw 21 and a steel bar sample.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The utility model provides an original scale distance making devices of reinforcing bar maximum power total elongation, includes bottom plate 1, and 1 upper concave recesses that are used for placing the reinforcing bar 2 that are equipped with of bottom plate, one side of bottom plate 1 rotate install can with 1 centre gripping complex rotating turret 3 of bottom plate, handle 15 is installed to the free end of rotating turret 3, is convenient for rotate the centre gripping.
The two sides of the rotating frame 3 are respectively provided with a slide way 4 along the transverse direction, as shown in fig. 1, the transverse direction refers to the width direction of the section of the slide groove 4, the slide blocks 5 are respectively arranged in the two slide ways 4 in a sliding manner, a sliding roller 6 is rotatably arranged between the two slide blocks 5, the sliding roller 6 is connected with at least two distance-adjustable shaft sleeves 17 through first positioning screws 18, one side of the sliding roller 6 on each shaft sleeve 17 is hinged with a downward-inclined scribing cutter 7, the shaft sleeves 17 are fixed with upward-inclined pressure rods 8 on the same side of the scribing cutter 7, and the straight line where the scribing cutter 7 is located and the straight line where the pressure rods 8 are located form an acute included angle.
Wherein: in order to effectively protect the scribing cutter 7, a buffer spring 9 is connected between the scribing cutter 7 and the pressure rod 8. Articulated through the axle between one end of ruling cutter 7 and the axle sleeve 17 for ruling cutter 7 can rotate, when drawing a line to reinforcing bar sample 21, during ruling cutter 7 and reinforcing bar sample 21 contact, accessible buffer spring 9's effect makes ruling cutter 7 can one section distance of upward movement for prevent its and reinforcing bar sample 21 hard contact, lead to the blade impaired, when guaranteeing the function of drawing a line, can prolong the life of ruling cutter 7.
The end parts of the pressure levers 8 are sleeved on the same push rod 10 in a sliding way through sliding sleeves 19. Threaded holes are formed in each sliding sleeve 19, and second positioning screws 20 for positioning the sliding sleeves 19 at push rods are connected with the threaded holes in an internal thread mode.
As shown in fig. 2, in the present embodiment, a total of four sliding sleeves 19 are provided on the push rod 10, a total of four shaft sleeves 17 are provided on the corresponding sliding rollers 6, and each shaft sleeve 17 is connected with the scribing cutter 7 and the pressing rod 8. When the novel drawing machine is actually used, the number of the drawn lines can be selected according to use requirements, and two lines, three lines and four or more lines can be drawn at the same time.
The upper part of the bottom plate 1 on one side of the rotating frame 3 is rotatably installed on the bottom plate 1, a fixing rod 16 capable of adjusting the distance with the bottom plate 1 is movably connected with the upper part of the bottom plate through a vertical bolt 11, an adjusting nut 14 and a conical spring 12, two ends of the fixing rod 16 are respectively provided with a fixing shaft 13, and the rotating frame 3 is rotatably connected with the fixing rod 16 through the fixing shaft 13.
The working process of the utility model for marking the reinforcing steel bars comprises the following steps:
the distance between the rotating frame 3 and the bottom plate 1 is adjusted according to the type of the steel bar sample 21 with the mark, when the rotating frame 3 needs to be lifted, the position of the adjusting nut 14 on the vertical bolt 11 can be adjusted, and then the position can be adjusted by utilizing the elastic force of the conical spring 12.
Placing a steel bar sample 21 to be scribed in a groove 2 of a bottom plate 1, pressing down a rotating frame 3 by using a handle 15, clamping the steel bar sample 21 between the groove 2 of the bottom plate 1 and the rotating frame 3, determining a distance to be scribed according to the specification and model of the steel bar sample 21, adjusting the position of a shaft sleeve 17 on a sliding roller 6 by using a first positioning screw 18 for locking the scribing distance, positioning the sliding sleeve 19 on the end part of a compression rod 8 connected with the shaft sleeve 17 and a push rod 10 by using a second positioning screw 20 in order to ensure the scribing stability, pressing down the handle 15 and simultaneously pressing down the push rod 10 to enable a scribing knife 7 to rotate at a certain angle and to be contacted with the sample, pushing the push rod 10 to enable the slide block 5 to move along the direction of a slideway, enabling the scribing knife 7 to scribe the steel bar sample 21 in the sliding process, forming a gauge length at one time, and meeting the requirement of a 5.3 maximum force total elongation test method in GB/T28900-2012 of concrete steel bar test method "is required.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides an original gauge length making devices of reinforcing bar maximum force total elongation which characterized in that: the steel bar positioning device comprises a base plate, a groove for placing steel bars is concavely arranged on the base plate, one side of the base plate is rotatably installed with a rotating frame which can be matched with a clamping of the base plate, two sides of the rotating frame are transversely and respectively provided with a slide block, slide rollers are respectively arranged in the two slides in a sliding mode, a sliding roller is rotatably installed between the two slide blocks, at least two shaft sleeves with adjustable intervals are connected onto the sliding roller through first positioning screws, a line drawing knife which is downwards inclined is hinged to one side of the sliding roller on each shaft sleeve, and an upwards inclined pressing rod is fixed to each shaft sleeve at the same side of the line drawing knife.
2. The apparatus for producing original gauge length of maximum force total elongation of steel bars according to claim 1, wherein: a buffer spring is connected between the marking knife and the pressure bar.
3. The apparatus for producing original gauge length of maximum force total elongation of steel bars according to claim 1, wherein: the upper portion of the rotating frame is rotatably mounted on the upper portion of one side of the bottom plate, a fixing rod capable of adjusting the distance between the fixing rod and the bottom plate is movably connected to the upper portion of the bottom plate through a vertical bolt, an adjusting nut and a conical spring, fixing shafts are arranged at two ends of the fixing rod respectively, and the rotating frame is rotatably connected with the fixing rod through the fixing shafts.
4. The apparatus for producing original gauge length of maximum force total elongation of steel bars according to claim 1, wherein: an acute included angle is formed between the straight line of the scribing cutter and the straight line of the pressure rod.
5. The apparatus for producing original gauge length of maximum force total elongation of steel bars according to claim 1, wherein: the end part of each pressure lever is sleeved on the same push rod through a sliding sleeve in a sliding way.
6. The apparatus for producing original gauge length of maximum force total elongation of steel bars according to claim 5, wherein: threaded holes are formed in each sliding sleeve, and second positioning screws for positioning the sliding sleeves at the push rods are connected with the inner threads of the threaded holes.
7. The apparatus for producing original gauge length of maximum force total elongation of steel bars according to claim 1, wherein: the free end of the rotating frame is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860877.3U CN215314799U (en) | 2021-04-25 | 2021-04-25 | Original gauge length making devices of reinforcing bar maximum force total elongation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860877.3U CN215314799U (en) | 2021-04-25 | 2021-04-25 | Original gauge length making devices of reinforcing bar maximum force total elongation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215314799U true CN215314799U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120860877.3U Active CN215314799U (en) | 2021-04-25 | 2021-04-25 | Original gauge length making devices of reinforcing bar maximum force total elongation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215314799U (en) |
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2021
- 2021-04-25 CN CN202120860877.3U patent/CN215314799U/en active Active
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