CN220270978U - Reinforcing steel bar strength detection device - Google Patents

Abstract

The utility model relates to the technical field of test equipment, in particular to a steel bar strength detection device, which is characterized in that a frame is divided into a frame and a movable frame, the frame is rotatably arranged on a base, the movable frame is vertically and slidably arranged on the frame, a screw rod is rotatably arranged on the frame, the lower end of the screw rod is in threaded connection with the movable frame, a knob is arranged at the upper end of the screw rod, a pointer is arranged at the side of the knob, a dial is arranged at the upper end of the frame, the knob is screwed, the pointer is clockwise deflected to point different values, meanwhile, the knob drives the screw rod to rotate, the screw rod drives the movable frame to lift, and then drives a punctuation drill to lift, so that the distance between the bottom end of the punctuation drill and a bracket is regulated, the device is suitable for sample materials with different diameters, and the applicability of the device is improved.

Description

Reinforcing steel bar strength detection device

Technical Field

The utility model relates to the technical field of test equipment, in particular to a steel bar strength detection device.

Background

The reinforced bar is a main girder of urban building, which makes reinforced concrete become stereo, and increases urban wind collection and makes people living in the building feel happy and comfortable. The quality of the steel bar is one of the important factors determining whether the building is firm or stable.

The quality detection of the steel bar mainly comprises three parts of mechanical property, technological property and mechanical property, wherein the mechanical property of the steel bar refers to the rules of reaction and change when the steel bar is subjected to force, the rules comprise the yield strength, the tensile strength, the elongation rate and the like of the steel bar, and the mechanical property detection of the steel bar mainly adopts a non-breakage detection method: samples are randomly selected, sampling materials are cut at two ends of the samples, and then the samples are placed on a dotter for picking and chiseling in-situ marks (the dotter is also called a continuous dotter and a distance gauge and is used for marking point marks of round steel, flat steel, steel pipes, section steel and other nonferrous metal materials for tensile test samples) for the tensile test samples.

The hand-operated punctuation machine mainly comprises a base and a frame, wherein a plurality of punctuation drills are arranged on the frame, sample materials are placed on a bracket during detection, a drill bit of each punctuation drill is propped against the surface of the sample materials, and the punctuation drill is driven to ascend and then suddenly descend so as to knock the surface of the sample materials to form chiseling points.

The hand punctuation machine has the following problems when in use:

1. the punctuation drill can wear after long-time knocking the punctuation chisel, and the whole disassembly is more troublesome when changing, and the whole scrapping after the drill bit wear is more extravagant.

2. The diameters of the reinforcing steel bars are different, the heights of the brackets and the positions of the spot drills are certain, so that the strength of the spot drills when the spot drills strike samples with different diameters is different, and the marks at the spot drills can be unobvious for thinner samples, so that the subsequent use is influenced.

3. When the hand-operated punctuation machine is used, an operator is required to shake a driving shaft for driving the punctuation drill to ascend by one hand, and the frame is compacted by the other hand, so that the hand-operated punctuation machine is more troublesome, and if the operator presses unstably, the frame floats, so that the knocking effect can be influenced.

Therefore, the utility model provides a steel bar strength detection device for solving the problems.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a steel bar strength detection device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a reinforcing bar intensity detection device, includes the base and articulates the frame in base one side, is equipped with the bracket of placing the reinforcing bar on the base, its characterized in that, the frame includes two frames and removes the frame, and two frames are articulated with both ends about the base respectively, removes the vertical sliding fit in frame both sides and two opposite sides of frame, rotates on the frame and installs the lead screw, and the lead screw is with removing frame screw thread fit, and the interval is equipped with multiunit mark assembly about on the removal frame, is equipped with on the removal frame with multiunit mark assembly complex driving piece.

Preferably, two side feet are arranged at the bottom ends of the front sides of the frames, and a stop block matched with the side feet is rotatably arranged on the base.

Preferably, the screw rod is rotatably arranged on the base, two groups of threads with opposite screwing directions are symmetrically arranged on the screw rod, each section of thread is provided with a bracket in a threaded manner, and the two brackets are in sliding fit with the base left and right.

Preferably, rib plates corresponding to the frames one by one are arranged on the rear side of the base.

Preferably, the front sides of the two frames are fixedly connected with a handrail together.

Preferably, each marking assembly comprises a punctuation drill vertically sliding matched with the movable frame, a spring is arranged between each punctuation drill and the top wall of the movable frame, a deflector rod is fixed on the side wall of each punctuation drill, the driving piece comprises a driving shaft rotatably arranged on the movable frame and positioned at the rear side of the marking drill, a spiral plate is fixed on the side wall of the driving shaft and matched with a plurality of deflector rods, and the marking drills are enabled to sequentially lift and chisel points.

Preferably, the front side of the movable frame is provided with vertical sliding grooves corresponding to the shifting rods one by one, and the front ends of the shifting rods are vertically matched with the sliding grooves in a sliding mode.

Preferably, the rear end of each deflector rod is rotatably provided with a roller, and the diameter of the roller is equal to the thickness of the deflector rod.

Preferably, each marking drill comprises a marking rod and a marking head, the deflector rod and the spring are arranged on the marking rod, and the marking heads are in threaded connection with the marking rod.

Preferably, the upper end of the screw rod is fixedly provided with a knob, the side of the knob is provided with a pointer, and the upper end of the frame is provided with a dial matched with the pointer.

Compared with the prior art, the utility model provides a steel bar strength detection device, which has the following beneficial effects.

1. According to the utility model, the frame is divided into the frame and the movable frame, the frame is rotatably arranged on the base, the movable frame is vertically and slidably arranged on the frame, the screw rod is rotatably arranged on the frame, the lower end of the screw rod is in threaded connection with the movable frame, the upper end of the screw rod is provided with the knob, the side of the knob is provided with the pointer, the upper end of the frame is provided with the dial, the knob is screwed, the pointer deflects clockwise to point different values, meanwhile, the knob drives the screw rod to rotate, the screw rod drives the movable frame to lift, and then drives the punctuation drill to lift, so that the distance between the bottom end of the punctuation drill and the bracket is regulated, the device is suitable for sample materials with different diameters, and the applicability of the device is improved.

2. According to the utility model, the side legs are arranged at the bottom end of the front side of the frame, the baffle rod is arranged on the base, and when the frame is folded, the baffle rod is propped against the side legs, so that the frame is braked, thus, the frame is not required to be pressed by hands in the marking process, the frame is stably folded, the marking point drill is tightly propped against the surface of the sample material, the pressing coverage is more firm, and the operation burden is reduced for an operator.

3. According to the utility model, the punctuation drill is divided into the punctuation rod and the punctuation head, and the punctuation rod and the punctuation head are in threaded connection, so that when the punctuation head is damaged, the punctuation head is only required to be unscrewed and replaced with a new one, the whole is not required to be disassembled, the maintenance and the replacement are more convenient and quick, the whole part is not required to be scrapped, and the production cost is saved.

4. The rib plates are arranged on the rear side of the base and are matched with the rear side walls of the frame, so that the rear side walls of the frame are propped against the rib plates when the frame is lifted, the phenomenon that the frame is released from hands to enable the edge to collide with a base surface when the frame is lifted is avoided, and an auxiliary support is provided for the frame, so that an operator pulls back the frame with smaller force when the frame leans against the rib plates, and labor is saved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows; and will be apparent to those skilled in the art in part based upon a review of the following; alternatively, the teachings may be directed to practice of the present utility model.

Drawings

Fig. 1 is a schematic front view of the present utility model.

Figure 2 is a left side isometric view of the present utility model.

Figure 3 is a right side isometric view of the present utility model.

Fig. 4 is a partial schematic view of the utility model at B in fig. 3.

Fig. 5 is a schematic view of the frame of the present utility model.

Fig. 6 is a schematic diagram of the frame of the present utility model in left view with the frame closed (left) and opened (right).

Fig. 7 is a schematic view of the assembly of the base of the present utility model.

Fig. 8 is a schematic cross-sectional view of a punctuation drill on a frame of the present utility model.

Fig. 9 is a schematic diagram of a cross-sectional (left), a solid (middle) and a shift lever (right) of the punctuation drill of the present utility model.

Fig. 10 is a schematic view of a spiral plate of the present utility model.

Fig. 11 is a partial schematic view of fig. 2 at a in accordance with the present utility model.

Fig. 12 is a partial schematic view of fig. 8 at C in accordance with the present utility model.

In the figure: 1. a base; 2. a screw rod; 3. a bracket; 4. a frame; 5. a moving frame; 6. a screw rod; 7. a knob; 8. a dial; 9. marking point drills; 10. a deflector rod; 11. a roller; 12. a spiral plate; 13. a stop block; 14. rib plates; 15. a fixed cylinder; 16. and (5) pressing the rod.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 12 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments.

In order to solve the problems in the prior art, the embodiment 1 provides a steel bar strength detection device, which comprises a base 1, wherein a screw rod 2 in the left-right direction is rotatably arranged on the base 1, two groups of threads with opposite rotation directions are symmetrically arranged on the screw rod 2, a bracket 3 is arranged on each section of threads, and the two brackets 3 are in left-right sliding fit with the base 1, so that the two brackets 3 can move relatively or reversely, the device is suitable for detecting sample materials with different lengths, and the bracket 3 is provided with an inverted triangle-shaped placing groove, so that the sample materials can be positioned and placed conveniently;

the two end rear sides of the base 1 are hinged with frames 4, the two frames 4 are fixedly connected, the two frames 4 are vertically and slidably installed with a movable frame 5 at the opposite ends, a screw rod 6 is rotatably installed on the frames 4, the screw rod 6 is in threaded fit with the movable frame 5, a knob 7 is fixedly arranged at the upper end of the screw rod 6, a pointer is arranged at the side of the knob 7, a dial 8 matched with the pointer is arranged at the upper end of the frames 4, a plurality of sliding grooves are formed at the left and right intervals at the front end of the movable frame 5, a deflector rod 10 is vertically and slidably installed in each sliding groove, the positions of the deflector rods 10 and the sliding grooves are positioned at the front end of the deflector rods 10, a punctuation drill 9 is fixedly arranged in the middle of each deflector rod 10, a spring is arranged between the punctuation drill 9 and the inner top wall of the movable frame 5, round holes corresponding to the punctuation drill 9 are formed in one by one, the upper ends of the punctuation drill 9 are inserted into the round holes, a driving shaft is rotatably installed at the rear side of the movable frame 5, a spiral plate 12 is fixedly arranged on the side wall of the driving shaft, the spiral plate 12 is matched with a plurality of deflector rods 10, the deflector rods 10 are all positioned within the length range of the spiral plate 12, and the spiral drill plates 12 are positioned within the length range of the spiral drill plates 12, and the spiral drill points 12 are 0.5 are sequentially lifted and lowered;

the front bottom ends of the two frames 4 are provided with side feet, and the base 1 is rotatably provided with a stop block 13 matched with the side feet.

In the embodiment, the screw rod 2 and the driving shaft are driven by a driving mechanism, the driving mechanism can be a motor, and the motor is electrically connected with a controller and an external power supply and used for controlling the motor to be started and stopped; can be a rocking handle, and rocking handles are arranged at the end parts of the screw rod 6 and the driving shaft and are driven manually.

In the embodiment, the rib plates 14 which are in one-to-one correspondence with the frames 4 are arranged on the rear side of the base 1, so that the rear side wall of the frame is propped against the rib plates 14 when the frame is lifted, namely, the phenomenon that the frame is released from hands when the frame is lifted to enable the edge to collide with a base surface is avoided, and an auxiliary support is provided for the frame, so that when the frame leans against the rib plates 14, an operator pulls back the frame with smaller force, and labor is saved;

the shape of the rib plate 14 is shown in the figure 6, the side edge of the upper end of the rib plate 14 points to the rotation axis of the frame 4, so that when the frame 4 deflects sideways, the rear side wall of the frame 4 can be attached to the side edge of the upper end of the rib plate 14, the supporting area is increased, meanwhile, the included angle between the side edge of the upper end of the rib plate 14 and the vertical surface is more than or equal to 60 degrees, the included angle is too small, the frame is easy to reset automatically under the influence of dead weight, an operator for placing a sample material is likely to be hit, the lifted frame is more stable, and the safety of the device is improved;

the magnet is embedded into the side edge of the upper end of the rib plate 14, and the metal iron sheet is arranged on the rear side of the frame 4, when the frame 4 leans against the rib plate 14, the magnet adsorbs the iron sheet, so that the leaning of the frame is firmer.

In this embodiment, the front sides of the two rims 4 are fixedly connected with handles for lifting or pulling back the frame.

In this embodiment, the rear end of each driving lever 10 is rotatably provided with a roller 11, so as to avoid scribing when the rear end of the driving lever 10 is separated from the spiral plate 12, and the diameter of the roller 11 is equal to the thickness of the driving lever 10, so that the spiral plate 12 and the driving lever 10 can be always in stable contact.

In this embodiment, fixed cylinders 15 are fixed at the bottom ends of the left and right sides of the moving frame 5 and right above the axis of the bracket 3, a compression rod 16 is axially slidably mounted at the lower end of each fixed cylinder 15, and a top spring is arranged between the compression rod 16 and the fixed cylinders 15.

The implementation process of the embodiment is as follows:

when the rotary drilling machine is used, the frame 4 is lifted to lean against the rib plate 14, the screw rod 2 is rotated, the distance between the two brackets 3 is adjusted to adapt to the length of a sample material, the frame is pulled back, after the frame is recovered, the punctuation drill 9 is propped against the surface of the non-longitudinal rib of the sample material, the holding handle is held by one hand to be pressed down, the front side of the bottom end of the frame 4 is attached to the surface of the base 1, the other hand is pulled to rotate the stop block 13, the stop plate is propped against the surface of the side leg to release the holding handle, at the moment, the frame 4 is propped against the stop block 13 to be braked, the punctuation drill 9 is jacked up, the spring is compressed again, the driving shaft is pulled to rotate, the spiral plate 12 rotates along with the rotation, the spiral plate 12 is propped against the deflector rod 10 to drive the punctuation drill 9 to be compressed continuously, after the deflector rod 10 is separated from the spiral plate 12, the punctuation drill 9 is suddenly lowered down under the action of the spring, the driving shaft rotates for a plurality of circles, and the punctuation drill 9 is knocked on the same position a plurality of times, and thus the punctuation drill 9 is formed.

When the frame is folded, the compression bars 16 are propped against the two ends of the sample, and the plurality of punctuation drills 9 are sequentially driven under the action of the spiral plate 12, but not all the punctuation drills are simultaneously driven, so that the sample is braked under the action of the plurality of punctuation drills 9 and the two compression bars 16, and the point drilling failure caused by the deviation of the sample in the knocking process is avoided.

For samples with different thicknesses, in an initial state, the movable frame 5 is located at the highest stroke position of the frame 4, at the moment, the distance between the bottom end of the punctuation drill 9 and the bracket 3 is the largest, at the moment, the pointer points to the largest numerical value position on the dial 8, the numerical value on the dial 8 gradually becomes smaller along the clockwise direction, the knob 7 is screwed clockwise, the pointer deflects clockwise to point to small numerical values, meanwhile, the knob 7 drives the screw rod 6 to rotate clockwise, the screw rod 6 drives the movable frame 5 to descend, and then drives the punctuation drill 9 to descend, so that the distance between the bottom end of the punctuation drill 9 and the bracket 3 becomes smaller, and the punctuation drill is suitable for samples with different diameters.

In this embodiment, all be equipped with lead screw 6 on two frames 4, two lead screw 6 upper ends are connected through belt drive, the setting of belt in the belt drive does not lead to the fact the interference to the lift that punctuation bored 9, only demonstrate a simplest belt drive in the drawing, the belt is located punctuation and bores 9 top this moment, but belt both sides interval is greater than the diameter that punctuation bored 9, when punctuation bored 9 goes up and down, can stretch out from the belt upper and lower limit, can not lead to the influence to punctuation and bore 9, two lead screws 6 all with remove 5 threaded connection of frame, set up the purpose of two lead screws 6 and be: when the punctuation, remove frame 5 receives the reaction force from punctuation and bore 9, only set up lead screw 6 in one side, the effort that removes frame 5 received full effect and the screw thread on lead screw 6, lead screw 6's pressure loss easily causes, set up two lead screws 6, shared the effort that removes frame 5 received promptly, also let simultaneously remove the braking force that both ends all contain the screw thread, let and remove frame 5 installation more firm.

In embodiment 2, the punctuation drill 9 is worn and replaced after a long time, at this time, the punctuation drill 9 and corresponding parts on the punctuation drill 9 are required to be detached, and after the new punctuation drill 9 is replaced, the punctuation drill 9 is assembled again, which is not only troublesome, but also the punctuation drill 9 can be used except for other parts of the drill bit, and the whole replacement is wasted, so in the embodiment, the punctuation drill 9 is divided into a punctuation rod and a punctuation head, the deflector rod 10 and the spring are all arranged on the punctuation rod, the bottom end of the punctuation rod is provided with a threaded hole, the upper end of the punctuation head is connected with the threaded hole in a threaded way, after the marking head is damaged, the marking head is screwed off and replaced, and the method is convenient and quick, and the cost is saved.

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 inventive concept thereof, can be replaced or changed within the scope of the present utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The utility model provides a reinforcing bar intensity detection device, includes base (1) and articulates frame in base (1) one side, is equipped with bracket (3) of placing the reinforcing bar on base (1), a serial communication port, the frame includes two frames (4) and removes frame (5), both ends are articulated about two frames (4) and base (1) respectively, remove frame (5) both sides and two relative one side vertical sliding fit of frame (4), rotate on frame (4) and install lead screw (6), lead screw (6) and remove frame (5) screw-thread fit, the interval is equipped with multiunit mark subassembly about on removing frame (5), be equipped with on removing frame (5) with multiunit mark subassembly complex driving piece.

2. The steel bar strength detection device according to claim 1, wherein the front bottom ends of the two frames (4) are respectively provided with a side leg, and a stop block (13) matched with the side legs is rotatably arranged on the base (1).

3. The steel bar strength detection device according to claim 1, wherein a screw rod (2) is rotatably installed on the base (1), two groups of threads with opposite rotation directions are symmetrically arranged on the screw rod (2), a bracket (3) is installed on each section of thread, and the two brackets (3) are in left-right sliding fit with the base (1).

4. The steel bar strength detection device according to claim 1, wherein rib plates (14) which are in one-to-one correspondence with the frames (4) are arranged on the rear side of the base (1).

5. The steel bar strength detection device according to claim 1, wherein the front sides of the two frames (4) are fixedly connected with a handrail.

6. The steel bar strength detection device according to claim 1, wherein each marking assembly comprises a punctuation drill (9) vertically in sliding fit with the movable frame (5), springs are arranged between each punctuation drill (9) and the top wall of the movable frame (5), a deflector rod (10) is fixed on the side wall of each punctuation drill (9), the driving piece comprises a driving shaft rotatably mounted on the movable frame (5) and located on the rear side of the punctuation drill (9), a spiral plate (12) is fixed on the side wall of the driving shaft, and the spiral plate (12) is matched with the deflector rods (10) so that the punctuation drills (9) can sequentially lift and chisel points.

7. The steel bar strength detection device according to claim 6, wherein vertical sliding grooves corresponding to the deflector rods (10) one by one are formed in the front side of the movable frame (5), and the front ends of the deflector rods (10) are vertically matched with the sliding grooves in a sliding mode.

8. The steel bar strength detecting device according to claim 7, wherein a roller (11) is rotatably installed at the rear end of each deflector rod (10), and the diameter of the roller (11) is equal to the thickness of the deflector rod (10).

9. The steel bar strength detection device according to claim 6, wherein each punctuation drill (9) comprises a punctuation rod and a punctuation head, the deflector rod (10) and the spring are arranged on the punctuation rod, and the punctuation head is in threaded connection with the punctuation rod.

10. The steel bar strength detection device according to claim 1, wherein a knob (7) is fixed at the upper end of the screw rod (6), a pointer is arranged on the side of the knob (7), and a dial (8) matched with the pointer is arranged at the upper end of the frame (4).