CN114354361A - Steel bar connection strength detection device - Google Patents
Steel bar connection strength detection device Download PDFInfo
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- CN114354361A CN114354361A CN202210255521.6A CN202210255521A CN114354361A CN 114354361 A CN114354361 A CN 114354361A CN 202210255521 A CN202210255521 A CN 202210255521A CN 114354361 A CN114354361 A CN 114354361A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention is suitable for the technical field of material detection, and provides a device for detecting the connection strength of steel bars, which comprises an installation main body, wherein a plurality of groups of clamping components for clamping the steel bars are arranged on the inner side of the installation main body; the clamping assembly comprises a plurality of groups of fixing parts arranged on the inner side of the mounting main body, each group of fixing parts comprises two mutually parallel fixing vertical plates, a gear is arranged between the two fixing vertical plates, the gear is rotationally connected with a fixing shaft, the fixing shaft is slidably connected with the two fixing vertical plates, a first rack and a second rack are arranged in the two fixing vertical plates, the gear is arranged between the first rack and the second rack, and the gear is movably meshed with the second rack; the gear is provided with a connecting rod which is obliquely arranged, one end of the connecting rod is movably clamped with the first rack, the middle part of the connecting rod is connected with the gear, and the other end of the connecting rod extends towards the reinforcing steel bar and is movably contacted with the outer surface of the reinforcing steel bar. The invention improves the detection efficiency of the steel bar, does not need to cut the steel bar during detection, saves materials and reduces the workload of workers.
Description
Technical Field
The invention relates to the technical field of material detection, in particular to a device for detecting the connection strength of a steel bar.
Background
The reinforcing steel bars are widely applied to the building industry, steel frames are manufactured by using the reinforcing steel bars, and the reinforcing steel bars and concrete form a main bearing structure in a building, so that the strength of the reinforcing steel bars plays a vital role. At present, reinforcing steel bars are generally transported to a construction site in a fixed length, and along with the gradual development of building construction technology, the length of a reinforcing steel bar framework required in the building construction process is longer and longer, so that multiple sections of reinforcing steel bars need to be butted, and in order to ensure that the two sections of reinforcing steel bars are reliably fixed, the two sections of reinforcing steel bars are generally connected in a welding mode. Therefore, the welding quality influences the connection strength of the steel bars, and in order to ensure the building quality, the strength detection needs to be carried out on the welding seams of the two sections of steel bars; at present, a certain length is generally cut at a welding position, and the reinforcing steel bars are placed on a stretching machine for detection. This mode is extravagant material relatively, needs the staff to carry out the butt welding to the reinforcing bar of intercepting again moreover, has increased staff's work load.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a device for detecting connection strength of steel bars, which avoids cutting the steel bars when detecting the connection strength of the steel bars, saves materials, and reduces the workload of workers.
In order to achieve the purpose, the invention provides a steel bar connection strength detection device which comprises a barrel-shaped installation main body, wherein the installation main body is sleeved on the outer side of a steel bar, a first telescopic assembly used for stretching the steel bar is arranged on the installation main body, and a plurality of groups of clamping assemblies used for clamping the steel bar are arranged on the inner side of the installation main body; the clamping assembly comprises a plurality of groups of fixing parts arranged on the inner side of the mounting main body, each group of fixing parts comprises two mutually parallel fixing vertical plates, each fixing vertical plate is fixedly connected with the inner surface of the mounting main body and extends towards the inside of the mounting main body, a gear is arranged between the two fixing vertical plates, the gear is in sliding connection with the fixing vertical plates, and a first elastic piece is arranged between the gear and the fixing vertical plates; a first rack and a second rack are arranged on the inner sides of the two fixed vertical plates, the first rack and the second rack are both parallel to the rotation axis of the mounting main body, the first rack is fixedly connected with the inner surface of the mounting main body, the second rack is connected with the fixed vertical plates in a sliding manner, the gear is arranged between the first rack and the second rack, and the gear is movably meshed with the second rack; be equipped with the slope on the gear and set up and have flexible function's connecting rod, the one end activity joint of connecting rod first rack, the middle part of connecting rod is connected the gear, the other end of connecting rod to the reinforcing bar extend and with the surface movable contact of reinforcing bar.
According to the reinforcing steel bar connection strength detection device, the gear is rotatably connected with the fixed shaft, the fixed shaft is slidably connected with the two fixed vertical plates, each fixed vertical plate is provided with a strip-shaped avoidance groove, each avoidance groove is arranged along the radial direction of the installation main body, the lower end of each avoidance groove is of an arc-shaped structure with the same diameter as the fixed shaft, the fixed shaft is arranged in the avoidance groove, and a first elastic piece is arranged between the fixed shaft and the top of the avoidance groove.
According to the reinforcing steel bar connection strength detection device, the sliding block is arranged in the avoiding groove and is connected with the avoiding groove in a sliding mode, the sliding block is arranged between the fixed shaft and the top of the avoiding groove, the lower end of the sliding block is provided with the arc attached to the outer surface of the fixed shaft, and the first elastic piece is arranged between the upper end of the sliding block and the top of the avoiding groove.
According to the device for detecting the connection strength of the steel bars, one end, close to the steel bars, of the connecting rod is connected with the clamping wheel, the clamping wheel is movably contacted with the outer side of the steel bars, the connecting rod is provided with the installation groove, the support shaft is fixed in the installation groove and is rotatably connected with the clamping wheel, the support shaft and the clamping wheel are eccentrically arranged, and a clockwork spring for limiting the direction of the clamping wheel is arranged between the support shaft and the clamping wheel.
According to the reinforcing steel bar connection strength detection device, the distance between the mounting groove and the rotation center of the support shaft is smaller than the size of the large end of the clamping wheel.
According to the reinforcing steel bar connection strength detection device, the detection device is further provided with a separation mechanism, the separation mechanism comprises a fixed sleeve, the fixed sleeve is fixedly connected with the fixed vertical plate, the fixed sleeve and the installation main body are coaxially arranged, the inner side of the fixed sleeve is rotatably connected with a rotating sleeve, the outer side of the rotating sleeve is sleeved with a sliding disc in sliding connection with the rotating sleeve, and the sliding disc is arranged on the inner sides of the connecting rods; the rotating sleeve is coaxially fixed with a fixed disc, the fixed disc is arranged on the right side of the sliding disc, the fixed disc is provided with a second elastic part between the sliding discs, the fixed disc is provided with a plurality of groups of hinge assemblies and a plurality of groups of hinge assemblies which are uniformly distributed between the sliding discs, each hinge assembly comprises a first hinge rod and a second hinge rod which are mutually hinged, one end of each first hinge rod is hinged to one end of each second hinge rod, the other end of each first hinge rod is hinged to the sliding disc, the other end of each second hinge rod is hinged to the fixed disc, and the hinged position of each first hinge rod and the hinged position of each second hinge rod is provided with a balancing weight.
According to the reinforcing steel bar connection strength detection device, the connecting rod comprises a first connecting rod and a second connecting rod, the first connecting rod is connected with the second connecting rod in a sliding mode, the first connecting rod is connected with the gear, a sliding rod is arranged at one end, close to the second connecting rod, of the first connecting rod, the sliding rod is arranged on the inner side of a sliding cavity, the sliding cavity is formed in one end, close to the first connecting rod, of the second connecting rod and extends towards the other end of the second connecting rod, the sliding rod is connected with the sliding cavity in a sliding mode, a third elastic piece is sleeved on the outer side of the sliding rod, the other end of the first connecting rod is movably clamped with the first rack, and the other end of the second connecting rod is movably contacted with the outer side of a reinforcing steel bar; the distance between the right side of the sliding rod and the right side of the sliding cavity is larger than the distance between the right side of the first connecting rod and the left side of the second connecting rod.
The invention aims to provide a reinforcing steel bar connection strength detection device, which is characterized in that a barrel-shaped installation main body is arranged, the installation main body is sleeved on the outer side of a reinforcing steel bar, one end of the reinforcing steel bar is fixedly connected with a base body, a first telescopic assembly is arranged between the installation main body and the base body, and a plurality of groups of clamping assemblies used for clamping the reinforcing steel bar are arranged on the inner side of the installation main body; the clamping assembly comprises a plurality of groups of fixing parts arranged on the inner side of the mounting main body, each group of fixing parts comprises two mutually parallel fixing vertical plates, each fixing vertical plate is fixedly connected with the inner surface of the mounting main body and extends towards the inside of the mounting main body, a gear is arranged between the two fixing vertical plates, the gear is rotationally connected with a fixing shaft, the fixing shaft is slidably connected with the two fixing vertical plates, a first rack and a second rack are arranged in the two fixing vertical plates, the first rack is fixedly connected with the inner surface of the mounting main body, the second rack is slidably connected with the fixing vertical plates, the gear is arranged between the first rack and the second rack, and the gear is movably meshed with the second rack; the gear is provided with a connecting rod which is obliquely arranged, one end of the connecting rod is movably clamped with the first rack, the middle part of the connecting rod is connected with the gear, and the other end of the connecting rod extends towards the reinforcing steel bar and is movably contacted with the outer surface of the reinforcing steel bar. According to the invention, the motion state of the connecting rod is changed by changing the position of the gear, so that the acting force of the first telescopic assembly is transmitted to the steel bar through the mounting main body, the steel bar is stretched, and the purpose of detecting the tensile strength of the welding position of the steel bar is achieved. The reinforcing bar detection efficiency is improved, the reinforcing bar does not need to be cut when detecting the reinforcing bar, the material is saved, and the workload of workers is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic view of the internal structure of the present invention; FIG. 3 is a schematic view of the construction of the clamping assembly; FIG. 4 is a perspective view of the clamping assembly; FIG. 5 is a schematic view of the separating mechanism; FIG. 6 is a front schematic view of the separating mechanism; FIG. 7 is a schematic view of a portion of the structure at A in FIG. 3; FIG. 8 is a schematic structural view showing a connection relationship between a link and a gear; FIG. 9 is a schematic structural view showing a connection relationship between the click wheel and the link; FIG. 10 is a schematic view of a connecting rod configuration;
in the figure: 100-base body, 101-reinforcing steel bar, 102-installation body, 103-first telescopic assembly, 104-fixed vertical plate, 105-gear, 106-first rack, 107-second rack, 108-second telescopic assembly, 109-connecting rod, 110-clamping wheel, 111-fixed shaft, 112-avoidance groove, 113-sliding block, 114-first elastic piece, 115-installation groove, 116-supporting shaft, 117-second elastic piece, 201-fixed sleeve, 202-rotating sleeve, 203-sliding disk, 204-fixed disk, 205-first hinged rod, 206-second hinged rod, 207-first connecting rod, 208-second connecting rod, 209-sliding cavity, 210-sliding rod and 211-third elastic piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the invention provides a reinforcing steel bar connection strength detection device, which comprises a barrel-shaped installation main body 102, wherein the installation main body 102 is sleeved on the outer side of a reinforcing steel bar 101, one end of the reinforcing steel bar 101 is fixedly connected with a base body 100, the base body 100 can be a wall body or a solidified concrete main body, the other end of the reinforcing steel bar 101 extends towards the outer side of the base body 100, and a welding seam is arranged in the middle position of the reinforcing steel bar 101; the installation main body 102 is provided with a first telescopic assembly 103 for stretching the steel bar 101, the first telescopic assembly 103, such as a hydraulic cylinder, is arranged between the installation main body 102 and the base body 100, one end of the first telescopic assembly 103 is fixedly connected with the installation main body 102, and the other end of the first telescopic assembly 103 is movably contacted with the base body 100. A plurality of groups of clamping assemblies for clamping the steel bars 101 are arranged on the inner side of the mounting main body 102, and the plurality of groups of clamping assemblies are uniformly distributed along the circumferential direction of the inner surface of the mounting main body 102;
referring to fig. 3 and 4, the clamping assembly includes a plurality of fixing portions disposed on the inner side of the mounting body 102, the plurality of fixing portions are uniformly distributed along the circumferential direction of the inner surface of the mounting body 102, each fixing portion includes two fixing vertical plates 104 parallel to each other, the two fixing vertical plates 104 are symmetrically disposed, each fixing vertical plate 104 is fixedly connected to the inner surface of the mounting body 102 and extends toward the inside of the mounting body 102, that is, one end of each fixing vertical plate 104 is fixedly connected to the inner surface of the mounting body 102, the other end of each fixing vertical plate 104 extends toward the inner side of the mounting body 102, a gear 105 is disposed between the two fixing vertical plates 104, the rotation axis of the gear 105 is perpendicular to the axis of the mounting body 102 in space, the gear 105 is slidably connected to the fixing vertical plates 104, and a first elastic member 114, such as a spring, is disposed between the gear 105 and the fixing vertical plates 104; referring to fig. 7, the gear 105 is rotatably connected to a fixed shaft 111, the fixed shaft 111 is slidably connected to the two fixed vertical plates 104, each fixed vertical plate 104 is provided with a strip-shaped avoidance groove 112, each avoidance groove 112 is radially arranged along the mounting body 102, the lower end of each avoidance groove 112 is of an arc-shaped structure with the same diameter as that of the fixed shaft 111, the fixed shaft 111 is arranged in the avoidance groove 112, so that the fixed shaft 111 can slide in the avoidance groove 112, the fixed shaft 111 is slidably connected to the fixed vertical plates 104, and the gear 105 can slide relative to the fixed vertical plates 104; a first elastic part 114 is arranged between the fixed shaft 111 and the top of the avoiding groove 112; preferably, referring to fig. 7, a sliding block 113 is disposed in the avoiding groove 112, the sliding block 113 is slidably connected to the avoiding groove 112, the sliding block 113 is disposed between the fixed shaft 111 and the top of the avoiding groove 112, an arc attached to the outer surface of the fixed shaft 111 is disposed at the lower end of the sliding block 113, a first elastic member 114 is disposed between the upper end of the sliding block 113 and the top of the avoiding groove 112, the sliding block 113 prevents the first elastic member 114 from directly contacting the fixed shaft 111, so that both ends of the first elastic member 114 are in contact with a plane, and the first elastic member 114 can extend and retract more smoothly; referring to fig. 3, 4 and 7, a first rack 106 and a second rack 107 are arranged in the two fixed vertical plates 104, the first rack 106 and the second rack 107 are both parallel to the rotation axis of the mounting main body 102, the first rack 106 is fixedly connected to the inner surface of the mounting main body 102, the second rack 107 is slidably connected to the fixed vertical plates 104, the second rack 107 can slide along the axis direction of the mounting main body 102, the second rack 107 is connected to a second telescopic assembly 108, such as a hydraulic cylinder, which drives the second telescopic assembly to slide, a piston rod of the second telescopic assembly 108 is connected to the second rack 107, and a main body of the second telescopic assembly 108 is fixedly connected to the fixed vertical plates 104; a gear 105 is arranged between the first rack 106 and the second rack 107, namely, the first rack 106 is arranged on one side of the gear 105 far away from the rotation center of the mounting main body 102, the second rack 107 is arranged on one side of the gear 105 close to the rotation center of the mounting main body 102, and the gear 105 is movably engaged with the second rack 107; a connecting rod 109 with a telescopic function is arranged on the gear 105, referring to fig. 3, the connecting rod 109 is obliquely arranged, one end of the connecting rod 109 is movably clamped with the first rack 106, the end F of the connecting rod 109 is movably clamped with the first rack 106 in fig. 8, the gear 105 is connected with the middle part of the connecting rod 109, the other end of the connecting rod 109 extends towards the steel bar 101, the other end of the connecting rod 109 is movably contacted with the outer side of the steel bar 101, and the end E of the connecting rod 109 is contacted with the outer surface of the steel bar 101 in fig. 3.
Referring to fig. 10, the connecting rod 109 includes a first connecting rod 207 and a second connecting rod 208, the first connecting rod 207 and the second connecting rod 208 are slidably connected, the first connecting rod 207 is connected to the gear 105, a sliding rod 210 is disposed at one end of the first connecting rod 207 close to the second connecting rod 208, the sliding rod 210 is disposed inside a sliding cavity 209, the sliding cavity 209 is disposed at one end of the second connecting rod 208 close to the first connecting rod 207 and extends toward the other end, the sliding rod 210 is slidably connected to the sliding cavity 209 in the left-right direction, so that the first connecting rod 207 can slide relative to the second connecting rod 208, a third elastic member 211, such as a spring, is disposed outside the sliding rod 210, and the third elastic member 211 is disposed between the first connecting rod 207 and the second connecting rod 208. The other end of the first connecting rod 207 is movably clamped with the first rack 106, and the other end of the second connecting rod 208 is movably contacted with the outer side of the steel bar 101. The distance between the right side of the sliding rod 210 and the right side of the sliding cavity 209 is greater than the distance between the right side of the first connecting rod 207 and the left side of the second connecting rod 208, so that when the sliding rod 210 contacts the bottom of the sliding cavity 209, a certain margin is provided between the first connecting rod 207 and the second connecting rod 208, and the third elastic member 211 is prevented from being excessively pressed, thereby damaging the third elastic member 211.
According to the structure, one end of the steel bar 101 is fixed on the inner side of the base body 100, and the length of the steel bar 101 is prolonged in a welding mode; when the detection device is not used, the first telescopic assembly 103 is in a retracted state; referring to fig. 7, the first elastic member 114 is in an extended state, and the first elastic member 114 keeps the fixed shaft 111 at a lower position, at which time the gear 105 is engaged with the second rack 107; the third elastic member 211 is in a freely extending state, and the third elastic member 211 enables the first connecting rod 207 and the second connecting rod 208 to be in an extending state; controlling a piston rod of the second telescopic assembly 108 to be in a middle position, namely, the piston rod of the second telescopic assembly 108 has a certain movement allowance towards the left or the right; when the strength of the welding position of the steel bar 101 needs to be tested, referring to fig. 3, taking the upper clamping assembly as an example for explanation, the piston rod of the second telescopic assembly 108 is controlled to move along the direction B, the second telescopic assembly 108 drives the second rack 107 to move along the direction B, because the second rack 107 is meshed with the gear 105, the second rack 107 can drive the gear 105 to rotate anticlockwise, the gear 105 drives the corresponding connecting rod 109 to swing along the direction D, the end E of the connecting rod 109 close to the steel bar 101 moves upwards, so that the connecting rod 109 is far away from the steel bar 101, and at this time, the mounting main body 102 is sleeved outside the steel bar 101; moving the mounting body 102 from the right side to the left side of the steel bar 101 along the direction C, wherein the steel bar 101 does not contact the connecting rod 109 during the moving process, and when the mounting body 102 moves to a proper position, the first telescopic assembly 103 is in a contact state with the base 100; the second telescopic assembly 108 is controlled to move in the reverse direction of the direction B, the second rack 107 drives the connecting rod 109 to swing in the reverse direction of the direction D, the end E of the connecting rod 109 is in contact with the steel bar 101, the second telescopic assembly 108 is continuously controlled to move in the reverse direction of the direction B after the end E of the connecting rod 109 is in contact with the steel bar 101, at the moment, the first connecting rod 207 and the second connecting rod 208 are close to each other and compress the third elastic piece 211, and because the end E of the connecting rod 109 is in contact with the steel bar 101, the connecting rod 109 has certain rigidity, and the outer surface of the steel bar 101 is provided with a transverse rib for increasing friction, the end E of the connecting rod 109 and the outer surface of the steel bar 101 cannot slide relatively. Therefore, when the second telescopic assembly 108 drives the second rack 107 to continuously move in the direction B, the second rack 107 continuously applies a rotational force to the gear 105, and the gear 105 can slide up and down relative to the fixed vertical plate 104 through the fixed shaft 111, so that the second rack 107 and the gear 105 move up the gear 105 through a tangential force between the gear teeth, that is, the fixed shaft 111 moves up relative to the avoiding groove 112, and simultaneously compresses the first elastic member 114, the connecting rod 109 moves up along with the gear 105, that is, the first connecting rod 207 moves up along with the gear 105, and at this time, the compressed third elastic member 211 extends, and the third elastic member 211 makes the second connecting rod 208 always contact with the outer surface of the steel bar 101; referring to fig. 8, the F-end of the link 109 can be inserted between the gear teeth of the first rack gear 106. At this time, the first telescopic assembly 103 is controlled to be in an extended state, the first telescopic assembly 103 enables the mounting main body 102 to move along the direction B, the first rack 106 is fixedly connected with the inner surface of the mounting main body 102, when the mounting main body 102 moves along the direction B, the first rack 106 moves along the direction B, the connecting rod 109 is obliquely arranged, one end of the connecting rod 109 is clamped with the first rack 106, the other end of the connecting rod 109 is contacted with the steel bar 101, the end F of the connecting rod 109 is subjected to an acting force moving along the direction B, so that the connecting rod 109 tends to be in a vertical state, and the connecting rod 109 has certain strength, so that the acting force moving along the direction B of the first rack 106 acts on the steel bar 101 through the connecting rod 109; since the reinforcing bar 101 is in a fixed state, the biasing force of the first expansion/contraction unit 103 is applied to the reinforcing bar 101 through the attachment body 102 and the link 109, and the reinforcing bar 101 is subjected to a tensile force, and the pressure inside the hydraulic system is controlled according to the pressure P = F/a of the hydraulic system, whereby the tensile force applied to the reinforcing bar 101 can be controlled.
Preferably, one end of the connecting rod 109 close to the steel bar 101 is connected with a clamping wheel 110, the clamping wheel 110 is movably contacted with the outer side of the steel bar 101, referring to fig. 9, the connecting rod 109 is provided with an installation groove 115, a support shaft 116 is fixed in the installation groove 115, the support shaft 116 is rotatably connected with the clamping wheel 110, the support shaft 116 and the clamping wheel 110 are eccentrically arranged, and a clockwork spring for limiting the direction of the clamping wheel 110 is arranged between the support shaft 116 and the clamping wheel 110, so that the large end of the free clamping wheel 110 is close to the outer surface of the steel bar 101. The distance dimension M of the mounting groove 115 from the rotation center of the support shaft 116 is smaller than the dimension N of the large end of the click wheel 110, i.e., the end point of the outer edge of the click wheel 110, which is the largest distance from the rotation center of the support shaft 116.
According to the invention, through the structure, when the detection device is sleeved on the outer side of the steel bar 101, the large end of the clamping wheel 110 is in contact with the outer surface of the steel bar 101, and when the detection device moves towards the left side relative to the steel bar 101, the large end of the clamping wheel 110 can swing towards the right side position because the clamping wheel 110 is rotatably connected with the supporting shaft 116; when reinforcing bar 101 is stretched, first flexible subassembly 103 drives connecting rod 109 through installation main part 102 and follows B to when moving, the E end of connecting rod 109 is relative reinforcing bar 101 to B to the removal, joint wheel 110 produces the rotation this moment, the main aspects of joint wheel 110 move to the left side, the main aspects of joint wheel 110 produces the extrusion to reinforcing bar 101 this moment, joint wheel 110 on a plurality of connecting rods 109 produces the effect of hugging closely to reinforcing bar 101, the effectual effect that makes first flexible subassembly 103 acts on reinforcing bar 101, produce the tensile effect to reinforcing bar 101.
The detection device is further provided with a separation mechanism, referring to fig. 5 and 6, the separation mechanism comprises a fixed sleeve 201, the fixed sleeve 201 is fixedly connected with a fixed vertical plate 104, the outer surface of the fixed sleeve 201 is fixedly connected with one end of the fixed vertical plate 104 close to the rotation center of the installation main body 102, the fixed sleeve 201 and the installation main body 102 are coaxially arranged, the fixed sleeve 201 is sleeved on the outer side of the steel bar 101, the inner side of the fixed sleeve 201 is rotatably connected with a rotating sleeve 202, the rotating sleeve 202 is sleeved on the outer side of the steel bar 101, referring to fig. 6, the rotating sleeve 202 can be connected with a rotating driving part, such as a motor, for driving the rotating sleeve 202 to rotate, the outer side of the rotating sleeve 202 is sleeved with a sliding disk 203 in sliding connection with the rotating sleeve 202, the sliding disk 203 and the rotating sleeve 202 are in key connection, so that the sliding disk 203 can move along the axial direction of the rotating sleeve 202 and can rotate simultaneously with the rotating sleeve 202, the sliding disk 203 is arranged on the inner sides of the plurality of the connecting rods 109, the rotating sleeve 202 is further coaxially fixed with a fixed disc 204, the fixed disc 204 is arranged on the inner side of the connecting rods 109, the fixed disc 204 is arranged on the right side of the sliding disc 203, a second elastic part 117 is arranged between the fixed disc 204 and the sliding disc 203, the second elastic part 117 is sleeved on the outer side of the rotating sleeve 202, a plurality of groups of hinge assemblies are further arranged between the fixed disc 204 and the sliding disc 203 and are uniformly distributed, each hinge assembly comprises a first hinge rod 205 and a second hinge rod 206 which are hinged to each other, the hinge joint of the first hinge rod 205 and the second hinge rod 206 is in movable contact with the connecting rod 109, one end of the first hinge rod 205 is hinged to one end of the second hinge rod 206, the other end of the first hinge rod 205 is hinged to the sliding disc 203, and the other end of the second hinge rod 206 is hinged to the fixed disc 204. Preferably, a weight is provided at the joint of the first hinge rod 205 and the second hinge rod 206.
Through the structure, in a normal state, the second elastic part 117 is in an extension state, the second elastic part 117 enables the sliding disc 203 and the fixed disc 204 to be in a far state, the first hinge rod 205 and the second hinge rod 206 which are hinged with each other are in the same horizontal plane, the first hinge rod 205 and the second hinge rod 206 which are hinged with each other are linearly arranged, after the welding strength of the steel bar 101 is detected, the rotating sleeve 202 is controlled to rotate, the rotating sleeve 202 can drive the sliding disc 203 and the fixed disc 204 to simultaneously rotate when rotating, simultaneously, the sliding disc 203 and the fixed disc 204 drive the first hinge rod 205 and the second hinge rod 206 to rotate, along with the increase of the rotating speed of the rotating sleeve 202, as the hinge joint of the first hinge rod 205 and the second hinge rod 206 is provided with the balancing weight, the centrifugal force applied to the balancing weight is larger than that of other positions, so that the balancing weight moves to the rotation center far away from the rotating sleeve 202, make first articulated pole 205 and second articulated pole 206 be certain contained angle, move to the outside along with the balancing weight, the balancing weight can be progressively contact with connecting rod 109, contact with connecting rod 109 through the balancing weight is continuous, make connecting rod 109 produce the vibration effect, thereby make connecting rod 109 produce the vibration relative reinforcing bar 101, thereby make connecting rod 109 break away from the contact with reinforcing bar 101, can effectually remove the contact state of connecting rod 109 and reinforcing bar 101, avoid the difficult problem of separating of connecting rod 109 and reinforcing bar 101.
In summary, the installation main body is arranged in a barrel shape and sleeved on the outer side of the steel bar, one end of the steel bar is fixedly connected with the base body, the first telescopic assembly is arranged between the installation main body and the base body, and a plurality of clamping assemblies used for clamping the steel bar are arranged on the inner side of the installation main body; the clamping assembly comprises a plurality of groups of fixing parts arranged on the inner side of the mounting main body, each group of fixing parts comprises two mutually parallel fixing vertical plates, each fixing vertical plate is fixedly connected with the inner surface of the mounting main body and extends towards the inside of the mounting main body, a gear is arranged between the two fixing vertical plates, the gear is rotationally connected with a fixing shaft, the fixing shaft is slidably connected with the two fixing vertical plates, a first rack and a second rack are arranged in the two fixing vertical plates, the first rack is fixedly connected with the inner surface of the mounting main body, the second rack is slidably connected with the fixing vertical plates, the gear is arranged between the first rack and the second rack, and the gear is movably meshed with the second rack; the gear is provided with a connecting rod which is obliquely arranged, one end of the connecting rod is movably clamped with the first rack, the middle part of the connecting rod is connected with the gear, and the other end of the connecting rod extends towards the reinforcing steel bar and is movably contacted with the outer surface of the reinforcing steel bar. According to the invention, the motion state of the connecting rod is changed by changing the position of the gear, so that the acting force of the first telescopic assembly is transmitted to the steel bar through the mounting main body, the steel bar is stretched, and the purpose of detecting the tensile strength of the welding position of the steel bar is achieved.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The device for detecting the connection strength of the steel bars is characterized by comprising a barrel-shaped installation main body, wherein the installation main body is sleeved on the outer side of the steel bars, a first telescopic assembly used for stretching the steel bars is arranged on the installation main body, and a plurality of groups of clamping assemblies used for clamping the steel bars are arranged on the inner side of the installation main body;
the clamping assembly comprises a plurality of groups of fixing parts arranged on the inner side of the mounting main body, each group of fixing parts comprises two mutually parallel fixing vertical plates, each fixing vertical plate is fixedly connected with the inner surface of the mounting main body and extends towards the inside of the mounting main body, a gear is arranged between the two fixing vertical plates, the gear is in sliding connection with the fixing vertical plates, and a first elastic piece is arranged between the gear and the fixing vertical plates; a first rack and a second rack are arranged on the inner sides of the two fixed vertical plates, the first rack and the second rack are both parallel to the rotation axis of the mounting main body, the first rack is fixedly connected with the inner surface of the mounting main body, the second rack is connected with the fixed vertical plates in a sliding manner, the gear is arranged between the first rack and the second rack, and the gear is movably meshed with the second rack; be equipped with the slope on the gear and set up and have flexible function's connecting rod, the one end activity joint of connecting rod first rack, the middle part of connecting rod is connected the gear, the other end of connecting rod to the reinforcing bar extend and with the surface movable contact of reinforcing bar.
2. The device for detecting the connection strength of steel bars according to claim 1, wherein the gear is rotatably connected to a fixed shaft, the fixed shaft is slidably connected to two of the fixed vertical plates, each of the fixed vertical plates is provided with an elongated avoiding groove, each of the avoiding grooves is radially disposed along the mounting body, a lower end of each of the avoiding grooves has an arc-shaped structure with the same diameter as the fixed shaft, the fixed shaft is disposed in the avoiding groove, and a first elastic member is disposed between the fixed shaft and a top of the avoiding groove.
3. The device for detecting the connection strength of the steel bars according to claim 2, wherein a sliding block is arranged in the avoiding groove, the sliding block is connected with the avoiding groove in a sliding manner, the sliding block is arranged between the fixed shaft and the top of the avoiding groove, the lower end of the sliding block is provided with an arc attached to the outer surface of the fixed shaft, and the first elastic member is arranged between the upper end of the sliding block and the top of the avoiding groove.
4. The device for detecting the connection strength of the steel bars according to claim 1, wherein one end of the connecting rod, which is close to the steel bars, is connected with a clamping wheel, the clamping wheel is in movable contact with the outer side of the steel bars, a mounting groove is formed in the connecting rod, a supporting shaft is fixed in the mounting groove, the supporting shaft is rotatably connected with the clamping wheel, the supporting shaft and the clamping wheel are eccentrically arranged, and a spring for limiting the direction of the clamping wheel is arranged between the supporting shaft and the clamping wheel.
5. A reinforcing bar connection strength detecting apparatus according to claim 4, wherein a distance dimension of said mounting groove from a rotation center of said supporting shaft is smaller than a dimension of a large end of said click wheel.
6. The reinforcing steel bar connection strength detection device according to any one of claim 1 or claim 4, wherein the detection device is further provided with a separation mechanism, the separation mechanism comprises a fixed sleeve, the fixed sleeve is fixedly connected with the fixed vertical plate, the fixed sleeve and the mounting main body are coaxially arranged, the inner side of the fixed sleeve is rotatably connected with a rotating sleeve, the outer side of the rotating sleeve is sleeved with a sliding disc which is slidably connected with the rotating sleeve, and the sliding disc is arranged on the inner sides of the plurality of connecting rods; the rotating sleeve is coaxially fixed with a fixed disc, the fixed disc is arranged on the right side of the sliding disc, the fixed disc is provided with a second elastic part between the sliding discs, the fixed disc is provided with a plurality of groups of hinge assemblies and a plurality of groups of hinge assemblies which are uniformly distributed between the sliding discs, each hinge assembly comprises a first hinge rod and a second hinge rod which are mutually hinged, one end of each first hinge rod is hinged to one end of each second hinge rod, the other end of each first hinge rod is hinged to the sliding disc, the other end of each second hinge rod is hinged to the fixed disc, and the hinged position of each first hinge rod and the hinged position of each second hinge rod is provided with a balancing weight.
7. The device for detecting the connection strength of the steel bars according to claim 1, wherein the connecting rods comprise a first connecting rod and a second connecting rod, the first connecting rod is slidably connected with the second connecting rod, the first connecting rod is connected with the gear, one end of the first connecting rod, which is close to the second connecting rod, is provided with a sliding rod, the sliding rod is arranged inside a sliding cavity, the sliding cavity is formed in one end of the second connecting rod, which is close to the first connecting rod, and extends towards the other end of the second connecting rod, the sliding rod is slidably connected with the sliding cavity, a third elastic member is sleeved outside the sliding rod, the other end of the first connecting rod is movably clamped with the first rack, and the other end of the second connecting rod is movably contacted with the outside of the steel bars; the distance between the right side of the sliding rod and the right side of the sliding cavity is larger than the distance between the right side of the first connecting rod and the left side of the second connecting rod.
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