A rapid detection device for the adhesion of a galvanized layer of a steel member and a working method thereof

Abstract

The present application relates to a kind of steel member galvanizing layer adhesion quick detection device and its working method in steel member galvanizing layer detection technical field, including left installation stand and right installation stand that interval distribution is set, the bottom of left installation stand and right installation stand is respectively provided with magnetic force seat, outer spline shaft and screw rod are provided between left installation stand and right installation stand, driving mechanism and synchronous transmission mechanism are provided in left installation stand and right installation stand two sides, translation mechanism and lifting mechanism of hammering head are provided on outer spline shaft and screw rod, by orderly cooperation of translation and lifting, interval step hammering action is realized, the present application utilizes motor to cooperate a series of transmission mechanisms synchronous driving hammering head lifting hammering and equidistant step, can be directly tested on different hot-dip galvanizing product test piece, accurately test hot-dip galvanizing layer adhesion, simultaneously without manual cooperation operation, greatly improve the convenience of detection operation of detector, correspondingly also greatly improve the work efficiency of detector.

Description

TECHNICAL FIELD

[0001] The application relates to a device for quickly detecting the adhesion of a galvanized layer of a steel member and a working method thereof. BACKGROUND

[0002] A hot galvanizing layer adhesion test is used to test whether the galvanizing layer meets the standard by using a hammer head to freely drop and hit a sample. According to the requirements of GB / T2694-2010 "Manufacturing Technical Conditions for Transmission Line Towers", the galvanizing layer of the tower material is tested, including the drop hammer test of the galvanizing layer. The test requires that the test piece should be placed in a horizontal state, the hammer head should face the center of the rack, the hammer handle should be perpendicular to the base plane and then freely fall down, and the 5 points should be hit at an interval of 4mm along the parallel direction, the hitting points should be 10mm away from the end, the hitting points should not be hit at the same time, and the surface state of the galvanizing layer should be checked. GB / T2694-2010 gives the size and requirements of the hammer handle and the hammer head, but in actual application, the interval of 4mm between the 5 hitting points needs to be manually controlled. In the process of aligning the interval of 4mm, a long time is consumed and the efficiency is low.

[0003] Therefore, the related technical personnel discloses a Chinese invention patent such as CN101710063B for a hot galvanizing layer adhesion tester and a detection method thereof. Although the device and method can realize the hitting operation on the surface of the test piece according to the foregoing test action requirements, the device needs to rely on manual operation to realize the step-by-step structure reset after completing a test operation. In the case of a large number of test pieces, the degree of automation of the device still needs to be further improved to improve the operation convenience and test efficiency. SUMMARY

[0004] In order to solve the above problems existing in the prior art, the application provides a device for quickly detecting the adhesion of a galvanized layer of a steel member and a working method thereof.

[0005] The technical scheme of the application is as follows:

[0006] A device for quickly detecting the adhesion of a galvanized layer of a steel member, comprising left and right installation vertical plates which are arranged at intervals, and magnetic bases are arranged at the bottoms of the left and right installation vertical plates respectively;

[0007] Bearing rotatingly installed between the left and right installation vertical plates are outer spline shafts and a lead screw which are arranged at intervals;

[0008] The mobile seat is connected with the screw rod through a nut seat, and the upper end of the mobile seat is rotatably connected with a mounting sleeve through a bearing.

[0009] The front and rear sides of the mobile seat are respectively provided with lifting rods, and the top of the lifting rods is fixedly connected with an upper connecting rod.

[0010] The lower end of the mobile seat is provided with guide rods, and the mobile seat is slidably connected with the guide rods through linear bearings.

[0011] The synchronous transmission member includes a driven gear and a driving gear which are respectively connected with the outer spline shaft and the screw rod, and the driven gear and the driving gear are in meshing transmission.

[0012] The transmission ratio of the driven gear and the driving gear is 1:2, and the lead of the screw rod is 2mm.

[0013] The one-way transmission mechanism includes a ratchet wheel and a pawl, the ratchet wheel is fixedly installed on the right end of the mounting sleeve, the pawl is rotatably installed on the right side wall of the cam, the right side wall of the cam is fixedly installed with a spring plate through a mounting plate, and the suspended end of the spring plate is pressed against the oscillating end of the pawl to keep the pawl in contact with the ratchet wheel.

[0014] The left and right mounting vertical plates are installed with limit sensors through sensor mounting plates.

[0015] The left and right mounting vertical plates are fixedly installed on the mounting bottom plate, the mounting bottom plate is provided with a hammer head accommodation opening in the middle, and the mounting bottom plate is provided with magnetic seat accommodation openings on the left and right sides.

[0016] The roller height adjusting mechanism comprises a mounting base integrally connected to the right side of the upper connecting rod, a lifting adjusting groove is arranged at the top of the mounting base, a lifting sliding block is arranged in the lifting adjusting groove, the lifting sliding block is slidingly embedded and installed on the two side walls of the lifting adjusting groove, the axle of the roller is fixedly screwed with the side wall of the lifting adjusting groove, a cover plate is fixedly installed at the top of the lifting adjusting groove, an adjusting bolt is threadedly connected to the cover plate, an adjusting compression spring is arranged in abutment between the bottom of the lifting sliding block and the bottom of the lifting adjusting groove, and the lifting sliding block is in abutment with the bottom end of the adjusting bolt under the jacking action of the adjusting compression spring.

[0017] A working method of the galvanizing layer adhesion quick detection device for steel members, comprising the following steps:

[0018] Step 1: The steel member galvanizing layer adhesion quick detection device is adsorbed and fixed to the surface of the object to be measured.

[0019] Step 2: The forward rotation of the lead screw is driven by the control of the speed reducer motor, and the moving seat is moved to the right.

[0020] Step 3: The outer spline shaft is synchronously rotated for one circle every two rotations of the lead screw, the transmission of the one-way transmission mechanism is effective, the cam is rotated, and the hammering head is hammered.

[0021] Step 4: The cycle step is repeated until the moving seat touches the left limit sensor, and the speed reducer motor is automatically stopped, and the cycle hammering is completed.

[0022] Step 5: The reverse rotation of the lead screw is driven by the control of the speed reducer motor, the moving seat is moved to the right, the transmission of the one-way transmission mechanism is invalid, the hammering head does not work, until the moving seat touches the right limit sensor, and the speed reducer motor is automatically stopped, and returns to the initial position.

[0023] wherein,

[0024] In step 2, the moving seat advances 4mm every two rotations of the lead screw.

[0025] In step 3, the cam rotates one circle, and the hammering head completes one hammering.

[0026] In step 4, the cycle hammering times are five.

[0027] The present application has the following beneficial effects:

[0028] 1. The steel member galvanizing layer adhesion quick detection device utilizes the motor to cooperate with a series of transmission mechanisms to synchronously drive the hammering head to lift and hammer and step at equal distances, can directly test different hot galvanizing product test pieces, and accurately test the adhesion of the hot galvanizing layer.

[0029] 2, The galvanized layer adhesion fast detection device of the steel member of the application is driven by the sensor sensing detection cooperation motor in the function mechanism of step hammering and back resetting, without manual cooperation operation, greatly improving the detection operation convenience of the detection personnel, and correspondingly greatly improving the work efficiency of the detection personnel.

[0030] 3, The galvanized layer adhesion fast detection device of the steel member of the application is also equipped with a roller height adjusting mechanism for adjusting the hammering force, by adjusting the arbitrary installation height of the roller within a certain range, the force size of each hammering head can be changed, and then the hammering force size adjusting is realized, to simulate more accurate test conditions. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 The internal structure of the galvanized layer adhesion fast detection device of the steel member of the application Figure 1 ;

[0032] Figure 2 The internal structure of the galvanized layer adhesion fast detection device of the steel member of the application Figure 2 ;

[0033] Figure 3 The transmission structure of the galvanized layer adhesion fast detection device of the steel member of the application Figure 1 ;

[0034] Figure 4 The transmission structure of the galvanized layer adhesion fast detection device of the steel member of the application Figure 2 ;

[0035] Figure 5 The transmission structure of the galvanized layer adhesion fast detection device of the steel member of the application

[0036] Figure 6 The roller height adjusting mechanism structure diagram of the galvanized layer adhesion fast detection device of the steel member of the application.

[0037] Figure 7 The appearance structure diagram of the galvanized layer adhesion fast detection device of the steel member of the application. DETAILED DESCRIPTION

[0038] The application will be described in detail below in combination with the drawings and specific embodiments.

[0039] Reference Figures 1-7The utility model provides a kind of steel member galvanizing layer adhesion quick detection device, including left and right interval distribution setting left installation vertical board 1 and right installation vertical board 2, the bottom of left installation vertical board 1 and right installation vertical board 2 is respectively provided with magnetic base 3, the bottom of left installation vertical board 1 and right installation vertical board 2 is provided with recess for installing magnetic base 3, magnetic base 3 can adopt electric control or manual type, for the device is adsorbed and fixed on test specimen surface;It further includes installation base plate 26, left installation vertical board 1 and right installation vertical board 2 are fixedly installed on installation base plate 26, and installation base plate 26 left and right sides are provided with magnetic base accommodation opening 28;Installation base plate 26 is provided with cover shell 29 on sleeve installation, and cover shell 29 top is provided with handle 30;Circuit board 31 is installed on the left side of installation base plate 26, and battery 32 is installed on the right side of right installation vertical board 2.

[0040] Between left installation vertical board 1 and right installation vertical board 2, outer spline shaft 4 and screw rod 5 of up and down interval distribution are rotatably installed, the outer side wall of left installation vertical board 1 is installed with speed reducer motor 6, speed reducer motor 6 includes driving motor and reducer, and the power output end of reducer is drivingly connected with the left end of screw rod 5, and the outer side of right installation vertical board 2 is provided with synchronous transmission part, and the right end of outer spline shaft 4 and screw rod 5 is drivingly connected through synchronous transmission part;Among them, synchronous transmission part includes driven gear 20 and driving gear 21 respectively sleeved on the right end of outer spline shaft 4 and screw rod 5, and driven gear 20 and driving gear 21 are meshingly connected, and when working, by controlling speed reducer motor 6 to rotate reversely, outer spline shaft 4 and screw rod 5 can be synchronously driven to rotate reversely;Specifically, the transmission ratio of driven gear 20 and driving gear 21 is 1:2, when screw rod 5 rotates two rounds, outer spline shaft 4 rotates one round;The lead of screw rod 5 is 2mm, when screw rod 5 rotates two rounds, the step distance is 4mm.

[0041] It further includes moving seat 7, and the lower end of moving seat 7 is screw-connectedly installed with screw rod 5 through embedded nut seat 8, and when working, by rotating screw rod 5 relative to nut seat 8, nut seat 8 and moving seat 7 can be pushed to translate;Further, the lower end of moving seat 7 is provided with guide rod 18 on the left and right sides of screw rod 5, and moving seat 7 is slidingly installed with guide rod 18 through embedded linear bearing 19, and guide rod 18 and linear bearing 19 are slidingly matched, for assisting guiding moving seat 7 to laterally translate;The upper end of moving seat 7 is rotatably installed with mounting sleeve 9 through embedded bearing 39, and the end of mounting sleeve 9 is provided with bearing end cover 40, and the inside of mounting sleeve 9 is slidingly installed with outer spline sleeve 10 and outer spline shaft 4 through embedded inner spline sleeve 10, and when working, one side of mounting sleeve 9 translates with moving seat 7, and the other side rotates under the driving of outer spline shaft 4 and inner spline sleeve 10;Further, limit sensor 25 is installed on left installation vertical board 1 and right installation vertical board 2 through sensor mounting plate 24, and when the both ends of moving seat 7 translation stroke, the limit sensor 25 on both sides can be triggered respectively, to realize stroke in place detection, and then realize automatic return reset after hammering cycle is completed.

[0042] The outer wall right end of the mounting sleeve 9 is rotatably sleeved with a cam 11, a wear-resistant bushing 41 is arranged between the outer wall of the mounting sleeve 9 and the mounting hole of the cam 11, and a one-way transmission mechanism is arranged between the mounting sleeve 9 and the cam 11; when the one-way transmission mechanism is effective, the cam 11 rotates with the mounting sleeve 9, and this state is used for the working process of hammering the equipment; when the one-way transmission mechanism is ineffective, the cam 11 no longer rotates synchronously with the mounting sleeve 9, and this state is used for the working process of resetting the equipment.

[0043] Specifically, the one-way transmission mechanism includes a ratchet wheel 22 and a pawl 23, the ratchet wheel 22 is fixedly installed at the right end of the mounting sleeve 9, the pawl 23 is rotatably installed on the right side wall of the cam 11, the right side wall of the cam 11 is fixedly installed with a spring pressing piece 25 through a mounting piece 24, and the suspended end of the spring pressing piece 25 abuts against the oscillating end of the pawl 23 to make it keep in contact with the ratchet wheel 22; during work, when the ratchet wheel 22 rotates forward with the mounting sleeve 9, the pawl 23 abuts against the outer peripheral ratchet teeth of the ratchet wheel 22 under the action of the spring pressing piece 25, and the mounting sleeve 9 drives the pawl 23 to rotate through the ratchet wheel 22, that is, drives the cam 11 to rotate synchronously; when the ratchet wheel 22 reverses with the mounting sleeve 9, the pawl 23 no longer abuts against the outer peripheral ratchet teeth of the ratchet wheel 22, and the ratchet wheel 22 and the pawl 23 relatively move, that is, no longer drive the cam 11 to rotate.

[0044] The front and rear sides of the moving seat 7 are movably penetrated by lifting rods 12, the top portions of the two lifting rods 12 are fixedly connected with an upper connecting rod 13, the right side of the upper connecting rod 13 is provided with a roller 14 abutting and cooperating with the cam 11, the bottom portions of the two lifting rods 12 are connected with a lower connecting rod 15, the outer wall of the lifting rod 12 is sleeved with a compression spring 16 abutting between the moving seat 7 and the lower connecting rod 15, the middle bottom surface of the lower connecting rod 15 is fixedly installed with a hammer head 17, and the middle portion of the mounting bottom plate 26 is provided with a hammer head clearance 27; during work, since the radius of the cam 11 is gradually changed, the roller 14 is lifted to a certain height and then suddenly drops with the rotation of the cam 11, in the lifting process, the lifting rod 12 moves upward, and the compression spring 16 continuously accumulates force, in the sudden drop process, the roller 14 loses support, and under the action of the restoring force of the compression spring 16, the lifting rod 12 quickly drops back to realize the effect of downward hitting, and cooperating with the hammer head 17 at the bottom, the surface of the test piece at the bottom of the equipment can be hammered.

[0045] Further, the roller height adjusting mechanism further comprises a mounting base 33 integrally connected to the right side of the upper connecting rod 13, the top of the mounting base 33 is provided with a lifting adjusting groove 34, and a lifting sliding block 35 is arranged in the lifting adjusting groove 34, the two sides of the lifting sliding block 35 are slidingly embedded and mounted with the two side walls of the lifting adjusting groove 34, the axle of the roller 14 is fixedly screwed with the side wall of the lifting adjusting groove 34, the top of the lifting adjusting groove 34 is fixedly mounted with a cover plate 36, the cover plate 36 is threadedly connected with an adjusting bolt 37, an adjusting compression spring 38 is arranged in abutment between the bottom of the lifting sliding block 35 and the bottom of the lifting adjusting groove 34, the lifting sliding block 35 keeps in abutment with the bottom end of the adjusting bolt 37 under the jacking action of the adjusting compression spring 38, and during work, the upper limit position of the lifting sliding block 35 can be changed by screwing the adjusting bolt 37, and due to the characteristics of the threaded adjustment, the height required can be adjusted within the adjustable range, and stepless adjustment is realized, and under the supporting action of the adjusting compression spring 38, the lifting sliding block 35 is always at the upper limit position thereof, in order to avoid loosening of the adjusting bolt 37, a positioning nut can be additionally arranged on the adjusting bolt 37, for limiting the height position of the adjusting bolt 37, so that the height of the lifting sliding block 35 can be indirectly adjusted by screwing the adjusting bolt 37, and then the installation height of the roller 14 is adjusted, and by adjusting the installation height of the roller within a certain range, the force storage size of the hammering head each time can be changed, and then the hammering force size adjustment is realized, so that more accurate test conditions can be simulated.

[0046] Based on the above-mentioned steel member galvanized layer adhesion rapid detection device, the application further provides a corresponding working method of the device in actual test application as follows:

[0047] Step 1, the steel member galvanized layer adhesion rapid detection device is adsorbed and fixed on the surface of the object to be detected;

[0048] Step 2, the control reduction motor 6 is controlled to rotate forward, the lead screw 5 is driven to rotate forward, the moving seat 7 is driven to move right, and the lead screw 5 rotates two circles, and the moving seat 7 advances 4 mm;

[0049] Step 3, the lead screw rotates two circles, the outer spline shaft 4 synchronously rotates one circle, the one-way transmission mechanism is driven to work, the cam 11 rotates, the hammering head 17 is hammered, the cam 11 rotates one circle, and the hammering head 17 completes one hammering;

[0050] Step 4, the steps 2-3 are cycled until the moving seat 7 touches the left limit sensor 25, the reduction motor 6 is automatically stopped, the cycle hammering is completed, and the cycle hammering times are five times;

[0051] Step 5, the control reduction motor 6 is controlled to rotate reversely, the lead screw 5 is driven to rotate reversely, the moving seat 7 is driven to move right, the one-way transmission mechanism is disabled, the hammering head 17 does not work, until the moving seat 7 touches the right limit sensor 25, the reduction motor 6 is automatically stopped, and the initial position is returned.

[0052] The above merely illustrates the embodiments of the present application, and is not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, which is made according to the content of the present application, shall be included in the patent protection scope of the present application.

Claims

1. A device for quickly testing the adhesion of a galvanized layer on a steel component, characterized by: It comprises a left mounting plate (1) and a right mounting plate (2) which are spaced apart and arranged on the left and right sides, wherein the bottoms of the left mounting plate (1) and the right mounting plate (2) are respectively provided with a magnetic seat (3); An external spline shaft (4) and a screw rod (5) spaced apart from each other are rotatably mounted between the left mounting plate (1) and the right mounting plate (2) via bearings. A reduction motor (6) is mounted on the outer side wall of the left mounting plate (1). The power output end of the reduction motor (6) is in transmission connection with the left end of the screw rod (5). A synchronous transmission member is provided on the outer side of the right mounting plate (2). The external spline shaft (4) and the right end of the screw rod (5) are in transmission connection via the synchronous transmission member. It also includes a movable seat (7), the lower end of the movable seat (7) is screwed to the screw rod (5) through an embedded nut seat (8), the upper end of the movable seat (7) is rotatably mounted with a mounting sleeve (9) through an embedded bearing, the interior of the mounting sleeve (9) is slidably mounted with the external spline shaft (4) through an embedded internal spline sleeve (10), the right end of the outer wall of the mounting sleeve (9) is rotatably sleeved with a cam (11), and a one-way transmission mechanism is provided between the mounting sleeve (9) and the cam (11); The front and rear sides of the movable seat (7) are movably provided with lifting rods (12), the tops of the lifting rods (12) on both sides are fixedly connected with upper connecting rods (13), the right side of the upper connecting rod (13) is provided with a roller (14) that abuts against the cam (11), the bottoms of the lifting rods (12) on both sides are connected with lower connecting rods (15), the outer wall of the lifting rod (12) is provided with a compression spring (16), the compression spring (16) abuts between the movable seat (7) and the lower connecting rod (15), and a hammer head (17) is fixedly installed in the middle of the bottom surface of the lower connecting rod (15); The one-way transmission mechanism comprises a ratchet (22) and a pawl (23), wherein the ratchet (22) is fixedly mounted on the right end portion of the mounting sleeve (9), and the pawl (23) is rotatably mounted on the right side wall of the cam (11). A spring-loaded plate (25) is fixedly mounted on the right side wall of the cam (11) via a mounting plate (24), and a suspended end of the spring-loaded plate (25) presses against a swinging end of the pawl (23) so as to keep the spring-loaded plate in contact with the ratchet (22). The roller height adjustment mechanism is further included, and the roller height adjustment mechanism includes a mounting seat (33) integrally connected to the right side of the upper connecting rod (13), a lifting adjustment groove (34) is provided on the top of the mounting seat (33), and a lifting sliding block (35) is provided in the lifting adjustment groove (34), and the two sides of the lifting sliding block (35) are slidably embedded and installed with the two side walls of the lifting adjustment groove (34), the wheel axle of the roller (14) is fixedly screwed to the side wall of the lifting sliding block (35), a cover plate (36) is fixedly installed on the top of the lifting adjustment groove (34), and an adjusting bolt (37) is threadedly connected to the cover plate (36), and an adjusting compression spring (38) is provided between the bottom of the lifting sliding block (35) and the bottom of the lifting adjustment groove (34).

2. A device for quickly checking the adhesion of a galvanized layer on a steel component according to claim 1, characterized in that: Guide rods (18) are respectively provided at the lower end of the movable seat (7) and on the front and rear sides of the screw rod (5). The movable seat (7) is slidably mounted on the guide rods (18) by embedding linear bearings (19).

3. A device for quickly testing the adhesion of a galvanized layer on a steel component according to claim 1, characterized in that: The synchronous transmission member comprises a driven gear (20) and a driving gear (21) respectively sleeved on the right end of the external spline shaft (4) and the screw rod (5), and the driven gear (20) and the driving gear (21) are meshed for transmission.

4. A device for quickly testing the adhesion of a galvanized layer on a steel component as claimed in claim 3, characterized in that: The transmission ratio of the driven gear (20) and the driving gear (21) is 1:2; the lead of the screw rod (5) is 2 mm.

5. A device for quickly testing the adhesion of a galvanized layer on a steel component according to claim 1, characterized in that: Limit sensors are respectively installed on the left mounting plate (1) and the right mounting plate (2) via sensor mounting plates.

6. A device for quickly testing the adhesion of a galvanized layer on a steel component according to claim 1, characterized in that: The invention also includes a mounting base (26), wherein the left mounting vertical plate (1) and the right mounting vertical plate (2) are fixedly mounted on the mounting base (26), a hammer head clearance opening (27) is provided in the middle of the mounting base (26), and magnetic seat clearance openings (28) are provided on the left and right sides of the mounting base (26); an outer cover (29) is sleeved and mounted on the mounting base (26), and a handle (30) is provided on the top of the outer cover (29); a circuit board (31) is mounted on the left side of the mounting base (26), and a battery (32) is mounted on the right side of the right mounting vertical plate (2).

7. A method for operating the device for quickly inspecting the adhesion of the zinc coating on steel components as claimed in claim 5, characterized in that: The following steps are involved: Step 1: The steel component galvanized layer adhesion quick detection device is adsorbed and fixed on the surface of the object to be tested; Step 2: Control the reduction motor (6) to rotate forward, drive the screw rod (5) to rotate forward, and drive the moving seat (7) to move left; Step 3: Every time the screw rod rotates two turns, the external spline shaft (4) rotates one turn synchronously, the one-way transmission mechanism takes effect, the cam (11) rotates, and drives the hammer head (17) to hammer; Step 4: Repeat steps 2-3 until the moving seat (7) touches the left limit sensor and the reduction motor (6) stops automatically, completing the hammering cycle. Step 5: Control the reduction motor (6) to reverse, drive the screw (5) to rotate in the opposite direction, drive the moving seat (7) to move right, the one-way transmission mechanism fails, and the hammer head (17) does not work until the moving seat (7) touches the right limit sensor, and the reduction motor (6) automatically stops and returns to the initial position.

8. The method for quickly testing the adhesion of the zinc coating on a steel component according to claim 7, wherein: In step 2, the moving seat (7) moves forward 4 mm for every two turns of the screw rod (5); In step 3, the cam (11) rotates one circle, and the hammer head (17) completes one hammering; In step 4, the number of cyclic hammering is five times.

Images