CN112067479A - Method for detecting connection firmness of steel structure connection node - Google Patents
Method for detecting connection firmness of steel structure connection node Download PDFInfo
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- CN112067479A CN112067479A CN202010966754.8A CN202010966754A CN112067479A CN 112067479 A CN112067479 A CN 112067479A CN 202010966754 A CN202010966754 A CN 202010966754A CN 112067479 A CN112067479 A CN 112067479A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
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- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention provides a method for detecting the connection firmness of a steel structure connection node, which is characterized in that the connection firmness of the steel structure connection node is detected by matching a bottom plate, a fixing device and a detection device; the method can solve the problems that the firmness of the steel structure members at different force arm positions cannot be detected in the firmness quality detection process of the steel structure members, which mainly exists in the firmness quality detection process of the connection nodes of the steel structure members at present, so that the firmness quality detection effect of the steel structure members is influenced, and the steel structure members cannot be conveniently deformed when the different force arms of the steel structure members are pressed for detection, so that the firmness detection of the steel structure member nodes is influenced; and the knocking efficiency is low in the process of detecting the firmness and quality of the existing steel structure connecting node, and the quality detection efficiency of the steel structure connecting node is influenced.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a method for detecting connection firmness of a steel structure connection node.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets.
The firmness of the welding joints of the welded steel structural member needs to be detected, and the steel structural member is prevented from being broken due to shaking and falling of the welding joints, so that the installation and the use of the steel structural member are influenced; however, the following problems mainly exist in the firmness quality detection process of the connection node of the current steel structural member: the firmness of the steel structure members at different force arm positions cannot be detected in the process of detecting the firmness quality of the connection nodes of the steel structure members, so that the firmness quality detection effect of the steel structure members is influenced, and the steel structure members cannot be conveniently deformed when the different force arms of the steel structure members are pressed for detection, so that the firmness detection of the nodes of the steel structure members is influenced; moreover, the knocking efficiency is low in the process of detecting the firmness and quality of the existing steel structure connecting node, and the quality detection efficiency of the steel structure connecting node is influenced.
Therefore, in order to ensure the accuracy of the firmness detection effect on the steel structure connection node, the invention provides a method for detecting the connection firmness of the steel structure connection node.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme, namely a method for detecting the connection firmness of the steel structure connection nodes, which specifically comprises the following steps of:
s1, fixing a steel structure: placing a steel structural member to be detected on a fixing device; fixing the glass substrate by a fixing device; and the stability of the steel structural member is ensured;
s2, detecting knocking of steel structure connecting nodes: adjusting the detection device to the position of a connecting node of the steel structure member, and performing cyclic reciprocating knocking on a welding node of the steel structure; data recording is carried out on firmness of the positions of the steel structure nodes in the node knocking process;
s3, steel structure connection point pressing detection: adjusting the force arms to different positions on the welding joint of the steel structure through the detection device, pressing the force arms of the steel structure through the side auxiliary unit, and recording the connection conditions of the connection points of the steel structure members at the pressing positions of the different force arms;
s4, data analysis: carrying out digital analysis on the recorded data to obtain the firmness strength of the connecting node of the steel structural member;
the step of detecting the connection firmness of the steel structure connection nodes in the steps S1-S4 of the connection firmness of the steel structure connection nodes needs to be completed by matching a bottom plate, a fixing device and a detection device; wherein:
the middle position of the upper end face of the bottom plate is provided with a fixing device, the outer side position of the upper end face of the bottom plate is provided with a detection device, and the detection device is positioned right above the fixing device; the peripheral angular positions at the upper end of the bottom plate are provided with fixing through holes; and the fixing device is fixed with a steel structure to be detected.
The detection device comprises a side plate, a lifting cylinder, a U-shaped clamping frame, an electric slider, a side auxiliary unit, a direction adjusting motor and a hammering unit; the curb plate symmetry set up on the bottom plate, the lift cylinder is installed to the upper end outer wall symmetry of curb plate, the top of lift cylinder install U type card frame, U type card frame lower extreme outer wall install electronic slider through the sliding fit mode, the lower extreme middle part of electronic slider is installed through the motor cabinet and is transferred to the motor, transfers to the output shaft of motor and installs the hammering unit through the shaft coupling, the lateral wall symmetry of electronic slider installs the side auxiliary unit.
The side auxiliary unit comprises a supporting plate, an auxiliary cylinder, a clamping frame, a clamping spring, a sliding frame and an auxiliary rolling disc; the lower end of the supporting plate is provided with an auxiliary cylinder, the top end of the auxiliary cylinder is provided with a clamping frame, the clamping frame is of a U-shaped structure, the inside of the clamping frame is provided with a sliding frame in a sliding fit mode, and the outer wall of the upper end of the sliding frame is connected with the inner wall of the clamping lap joint through a clamping spring; an auxiliary rolling disc is arranged on the inner wall of the lower end of the sliding frame through a bearing; the pressing of different force arm positions of the steel structural member is realized through the action of pushing the clamping and lapping frame by the auxiliary cylinder, so that the firmness of the steel structural member is convenient to observe; and the auxiliary rolling disc installed in a rolling manner is convenient for deformation of the steel structural member when the steel structural member is pressed, so that the connection condition of the steel structural member nodes is improved, and the firmness detection of the steel structural connection nodes is effectively guaranteed.
Preferably; the fixing device comprises a U-shaped lap joint frame, an adjusting screw, a driven wheel disc, a driving wheel disc, a transmission belt, a driving motor and a fixed clamping block; adjusting screws are symmetrically arranged on the U-shaped lap joint frame through bearings, the right end shaft heads of the adjusting screws are located on the outer wall of the right end of the U-shaped lap joint frame, and driven wheel discs are mounted on the outer wall of the right end shaft heads of the adjusting screws; the driving motor is installed on the side wall of the right end of the U-shaped lap joint frame through a motor base, an output shaft of the driving motor is provided with a driving wheel disc through a flange disc, and the driving wheel disc is connected with a driven wheel disc through a transmission belt; the fixed clamping blocks are symmetrically arranged on the adjusting screw rod in a threaded connection mode, and the fixed clamping blocks are connected with the inner wall of the bottom end of the U-shaped lap joint frame in a sliding fit mode; the driving motor works to drive the adjusting screw to rotate; make the fixed fixture block of upper end simultaneously be close to the motion each other to treat that the steel structural component who detects carries out firm fixed, prevent that steel structural component from taking place to rock when carrying out fastness detection to steel structural component's connected node, guaranteed steel structural component connected node's fastness data detection's accuracy.
Preferably; the hammering unit comprises a T-shaped guide cylinder, an execution cylinder, a limiting column, a limiting spring, an execution rod, a sliding block, a hammering clamping plate, an extension spring and a hammering module; the T-shaped guide cylinder is internally provided with an execution cylinder, the top end of the execution cylinder is connected to an execution rod, the limiting columns are symmetrically arranged on the side wall of the T-shaped guide cylinder, a limiting spring is sleeved on the outer wall of each limiting column, the execution rod is arranged on each limiting column in a sliding fit mode, the lower end of each execution rod is provided with a sliding block, each sliding block is arranged at the upper end of a hammering clamping plate in a sliding fit mode, each hammering clamping plate is of an inclined structure, and the left end of each hammering clamping plate is arranged on the inner wall of the lower end of the T-shaped guide cylinder through a pin shaft; the outer wall of the upper end of the hammering clamping plate is connected with the inner wall of the T-shaped guide cylinder through an arranged extension spring; the lower end of the hammering clamping plate is provided with a hammering module in a threaded connection mode; the reciprocating swing of the hammering clamping plate is adjusted by executing the reciprocating work of the air cylinder, the reciprocating knocking on the connecting node of the steel structural member is realized through the action of the hammering module, and the firmness of the connecting node of the steel structural member is conveniently detected through the arranged hammering unit; the detection efficiency of the steel structure member connection node is improved; thereby the detection effect of the steel structural member is ensured.
Preferably; the hammering module comprises a hammering head, a hammering spring and an auxiliary head; the lower end of the hammering head is symmetrically provided with sliding grooves, auxiliary heads are arranged in the sliding grooves of the hammering head in a sliding fit mode, and the auxiliary heads are connected with the inner walls of the sliding grooves of the hammering head through arranged hammering springs; the fixed steel structural member to be detected is knocked in a circulating and reciprocating mode through the reciprocating motion of the hammering module, and therefore firmness detection of the connection node of the steel structural member is achieved; determining the falling condition of the connecting node of the steel structural member.
Preferably; threads with opposite rotation directions are symmetrically arranged on the adjusting screw rod; the adjusting screw is symmetrically provided with threads with opposite turning directions, so that the fixing fixture block can be guaranteed to move simultaneously, the position of the steel structural member fixed by the fixing fixture block is centered, and the firmness of the steel structural member connecting node can be conveniently detected.
Preferably; a rubber pad is arranged on the side wall between the two opposite fixed clamping blocks on the adjusting screw rod; be provided with the rubber pad with the lateral wall between two relative fixed fixture blocks on the adjusting screw can avoid causing wearing and tearing to the outer wall of steel structural component, and it has guaranteed the integrality of steel structural component structure.
The invention has the beneficial effects that:
the auxiliary air cylinder pushes the clamping frame to press different force arm positions of the steel structural member, so that the firmness of the steel structural member can be observed conveniently; the auxiliary rolling disc which is installed in a rolling mode is convenient for deformation of the steel structural member when the steel structural member is pressed, so that the connection condition of the nodes of the steel structural member is improved, and firmness detection of the steel structural connection nodes is effectively guaranteed;
the driving motor works to drive the adjusting screw to rotate; the fixing fixture blocks at the upper ends are enabled to move close to each other at the same time, so that the steel structural member to be detected is firmly fixed, the steel structural member is prevented from shaking when firmness detection is carried out on the connection nodes of the steel structural member, and the firmness data detection accuracy of the connection nodes of the steel structural member is ensured;
thirdly, the firmness of the connection node of the steel structural member is convenient to detect through the arranged hammering unit; the detection efficiency of the steel structure member connection node is improved; thereby the detection effect of the steel structural member is ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the connection firmness detection of the steel structure connection node of the present invention;
FIG. 2 is a front cross-sectional view of the invention between the base plate, the fixture and the detection device;
FIG. 3 is a top view of the present invention between the base plate and the fixture;
fig. 4 is a partial enlarged view of the invention at a in fig. 2.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
As shown in fig. 1 to 4, a method for detecting the connection firmness of a steel structure connection node specifically includes the following steps:
s1, fixing a steel structure: placing a steel structural member to be detected on the fixing device 2; it is fixed by the fixing device 2; and the stability of the steel structural member is ensured;
s2, detecting knocking of steel structure connecting nodes: the detection device 3 is adjusted to the position of the connecting node of the steel structure member, and the welding node of the steel structure is knocked in a circulating and reciprocating manner; data recording is carried out on firmness of the positions of the steel structure nodes in the node knocking process;
s3, steel structure connection point pressing detection: adjusting the steel structure welding joint to the force arms at different positions through the detection device 3, pressing the force arms of the steel structure through the side auxiliary unit 35, and recording the connection conditions of the connection point positions of the steel structure members at the pressing positions of the different force arms;
s4, data analysis: carrying out digital analysis on the recorded data to obtain the firmness strength of the connecting node of the steel structural member;
the step of detecting the connection firmness of the steel structure connection nodes in the steps S1-S4 of the connection firmness of the steel structure connection nodes needs to be completed by the matching of the bottom plate 1, the fixing device 2 and the detection device 3; wherein:
a fixing device 2 is arranged in the middle of the upper end face of the bottom plate 1, a detection device 3 is arranged at the outer side of the upper end face of the bottom plate 1, and the detection device 3 is arranged right above the fixing device 2; the four peripheral angular positions of the upper end of the bottom plate 1 are provided with fixing through holes; and the steel structure to be detected is fixed on the fixing device 2.
The fixing device 2 comprises a U-shaped lap joint frame 21, an adjusting screw 22, a driven wheel disc 23, a driving wheel disc 24, a transmission belt 25, a driving motor 26 and a fixing fixture block 27; the U-shaped lapping frame 21 is symmetrically provided with adjusting screws 22 through bearings, the right end shaft heads of the adjusting screws 22 are positioned on the outer wall of the right end of the U-shaped lapping frame 21, and the outer wall of the right end shaft heads of the adjusting screws 22 is provided with a driven wheel disc 23; the adjusting screw 22 is symmetrically provided with threads with opposite rotation directions; the threads with opposite rotation directions are symmetrically arranged on the adjusting screw 22, so that the fixing fixture blocks 27 can be ensured to move simultaneously, the position of the steel structural member fixed by the fixing fixture blocks 27 is centered, and the firmness detection of the steel structural member connecting nodes is facilitated; the driving motor 26 is mounted on the right end side wall of the U-shaped lapping frame 21 through a motor base, an output shaft of the driving motor 26 is provided with a driving wheel disc 24 through a flange disc, and the driving wheel disc 24 is connected with the driven wheel disc 23 through a transmission belt 25; the fixed fixture blocks 27 are symmetrically arranged on the adjusting screw 22 in a threaded connection mode, and the fixed fixture blocks 27 are connected with the inner wall of the bottom end of the U-shaped lapping frame 21 in a sliding fit mode; a rubber pad is arranged on the side wall between the two opposite fixed clamping blocks 27 on the adjusting screw 22; the rubber pads are arranged on the side wall between the two opposite fixed fixture blocks 27 on the adjusting screw 22, so that the abrasion to the outer wall of the steel structural member can be avoided, and the structural integrity of the steel structural member is ensured; the adjusting screw 22 is driven to rotate by the operation of the driving motor 26; make the fixed fixture block 27 of upper end simultaneously be close to the motion each other to treat that the steel structural component who detects carries out firm fixed, prevent that steel structural component from taking place to rock when carrying out fastness detection to steel structural component's connected node, guaranteed the accuracy that steel structural component connected node's fastness data detected.
The detection device 3 comprises a side plate 31, a lifting cylinder 32, a U-shaped clamping frame 33, an electric slide block 34, a side auxiliary unit 35, a direction adjusting motor 36 and a hammering unit 37; curb plate 31 symmetry set up on bottom plate 1, lift cylinder 32 is installed to the upper end outer wall symmetry of curb plate 31, lift cylinder 32's top install U type card frame 33, U type card frame 33 lower extreme outer wall install electronic slider 34 through the sliding fit mode, the lower extreme middle part of electronic slider 34 is installed through the motor cabinet and is transferred to motor 36, transfers to the output shaft of motor 36 and installs hammering unit 37 through the shaft coupling, side auxiliary unit 35 is installed to electronic slider 34's lateral wall symmetry.
The side auxiliary unit 35 comprises a support plate 351, an auxiliary cylinder 352, a clamping frame 353, a clamping spring 354, a sliding frame 355 and an auxiliary rolling disc 356; an auxiliary cylinder 352 is mounted at the lower end of the supporting plate 351, a clamping frame 353 is mounted at the top end of the auxiliary cylinder 352, the clamping frame 353 is of a U-shaped structure, a sliding frame 355 is mounted inside the clamping frame 353 in a sliding fit mode, and the outer wall of the upper end of the sliding frame 355 is connected with the inner wall of the clamping frame in a matched mode through a clamping spring 354; an auxiliary rolling disc 356 is mounted on the inner wall of the lower end of the sliding frame 355 through a bearing; the pressing on different force arm positions of the steel structural member is realized by the action of pushing the clamping bridging frame 353 through the auxiliary cylinder 352, so that the firmness of the steel structural member is conveniently observed; and the auxiliary rolling disc 356 installed in a rolling manner is convenient for deformation of the steel structural member when the steel structural member is pressed, so that the connection condition of the steel structural member nodes is improved, and the firmness detection of the steel structural connection nodes is effectively ensured.
The hammering unit 37 comprises a T-shaped guide tube 371, an actuating cylinder 372, a limiting column 373, a limiting spring 374, an actuating rod 375, a sliding block 376, a hammering clamping plate 377, an extension spring 378 and a hammering module 379; an execution cylinder 372 is arranged in the T-shaped guide tube 371, the top end of the execution cylinder 372 is connected to an execution rod 375, the limiting columns 373 are symmetrically arranged on the side wall of the T-shaped guide tube 371, a limiting spring 374 is sleeved on the outer wall of each limiting column 373, the execution rod 375 is arranged on each limiting column 373 in a sliding fit mode, a sliding block 376 is arranged at the lower end of each execution rod 375, the sliding block 376 is arranged at the upper end of a hammering clamping plate 377 in a sliding fit mode, the hammering clamping plate 377 is of an inclined structure, and the left end of the hammering clamping plate 377 is arranged on the inner wall of the lower end of the T-shaped guide tube 371 through a pin shaft; the outer wall of the upper end of the hammering clamping plate 377 is connected with the inner wall of the T-shaped guide tube 371 through an extension spring 378; the lower end of the hammering clamping plate 377 is provided with a hammering module 379 in a threaded connection mode; the reciprocating work of the execution cylinder 372 is carried out to adjust the reciprocating swing of the hammering clamping plate 377, the reciprocating knocking on the connecting node of the steel structural member is realized through the action of the hammering module 379, and the firmness of the connecting node of the steel structural member is conveniently detected through the arranged hammering unit 37; the detection efficiency of the steel structure member connection node is improved; thereby the detection effect of the steel structural member is ensured.
The hammering module 379 comprises a hammering head 3791, a hammering spring 3792 and an auxiliary head 3793; sliding grooves are symmetrically formed in the lower end of the hammering head 3791, an auxiliary head 3793 is arranged in the sliding groove of the hammering head 3791 in a sliding fit mode, and the auxiliary head 3793 is connected with the inner wall of the sliding groove of the hammering head 3791 through a hammering spring 3792; the hammering module 379 reciprocates to carry out the knocking work of cyclic reciprocation on the fixed steel structural member to be detected, so that the firmness detection of the steel structural member connecting node is realized; determining the falling condition of the connecting node of the steel structural member.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A steel structure connecting node connection firmness detection method is characterized by comprising the following steps: the method specifically comprises the following steps of detecting the connection firmness of the steel structure connection node:
s1, fixing a steel structure: placing a steel structural member to be detected on the fixing device (2); the fixing device (2) is used for fixing the glass tube; and the stability of the steel structural member is ensured;
s2, detecting knocking of steel structure connecting nodes: the detection device (3) is adjusted to the position of the connecting node of the steel structure member, and the welding node of the steel structure is knocked in a circulating and reciprocating manner; data recording is carried out on firmness of the positions of the steel structure nodes in the node knocking process;
s3, steel structure connection point pressing detection: the force arms at different positions on the welding joint of the steel structure are adjusted through the detection device (3), the force arms of the steel structure are pressed through the side auxiliary unit (35), and the connection conditions of the connection points of the steel structure members at the pressing positions of the different force arms are recorded;
s4, data analysis: carrying out digital analysis on the recorded data to obtain the firmness strength of the connecting node of the steel structural member;
the step of detecting the connection firmness of the steel structure connection nodes in the steps S1-S4 of the connection firmness of the steel structure connection nodes needs to be completed by matching the bottom plate (1), the fixing device (2) and the detection device (3); wherein:
the middle position of the upper end face of the bottom plate (1) is provided with a fixing device (2), the outer side position of the upper end face of the bottom plate (1) is provided with a detection device (3), and the detection device (3) is positioned right above the fixing device (2); the four peripheral angular positions of the upper end of the bottom plate (1) are provided with fixing through holes; the fixing device (2) is fixed with a steel structure to be detected;
the detection device (3) comprises a side plate (31), a lifting cylinder (32), a U-shaped clamping frame (33), an electric slider (34), a side auxiliary unit (35), a direction adjusting motor (36) and a hammering unit (37); the side plates (31) are symmetrically arranged on the bottom plate (1), lifting cylinders (32) are symmetrically arranged on the outer wall of the upper end of each side plate (31), a U-shaped clamping frame (33) is arranged at the top end of each lifting cylinder (32), an electric slider (34) is arranged on the outer wall of the lower end of each U-shaped clamping frame (33) in a sliding fit mode, a direction adjusting motor (36) is arranged in the middle of the lower end of each electric slider (34) through a motor base, a hammering unit (37) is arranged on an output shaft of each direction adjusting motor (36) through a coupler, and side auxiliary units (35) are symmetrically arranged on the side walls of each electric slider (34);
the side auxiliary unit (35) comprises a supporting plate (351), an auxiliary cylinder (352), a clamping frame (353), a clamping spring (354), a sliding frame (355) and an auxiliary rolling disc (356); an auxiliary cylinder (352) is installed at the lower end of the supporting plate (351), a clamping frame (353) is installed at the top end of the auxiliary cylinder (352), the clamping frame (353) is of a U-shaped structure, a sliding frame (355) is installed inside the clamping frame (353) in a sliding fit mode, and the outer wall of the upper end of the sliding frame (355) is connected with the inner wall of the clamping lap joint through a clamping spring (354); an auxiliary rolling disc (356) is arranged on the inner wall of the lower end of the sliding frame (355) through a bearing.
2. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the fixing device (2) comprises a U-shaped lap joint frame (21), an adjusting screw (22), a driven wheel disc (23), a driving wheel disc (24), a transmission belt (25), a driving motor (26) and a fixing fixture block (27); adjusting screws (22) are symmetrically arranged on the U-shaped lap joint frame (21) through bearings, the right end shaft heads of the adjusting screws (22) are located on the outer wall of the right end of the U-shaped lap joint frame (21), and driven wheel discs (23) are mounted on the outer wall of the right end shaft heads of the adjusting screws (22); the driving motor (26) is installed on the side wall of the right end of the U-shaped lap joint frame (21) through a motor base, an output shaft of the driving motor (26) is provided with a driving wheel disc (24) through a flange plate, and the driving wheel disc (24) is connected with the driven wheel disc (23) through a transmission belt (25); the fixed clamping blocks (27) are symmetrically arranged on the adjusting screw rod (22) in a threaded connection mode, and the fixed clamping blocks (27) are connected with the inner wall of the bottom end of the U-shaped lap joint frame (21) in a sliding fit mode.
3. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the hammering unit (37) comprises a T-shaped guide cylinder (371), an execution cylinder (372), a limiting column (373), a limiting spring (374), an execution rod (375), a sliding block (376), a hammering clamping plate (377), an extension spring (378) and a hammering module (379); the top end of an execution cylinder (372) and the top end of the execution cylinder (372) are connected to an execution rod (375) in the T-shaped guide cylinder (371), the limiting columns (373) are symmetrically arranged on the side wall of the T-shaped guide cylinder (371), a limiting spring (374) is sleeved on the outer wall of each limiting column (373), the execution rod (375) is installed on the limiting columns (373) in a sliding fit mode, a sliding block (376) is installed at the lower end of each execution rod (375), the sliding block (376) is installed at the upper end of a hammering clamping plate (377) in a sliding fit mode, the hammering clamping plate (377) is of an inclined structure, and the left end of the hammering clamping plate (377) is installed on the inner wall of the lower end of the T-shaped guide cylinder (371) through a pin shaft; the outer wall of the upper end of the hammering clamping plate (377) is connected with the inner wall of the T-shaped guide cylinder (371) through an extension spring (378); the lower end of the hammering clamping plate (377) is provided with a hammering module (379) in a threaded connection mode.
4. The method for detecting the connection firmness of the steel structure connection node according to claim 1, wherein the method comprises the following steps: the hammering module (379) comprises a hammering head (3791), a hammering spring (3792) and an auxiliary head (3793); the lower end of the hammering head (3791) is symmetrically provided with sliding grooves, auxiliary heads (3793) are arranged in the sliding grooves of the hammering head (3791) in a sliding fit mode, and the inner walls of the sliding grooves of the auxiliary heads (3793) and the hammering head (3791) are connected through hammering springs (3792).
5. The method for detecting the connection firmness of the steel structure connection node according to claim 2, wherein the method comprises the following steps: the adjusting screw rod (22) is symmetrically provided with threads with opposite rotating directions.
6. The method for detecting the connection firmness of the steel structure connection node according to claim 2, wherein the method comprises the following steps: and a rubber pad is arranged on the side wall between the two opposite fixed clamping blocks (27) on the adjusting screw rod (22).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203643A (en) * | 2021-04-30 | 2021-08-03 | 任菊华 | Steel structure firmness detection system and detection method |
| CN113605529A (en) * | 2021-07-02 | 2021-11-05 | 深圳雅鑫建筑钢结构工程有限公司 | Construction and installation method for steel structure of super high-rise building |
-
2020
- 2020-09-15 CN CN202010966754.8A patent/CN112067479A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203643A (en) * | 2021-04-30 | 2021-08-03 | 任菊华 | Steel structure firmness detection system and detection method |
| CN113203643B (en) * | 2021-04-30 | 2022-11-18 | 上海新建设工程咨询有限公司 | Steel structure firmness detection system and detection method |
| CN113605529A (en) * | 2021-07-02 | 2021-11-05 | 深圳雅鑫建筑钢结构工程有限公司 | Construction and installation method for steel structure of super high-rise building |
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