Steel bar welding equipment for building

Abstract

The invention relates to the technical field of steel bar welding, and discloses building steel bar welding equipment which comprises a shell, a first fixing plate is fixedly connected to the front end of the shell, a first sliding block is fixedly connected to the outer wall of the shell, a hollow plate is fixedly connected to the top of the shell, and a first sliding groove is formed in the inner wall of the hollow plate; a first sliding groove is formed in the outer shell, a pushing assembly is movably connected to the inner wall of the first sliding groove, a movable plate is movably connected to the inner wall of the outer shell, and a bottom plate is fixedly connected to the bottom of the movable plate. In this way, after the deflection assembly rotates, the reinforcing steel bar extending upwards can be in a vertical state, the moving range of the deflection assembly is limited through the second penetrating groove and the first sliding block, it is ensured that the reinforcing steel bar does not deviate in the descending process, the position of the reinforcing steel bar is ensured, and the welding effect of equipment is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of steel bar welding, in particular to steel bar welding equipment for construction. Background Art

[0002] Electric welders use a high-temperature arc generated by a momentary short circuit between the positive and negative electrodes to melt the solder on the electrode and the material being welded, thereby bonding the two objects. Their structure is quite simple: a high-power transformer. Electric welders are generally categorized by the type of power supply: AC and DC. They utilize the principle of inductance, which produces a significant voltage change when connected and disconnected. The high-voltage arc generated by the momentary short circuit between the positive and negative electrodes melts the solder on the electrode, bonding the atoms together.

[0003] The patent application with application number CN202110999713.3 discloses a steel bar welding equipment for construction, including a support base and a shell. The support base is installed at the bottom end of the shell, and a carrying handle is provided at the top end of the shell. The carrying handle is fixed to the shell by bolts. A terminal is provided near the bottom of the front end of the shell, and a switch and a current regulator are provided on the upper side of the terminal, so as not to affect the transportation and use of the entire steel bar welding equipment for construction when needed.

[0004] When welding steel bars on construction sites, most of the time, the steel bars that have been embedded in cement are pulled up, and electric heating welding is often used to weld two steel bars together. During welding, the steel bars are mostly supported manually, which makes it easy for the angle and position of the steel bars to shift during the welding process, resulting in a decrease in welding accuracy. Summary of the Invention

[0005] The object of the present invention is to provide a steel bar welding device for construction to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a steel bar welding device for construction, comprising a shell, a front end of the shell being fixedly connected to a fixed plate, an outer wall of the shell being fixedly connected to a slider, a top of the shell being fixedly connected to a hollow plate, an inner wall of the hollow plate being provided with a slide groove, an inner wall of the slide groove being movably connected to a pushing assembly, a movable plate being movably connected to the inner wall of the shell, a bottom of the movable plate being fixedly connected to a base plate, an end of the shell away from the fixed plate being threadedly connected to a fixing bolt, and during use of the device, as the movable plate slides, the base plate comes into contact with the ground, and at this time, pressure is applied to the movable plate by rotating and tightening the fixing bolt to activate the fixing effect, and the device further comprises:

[0007] The protective mechanism comprises a base 1 fixedly connected to the top of the hollow plate, the top of the base 1 is fixedly connected to a lifting plate, the top of the lifting plate is fixedly connected to a placement port, the inner wall of the placement port is fixedly connected to a storage tank, the front end of the base 1 is fixedly connected to an arc-shaped plate 2, the end of the arc-shaped plate 2 away from the base 1 is fixedly connected to a connecting head, the outer wall of the base 1 is fixedly connected to a sliding plate 1, and the inner wall of the sliding plate 1 is movably connected to a connecting plate 2, and by arranging the connecting plate 2, space is provided for the front and rear ends of the arc-shaped plate 1 to facilitate the opening and closing of the arc-shaped plate 1, the front end of the connecting plate 2 is fixedly connected to a rotating plate, the front end of the base 1 is provided with an arc-shaped plate 1, both ends of the arc-shaped plate 1 are fixedly connected to a connecting plate 3, and the end of the rotating plate away from the connecting plate 2 is fixedly connected to the connecting plate 3.

[0008] According to the above technical solution, the end of the connecting plate 2 away from the rotating plate is fixedly connected to the right-angle plate 1, the end of the right-angle plate 1 away from the connecting plate 2 is fixedly connected to the sliding plate 2, the top of the connecting plate 2 is fixedly connected to the right-angle plate 2, the end of the right-angle plate 2 away from the connecting plate 2 is fixedly connected to the partition, the top of the partition is movably connected to the lifting plate, and the bottom of the partition is movably connected to the base 1. When the arc plate 1 is opened, the unopened end of the partition will block the placement port and the arc groove at the bottom to avoid leakage of the flux in the placement tank. When the arc plate 1 is opened, the opening on the partition will coincide with the placement port and the entrance of the arc groove, making it convenient for the flux to enter between the two arc plates.

[0009] According to the above technical solution, a through groove 2 is provided on the outer wall of the base one, and the through groove 2 penetrates the base one and extends to the front end of the arc plate 2. The inner wall of the through groove 2 is movably connected to the sliding plate 2. An arc groove is provided on the top of the base one, and the arc groove penetrates the base one and extends to the front end of the arc plate 2. Since the outlet of the arc groove in the protective mechanism is higher than the through groove 2, and since the through groove 2 is used to limit the position of the sliding plate 2, when the equipment is in use, the top of the bottom steel bar will be restricted to the vicinity of the through groove 2. In this way, when the flux is discharged from the arc groove, the flux can fall on the top of the steel bar, avoiding the flux spilling around the steel bar and failing to provide assistance for the welding of the steel bar.

[0010] According to the above technical solution, the pushing component includes a movable column 1, and the upper and lower ends of the movable column 1 are fixedly connected to a slider 2. The outer wall of the slider 2 is movably connected to a slide groove 1. The outer wall of the movable column 1 is provided with a slide groove 2. As the connecting column rotates, the position of the movable column 2 will be driven to change, and then the slide groove 2 is pushed by the movable column 2 to change the position of the power head 1. The inner wall of the movable column 1 is movably connected to the sliding column, and the outer wall of the sliding column is fixedly connected to the connecting plate 1.

[0011] According to the above technical solution, the outer wall of the connecting plate 1 is movably connected to the hollow plate, the outer wall of the sliding column is sleeved with a spring, one end of the spring is fixedly connected to the movable column, the end of the spring away from the movable column is fixedly connected to the connecting plate 1, and the end of the connecting plate 1 away from the movable column is fixedly connected to the power supply head 1. Through the setting of the spring and the sliding column, a buffer space is provided for the movement of the connecting head, ensuring that the power supply head is normally connected to the steel bar without affecting the normal movement of the equipment.

[0012] According to the above technical solution, the inner wall of the slide groove two is movably connected with the movable column two, and both ends of the movable column two are fixedly connected with connecting columns, and the outer walls of the two connecting columns are rotatably connected to the hollow plate through bearings, and the ends of the two connecting columns away from the movable column two are fixedly connected with a circular plate, and the outer walls of the two circular plates are provided with a through groove one, and the inner wall of the through groove one is movably connected with a deflection mechanism, and the two circular plates are fixedly connected with a slider three on the side away from the connecting column. As the deflection mechanism deflects, the position of the movable column two is driven to change through the circular plate and the connecting column. In this way, the steel bars below will be energized only after the deflection assembly completes the deflection, ensuring that the staff will not get electric shock due to operational errors when using the equipment, thereby ensuring the safety of the equipment.

[0013] According to the above technical solution, the deflection mechanism includes a base 2, the top of the base 2 is fixedly connected to a fixed plate 2, the front end of the base 2 is fixedly connected to an elastic component, and the top of the elastic component is fixedly connected to a power supply head 2.

[0014] According to the above technical solution, the outer wall of the base two is fixedly connected to the connecting plate four, the outer wall of the connecting plate four is fixedly connected to the slide plate, the inner wall of the slide plate is movably connected to the slider three, the outer wall of the connecting plate four is provided with a slide groove three, the outer wall of the slide groove three is movably connected to the through groove two, the inner wall of the slide groove three is movably connected to the slider one, and the outer wall of the slide groove three is provided with a notch.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention sets a deflection mechanism. When the operator needs to weld two steel bars together, the steel bars are fixed on the second base. In this way, the upward extending steel bars can be kept in a vertical state after the deflection assembly rotates. The movement range of the deflection assembly is limited by the second through-groove and the first slider to ensure that the steel bars will not deviate during the descent process, thereby ensuring the position of the steel bars and improving the welding effect of the equipment.

[0017] 2. The present invention further limits the movement range of the deflection assembly by providing a slide plate on the deflection mechanism, thereby preventing the deflection assembly from falling off the device during operation and ensuring the normal use of the device.

[0018] 3. The present invention sets a pushing component, and the steel bars below will be energized only after the deflection component completes deflection, ensuring that the staff will not get electric shock due to operating errors when using the equipment, thereby ensuring the safety of the equipment.

[0019] 4. The present invention ensures that the bottom of the device is supported when the device is in use by providing a movable plate and fixing bolts, thereby preventing the device from being offset as a whole due to its own weight, which affects the welding angle of the device and improves the welding effect of the device.

[0020] 5. The present invention can control the fixed height of the equipment by setting a sliding plate 2 in the protection mechanism, ensuring that the top of the bottom steel bar can be inside the protection mechanism. In this way, when welding the steel bars, high-temperature debris generated by welding is prevented from being ejected to the outside and causing harm to the operator, thereby ensuring the safety of the equipment.

[0021] 6. The present invention provides a protective mechanism. When the equipment is in use, after the arc plate 1 is closed, the sliding plate 2 will move backward without affecting the fit between the upper steel bars and the bottom steel bars. At the same time, as the arc plate 1 is closed, the switch of the storage tank bottom plate is turned on, and there is no need for the staff to add flux to the equipment separately, avoiding the sputtering of flux caused by high temperature and causing harm to the staff, thereby further improving the safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the rear side of the overall structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the bottom structure of the present invention;

[0026] Figure 4 is a cross-sectional view of the bottom structure of the present invention;

[0027] Figure 5 It is a rotational motion state diagram of the deflection mechanism of the present invention;

[0028] Figure 6 This is a diagram showing the descending motion state of the deflection mechanism of the present invention;

[0029] Figure 7 is a schematic diagram of a push assembly of the present invention;

[0030] Figure 8 This is a schematic diagram of the bottom structure of the push assembly of the present invention;

[0031] Figure 9 This is a schematic diagram of the rotation structure of the push assembly of the present invention;

[0032] Figure 10 It is a schematic diagram of the protection mechanism of the present invention;

[0033] Figure 11 It is the motion state diagram of the protection mechanism of the present invention;

[0034] Figure 12 It is a schematic diagram of the internal structure of the protection mechanism of the present invention;

[0035] Figure 13 It is a schematic diagram of the external structure of the protection mechanism of the present invention;

[0036] Figure 14 is a schematic diagram of the deflection mechanism of the present invention;

[0037] Figure 15 This invention Figure 14 A magnified view of middle A;

[0038] In the figure: 1. Housing; 101. Fixed plate 1; 102. Slider 1; 103. Hollow plate; 104. Slide 1; 105. Movable plate; 106. Bottom plate; 107. Fixing bolt; 11. Pushing assembly; 111. Movable column 1; 112. Slider 2; 113. Slide 2; 114. Sliding column; 115. Spring; 116. Connecting plate 1; 117. Power supply head 1; 118. Movable column 2; 119. Connecting column; 1110. Circular plate; 1111. Through slot 1; 1112. Slider 3; 2. Protective mechanism; 201. Base 1; 202. Lifting plate; 203. Connecting Head; 204, sliding plate one; 205, connecting plate two; 206, rotating plate; 207, arcuate plate one; 208, connecting plate three; 209, through-slot two; 2010, arcuate slot; 2011, placement port; 2012, storage tank; 2013, arcuate plate two; 2014, right-angle plate one; 2015, right-angle plate two; 2016, partition; 2017, sliding plate two; 3, deflection mechanism; 301, base two; 302, fixed plate two; 303, elastic component; 304, power-on head two; 305, connecting plate four; 306, slide plate; 307, slide three; 308, notch. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0040] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but are not to be construed as limiting the present invention.

[0041] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0042] Example 1: See Figure 1 - Figure 9 The present invention provides a technical solution: a steel bar welding device for construction, comprising a shell 1, a fixed plate 101 being fixedly connected to the front end of the shell 1, a slider 102 being fixedly connected to the outer wall of the shell 1, a hollow plate 103 being fixedly connected to the top of the shell 1, a slide groove 104 being provided on the inner wall of the hollow plate 103, a pushing component 11 being movably connected to the inner wall of the slide groove 104, a movable plate 105 being movably connected to the inner wall of the shell 1, a bottom plate 106 being fixedly connected to the bottom of the movable plate 105, and a fixing bolt 107 being threadedly connected to one end of the shell 1 away from the fixed plate 101.

[0043] The pushing assembly 11 includes a movable column 111, the upper and lower ends of the movable column 111 are fixedly connected to a slider 2 112, the outer wall of the slider 2 112 is movably connected to the slide groove 104, the outer wall of the movable column 111 is provided with a slide groove 2 113, the inner wall of the movable column 111 is movably connected to the sliding column 114, the outer wall of the sliding column 114 is fixedly connected to the connecting plate 116, the outer wall of the connecting plate 116 is movably connected to the hollow plate 103, the outer wall of the sliding column 114 is provided with a spring 115, one end of the spring 115 is fixedly connected to the movable column, and the end of the spring 115 away from the movable column is fixedly connected to the connecting plate 116, The end of plate 116 away from the movable column is fixedly connected to the power supply head 117, the inner wall of the slide groove 2 113 is movably connected to the movable column 2 118, both ends of the movable column 2 118 are fixedly connected to the connecting column 119, the outer walls of the two connecting columns 119 are rotatably connected to the hollow plate 103 through bearings, the ends of the two connecting columns 119 away from the movable column 2 118 are fixedly connected to the circular plate 1110, the outer walls of the two circular plates 1110 are provided with a through groove 1111, the inner wall of the through groove 1111 is movably connected to the deflection mechanism 3, and the side of the two circular plates 1110 away from the connecting column 119 is fixedly connected to the slider 3 1112.

[0044] The working principle of this embodiment is as follows: when it is necessary to weld the steel bar, the top of the bottom steel bar is put into the protection mechanism 2, and the steel bar is fixed by the fixing plate 101. At the same time, when the steel bar is fixed, the movable plate 105 is moved downward so that the bottom is in contact with the ground. Then the fixing bolt 107 is tightened. The pressure of the fixing bolt 107 on the movable plate 105 fixes the position of the movable plate 105 so that the bottom of the device is supported. After completing the above process, the protection component is closed, and another steel bar is fixed in the deflection mechanism 3. Then, the rotating Turn the deflection mechanism 3 so that the bottom of the top steel bar is also embedded in the protection mechanism 2. At this time, as the deflection mechanism 3 rotates, the circular plate 1110 will be driven to rotate through the through slot 209. The rotating circular plate 1110 will drive the movable column 2 118 to move through the connecting column 119. The moving movable column 2 118 will drive the movable column 1 111 to move forward through the slide slot 2 113. The moving movable column 1 111 pushes the connecting plate 1 116 through the spring 115, so that the power head 117 contacts the bottom steel bar. At this time, the equipment is powered on to weld the two steel bars.

[0045] Example 2: Based on Example 1, please refer to Figure 10 - Figure 13The protection mechanism 2 includes a base 201 fixedly connected to the top of the hollow plate 103, a lifting plate 202 fixedly connected to the top of the base 201, a placement port 2011 fixedly connected to the top of the lifting plate 202, a storage tank 2012 fixedly connected to the inner wall of the placement port 2011, a front end of the base 201 fixedly connected to an arc-shaped plate 2013, an end of the arc-shaped plate 2013 away from the base 1 201 fixedly connected to the connector 203, an outer wall of the base 1 201 fixedly connected to a sliding plate 204, an inner wall of the sliding plate 1 204 movably connected to a connecting plate 205, a front end of the connecting plate 205 fixedly connected to a rotating plate 206, a front end of the base 1 201 is provided with an arc-shaped plate 207, both ends of the arc-shaped plate 1 207 are fixedly connected to a connecting plate 3 208, and an end of the rotating plate 206 away from the connecting plate 205 is fixedly connected to the connecting plate 3 208 The end of the second connecting plate 205 away from the rotating plate 206 is fixedly connected to the right-angle plate 1 2014, the end of the right-angle plate 1 2014 away from the second connecting plate 205 is fixedly connected to the sliding plate 2017, the top of the second connecting plate 205 is fixedly connected to the right-angle plate 2015, the end of the second right-angle plate 2015 away from the second connecting plate 205 is fixedly connected to the partition 2016, the top of the partition 2016 is movably connected to the lifting plate 202, and the partition The bottom of plate 2016 is movably connected to base 1 201, and the outer wall of base 1 201 is provided with a through groove 209, which penetrates base 1 201 and extends to the front end of arc plate 2013. The inner wall of through groove 209 is movably connected to sliding plate 2017, and the top of base 1 201 is provided with an arc groove 2010, which penetrates base 1 201 and extends to the front end of arc plate 2013.

[0046] The working principle of this embodiment is as follows: when the device needs to be installed on the steel bar, the arc plate 1 207 needs to be opened first, and the storage tank 2012 needs to be filled with flux and installed at the placement port 2011 on the lifting plate 202. At this time, the top of the steel bar is fitted with the bottom of the sliding plate 2017, and the device is fixed to the steel bar through the fixing plate 1 101. After the fixing operation is completed, the rotating plate 206 is rotated to change the direction of the arc plate 1 207, and then the arc plate 1 207 is pushed back to fit the arc plate 2 2013. The movement of the arc plate 1 207 will drive the connecting plate 2 205 to move backward, and the moving connecting plate 205 will drive the right-angle plate 1 2014 and the right-angle plate 2 2015 to move backward together. When the connecting plate 1 116 moves, the sliding plate 2 2017 will also move backward, so that the top of the steel bar is no longer blocked, ensuring the subsequent welding effect, and the movement of the right-angle plate 2 2015 will drive the partition 2016 to move, releasing the blockage of the opening position of the placement port 2011, so that the flux can fall from the arc groove 2010 to the top of the steel bar.

[0047] Example 3: Based on Example 1, please refer to Figure 14 - Figure 15 The deflection mechanism 3 includes a base 2 301, a fixed plate 2 302 is fixedly connected to the top of the base 2 301, an elastic component 303 is fixedly connected to the front end of the base 2 301, and an electrification head 2 304 is fixedly connected to the top of the elastic component 303. When the staff places the steel bar on the base 2 301, the electrification head 2 304 at the bottom will fit on the steel bar under the elastic force of the elastic component 303, and automatically complete the operation of electrifying the steel bar without the staff having to connect the wires separately.

[0048] The working principle of this embodiment is as follows: after completing the fixation of the bottom steel bars on the equipment, the case to be extended is fixed on the base 2 301 and fixed by the fixing plate 2 302. After the fixation is completed, the deflection assembly is lifted and the deflection assembly is rotated with the connecting column 119 as the center. The rotating deflection assembly allows the slider 102 to enter the slide groove 3 307 from the notch 308, so that the deflection is deflected into a vertical state, and the vertical movement trajectory of the deflection mechanism 3 is also limited by the slider 102 and the through groove 2 209. Then, the deflection assembly is moved downward to allow the bottom end of the top steel bar to fit with the steel bar below. Then, the equipment is powered on and the steel bar is welded.

[0049] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0050] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A steel bar welding device for construction, comprising a shell (1), wherein the front end of the shell (1) is fixedly connected to a fixed plate (101), the outer wall of the shell (1) is fixedly connected to a slider (102), the top of the shell (1) is fixedly connected to a hollow plate (103), the inner wall of the hollow plate (103) is provided with a slide groove (104), the inner wall of the slide groove (104) is movably connected to a pushing component (11), the inner wall of the shell (1) is movably connected to a movable plate (105), the bottom of the movable plate (105) is fixedly connected to a bottom plate (106), and one end of the shell (1) away from the fixed plate (101) is threadedly connected to a fixing bolt (107), characterized in that: Also includes: The protective mechanism (2) comprises a base (201) fixedly connected to the top of the hollow plate (103), a lifting plate (202) fixedly connected to the top of the base (201), a placement opening (2011) fixedly connected to the top of the lifting plate (202), a storage tank (2012) fixedly connected to the inner wall of the placement opening (2011), a front end of the base (201) fixedly connected to an arc-shaped plate (2013), and an end of the arc-shaped plate (2013) away from the base (201) fixedly connected to a connecting rod. The joint (203) is fixedly connected to the outer wall of the base one (201) with a sliding plate one (204), and the inner wall of the sliding plate one (204) is movably connected to the connecting plate two (205). The front end of the connecting plate two (205) is fixedly connected to the rotating plate (206). The front end of the base one (201) is provided with an arc plate one (207), and both ends of the arc plate one (207) are fixedly connected to the connecting plate three (208). The end of the rotating plate (206) away from the connecting plate two (205) is fixedly connected to the connecting plate three (208).

2. A construction steel bar welding device according to claim 1, characterized in that: The end of the second connecting plate (205) away from the rotating plate (206) is fixedly connected to the first right-angle plate (2014), the end of the first right-angle plate (2014) away from the second connecting plate (205) is fixedly connected to the second sliding plate (2017), the top of the second connecting plate (205) is fixedly connected to the second right-angle plate (2015), the end of the second right-angle plate (2015) away from the second connecting plate (205) is fixedly connected to the partition (2016), the top of the partition (2016) is movably connected to the lifting plate (202), and the bottom of the partition (2016) is movably connected to the base (201).

3. A construction steel bar welding device according to claim 2, characterized in that: The outer wall of the base one (201) is provided with a through groove two (209), which penetrates the base one (201) and extends to the front end of the arc plate two (2013). The inner wall of the through groove two (209) is movably connected to the sliding plate two (2017). The top of the base one (201) is provided with an arc groove (2010), which penetrates the base one (201) and extends to the front end of the arc plate two (2013).

4. A construction steel bar welding device according to claim 3, characterized in that: The pushing assembly (11) includes a movable column (111), the upper and lower ends of the movable column (111) are fixedly connected to a slider (112), the outer wall of the slider (112) is movably connected to the slide groove (104), the outer wall of the movable column (111) is provided with a slide groove (113), the inner wall of the movable column (111) is movably connected to the sliding column (114), and the outer wall of the sliding column (114) is fixedly connected to the connecting plate (116).

5. A construction steel bar welding device according to claim 4, characterized in that: The outer wall of the connecting plate 1 (116) is movably connected to the hollow plate (103), the outer wall of the sliding column (114) is provided with a spring (115), one end of the spring (115) is fixedly connected to the movable column, the end of the spring (115) away from the movable column is fixedly connected to the connecting plate 1 (116), and the end of the connecting plate 1 (116) away from the movable column is fixedly connected to the power supply head 1 (117).

6. A construction steel bar welding device according to claim 5, characterized in that: The inner wall of the second slide groove (113) is movably connected to the second movable column (118), and both ends of the second movable column (118) are fixedly connected to the connecting column (119). The outer walls of the two connecting columns (119) are rotatably connected to the hollow plate (103) through bearings. The ends of the two connecting columns (119) away from the second movable column (118) are fixedly connected to the circular plate (1110). The outer walls of the two circular plates (1110) are provided with a through groove (1111). The inner wall of the through groove (1111) is movably connected to the deflection mechanism (3), and the side of the two circular plates (1110) away from the connecting column (119) is fixedly connected to the slider three (1112).

7. A construction steel bar welding device according to claim 6, characterized in that: The deflection mechanism (3) comprises a second base (301), the top of the second base (301) is fixedly connected to a second fixing plate (302), the front end of the second base (301) is fixedly connected to an elastic component (303), and the top of the elastic component (303) is fixedly connected to a second power supply head (304).

8. The construction steel bar welding equipment according to claim 7, characterized in that: The outer wall of the base two (301) is fixedly connected to the connecting plate four (305), the outer wall of the connecting plate four (305) is fixedly connected to the slide plate (306), the inner wall of the slide plate (306) is movably connected to the slider three (1112), the outer wall of the connecting plate four (305) is provided with a slide groove three (307), the outer wall of the slide groove three (307) is movably connected to the through groove two (209), the inner wall of the slide groove three (307) is movably connected to the slider one (102), and the outer wall of the slide groove three (307) is provided with a notch (308).

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