CN217122312U - Welding device for bridge anti-collision guardrail construction - Google Patents
Welding device for bridge anti-collision guardrail construction Download PDFInfo
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- CN217122312U CN217122312U CN202220796189.XU CN202220796189U CN217122312U CN 217122312 U CN217122312 U CN 217122312U CN 202220796189 U CN202220796189 U CN 202220796189U CN 217122312 U CN217122312 U CN 217122312U
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Abstract
The utility model relates to the technical field related to the manufacture of anti-collision guardrails, in particular to a welding device for the construction of bridge anti-collision guardrails, which comprises an end fixing component, a length adjusting device, an end fixing device, an adjusting slide bar, a graduated scale, a round tube clamping device and a first adjusting screw rod, wherein, two groups of end fixing components comprise the length adjusting device and two groups of end fixing devices, the adjusting slide bar device comprises the adjusting slide bar, the graduated scale is fixedly arranged on the adjusting slide bar, each group of round tube clamping device is used for clamping a second round tube, the round tube clamping device comprises the first adjusting screw rod, the utility model can arrange two first round tubes and a plurality of second round tubes regularly, the appearance quality of the guardrail is good, the welding efficiency is improved, the end fixing component can clamp the first round tube with the diameter smaller than that of the first half-ring sleeve, and is suitable for the welding of the second round tubes with different intervals, the welding of the guardrail of being applicable to different length is suitable for the welding of the second pipe of different quantity.
Description
Technical Field
The utility model relates to a relevant technical field is made to anticollision barrier, specifically is to a welding set is used in bridge anticollision barrier construction.
Background
The bridge guardrail is a guardrail arranged on a bridge. Its purpose is in order to prevent that the vehicle out of control from crossing outside the bridge, has the function that makes the vehicle can not break through, wear down, cross the bridge and beautify the bridge building.
However, in the welding of the guardrail, the steel pipe is not fixed by a clamp, so the steel pipe needs to be held in the process of edge welding, which not only affects the welding efficiency, but also holds the steel pipe by hands, so the steel pipe is easy to be held and inclined, the welding of the whole guardrail is inclined, the appearance is slightly affected, the steel pipe cannot be used when the steel pipe is inclined seriously, and the welding quality is low.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a welding set for bridge anticollision barrier construction to prior art problem.
For solving the prior art problem, the utility model discloses a technical scheme be: the utility model provides a welding set is used in construction of bridge anticollision barrier, includes:
the two end fixing assemblies are parallel to each other and arranged at intervals along the length direction of the first circular tube, two ends of each end fixing assembly are fixedly connected with the ends of the two parallel first circular tubes, each end fixing assembly comprises a length adjusting device and two end fixing devices, the two end fixing devices are fixedly sleeved on the ends of the two first circular tubes respectively, and the length adjusting device is fixedly connected with the two end fixing devices;
the adjusting slide bar device is respectively and fixedly connected with the two groups of end fixing assemblies and is positioned between the two first circular tubes, the adjusting slide bar device comprises an adjusting slide bar which has the same length direction as the first circular tubes, and the adjusting slide bar is fixedly provided with a graduated scale which has the same length direction;
a plurality of groups are all located between two groups of end fixing assemblies along the pipe clamping devices which are distributed at equal intervals in the length direction of the adjusting slide rod, each group of pipe clamping devices is used for clamping a second pipe, the length direction of the second pipe is perpendicular to the length direction of the first pipe, two ends of the second pipe are respectively inconsistent with the two first pipes, the pipe clamping devices are sleeved on the adjusting slide rod, and each pipe clamping device comprises a first adjusting screw which is abutted to the adjusting slide rod.
Further, the end fixing device includes:
one end of the first half-ring sleeve is fixedly connected with the length adjusting device and sleeved on the first circular pipe, and a first rubber pad which is abutted against the outer wall of the first circular pipe is fixedly arranged on the inner side of the first half-ring sleeve;
the second half-ring sleeve is sleeved on the first circular pipe, one end of the second half-ring sleeve is hinged with one end of the first half-ring sleeve, and the other end of the second half-ring sleeve is fixedly connected with the other end of the first half-ring sleeve through a bolt mechanism;
the pressing block is positioned on the inner side of the second semi-ring sleeve, the pressing block and the second semi-ring sleeve are in sliding connection in the direction vertical to the length direction of the first circular pipe, and a second rubber pad abutting against the first circular pipe is fixedly arranged on one side, close to the first circular pipe, of the pressing block;
and the length direction of the second adjusting screw is vertical to that of the first round pipe, the second adjusting screw is sleeved and screwed with the second semi-ring, and the end part of the second adjusting screw is in shaft joint with the pressing block.
Further, the length adjustment device includes:
the length direction of the connecting sleeve is consistent with that of the second circular tube, and one end of the connecting sleeve is fixedly connected with the end fixing device;
the length direction of the connecting arm is consistent with that of the connecting sleeve, the connecting arm is inserted into the connecting sleeve in a sliding mode along the length direction of the connecting sleeve, and the free end of the connecting arm is fixedly connected with the other end fixing device;
the limiting bolt is provided with a strip-shaped through groove in the same length direction in a forming mode, and penetrates through the strip-shaped through groove in a sliding mode to be connected and fixed with the connecting arm in a screwing mode;
the ratchet strip which has the same length direction as the connecting arm is fixed on the connecting arm;
the pawl is used for preventing the ratchets from moving outwards from the inside of the connecting sleeve and is hinged with the connecting sleeve, an avoiding through groove is formed in the connecting sleeve, and the end part of the pawl is abutted against the ratchets;
the first torsion spring is used for abutting the pawl on the ratchet strip;
a separate dial plate fixed to the pawl.
Further, the adjusting slide bar device further comprises:
the first connecting sleeve is fixed on the connecting arms of the group of length adjusting devices and is fixedly connected with one end of the adjusting slide rod;
the second connecting sleeve is fixed on the connecting arm of the other group of length adjusting devices and is in sliding connection with the adjusting slide rod;
and the third adjusting screw rod rotates with the second connecting sleeve, and the end part of the third adjusting screw rod props against the adjusting slide rod.
Further, the round tube holding apparatus includes:
the third connecting sleeve is sleeved on the adjusting slide rod in a sliding manner, the first adjusting screw is screwed with the third connecting sleeve, and the end part of the first adjusting screw is abutted against the adjusting slide rod;
the length direction of the sliding seat is perpendicular to the length direction of the first round pipe and the length direction of the second round pipe, and the sliding seat is fixedly arranged on the third connecting sleeve;
the two semi-ring clamps are symmetrically arranged about the second circular pipe, are sleeved on the second circular pipe, a third rubber pad which is abutted against the second circular pipe is fixedly arranged on the inner side of each semi-ring clamp, a strip-shaped connecting part is formed on each semi-ring clamp, and the middle parts of the two strip-shaped connecting parts are hinged with the sliding seat through hinge bolts;
the sliding block is connected with the sliding seat in a sliding mode along the length direction of the sliding seat and is positioned on one side, away from the second circular pipe, of the hinge bolt;
the end parts of the two connecting rods are respectively hinged with the free ends of the two strip-shaped connecting parts, and the other ends of the two connecting rods are hinged with the sliding block;
the second torsion spring is used for gathering the two semi-ring clamps;
and the length direction of the control rod is consistent with that of the sliding seat and is fixedly connected with the sliding block.
Furthermore, the second torsional spring is sleeved on the hinge bolt, a cylindrical part consistent with the length direction of the second round pipe is formed on the strip-shaped connecting part, the cylindrical part is far away from the second round pipe, and two ends of the second torsional spring are respectively abutted to the cylindrical parts on the two strip-shaped connecting parts.
Compared with the prior art, the utility model beneficial effect who has is: firstly, the utility model can arrange two first circular tubes and a plurality of second circular tubes regularly, the appearance quality of the guardrail is good, the second circular tubes do not need to be held in the welding process, and the welding efficiency is improved;
the end fixing assembly can clamp a first circular tube with the diameter smaller than that of the first semi-ring sleeve, and the end fixing assembly is convenient to use and wide in adaptability;
thirdly, the circular tube clamping device can slide on the adjusting slide rod to adjust the distance, and is suitable for welding second circular tubes with different distances;
fourthly, the distance between the two groups of end fixing assemblies can be adjusted according to the length of the first circular tube, and the welding device is suitable for welding guardrails with different lengths;
fifthly, the number of the circular tube clamping devices on the adjusting slide bar can be adjusted according to actual requirements, and the welding fixture is suitable for welding of second circular tubes with different numbers.
Drawings
FIG. 1 is a schematic perspective view of the embodiment;
FIG. 2 is a perspective view of an end fixing assembly of an embodiment;
FIG. 3 is a perspective view of an end fixture according to an embodiment;
FIG. 4 is a schematic perspective view of a length adjustment device according to an embodiment;
FIG. 5 is a schematic perspective view of an adjusting slide bar apparatus according to an embodiment;
fig. 6 is a schematic perspective view of the round tube holding apparatus according to the embodiment.
The reference numbers in the figures are: 1-a first round tube; 2-an end fixing assembly; 3-a length adjustment device; 4-end fixing means; 5-adjusting the slide bar device; 6-adjusting the sliding rod; 7-a graduated scale; 8-a circular tube holding device; 9-a second round tube; 10-a first adjusting screw; 11-a first half-loop; 12-a first rubber mat; 13-second half-collar; 14-a latch mechanism; 15-briquetting; 16-a second rubber mat; 17-a second adjusting screw; 18-a connecting sleeve; 19-a linker arm; 20-a limit bolt; 21-strip-shaped through grooves; 22-ratchet bar; 23-a pawl; 24-a first torsion spring; 25-separating the shifting plate; 26-a first coupling sleeve; 27-a second connecting sleeve; 28-a third adjusting screw; 29-a third connecting sleeve; 30-a slide seat; 31-a half-ring clamp; 32-a third rubber pad; 33-strip-shaped connecting parts; 34-a hinge pin; 35-a slide block; 36-a connecting rod; 37-a second torsion spring; 38-a control lever; 39-a cylindrical portion; 40-avoiding the through groove.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 6, a welding apparatus for construction of a bridge crash barrier includes:
the two end fixing assemblies 2 are arranged in parallel at intervals along the length direction of the first circular tube 1, two ends of each end fixing assembly 2 are fixedly connected with the ends of the two parallel first circular tubes 1, each end fixing assembly 2 comprises a length adjusting device 3 and two end fixing devices 4, the two end fixing devices 4 are fixedly sleeved on the ends of the two first circular tubes 1 respectively, and the length adjusting devices 3 are fixedly connected with the two end fixing devices 4;
the adjusting slide bar device 5 is respectively and fixedly connected with the two groups of end fixing assemblies 2 and is positioned between the two first circular tubes 1, the adjusting slide bar device 5 comprises an adjusting slide bar 6 which has the same length direction as the first circular tubes 1, and a graduated scale 7 which has the same length direction is fixedly arranged on the adjusting slide bar 6;
the pipe clamping device 8 that a plurality of groups were distributed along adjusting slide bar 6 length direction equidistant all is located between two sets of end fixing assembly 2, every group pipe clamping device 8 all is used for the centre gripping second pipe 9, the length direction of second pipe 9 is perpendicular with the length direction of first pipe 1, the both ends of second pipe 9 respectively with two first pipe 1 inconsistent, and pipe clamping device 8 cover is established on adjusting slide bar 6, pipe clamping device 8 is including the first adjusting screw 10 of contradicting on adjusting slide bar 6.
When a guardrail needs to be welded, the two first circular tubes 1 are fixed in parallel, each group of end fixing devices 4 are fixedly sleeved on the ends of the first circular tubes 1, the position of each group of circular tube clamping devices 8 is adjusted, the first adjusting screw 10 is loosened to enable the circular tube clamping devices 8 to slide on the adjusting slide bar 6, the graduated scale 7 can assist the strip-shaped positions of the circular tube clamping devices 8, a plurality of groups of circular tube clamping devices 8 are adjusted at equal intervals in sequence, the distance between the two first circular tubes 1 is increased through the length adjusting device 3, because the ends of the second circular tubes 9 need to be attached to the outer walls of the first circular tubes 1, the ends of the second circular tubes 9 are arc-shaped, the two ends of the second circular tubes 9 cannot be directly abutted to the two first circular tubes 1 at the same time, the distance between the two first circular tubes 1 needs to be increased first, the plurality of circular tube clamping devices 8 clamp the plurality of second circular tubes 9 in sequence, and all contradict the one end of a plurality of second pipe 9 on same first pipe 1, move another first pipe 1 to the direction that is close to the 9 tip of second pipe again, and the both ends of length adjustment device 3 are close to each other this moment, and two sets of end fixing device 4 are also close to each other, and the tip that is inconsistent at a plurality of second pipe 9 until first pipe 1 again welds.
When a large amount of guardrails of the same batch are required to be welded, the equipment only needs to be adjusted once, and then the first circular tube 1 and the second circular tube 9 can be fixed directly without being adjusted again.
The end fixing device 4 comprises:
one end of the first half-ring sleeve 11 is fixedly connected with the length adjusting device 3 and sleeved on the first circular tube 1, and a first rubber pad 12 which is abutted against the outer wall of the first circular tube 1 is fixedly arranged on the inner side of the first half-ring sleeve 11;
the second semi-ring sleeve 13 is sleeved on the first round pipe 1, one end of the second semi-ring sleeve is hinged with one end of the first semi-ring sleeve 11, and the other end of the second semi-ring sleeve 13 is fixedly connected with the other end of the first semi-ring sleeve 11 through a bolt mechanism 14;
the pressing block 15 is positioned on the inner side of the second semi-ring sleeve 13, the pressing block 15 and the second semi-ring sleeve 13 are in sliding connection along the direction vertical to the length direction of the first circular tube 1, and a second rubber pad 16 abutting against the first circular tube 1 is fixedly arranged on one side, close to the first circular tube 1, of the pressing block 15;
the length direction of the second adjusting screw 17 is perpendicular to the length direction of the first round pipe 1, the second adjusting screw 17 is screwed with the second semi-ring sleeve 13, and the end part of the second adjusting screw 17 is coupled with the pressing block 15.
When the end of the first circular tube 1 needs to be fixed on the end fixing device 4, the pin mechanism 14 is opened, the second half ring sleeve 13 is rotated in the direction away from the first half ring sleeve 11, the first circular tube 1 is placed on the first half ring sleeve 11, the first half ring sleeve 11 and the second half ring sleeve 13 are closed together, the pin mechanism 14 is closed, the second adjusting screw 17 is rotated to drive the pressing block 15 to move in the direction close to the first half ring sleeve 11, so that the first circular tube 1 is clamped by the first half ring sleeve 11 and the pressing block 15, the first rubber pad 12 and the second rubber pad 16 can play a role in skid resistance, and scratches on the first circular tube 1 can be avoided.
The length adjusting device 3 includes:
a connecting sleeve 18, the length direction of which is consistent with the length direction of the second round pipe 9, and one end of which is fixedly connected with the end fixing device 4;
the length direction of the connecting arm 19 is consistent with that of the connecting sleeve 18, the connecting arm is inserted into the connecting sleeve 18 in a sliding mode along the length direction of the connecting sleeve 18, and the free end of the connecting arm 19 is fixedly connected with the other group of end fixing devices 4;
the connecting sleeve 18 is provided with a strip-shaped through groove 21 with the same length direction, and the limiting bolt 20 penetrates through the strip-shaped through groove 21 in a sliding manner to be screwed and fixed with the connecting arm 19;
a ratchet 22 having the same length direction as the connecting arm 19 and fixed to the connecting arm 19;
the pawl 23 for preventing the ratchet bar 22 from moving outwards from the connecting sleeve 18 is hinged with the connecting sleeve 18, an avoiding through groove 40 is formed on the connecting sleeve 18, and the end part of the pawl 23 is butted against the ratchet bar 22;
a first torsion spring 24 for the pawl 23 to abut against the ratchet bar 22;
a stripper plate 25 secured to the pawl 23.
When two first circular tubes 1 need to be separated from each other, the end of the connecting sleeve 18 and the end of the connecting rod 36 need to be separated from each other, the separating and shifting plate 25 is shifted to drive the end of the pawl 23 to be separated from the ratchet strip 22, so that the connecting arm 19 is arranged on the connecting sleeve 18 and pulled out outwards, the limiting bolt 20 slides in the strip-shaped through groove 21, the connecting arm 19 can be prevented from sliding off from the connecting sleeve 18, and after the connecting arm 19 is pulled out outwards for a sufficient distance, the separating and shifting plate 25 is loosened.
After the second circular tubes 9 are sequentially clamped, the two first circular tubes 1 need to be close to each other, the first circular tubes 1 are pushed towards the end portions of the second circular tubes 9, the connecting arms 19 are driven to slide in the connecting sleeves 18 in the direction of being inserted into the connecting sleeves 18, the ratchets 22 are driven to horizontally slide, under the action of the first torsion springs 24, the end portions of the ratchets 23 abut against the ratchets 22, but the ratchets 22 and the ratchets 23 are in one-way movement, so when the ratchets 22 are inserted into the connecting sleeves 18, the end portions of the ratchets 23 slide on the ratchets 22, when the end portions of the first circular tubes 1 abut against the second circular tubes 9, under the cooperation of the ratchets 23 and the ratchets 22, the connecting arms 19 cannot be pulled out of the connecting sleeves 18, and the first circular tubes 1 are fixed.
The adjusting slide bar arrangement 5 further comprises:
the first connecting sleeve 26 is fixed on the connecting arm 19 of the group of length adjusting devices 3 and is fixedly connected with one end of the adjusting slide bar 6;
the second connecting sleeve 27 is fixed on the connecting arm 19 of the other group of length adjusting devices 3 and is in sliding connection with the adjusting slide rod 6;
the third adjusting screw 28 rotates with the second connecting sleeve 27, and the end of the third adjusting screw 28 abuts against the adjusting slide 6.
Because the length parts of the first round tubes 1 of different guardrails are the same, the distance between the two sets of end fixing assemblies 2 can be adjusted, the third adjusting screw 28 is loosened, the second connecting sleeve 27 slides on the adjusting slide rod 6, and after the distance between the two sets of end fixing assemblies 2 is adjusted, the third adjusting screw 28 is screwed, so that the second connecting sleeve 27 and the adjusting slide rod 6 are fixed together.
When the circular tube clamping device 8 needs to be added or reduced on the adjusting slide bar 6, the third adjusting screw 28 is loosened, the second connecting sleeve 27 is detached from the adjusting slide bar 6, the circular tube clamping device 8 is detached from the adjusting slide bar 6 or the added circular tube clamping device 8 is sleeved on the adjusting slide bar 6, and then the second connecting sleeve 27 is sleeved on the adjusting slide bar 6.
The round tube holding device 8 includes:
the third connecting sleeve 29 is sleeved on the adjusting slide rod 6 in a sliding manner, the first adjusting screw 10 is screwed with the third connecting sleeve 29, and the end part of the first adjusting screw 10 is abutted against the adjusting slide rod 6;
the sliding seat 30 is fixedly arranged on the third connecting sleeve 29, and the length direction of the sliding seat is vertical to the length direction of the first round pipe 1 and the length direction of the second round pipe 9;
two semi-ring clamps 31 which are symmetrically arranged about the second circular pipe 9 are sleeved on the second circular pipe 9, a third rubber pad 32 which is abutted against the second circular pipe 9 is fixedly arranged on the inner side of each semi-ring clamp 31, a strip-shaped connecting part 33 is formed on each semi-ring clamp 31, and the middle parts of the two strip-shaped connecting parts 33 are hinged with the sliding seat 30 through hinge bolts 34;
the sliding block 35 is connected with the sliding seat 30 in a sliding manner along the length direction of the sliding seat 30 and is positioned on one side, far away from the second circular tube 9, of the hinge bolt 34;
the end parts of the two connecting rods 36 are respectively hinged with the free ends of the two strip-shaped connecting parts 33, and the other ends of the two connecting rods 36 are hinged with the sliding block 35;
a second torsion spring 37 for gathering the two half ring clamps 31 together;
the control rod 38, the length direction of which is consistent with the length direction of the slide carriage 30, is fixedly connected with the slide block 35.
When the position of the circular tube clamping device 8 needs to be adjusted, the first adjusting screw 10 is unscrewed, so that the third connecting sleeve 29 can horizontally slide on the adjusting slide rod 6, and after the adjustment is completed, the first adjusting screw 10 is screwed, so that the third connecting sleeve 29 is fixed on the adjusting slide rod 6.
When the second circular tube 9 needs to be clamped, the control rod 38 slides towards the direction close to the hinge bolt 34, the sliding block 35 slides towards the direction close to the hinge bolt 34 on the sliding base 30, the distance between the sliding block 35 and the hinge bolt 34 is increased, the end parts of the two connecting rods 36 connected with the strip-shaped connecting parts 33 are far away from each other, the end parts of the two strip-shaped connecting rods 36 are driven to be far away from each other, the strip-shaped connecting parts 33 rotate around the hinge bolt 34 to drive the two half ring clamps 31 to be far away from each other, the second circular tube 9 is placed between the two half ring clamps 31, the control rod 38 is loosened, and under the action of the second torsion spring 37, the two half ring clamps 31 are close to each other to clamp the second circular tube 9.
The second torsion spring 37 is sleeved on the hinge bolt 34, a cylindrical portion 39 with the same length direction as the second circular tube 9 is formed on the strip-shaped connecting portion 33, the cylindrical portion 39 is far away from the second circular tube 9, and two ends of the second torsion spring 37 are respectively abutted to the cylindrical portions 39 on the two strip-shaped connecting portions 33.
When the control lever 38 is released, the two ends of the second torsion spring 37 push the cylindrical portions 39 of the two bar-shaped connecting portions 33 to approach each other, the bar-shaped connecting portions 33 rotate around the hinge pins 34, and the ends of the two bar-shaped connecting portions 33 that approach the second circular tube 9 approach each other, so as to drive the two half-ring clamps 31 to approach each other and clamp the second circular tube 9.
The above examples are merely illustrative of one or more embodiments of the present invention, and the description thereof is more specific and detailed, but not intended to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a welding set is used in construction of bridge anticollision barrier which characterized in that includes:
the two end fixing assemblies (2) are arranged in parallel at intervals along the length direction of the first circular tube (1), two ends of each end fixing assembly (2) are fixedly connected with the ends of the two parallel first circular tubes (1), each end fixing assembly (2) comprises a length adjusting device (3) and two end fixing devices (4), the two end fixing devices (4) are fixedly sleeved on the ends of the two first circular tubes (1) respectively, and the length adjusting device (3) is fixedly connected with the two end fixing devices (4);
the adjusting slide bar device (5) is respectively and fixedly connected with the two groups of end fixing assemblies (2) and is positioned between the two first circular tubes (1), the adjusting slide bar device (5) comprises an adjusting slide bar (6) which has the same length direction as the first circular tubes (1), and the adjusting slide bar (6) is fixedly provided with a graduated scale (7) which has the same length direction;
a plurality of groups are along adjusting slide bar (6) length direction equidistant distribution's pipe clamping device (8), all be located between two sets of end fixing subassembly (2), every group pipe clamping device (8) all are used for the centre gripping second pipe (9), the length direction of second pipe (9) is perpendicular with the length direction of first pipe (1), the both ends of second pipe (9) are inconsistent with two first pipes (1) respectively, and pipe clamping device (8) cover is established on adjusting slide bar (6), pipe clamping device (8) are including contradicting first adjusting screw (10) on adjusting slide bar (6).
2. The welding device for the construction of bridge crash barriers according to claim 1, characterized in that the end fixing device (4) comprises:
one end of the first half-ring sleeve (11) is fixedly connected with the length adjusting device (3) and sleeved on the first circular tube (1), and a first rubber pad (12) which is abutted against the outer wall of the first circular tube (1) is fixedly arranged on the inner side of the first half-ring sleeve (11);
the second semi-ring sleeve (13) is sleeved on the first circular tube (1), one end of the second semi-ring sleeve is hinged with one end of the first semi-ring sleeve (11), and the other end of the second semi-ring sleeve (13) is fixedly connected with the other end of the first semi-ring sleeve (11) through a bolt mechanism (14);
the pressing block (15) is positioned on the inner side of the second half-ring sleeve (13), the pressing block (15) and the second half-ring sleeve (13) are connected in a sliding mode along the direction perpendicular to the length direction of the first circular pipe (1), and a second rubber pad (16) abutting against the first circular pipe (1) is fixedly arranged on one side, close to the first circular pipe (1), of the pressing block (15);
and the length direction of the second adjusting screw rod (17) is vertical to that of the first round pipe (1), the second adjusting screw rod (17) is screwed with the second semi-ring sleeve (13), and the end part of the second adjusting screw rod (17) is in shaft connection with the pressing block (15).
3. The welding device for the construction of the anti-collision guardrail of the bridge as claimed in claim 1, wherein the length adjusting device (3) comprises:
the length direction of the connecting sleeve (18) is consistent with that of the second round pipe (9), and one end of the connecting sleeve is fixedly connected with the end fixing device (4);
the length direction of the connecting arm (19) is consistent with that of the connecting sleeve (18), the connecting arm is inserted into the connecting sleeve (18) in a sliding mode along the length direction of the connecting sleeve (18), and the free end of the connecting arm (19) is fixedly connected with the other group of end fixing devices (4);
the connecting sleeve (18) is formed with a strip-shaped through groove (21) with the same length direction, and the limiting bolt (20) penetrates through the strip-shaped through groove (21) in a sliding manner to be connected and fixed with the connecting arm (19) in a rotating manner;
a ratchet (22) which has the same length direction as the connecting arm (19) and is fixed on the connecting arm (19);
the pawl (23) is used for preventing the ratchet bar (22) from moving outwards from the connecting sleeve (18) and is hinged with the connecting sleeve (18), an avoiding through groove (40) is formed in the connecting sleeve (18), and the end part of the pawl (23) is abutted against the ratchet bar (22);
a first torsion spring (24) which is used for the pawl (23) to be propped against the ratchet strip (22);
a separating poking plate (25) fixed on the pawl (23).
4. The welding device for the construction of the anti-collision guardrail of the bridge as claimed in claim 3, wherein the adjusting slide bar device (5) further comprises:
the first connecting sleeve (26) is fixed on the connecting arm (19) of the group of length adjusting devices (3) and is fixedly connected with one end of the adjusting slide rod (6);
the second connecting sleeve (27) is fixed on the connecting arm (19) of the other group of length adjusting devices (3) and is connected with the adjusting slide rod (6) in a sliding manner;
and the third adjusting screw (28) rotates with the second connecting sleeve (27), and the end part of the third adjusting screw (28) is abutted against the adjusting slide rod (6).
5. The welding device for the construction of the anti-collision guardrail of the bridge as claimed in claim 1, wherein the circular tube clamping device (8) comprises:
the third connecting sleeve (29) is sleeved on the adjusting slide rod (6) in a sliding manner, the first adjusting screw (10) is screwed with the third connecting sleeve (29), and the end part of the first adjusting screw (10) is abutted against the adjusting slide rod (6);
the length direction of the sliding seat (30) is vertical to the length direction of the first round pipe (1) and the length direction of the second round pipe (9), and the sliding seat is fixedly arranged on the third connecting sleeve (29);
the two semi-ring clamps (31) are symmetrically arranged relative to the second circular pipe (9) and are sleeved on the second circular pipe (9), a third rubber pad (32) which is abutted against the second circular pipe (9) is fixedly arranged on the inner side of each semi-ring clamp (31), a strip-shaped connecting part (33) is formed on each semi-ring clamp (31), and the middle parts of the two strip-shaped connecting parts (33) are hinged with the sliding seat (30) through hinge bolts (34);
the sliding block (35) is connected with the sliding seat (30) in a sliding mode along the length direction of the sliding seat (30) and is positioned on one side, far away from the second circular tube (9), of the hinge bolt (34);
the end parts of the two connecting rods (36) are respectively hinged with the free ends of the two strip-shaped connecting parts (33), and the other ends of the two connecting rods (36) are hinged with the sliding block (35);
a second torsion spring (37) for gathering the two half-ring clamps (31) together;
and the length direction of the control rod (38) is consistent with that of the sliding seat (30) and is fixedly connected with the sliding block (35).
6. The welding device for the construction of the anti-collision bridge guardrail according to claim 5, wherein the second torsion spring (37) is sleeved on the hinge bolt (34), the strip-shaped connecting portions (33) are formed with cylindrical portions (39) which are consistent with the length direction of the second circular tube (9), the cylindrical portions (39) are arranged far away from the second circular tube (9), and two ends of the second torsion spring (37) are respectively abutted to the cylindrical portions (39) on the two strip-shaped connecting portions (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220796189.XU CN217122312U (en) | 2022-04-06 | 2022-04-06 | Welding device for bridge anti-collision guardrail construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220796189.XU CN217122312U (en) | 2022-04-06 | 2022-04-06 | Welding device for bridge anti-collision guardrail construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217122312U true CN217122312U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220796189.XU Active CN217122312U (en) | 2022-04-06 | 2022-04-06 | Welding device for bridge anti-collision guardrail construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217122312U (en) |
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2022
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