Correcting device for beam surface wet joint steel bar welding
By designing a straightening device for welding steel bars in wet joints of beams, a combination of pry bars, lifting bars, and support bars is used to straighten the ring bars using the lever principle. This solves the welding difficulties and wear problems caused by inconsistent heights of the ring bars, achieving efficient welding and labor savings.
Patent Information
- Application Number
- CN202422083532.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-08-27
AI Technical Summary
In existing technologies, the height of the exposed annular reinforcement bars on the cantilever end face of the beam is inconsistent, which makes welding difficult and easily causes wear on the beam, increasing the labor intensity of workers.
A straightening device for welding steel bars in wet joints of beams is designed. By using a combination of pry bars, lifting bars and support bars, the ring bars are straightened to be uniform through the lever principle, avoiding the use of the cantilever end face of the beam as a fulcrum and reducing wear on the beam.
It effectively corrects the problem of inconsistent height of the ring reinforcement, saves labor, avoids damage to the corners of the beam, and improves welding efficiency.
Smart Images
Figure CN223780707U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bridge assembling technical field, concretely relates to a kind of beam face wet joint reinforcing steel welding correction device. BACKGROUND
[0002] Beam face wet joint is a kind of construction technology, for the prestressed concrete beam body block prefabrication, through cast-in-situ concrete, beam body cantilever assembly into large-span continuous beam, this kind of technology is mainly used to solve the problem that bridge crosses large river, deep valley and the difficulty of erecting support, is one of the main methods of large-span prestressed concrete cable-stayed bridge girder erection, and before pouring concrete at the joint of prefabricated beam, the annular muscle exposed on the cantilever end surface of beam body needs to be welded into a body in advance.
[0003] At present, among the annular muscles exposed on the cantilever end surface of two beam bodies needing to be assembled, there are some problems of inconsistent height between adjacent annular muscles, which leads to that these annular muscles cannot be firmly welded together, and workers usually use crowbar or other auxiliary tools to correct these annular muscles of inconsistent height, that is, to pull each other to horizontal state, which often needs to use the edge and corner of the cantilever end surface of beam body as fulcrum, when prying the annular muscle of lower position upward, the fulcrum is easy to cause abrasion to beam body, and if not using the fulcrum directly using tool to pull the annular muscle of lower position upward, it will increase the labor intensity of workers, and the use effect is poor.
[0004] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the prior art. UTILITY MODEL CONTENT
[0005] The utility model aims at overcoming the problem of abrasion to beam body and increasing labor intensity of workers in the prior art for the correction of the up-down position of annular muscles exposed on the cantilever end surface of two beam bodies needing to be assembled, and provides a correction device for reinforcing steel welding of beam face wet joint.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The utility model provides a kind of beam surface wet joint steel bar welding with correcting device, including: annular muscle, crowbar, lift rod and support rod, the annular muscle is in beam body joint, the annular muscle is divided into low annular muscle and high annular muscle;The crowbar is inserted into beam body joint along longitudinal direction, the crowbar extends outward and has protruding block along radial direction, the protruding block is close to the lower end of the crowbar, part of the crowbar above the protruding block is divided into power arm by the protruding block, part of the crowbar below the protruding block is divided into resistance arm, the side of the resistance arm is close to the upper cross muscle of the low annular muscle;The lift rod is transversely arranged in the lower end side of the resistance arm, and the lift rod is staggered with the protruding block, the length direction of the lift rod is consistent with the length direction of beam body joint, so that one end of the lift rod extends to the bottom of the upper cross muscle of the low annular muscle;The support rod is transversely sleeved in the middle of the protruding block, the length direction of the support rod is consistent with the length direction of the lift rod, so that one end of the support rod extends to the top of the upper cross muscle of the high annular muscle, and the extension direction of the support rod is consistent with the extension direction of the lift rod;With the top of the upper cross muscle of the high annular muscle as fulcrum, the resistance arm is lifted by pressing the power arm, and then the lift rod at the lower end of the resistance arm pulls the upper cross muscle of the low annular muscle upward to correct.
[0008] In the correcting device for beam surface wet joint steel bar welding as described above, preferably, the upper end of the power arm is transversely fixed with a handle and centered.
[0009] The length direction of the handle is consistent with the length direction of the support rod.
[0010] Preferably, the two ends of the handle are both fixed with a round touch-proof plate.
[0011] Preferably, the outer part of the support rod is provided with a threaded section and a smooth section.
[0012] The threaded section is threadedly sleeved with the protruding block to rotate the support rod to axially displace.
[0013] Preferably, the length of the smooth section is not less than the diameter of the annular muscle, and the smooth section is in contact with the top of the upper cross muscle of the high annular muscle.
[0014] Preferably, the extension end of the support rod is provided with a baffle.
[0015] Preferably, the other end of the support rod is provided with a radial protruding column.
[0016] Beneficial effects: the utility model utilizes the principle of lever to correct annular muscles with different heights, and due to the different setting positions of fulcrum, labor is saved without damaging the edges and corners of the cantilever end surface of beam body, and the use effect is excellent. BRIEF DESCRIPTION OF DRAWINGS
[0017] The drawings accompanying the specification of the present application serve to provide further understanding of the present application, and the illustrative embodiments of the present application and their descriptions serve to explain the present application, and do not constitute an improper limitation on the present application. Among them:
[0018] Figure 1 It is a front view schematic diagram of the present application;
[0019] Figure 2 It is a whole structure schematic diagram of the present application;
[0020] Figure 3 It is Figure 2 The enlarged view of A in the middle.
[0021] In the figure: 1, low annular rib; 2, high annular rib; 3, protruding block; 4, power arm; 5, resistance arm; 6, lifting rod; 7, supporting rod; 8, handle; 9, anti-touch plate; 10, threaded section; 11, smooth section; 12, baffle; 13, protruding column. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.
[0023] In the description of the present application, the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc. are the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application, and do not require the present application to be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "connected", "connected" used in the present application should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection; can be directly connected, can also be indirectly connected through an intermediate part. For those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.
[0024] The present application will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0025] The embodiment aims to provide a rectifying device for beam surface wet joint steel welding, which mainly functions to effectively save labor when rectifying annular ribs, and also does not cause damage to the edges and corners of the cantilever end face of the beam body.
[0026] Referring to Figure 1 and Figure 2 , including: ring muscle, crowbar, lifting rod 6 and support rod 7, ring muscle in the joint of two to be assembled precast beam, that is, exposed to the beam cantilever end face reinforcement, the ring muscle is divided into low ring muscle 1 and high ring muscle 2, and the low ring muscle 1 and the high ring muscle 2 are respectively the reinforcement of the cantilever end face of two beam bodies, not the reinforcement of the same cantilever end face of the beam body, wherein the low ring muscle 1 is in front, and the high ring muscle 2 is in back.
[0027] Referring to Figure 1 and Figure 2 , the crowbar can be used ordinary discarded steel bar, the lower end of the crowbar extends into the beam joint along the longitudinal direction, that is, the crowbar can be vertical or inclined, but the inclination angle should not be too large, so as to avoid interference between the adjacent beam cantilever end face corners, the crowbar is welded with a protrusion 3 along the radial direction outward, the protrusion 3 is arranged near the lower end of the crowbar, and the protrusion 3 is located on the right side of the crowbar, so that the upper part of the crowbar is divided into a power arm 4 through the protrusion 3, the upper end of the power arm 4 is fixed with a handle 8 in the transverse direction and is in the center, and the length direction of the handle 8 is consistent with the length direction of the support rod 7, so that the worker holds the handle with both hands, the lower part of the crowbar is divided into a resistance arm 5, and the rear side of the resistance arm 5 is close to the front side of the upper cross bar of the low ring muscle 1; the lifting rod 6 is transversely welded on the left side of the lower end of the resistance arm 5, so that the lifting rod 6 is arranged in a staggered manner with the protrusion 3, the length direction of the lifting rod 6 is consistent with the length direction of the beam joint, so that the rear end of the lifting rod 6 extends to the bottom of the upper cross bar of the low ring muscle 1, and the lifting rod 6 can be used by cutting a small part from the reinforcement.
[0028] Referring to Figure 1 , Figure 2 and Figure 3 , the support rod 7 is transversely sleeved on the middle part of the protrusion 3, the length direction of the support rod 7 is consistent with the length direction of the lifting rod 6, so that the rear end of the support rod 7 extends to the top of the upper cross bar of the high ring muscle 2, so it can be known that the extension directions of the support rod 7 and the lifting rod 6 are consistent, except that the length of the rear extension of the support rod 7 is adjustable, specifically, the outer part of the support rod 7 is provided with a threaded section 10 and a smooth section 11, the threaded section 10 is located in the front section of the support rod 7, the threaded section 10 is threadedly sleeved with the middle part of the protrusion 3, so as to rotate the support rod 7 to make it displace along the axial direction, so as to change the extension length of the rear end of the support rod 7, and the extension length of the rear end of the support rod 7 is changed to adapt to the adjacent two ring muscles with different distances, it needs to be understood that the exposed ring muscles of the cantilever end faces of the two precast beams to be assembled are staggered, and the distance between the adjacent ring muscles is different; the smooth section 11 is located in the rear section of the support rod 7, the length of the smooth section 11 is not less than the diameter of the ring muscle, and the smooth section 11 is in contact with the top of the upper cross bar of the high ring muscle 2, and the smooth section 11 is in contact with the top of the upper cross bar of the high ring muscle 2, so as to avoid the direct contact between the threaded section 10 and the high ring muscle 2, so as to avoid the wear of the threaded shape caused by the direct contact between the threaded section 10 and the high ring muscle 2, and affect the rotation effect.
[0029] In the embodiment, the extending end, i.e., the rear end, of the supporting rod 7 is welded with a circular baffle 12, through which the worker can quickly position the smooth section 11 of the supporting rod 7 with the high annular rib 2; the front end of the supporting rod 7 is welded with a convex column 13 along the radial direction, so as to facilitate the worker to twist the supporting rod 7.
[0030] In the embodiment, the two ends of the handle 8 are both fixed with a circular anti-touch plate 9, when the crowbar is randomly thrown by the worker, the anti-touch plate 9 can avoid the direct contact of the handle 8 with the ground, so as to ensure the cleanliness of the handle 8 and improve the comfort of the worker when using.
[0031] In actual use, the upper horizontal rib top of the high annular rib 2 is taken as the fulcrum, the resistance arm 5 is lifted by pressing the power arm 4 downward, and then the lifting rod 6 at the lower end of the resistance arm 5 pulls the upper horizontal rib of the low annular rib 1 upward to correct, specifically, the lower end of the crowbar is inserted into the joint of the beam body, the position of the lifting rod 6 is determined, the lifting rod 6 is in contact with the bottom of the upper horizontal rib of the low annular rib 1, at the same time, the resistance arm 5 is also in contact with the upper horizontal rib of the low annular rib 1, the position of the supporting rod 7 is determined, the smooth section 11 of the supporting rod 7 is in contact with the upper horizontal rib of the high annular rib 2, during which the smooth section 11 can be quickly positioned by adjusting the extending length of the rear end of the supporting rod 7, finally, the handle 8 is pressed downward by both hands, and the reason why the lifting rod 6 and the supporting rod 7 are arranged in a left-right staggered manner is to reduce the downward pressing amplitude of the power arm 4 of the crowbar, so as to avoid the touch between the power arm 4 of the crowbar and the precast beam.
[0032] The correction device provided in the embodiment utilizes the principle of the lever to correct the annular ribs with different heights exposed on the cantilever end faces of the two precast beams to be assembled, and due to the different setting positions of the fulcrums, the labor is saved and the corners of the cantilever end faces of the beams are not damaged, and the use effect is excellent.
[0033] It can be understood that the above description is only exemplary, and the embodiments of the present application do not limit this.
[0034] The above only describes the preferred embodiments of the present application, and does not limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application is within the protection scope of the claims of the present application.
Claims
1. A straightening device for welding reinforcing bars at wet joints on beam surfaces, characterized in that, The utility model relates to a beam body joint correction device, which comprises: a ring-shaped rib in the beam body joint, the ring-shaped rib being divided into a low ring-shaped rib and a high ring-shaped rib; a crowbar extending longitudinally into the beam body joint, the crowbar extending radially outward with a protrusion arranged near the lower end of the crowbar, the protrusion dividing the upper part of the crowbar into a power arm and the part below the protrusion into a resistance arm, the side of the resistance arm being close to the upper cross rib of the low ring-shaped rib; a lifting rod arranged horizontally at the side of the lower end of the resistance arm, the lifting rod being arranged in a staggered manner with the protrusion, the length direction of the lifting rod being consistent with the length direction of the beam body joint, so that one end of the lifting rod extends to the bottom of the upper cross rib of the low ring-shaped rib; a support rod horizontally sleeved in the middle part of the protrusion, the length direction of the support rod being consistent with the length direction of the lifting rod, so that one end of the support rod extends to the top of the upper cross rib of the high ring-shaped rib, the extension direction of the support rod being consistent with the extension direction of the lifting rod; the top of the upper cross rib of the high ring-shaped rib being used as a fulcrum, the resistance arm being lifted by pressing the power arm downward, and the lifting rod at the lower end of the resistance arm pulling the upper cross rib of the low ring-shaped rib upward to correct it.
2. The beam wet joint reinforcement welding straightening device according to claim 1, characterized by the upper end of the power arm being fixed horizontally with a handle in the middle; the length direction of the handle being consistent with the length direction of the support rod.
3. The beam wet joint reinforcement welding straightening device according to claim 2, characterized by the two ends of the handle being fixed with round anti-touch plates in the middle.
4. The beam wet joint reinforcement welding straightening device according to claim 1, characterized by the outer part of the support rod being provided with a threaded section and a smooth section; the threaded section being threadedly sleeved with the protrusion to rotate the support rod to move along the axial direction.
5. The beam wet joint reinforcement welding straightening device according to claim 4, characterized by the length of the smooth section not being less than the diameter of the ring-shaped rib, and the smooth section being in contact with the top of the upper cross rib of the high ring-shaped rib.
6. The beam wet joint reinforcement welding straightening device according to claim 1, characterized by the extension end of the support rod being provided with a baffle.
7. The beam wet joint reinforcement welding straightening device according to claim 6, characterized by the other end of the support rod being provided with a radial protrusion.