Auxiliary tool for installing bent cap stirrup

Abstract

The utility model discloses a cap beam stirrup installation auxiliary tool which comprises a base, a suspender installation base and a suspender, the suspender installation base is horizontally and rotatably installed in the center of the top of the base, the suspender is provided with an operating rod and a lifting hook fixedly installed at the front end of the operating rod, and the operating rod is vertically and rotatably installed at the upper end of the suspender installation base. The distance from the rotating fulcrum of the operating rod to the lifting hook is smaller than that from the rotating fulcrum to the other end of the operating rod. The auxiliary tool is simple in structure, convenient and fast to manufacture, economical, convenient to operate and capable of effectively saving manpower, shortening stirrup installation time and improving stirrup installation efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to an auxiliary tool for installing cap beam stirrups. Background Art

[0002] During the construction of bridge cap beams, when the steel bars are installed on site, the stirrups are bent in the steel bar processing yard according to the design requirements. The stirrups are installed after the cap beam skeleton steel bars are installed. The diameter of some cap beam stirrups is large. Due to the influence of the stirrup hooks, the installation of the stirrups is more difficult. The on-site installation method using crowbars is time-consuming and labor-intensive. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a cap beam stirrup installation auxiliary tool for facilitating stirrup installation during bridge cap beam construction, thereby saving time and labor and improving construction efficiency.

[0004] In order to achieve the above technical effects, the technical solution adopted by the utility model is:

[0005] A cap beam stirrup installation auxiliary tool comprises a base, a hanger mounting seat and a hanger, wherein the hanger mounting seat is horizontally rotatably mounted at the top center of the base, the hanger is provided with an operating rod and a hook fixedly mounted at the front end of the operating rod, the operating rod is vertically rotatably mounted at the upper end of the hanger mounting seat, and the distance from the rotation fulcrum of the operating rod to the hook is smaller than the distance from the rotation fulcrum to the other end of the operating rod.

[0006] Furthermore, the boom mounting seat is provided with a rotating disk and an ear plate, the rotating disk is rotatably mounted at the top center of the base, the ear plate is mounted on the upper surface of the rotating disk, the ear plate is provided with two parallel ear plates, the operating rod is clamped between the two ear plates, and the operating rod is rotatably connected to the two ear plates by a pin or bolt that is penetrated.

[0007] Furthermore, a plurality of connection holes are arranged at intervals on the operating rod, and through holes of equal height are arranged on the upper ends of the two ear plates.

[0008] Furthermore, the base is provided with a bottom plate, a top plate and a plurality of vertical poles, the bottom plate is aligned with the center of the top plate, the plurality of vertical poles are distributed at the edge of the lower surface of the top plate, the upper ends of the vertical poles are welded and fixed to the lower surface of the top plate, and the lower ends are welded and fixed to the upper surface of the bottom plate.

[0009] Furthermore, the bottom plate and the top plate are both rectangular steel plates, and the size of the bottom plate is larger than that of the top plate. The vertical poles are angle steels, and the vertical poles are located at the four corners of the top plate.

[0010] Furthermore, the base also includes a base fixing assembly, which is a screw-nut assembly, provided with a screw and a nut, and a fixing hole is provided at the center of the base plate, and the screw is inserted into the fixing hole.

[0011] Furthermore, the base fixing assembly is also provided with two fixing strips, the screw rod is a part of the hexagonal bolt, and the two fixing strips are respectively welded to a pair of parallel side surfaces of the bolt head.

[0012] Furthermore, the base fixing assembly is also provided with two fixing strips, the screw rod is a lead screw, the nut is a hexagonal nut, and the two fixing strips are respectively welded on a pair of parallel side surfaces of the nut.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The cap beam stirrup reinforcement installation auxiliary tool of the utility model has a simple structure and is easy to process. The hanger mounting seat is horizontally rotationally connected to the base, the operating rod is vertically rotationally connected to the hanger mounting seat, and the hook is hung on the stirrup hook. The rotation connection point between the operating rod and the hanger mounting seat is used as a fulcrum, the other end of the operating rod is pressed down, the stirrup hook is raised and then rotated horizontally, so that the stirrup can be easily moved and put on the cap beam skeleton steel bar. The installation of the stirrup saves time and effort, and the installation efficiency is improved.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the utility model is further described in detail in combination with the accompanying drawings and embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the auxiliary tool of the utility model;

[0017] Figure 2 It is a schematic diagram of the connection structure between the base and the boom mounting seat of the auxiliary tool of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between the auxiliary tool of the utility model and the steel bars of the cap beam skeleton;

[0019] Figure 4 This is a construction status diagram of the auxiliary tool of the utility model.

[0020] The numbers and corresponding names in the figure are:

[0021] 1. Base, 11. Bottom plate, 12. Top plate,

[0022] 13. Vertical pole, 14. Base fixing assembly, 141. Screw,

[0023] 142. Nut, 143. Fixing bar, 2. Suspension rod mounting base,

[0024] 21. Rotating plate, 22. Ear plate, 3. Suspension rod,

[0025] 31. Operating rod, 311. Connecting hole, 32. Hook,

[0026] 4. Stirrups, 5. Cap beam skeleton reinforcement. DETAILED DESCRIPTION

[0027] A cap beam stirrup installation auxiliary tool, such as Figure 1-3 As shown, the auxiliary tool includes a base 1, a boom mounting seat 2 and a boom 3.

[0028] The base 1 is provided with a bottom plate 11, a top plate 12, four vertical poles 13 and a base fixing assembly 14. The bottom plate 11 and the top plate 12 are made of rectangular steel plates, and the size of the bottom plate 11 is larger than that of the top plate 12. The vertical poles 13 are made of angle steel, and the base fixing assembly 14 is a screw and nut assembly. The bottom plate 11 is aligned with the center of the top plate 12, and the four vertical poles 13 are respectively arranged at the four corners of the lower surface of the top plate 12. The upper ends of the vertical poles 13 are welded and fixed to the lower surface of the top plate 12, and the lower ends of the vertical poles 13 are welded and fixed to the upper surface of the bottom plate 11. The base fixing assembly 14 is provided with a screw 141, a nut 142 and two fixing strips 143. The screw 141 can be a lead screw or a bolt with a hexagonal bolt head. The nut 142 is a hexagonal nut, and the fixing strip 143 is threaded steel. When the screw rod 141 adopts a hexagonal bolt, the middle parts of the two fixing strips 143 are respectively welded on a pair of parallel side surfaces of the bolt head; when the screw rod 141 is a lead screw, the base fixing assembly 14 is provided with at least two nuts 142, and the middle parts of the two fixing strips 143 are respectively welded on a pair of parallel side surfaces of one of the hexagonal nuts. A fixing hole is provided in the center of the bottom plate 11, and the screw rod 141 is inserted into the fixing hole. The fixing strip has a suitable length, and the specific length is to place the auxiliary tool on the cap beam frame, the bottom plate 11 is close to the upper surface of the upper end steel bar of the cap beam frame, the fixing strip is perpendicular to the cap beam frame, and is close to the lower surface of the upper end steel bar of the cap beam frame. After the bolts on the screw rod 141 above the bottom plate 11 are tightened, the auxiliary tool as a whole can be fixed on the cap beam frame.

[0029] The boom mounting seat 2 is provided with a rotating disk 21 and a lug plate 22. The rotating disk 21 is horizontally rotatably mounted at the top center of the base 1, and the lug plate 22 is mounted on the upper surface of the rotating disk 21. The lug plates 22 are provided with two lug plates 22 of the same size and parallel to each other, and the upper ends of the two lug plates 22 are provided with through holes of the same height.

[0030] The suspension rod 3 is provided with an operating rod 31 and a hook 32. The operating rod 31 is made of a seamless steel pipe, and the hook 32 is vertically welded to the front end of the operating rod 31. The operating rod 31 is provided with a plurality of connecting holes 311 whose axes are perpendicular to the hook 32 at intervals of 1 / 5 to 1 / 3 of the total length of the hook 32. The operating rod 31 is sandwiched between the two ear plates 22 and is connected to the two ear plates 22 for vertical rotation through pins or bolts passing through the connecting holes 311 and the through holes.

[0031] When the auxiliary tool of the utility model is used, Figure 3 and 4 As shown, the auxiliary tool is fixed to the top of the cap beam skeleton steel bar 5 through the base fixing assembly 14, a suitable connecting hole 311 is selected, the operating rod 31 is connected and fixed to the ear plate 22 by pins or bolts, the rear end of the operating rod 31 is lifted, the stirrup 4 is hooked with the hook 32, the operating rod 31 is pressed down to lift the stirrup 4, so that the hook of the stirrup 4 is higher than the cap beam skeleton steel bar 5, and then the operating rod 31 is rotated horizontally until the hook of the stirrup 4 passes through the steel skeleton of the cap beam, and finally the operating rod 31 is released to construct the next stirrup 4.

[0032] The auxiliary tool of the utility model has a simple structure, and the material is mostly conventional steel. Some of the leftover materials or scraps during construction can be used, and the production is convenient and economical. The use of the auxiliary tool of the utility model to install stirrups can effectively save manpower, shorten the average installation time of a single stirrup, and improve the efficiency of stirrup installation. In addition, after selecting a suitable point to fix the auxiliary tool on the top of the cap beam skeleton steel bar, by adjusting the position of the operating rod fulcrum (connection hole), the installation of all or most of the stirrups between the two columns can be completed, and there is no need to repeatedly move the tool and fix it, which is convenient to operate.

[0033] The present invention is not limited to the above-mentioned specific implementation modes. For ordinary technicians in this field, various changes made based on the above-mentioned conception without creative work all fall within the protection scope of the present invention.

Claims

1. A cap beam stirrup installation auxiliary tool, characterized in that: It includes a base, a boom mounting seat and a boom, wherein the boom mounting seat is horizontally rotatably mounted at the top center of the base, the boom is provided with an operating rod and a hook fixedly mounted at the front end of the operating rod, the operating rod is vertically rotatably mounted at the upper end of the boom mounting seat, and the distance from the rotation fulcrum of the operating rod to the hook is smaller than the distance from the rotation fulcrum to the other end of the operating rod.

2. The cap beam stirrup installation auxiliary tool according to claim 1, characterized in that: The boom mounting seat is provided with a rotating disk and an ear plate, wherein the rotating disk is rotatably mounted at the top center of the base, and the ear plate is mounted on the upper surface of the rotating disk. The ear plate is provided with two parallel ear plates, and the operating rod is clamped between the two ear plates, and the operating rod is rotatably connected to the two ear plates through a pin or bolt that is penetrated.

3. The cap beam stirrup installation auxiliary tool according to claim 2, characterized in that: The operating rod is provided with a plurality of connection holes at intervals, and the upper ends of the two ear plates are provided with through holes of the same height.

4. The cap beam stirrup installation auxiliary tool according to claim 1, characterized in that: The base is provided with a bottom plate, a top plate and a plurality of vertical poles. The bottom plate is aligned with the center of the top plate. The plurality of vertical poles are distributed at the edge of the lower surface of the top plate. The upper ends of the vertical poles are welded and fixed to the lower surface of the top plate, and the lower ends are welded and fixed to the upper surface of the bottom plate.

5. The cap beam stirrup installation auxiliary tool according to claim 4, characterized in that: The bottom plate and the top plate are both rectangular steel plates, and the size of the bottom plate is larger than that of the top plate. The vertical poles are angle steels, and the vertical poles are located at the four corners of the top plate.

6. The cap beam stirrup installation auxiliary tool according to claim 5, characterized in that: The base also includes a base fixing assembly, which is a screw and nut assembly, provided with a screw and a nut. A fixing hole is provided at the center of the base plate, and the screw is inserted into the fixing hole.

7. The cap beam stirrup installation auxiliary tool according to claim 6, characterized in that: The base fixing assembly is also provided with two fixing strips, the screw rod is a part of the hexagonal bolt, and the two fixing strips are respectively welded on a pair of parallel side surfaces of the bolt head.

8. The cap beam stirrup installation auxiliary tool according to claim 6, characterized in that: The base fixing assembly is also provided with two fixing strips, the screw rod is a lead screw, the nut is a hexagonal nut, and the two fixing strips are respectively welded on a pair of parallel side surfaces of the nut.

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