Roadbed side ditch steel bar spacing control tool

Abstract

The utility model relates to the field of road construction tools, and particularly discloses a roadbed side ditch steel bar spacing control tool which comprises a first connecting rod, second connecting rods and vertical rods, the second connecting rods are vertically connected to the two ends of the first connecting rod through connectors, and the vertical rods are installed at the two ends of the second connecting rods through connecting seats. The distance between the two ends of the first connecting rod can be adjusted, the connecting base can be adjusted in a sliding mode along the second connecting rod, the vertical rods which are longitudinally arranged can abut against the side faces of transverse steel bars when the side ditch steel reinforcement cage is welded, and therefore the effect of controlling the distance between the steel bars can be achieved, and welding can be rapidly and accurately conducted; and the distance between the vertical rods can be adjusted according to design parameters, and the device has the advantages of being high in flexibility, simple in structure and easy to operate by a single person.

Description

Technical Field

[0001] The utility model belongs to the field of road construction tools, and particularly relates to a tool for controlling the distance between reinforcing bars in a subgrade side ditch. Background Art

[0002] During the construction of railway or highway subgrades, rectangular or trapezoidal steel cages are required for burying in the subgrade side ditches. The steel cages are usually made by welding prefabricated bent horizontal steel bars and vertical steel bars. In the existing construction process, after the horizontal steel bars are prefabricated, the horizontal and vertical steel bars are placed at the construction site, and then the designed distance is measured by an artificial tape measure and then the steel bars are tied and welded. However, the length measured by the tape measure is short and the measurement error is large, and usually two workers are required to cooperate to complete the measurement with the tape measure, resulting in low construction efficiency.

[0003] In the patent document with the application number "CN2020201097147", a building steel bar set mold is disclosed, which includes multiple sets of molds of different models. The set molds are fixed between the scaffolding work tools. The set mold includes a lower mold and an upper mold. The contours of the lower mold and the upper mold respectively match the bottom section and the top section of the pier section to be prefabricated. A number of positioning round holes for fixing the bottom ends of the steel bars are equally spaced on the lower mold, and a clamping position corresponding to the positioning round holes one by one is provided on the upper mold. The clamping position is used to clamp the top ends of the steel bars. The technical solution in the comparative document adopts a scheme of segmental prefabrication and then unified assembly. Steel bars are erected between the upper and lower molds. After the steel bars are fabricated in segments, the adjacent segments of the steel bars can be directly connected in a building block manner. After connection, concrete is poured, which improves the pouring efficiency of the pier and has practical performance. Although the set mold in the comparative document can also solve the problem of steel bar positioning, the size of the set mold is fixed and cannot be adjusted, and the mold needs to be moved from bottom to top as the pouring progresses, which is not suitable for use in the welding of side ditch steel bars.

[0004] The disclosure of the above background art content is only used to assist in understanding the inventive concept and technical solution of the utility model, and it does not necessarily belong to the prior art of this patent application. Without clear evidence that the above content was publicly available on the filing date of this patent application, the above background art should not be used to evaluate the novelty and creativity of this application. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a tool for controlling the distance between reinforcing bars in a subgrade side ditch, so as to overcome the problem that workers cannot quickly and independently find the distance between horizontal reinforcing bars during the welding of side ditch steel cages, resulting in low work efficiency.

[0006] To achieve the above object, the utility model provides a tool for controlling the steel bar spacing of a subgrade side ditch, comprising: a first connecting rod, a second connecting rod and a vertical rod. The number of the second connecting rods is two, and the middle parts of the second connecting rods are respectively fixedly connected to the two ends of the first connecting rod. The two second connecting rods are parallel to each other. The vertical rod is connected to the end of the second connecting rod through a connecting seat. The vertical rod is perpendicular to the plane where the first connecting rod and the second connecting rod are located. The position of the connecting seat on the second connecting rod is adjustable, and the two ends of the first connecting rod can be telescoped.

[0007] Preferably, in the above technical solution, it further comprises a connecting head. One end of the connecting head is fixedly connected to the end of the first connecting rod. First clamping holes are provided on both sides of the connecting head through which the first clamping holes penetrate. A first clamping groove is formed at the other end of the connecting head, and the first clamping groove communicates with the side of the first clamping hole. The second connecting rod is sleeved in the first clamping hole.

[0008] Preferably, in the above technical solution, a first locking bolt is provided at the other end of the connecting head. The first locking bolt passes through both sides of the first clamping groove. When the first locking bolt is tightened, the two sides of the first clamping groove can be clamped.

[0009] Preferably, in the above technical solution, a second clamping hole is provided at one end of the connecting seat, and a third clamping hole is provided at the other end of the connecting seat. The axes of the second clamping hole and the third clamping hole are perpendicular to each other. The second connecting rod passes through the second clamping hole, and the vertical rod passes through the third clamping hole. A second clamping groove is provided at one end of the connecting seat, and the second clamping groove communicates with the side of the second clamping hole. A third clamping groove is provided at the other end of the connecting seat, and the third clamping groove communicates with the side of the third clamping hole.

[0010] Preferably, in the above technical solution, a second locking bolt is provided at one end of the connecting seat, and a third locking bolt is provided at the other end of the connecting seat. The second locking bolt passes through both sides of the second clamping groove, and the third locking bolt passes through both sides of the third clamping groove. When the second locking bolt is tightened, the two sides of the second clamping groove can be clamped. When the third locking bolt is tightened, the two sides of the third clamping groove can be clamped.

[0011] Preferably, in the above technical solution, first limiting surfaces are provided at both ends of the second connecting rod, and second limiting surfaces are provided inside the second clamping hole. The second limiting surfaces are in contact with the first limiting surfaces to limit the rotation of the second connecting rod in the second clamping hole.

[0012] Preferably, in the above technical solution, the first connecting rod includes a fixed rod and a telescopic rod. One end of the fixed rod is provided with a tube inner cavity, and a rotatable sleeve is provided at the opening of the tube inner cavity. One end of the telescopic rod is provided with a stud, and a threaded hole matching the stud is provided in the sleeve. The stud passes through the threaded hole and extends into the tube inner cavity. When the sleeve is rotated, the stud can be driven to extend or retract outward from the opening of the tube inner cavity.

[0013] Preferably, in the above technical solution, a third limiting surface is provided on the inner side of the tube inner cavity, and a fourth limiting surface is provided on the side of the stud. The fourth limiting surface is in contact with the third limiting surface to limit the rotation of the stud in the tube inner cavity.

[0014] Preferably, in the above technical solution, a fourth locking bolt is provided on the side of the sleeve. When the fourth locking bolt is tightened, the end of the fourth locking bolt can abut against the side of the fixed rod to limit the rotation of the sleeve.

[0015] Preferably, in the above technical solution, a protruding retaining ring is provided on the side of the fixed rod, and a retaining hole is provided at one end of the sleeve. The retaining hole is sleeved on the retaining ring and can rotate. A retaining sleeve is provided at the opening of the retaining hole. One end of the retaining sleeve can abut against the end of the retaining ring to prevent the sleeve from falling off one end of the fixed rod, and the other end of the retaining sleeve extends outward from the opening of the retaining hole and is provided with a card slot.

[0016] Compared with the existing technology, the utility model has the following beneficial effects:

[0017] 1. The tool for controlling the steel bar spacing of the subgrade side ditch in the utility model can abut against the side of the transverse steel bar during the welding of the side ditch steel bar cage through the longitudinally arranged vertical rods, so as to achieve the effect of controlling the steel bar spacing, and thus can perform welding quickly and accurately. Moreover, the spacing between the vertical rods can be adjusted according to the design parameters, with the advantages of high flexibility, simple structure and easy single-person operation.

[0018] 2. The distance between the two ends of the first connecting rod in the utility model can be adjusted, so as to adjust the distance between the two second connecting rods according to the transverse steel bars of different lengths, making the vertical rods always close to the position of the end of the transverse steel bar, which makes it easier for workers to move and align the tool during single-person operation and then weld the end of the transverse steel bar. And because the distance control is carried out near the end of the transverse steel bar, it is not easy to cause the transverse steel bar to shift during welding, thus ensuring the welding quality.

[0019] 3. A fourth locking bolt is provided on the side of the upper sleeve of the first connecting rod in the present utility model. When it is tightened, it can restrict the rotation of the sleeve, thereby preventing the distance between the two ends of the first connecting rod with adjusted length from changing; a bushing is installed at the clamping hole of the sleeve, and a clamping groove is provided at the other end of the bushing, which can facilitate providing a clamping position for the disassembly tool during the installation and maintenance process and facilitate the installation and disassembly of the bushing. Brief Description of the Drawings

[0020] Figure 1 is the structural diagram of the tool for controlling the steel bar spacing of the subgrade side ditch of the present utility model.

[0021] Figure 2 is the structural diagram of the connecting head.

[0022] Figure 3 is the structural diagram of the connecting seat.

[0023] Figure 4 is the partial sectional view of the end of the first connecting rod.

[0024] Figure 5 is the schematic diagram when the tool for controlling the steel bar spacing of the subgrade side ditch is in use.

[0025] Main Reference Numeral Descriptions:

[0026] 100 - First connecting rod, 110 - Fixed rod, 111 - Inner cavity of the pipe, 112 - Third limiting surface, 113 - Snap ring, 120 - Telescopic rod, 130 - Stud, 131 - Fourth limiting surface;

[0027] 200 - Second connecting rod, 210 - First limiting surface;

[0028] 300 - Vertical rod;

[0029] 400 - Connecting seat, 410 - Second clamping hole, 420 - Third clamping hole, 430 - Second clamping groove, 440 - Third clamping groove, 450 - Second locking bolt, 460 - Third locking bolt, 470 - Second limiting surface;

[0030] 500 - Connecting head, 510 - First clamping hole, 520 - First clamping groove, 530 - First locking bolt;

[0031] 600 - Sleeve, 610 - Threaded hole, 620 - Fourth locking bolt, 630 - Clamping hole, 640 - Bushing, 650 - Clamping groove;

[0032] 700 - Transverse steel bar;

[0033] 800 - Longitudinal steel bar. Detailed Implementation Modes

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0035] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top part", "bottom part", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0036] In the description of the present invention, the meaning of "several" is one or more, the meaning of "multiple" is two or more, and understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number. If terms such as "first", "second", "third" are described only for the purpose of description and distinguishing technical features, they should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0037] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected to", "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following will describe the embodiments according to the overall structure of the present utility model.

[0038] As Figures 1 to 4As shown in the figure, the subgrade side ditch steel bar spacing control tool in this embodiment includes: a first connecting rod 100, a fixed rod 110, a pipe inner cavity 111, a third limiting surface 112, a retaining ring 113, a telescopic rod 120, a stud 130, a fourth limiting surface 131, a second connecting rod 200, a first limiting surface 210, a vertical rod 300, a connecting seat 400, a second clamping hole 410, a third clamping hole 420, a second clamping groove 430, a third clamping groove 440, a second locking bolt 450, a third locking bolt 460, a second limiting surface 470, a connecting head 500, a first clamping hole 510, a first clamping groove 520, a first locking bolt 530, a sleeve 600, a threaded hole 610, a fourth locking bolt 620, a clamping hole 630, a clamping sleeve 640, and a clamping groove 650.

[0039] A connecting head 500 is installed at each end of the first connecting rod 100. One end of the connecting head 500 is fixedly connected to the end of the first connecting rod 100. A first clamping hole 510 is formed in the side of the connecting head 500, and the first clamping hole 510 penetrates both sides of the connecting head 500. The axis of the first clamping hole 510 is perpendicular to the axis of the first connecting rod 100. A first clamping groove 520 is formed at the other end of the connecting head 500, and the first clamping groove 520 communicates with the side of the first clamping hole 510. The middle part of the second connecting rod 200 is sleeved in the first clamping hole 510. A first locking bolt 530 is installed on the side of the other end of the connecting head 500. The first locking bolt 530 passes through both sides of the first clamping groove 520 and is threadedly connected to one side of the first clamping groove 520. When the first locking bolt 530 is tightened, the two sides of the first clamping groove 520 can be clamped so that the first clamping hole 510 is tightened. The number of the second connecting rods 200 is the same as the number of the connecting heads 500, which is two. The two second connecting rods 200 are parallel to each other; the vertical rod 300 is connected to the end of the second connecting rod 200 through the connecting seat 400, and the vertical rod 300 is perpendicular to the plane where the first connecting rod 100 and the second connecting rod 200 are located.

[0040] More specifically, one end of the connecting seat 400 is provided with a second clamping hole 410, and the other end of the connecting seat 400 is provided with a third clamping hole 420. The axes of the second clamping hole 410 and the third clamping hole 420 are perpendicular to each other. The second connecting rod 200 passes through the second clamping hole 410, and the vertical rod 300 passes through the third clamping hole 420. One end of the connecting seat 400 is provided with a second clamping groove 430, and the second clamping groove 430 communicates with the side of the second clamping hole 410. The other end of the connecting seat 400 is provided with a third clamping groove 440, and the third clamping groove 440 communicates with the side of the third clamping hole 420. A second locking bolt 450 is installed at one end of the connecting seat 400, and a third locking bolt 460 is installed at the other end of the connecting seat 400. The second locking bolt 450 passes through both sides of the second clamping groove 430 and is threadedly connected to one side of the second clamping groove 430. The third locking bolt 460 passes through both sides of the third clamping groove 440 and is threadedly connected to one side of the third clamping groove 440. When the second locking bolt 450 is tightened, the two sides of the second clamping groove 430 can be clamped so that the second clamping hole 410 is tightened. When the third locking bolt 460 is tightened, the two sides of the third clamping groove 440 can be clamped so that the third clamping hole 420 is tightened. First limiting surfaces 210 are respectively arranged at both ends of the second connecting rod 200, and a second limiting surface 470 is arranged on the inner side of the second clamping hole 410. The second limiting surface 470 is attached to the first limiting surface 210 to limit the rotation of the second connecting rod 200 in the second clamping hole 410.

[0041] More specifically, the first connecting rod 100 includes a fixed rod 110 and a telescopic rod 120. A tube inner cavity 111 is opened at one end of the fixed rod 110. The axis of the tube inner cavity 111 is collinear with the axis of the fixed rod 110. The orifice of the tube inner cavity 111 is opened at the end of the fixed rod 110. A protruding snap ring 113 is arranged on the side of the fixed rod 110 near the orifice of the tube inner cavity 111. A clamping hole 630 is arranged at one end of the sleeve 600, and a threaded hole 610 is arranged at the other end of the sleeve 600. The threaded hole 610 and the clamping hole 630 are coaxial and connected at the bottom. The clamping hole 630 is sleeved on the snap ring 113 and can rotate. A clamping sleeve 640 is installed at the orifice of the clamping hole 630. The clamping sleeve 640 can be connected to the clamping hole 630 either by threading or by interference fit. One end of the clamping sleeve 640 can abut against the end of the snap ring 113 to prevent the sleeve 600 from falling off from one end of the fixed rod 110. The other end of the clamping sleeve 640 extends outward from the orifice of the clamping hole 630 and is provided with a clamping groove 650 for facilitating the clamping of a disassembly tool. A stud 130 is arranged at one end of the telescopic rod 120. The stud 130 passes through the threaded hole 610 and extends into the tube inner cavity 111. The stud 130 is threadedly connected to the threaded hole 610. When the sleeve 600 is rotated, the stud 130 can be driven to extend and retract outward from the orifice of the tube inner cavity 111.

[0042] In addition, a third limiting surface 112 is provided on the inner side of the pipe lumen 111, and a fourth limiting surface 131 is provided on the side of the stud 130. The fourth limiting surface 131 is in contact with the third limiting surface 112 to limit the rotation of the stud 130 in the pipe lumen 111. A fourth locking bolt 620 is installed on the side of the sleeve 600. When the fourth locking bolt 620 is tightened, the end of the fourth locking bolt 620 can abut against the side of the fixing rod 110 to limit the rotation of the sleeve 600.

[0043] Next, a detailed description will be given of the usage method of a tool for controlling the spacing of subgrade side ditch steel bars in this embodiment, so that those skilled in the art can better understand the present invention:

[0044] As Figure 5 shown, during use, first place the longitudinal steel bars parallel on the ground, then place the transverse steel bar 700 perpendicular to the longitudinal steel bar 800. Rotate the sleeve 600 to adjust the lengths of both ends of the first connecting rod 100, with the second connecting rod 200 and the vertical rod 300 being preferably close to both ends of the transverse steel bar 700. Then adjust the position of the connecting seat 400, and through corresponding calculations, make the distance between the two vertical rods 300 on the second connecting rod 200 correspond to the designed distance of the transverse steel bar 700. After adjustment, place the first connecting rod 100 parallel to the transverse steel bar 700, make the sides of the two vertical rods 300 on one side of the first connecting rod 100 abut against the side of the transverse steel bar 700, then manually arrange the next transverse steel bar 700, make the side of this transverse steel bar 700 abut against the sides of the two vertical rods 300 on the other side of the first connecting rod 100, and then perform welding, thereby achieving the effect of controlling the spacing of the transverse steel bars 700. And because this tool is relatively light, it can be moved by a single person to perform welding operations.

[0045] In summary, the tool for controlling the spacing of subgrade side ditch steel bars in this embodiment can abut against the side of the transverse steel bar 700 during the welding of the side ditch steel bar cage through the longitudinally arranged vertical rods 300, thereby achieving the effect of controlling the steel bar spacing, enabling rapid and accurate welding. Moreover, the spacing between the vertical rods 300 can be adjusted according to the design parameters, and it has the advantages of high flexibility, simple structure, and easy operation by a single person.

[0046] The foregoing description of specific exemplary embodiments of the present utility model is for purposes of illustration and exemplification, and is not intended to limit the present utility model to the precise forms disclosed. Obviously, many changes and variations are possible in light of the above teachings. Although embodiments of the present utility model have been shown and described, the specific embodiments are merely interpretations of the present utility model and not limitations thereof. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present utility model and its practical applications, so that those skilled in the art can, after reading this specification, make modifications, substitutions, variations, and various different selections and changes that do not make a creative contribution to the embodiments as needed, but as long as they are within the scope of the claims of the present utility model, they are protected by the patent law.

Claims

1. A control tool for the steel bar spacing of the side ditch of the roadbed, characterized in that Comprising: A first connecting rod, a second connecting rod and a vertical rod. The number of the second connecting rods is two. The middle parts of the second connecting rods are respectively fixedly connected to the two ends of the first connecting rod. The two second connecting rods are parallel to each other. The vertical rod is connected to the end of the second connecting rod through a connecting seat. The vertical rod is perpendicular to the plane where the first connecting rod and the second connecting rod are located. The position of the connecting seat on the second connecting rod is adjustable, and the two ends of the first connecting rod can be telescopic.

2. The subgrade side ditch steel bar spacing control tool according to claim 1, characterized in that It further includes a connecting head. One end of the connecting head is fixedly connected to the end of the first connecting rod. First clamping holes are provided through both sides of the connecting head. A first clamping groove is formed at the other end of the connecting head. The first clamping groove communicates with the side of the first clamping hole. The second connecting rod is sleeved in the first clamping hole.

3. The roadbed side ditch steel bar spacing control tool according to claim 2, characterized in that, A first locking bolt is provided at the other end of the connecting head. The first locking bolt passes through both sides of the first clamping groove. When the first locking bolt is tightened, the two sides of the first clamping groove can be clamped.

4. The subgrade side ditch steel bar spacing control tool according to claim 1, characterized in that, One end of the connecting seat is provided with a second clamping hole, and the other end of the connecting seat is provided with a third clamping hole. The axes of the second clamping hole and the third clamping hole are perpendicular to each other. The second connecting rod passes through the second clamping hole, and the vertical rod passes through the third clamping hole. One end of the connecting seat is provided with a second clamping groove, and the second clamping groove communicates with the side of the second clamping hole. The other end of the connecting seat is provided with a third clamping groove, and the third clamping groove communicates with the side of the third clamping hole.

5. The roadbed side ditch steel bar spacing control tool according to claim 4, characterized in that, A second locking bolt is provided at one end of the connecting seat, and a third locking bolt is provided at the other end of the connecting seat. The second locking bolt passes through both sides of the second clamping groove, and the third locking bolt passes through both sides of the third clamping groove. When the second locking bolt is tightened, the two sides of the second clamping groove can be clamped. When the third locking bolt is tightened, the two sides of the third clamping groove can be clamped.

6. The subgrade side ditch steel bar spacing control tool according to claim 5, characterized in that First limiting surfaces are provided at both ends of the second connecting rod. A second limiting surface is provided inside the second clamping hole. The second limiting surface is in contact with the first limiting surface to limit the rotation of the second connecting rod in the second clamping hole.

7. The tool for controlling the steel bar spacing of the side ditch of the roadbed according to claim 1, characterized in that The first connecting rod includes a fixed rod and a telescopic rod. A tube inner cavity is formed at one end of the fixed rod. A rotatable sleeve is provided at the orifice of the tube inner cavity. A stud is provided at one end of the telescopic rod. A threaded hole matching the stud is provided in the sleeve. The stud passes through the threaded hole and extends into the tube inner cavity. When the sleeve is rotated, the stud can be driven to extend outwards from the orifice of the tube inner cavity.

8. The subgrade side ditch steel bar spacing control tool according to claim 7, characterized in that, A third limiting surface is provided inside the tube inner cavity. A fourth limiting surface is provided on the side of the stud. The fourth limiting surface is in contact with the third limiting surface to limit the rotation of the stud in the tube inner cavity.

9. The subgrade side ditch steel bar spacing control tool according to claim 8, characterized in that, A fourth locking bolt is provided on the side of the sleeve. When the fourth locking bolt is tightened, the end of the fourth locking bolt can abut against the side of the fixed rod to limit the rotation of the sleeve.

10. The roadbed side ditch steel bar spacing control tool according to claim 9, characterized in that A retaining ring protruding outward is provided on the side of the fixed rod. A retaining hole is provided at one end of the sleeve. The retaining hole is sleeved on the retaining ring and can rotate. A retaining sleeve is provided at the orifice of the retaining hole. One end of the retaining sleeve can abut against the end of the retaining ring to prevent the sleeve from falling off from one end of the fixed rod. The other end of the retaining sleeve extends outward from the orifice of the retaining hole and is provided with a card slot.

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