A tray device and method for laying multi-layer steel bars

Abstract

The present invention relates to the technical field of steel bar laying, specifically to a tray device and a laying method for multi-layer steel bar laying, the device comprising a tray body, a long bar adjustment component, a short bar adjustment component and a screw transmission device; the long bar adjustment component comprises a fixed placement slot and a long bar moving slot, and the fixed placement slot, the short bar adjustment component and the long bar moving slot are sequentially arranged from one end of the screw transmission device; the tray device also comprises a medium and long bar support plate, and the medium and long bar support plate is arranged on the long bar adjustment component and the short bar adjustment component; a first distance sensor is arranged on the opposite surface of the fixed placement slot and the short bar adjustment component, and a second distance sensor is arranged on the opposite surface of the short bar adjustment component and the long bar moving slot. The present invention can be applied to the welding of box girders of different models through the cooperation of the distance sensor and the screw device, reduces the replacement of the box girder mold, has a high degree of automation, and is low in cost.

Description

Technical Field

[0001] The invention relates to the technical field of steel bar distribution, and in particular to a tray device and a distribution method for multi-layer steel bar distribution. Background Art

[0002] Prefabricated box girder positioning steel mesh is an auxiliary measure for prestressed construction, controlling the linear shape of the prestressed pipe. Its construction accuracy has an important impact on the quality and stress characteristics of railway prefabricated box girders. Prefabricated box girder positioning steel mesh is an auxiliary mesh for positioning and installing prestressed tendons in railway box girders, and plays a vital role in the installation position, installation linearity, and quality of prefabricated box girders.

[0003] The prefabricated box girder positioning steel mesh is made of long bars, short bars and medium-long bars spliced ​​into a criss-cross shape and then welded; the preparation process for box girders in the existing technology is to prepare a jig corresponding to the finished box girder, and then use the jig as a mold for processing. In the face of different types of box girders, it is necessary to process the corresponding box girder jigs, which is very difficult to process and it is very inconvenient to replace jigs of different types.

[0004] Therefore, in view of the above-mentioned shortcomings of the prior art, there is an urgent need for a tray device and a distribution system for multi-layer steel bar distribution. Summary of the invention

[0005] In order to avoid the above problems existing in the prior art, an object of the present invention is to provide a tray device and a laying method for laying multi-layer steel bars.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a tray device for multi-layer steel bar distribution, comprising a tray body, a long steel bar adjustment component, a short steel bar adjustment component and a screw transmission device;

[0007] The long rib adjustment assembly includes a fixed placement slot and a long rib moving slot, the screw transmission device is arranged on the pallet body, and the fixed placement slot, the short rib adjustment assembly and the long rib moving slot are arranged in sequence from one end of the screw transmission device; the pallet device also includes a medium-long rib support plate, and the medium-long rib support plate is arranged on the long rib adjustment assembly and the short rib adjustment assembly;

[0008] A first distance sensor is arranged on the opposite surface of the fixed placement slot and the short rib adjustment component, and a second distance sensor is arranged on the opposite surface of the short rib adjustment component and the long rib moving slot.

[0009] The present invention is further configured such that the screw transmission device includes a first screw, a second screw and a screw drive module, the short rib adjustment assembly is arranged on the first screw, and the long rib moving groove is arranged on the second screw.

[0010] The present invention is further configured such that the short rib adjustment assembly includes a short rib support plate and a first slider, the short rib support plate is arranged on the first slider, two groups of short rib brackets are arranged on the short rib support plate; a transmission hole is arranged on the first slider, and the first slider is engaged with the first lead screw through the transmission hole.

[0011] The present invention is further configured such that the long rib movable groove comprises a movable long rib support plate and a second slider, the movable long rib support plate is arranged on the second slider; a transmission hole is arranged on the second slider, and the second slider is engaged with the second lead screw through the transmission hole; the fixed placement groove comprises a fixed long rib support plate and a fixed platform, the fixed long rib support plate is arranged on the fixed platform, and the fixed platform is fixed on the pallet body.

[0012] The present invention is further configured such that the first lead screw and the second lead screw are reciprocating lead screws.

[0013] The present invention is further configured such that the medium and long rib support plate includes a first medium and long rib support plate, a second medium and long rib support plate and a third medium and long rib support plate; the first medium and long rib support plate is arranged on the fixed platform perpendicular to the fixed long rib support plate; the second medium and long rib support plate is arranged on the first slider perpendicular to the short rib support plate; the third medium and long rib support plate is arranged on the second slider perpendicular to the movable long rib support plate.

[0014] The present invention is further configured such that the horizontal height of the medium and long rib support plate is lower than that of the short rib support plate, the fixed long rib support plate and the movable long rib support plate.

[0015] The present invention is further configured such that the pallet device further comprises a material distribution control system, and the material distribution control system is signal-connected to the first distance sensor, the second distance sensor and the lead screw drive module.

[0016] The present invention also relates to a method for distributing multi-layer steel bars, which is used in conjunction with the above-mentioned tray device for distributing multi-layer steel bars, and comprises the following steps:

[0017] S1: Replace the short rib support plate and the medium and long rib support plate of corresponding size according to the preset short rib spacing and medium and long rib spacing;

[0018] S2: The material distribution system starts the first lead screw to drive the short rib adjustment assembly to move toward the fixed placement slot. When the first distance sensor detects that the distance between the short rib adjustment assembly and the fixed placement slot is L1, the first lead screw is stopped.

[0019] S3: The loading gantry grabs the medium and long ribs and places them on the first medium and long rib support plate and the second medium and long rib support plate;

[0020] S4: After the middle and long bars are placed, the loading gantry grabs the short bars again and places them on the short bar support plate. The middle and long bars overlap with the short bars in a tic-tac-toe shape, and the welding mechanism performs the first welding.

[0021] S5: The material distribution system starts the second lead screw to drive the long rib moving groove to move toward the short rib adjustment assembly. When the second distance sensor detects that the distance between the short rib adjustment assembly and the long rib moving groove is L2, the second lead screw is stopped.

[0022] S6: The loading gantry grabs the long reinforcement for loading, the long reinforcement and the medium-long reinforcement overlap in a tic-tac-toe shape, and the welding mechanism performs the second welding.

[0023] The present invention is further configured such that L1 is a preset spacing, which needs to satisfy the following formula:

[0024] ;

[0025] L2 is calculated by the following formula:

[0026] ;

[0027] Where Z is the length of the middle rib and k is the width of the first slider.

[0028] In summary, the beneficial effects of the above technical solution of the present invention are as follows:

[0029] The present invention provides a tray device and a method for laying multi-layer steel bars. Through the cooperation of a distance sensor and a lead screw device, the tray device can be applied to welding of box girders of different models, reducing the replacement of box girder jigs, having a high degree of automation and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0031] Figure 1 This is a schematic structural diagram of a tray device for multi-layer reinforcement distribution according to an embodiment.

[0032] Figure 2 A top view of a tray device for multi-layer reinforcement distribution according to an embodiment.

[0033] In the accompanying drawings, the meanings of the reference numerals are as follows:

[0034] 100. Screw drive module, 101. First screw, 102. Second screw, 200. Fixed placement slot, 210. Fixed long rib support plate, 300. Long rib movable slot, 310. Mobile long rib support plate, 400. Short rib adjustment assembly, 410. Short rib support plate, 510. First medium and long rib support plate, 520. Second medium and long rib support plate, 530. Third medium and long rib support plate, 600. Short ribs, 700. Medium and long ribs, 800. Long ribs. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments of the present invention, other similar embodiments obtained by ordinary technicians in the field without making any creative work should all fall within the scope of protection of the present invention.

[0036] In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only reference directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0037] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0038] Embodiment 1:

[0039] like Figure 1-Figure 2 As shown, it is a preferred embodiment of the present invention, a tray device for multi-layer reinforcement material distribution, including a tray body, a long reinforcement adjustment component, a short reinforcement adjustment component 400 and a screw transmission device;

[0040] The long rib adjustment assembly includes a fixed placement slot 200 and a long rib moving slot 300, the screw transmission device is arranged on the pallet body, and the fixed placement slot 200, the short rib adjustment assembly 400 and the long rib moving slot 300 are arranged in sequence from one end of the screw transmission device; the pallet device also includes a medium-long rib support plate, and the medium-long rib support plate is arranged on the long rib adjustment assembly and the short rib adjustment assembly 400;

[0041] A first distance sensor is disposed on a surface of the fixed placement slot 200 opposite to the short rib adjustment assembly 400 , and a second distance sensor is disposed on a surface of the short rib adjustment assembly 400 opposite to the long rib moving slot 300 .

[0042] The screw transmission device includes a first screw 101 , a second screw 102 and a screw driving module 100 . The short rib adjustment assembly 400 is arranged on the first screw 101 , and the long rib moving groove 300 is arranged on the second screw 102 .

[0043] The short rib adjustment assembly 400 includes a short rib support plate 410 and a first slider. The short rib support plate 410 is arranged on the first slider. Two groups of short rib brackets are arranged on the short rib support plate 410. A transmission hole is arranged on the first slider, and the first slider is engaged with the first lead screw through the transmission hole.

[0044] like Figure 1 As shown, at least two short rib support plates 410 are arranged on the first slider, and each short rib support plate 410 is provided with two groups of short rib brackets. In actual application, a plurality of short rib support plates 410 with different short rib bracket spacings can be prefabricated, and the short rib support plates 410 can be replaced according to actual needs to meet the short rib spacing adjustment.

[0045] The long rib moving groove 300 includes a moving long rib support plate 310 and a second slider, and the moving long rib support plate 310 is arranged on the second slider; a transmission hole is arranged on the second slider, and the second slider is engaged with the second lead screw through the transmission hole; the fixed placement groove 200 includes a fixed long rib support plate 210 and a fixed platform, and the fixed long rib support plate 210 is arranged on the fixed platform, and the fixed platform is fixed on the pallet body.

[0046] The first lead screw 101 and the second lead screw 102 are reciprocating lead screws. When the slider on the reciprocating lead screw moves to the end of the lead screw, it can automatically return to prevent the short rib adjustment component 400 or the long rib moving groove 300 from colliding with the lead screw when the power is off.

[0047] The medium and long rib support plate includes a first medium and long rib support plate 510, a second medium and long rib support plate 520 and a third medium and long rib support plate 530; the first medium and long rib support plate 510 is arranged on the fixed platform perpendicular to the fixed long rib support plate 210; the second medium and long rib support plate 520 is arranged on the first slider perpendicular to the short rib support plate 410; the third medium and long rib support plate 530 is arranged on the second slider perpendicular to the movable long rib support plate 310.

[0048] Two groups of medium and long rib brackets are arranged on the medium and long rib support plate. In actual application, a plurality of medium and long rib support plates with different spacings between medium and long rib brackets can be prefabricated. The medium and long rib support plates can be replaced according to actual needs to meet the adjustment of the medium and long rib spacing.

[0049] The horizontal height of the middle and long rib support plate is lower than that of the short rib support plate 410 , the fixed long rib support plate 210 and the movable long rib support plate 310 .

[0050] The pallet device also includes a material distribution control system, which is connected to the first distance sensor, the second distance sensor and the lead screw drive module by signal.

[0051] Embodiment 2:

[0052] The present invention also relates to a method for distributing multi-layer steel bars, which is used in conjunction with the tray device for distributing multi-layer steel bars described in Example 1, and comprises the following steps:

[0053] S1: According to the preset short rib spacing and the medium and long rib spacing, the short rib support plate 410 and the medium and long rib support plate of corresponding size are replaced;

[0054] S2: the material distribution system starts the first screw 101 to drive the short rib adjustment assembly 400 to move toward the fixed placement slot 200. When the first distance sensor detects that the distance between the short rib adjustment assembly 400 and the fixed placement slot 200 is L1, the first screw 101 is stopped.

[0055] Where L1 is the preset spacing, which must satisfy the following formula:

[0056] ;

[0057] S3: The loading gantry grabs the medium-long ribs and places them on the first medium-long rib support plate 510 and the second medium-long rib support plate 520;

[0058] S4: After the middle and long bars are placed, the loading gantry grabs the short bars again and places them on the short bar support plate 410, so that the middle and long bars overlap with the short bars in a tic-tac-toe shape, and the welding mechanism performs the first welding;

[0059] S5: The material distribution system starts the second lead screw 102 to drive the long rib moving groove 300 to move toward the short rib adjustment assembly 400. When the second distance sensor detects that the distance between the short rib adjustment assembly 400 and the long rib moving groove 300 is L2, the second lead screw 102 is stopped; at this time, the middle and long ribs extend into the middle and long rib bracket groove on the third middle and long rib support plate 530;

[0060] ;

[0061] Where Z is the length of the middle rib and k is the width of the first slider.

[0062] S6: The loading gantry grabs the long reinforcement for loading, the long reinforcement and the medium-long reinforcement overlap in a tic-tac-toe shape, and the welding mechanism performs the second welding.

[0063] It should be noted that since the lead screw is a reciprocating lead screw, that is, the lead screw can complete reciprocating motion by rotating in a single direction, the following restrictions may be added to avoid collision between the long rib moving groove 300 and the short rib adjustment assembly 400:

[0064] If L2<m, the second lead screw 102 stops and is adjusted to run in the opposite rotation direction, where m is the preset minimum distance between the long rib moving groove 300 and the short rib adjustment assembly 400 .

[0065] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A tray device for multi-layer steel bar distribution, characterized in that: It includes a pallet body, a long rib adjustment assembly, a short rib adjustment assembly and a lead screw transmission device; The long rib adjustment assembly includes a fixed placement slot and a long rib moving slot, the screw transmission device is arranged on the pallet body, and the fixed placement slot, the short rib adjustment assembly and the long rib moving slot are arranged in sequence from one end of the screw transmission device; the pallet device also includes a medium-long rib support plate, and the medium-long rib support plate is arranged on the long rib adjustment assembly and the short rib adjustment assembly; The short rib adjustment assembly includes a short rib support plate and a first slider, and the short rib support plate is arranged on the first slider; the long rib moving slot includes a moving long rib support plate and a second slider, and the moving long rib support plate is arranged on the second slider; the fixed placement slot includes a fixed long rib support plate and a fixed platform, and the fixed long rib support plate is arranged on the fixed platform, and the fixed platform is fixed on the pallet body; The medium-long rib support plate includes a first medium-long rib support plate, a second medium-long rib support plate and a third medium-long rib support plate; the first medium-long rib support plate is perpendicular to the fixed long rib support plate and is arranged on the fixed platform; the second medium-long rib support plate is perpendicular to the short rib support plate and is arranged on the first slider; the third medium-long rib support plate is perpendicular to the movable long rib support plate and is arranged on the second slider; A first distance sensor is arranged on the opposite surface of the fixed placement slot and the short rib adjustment component, and a second distance sensor is arranged on the opposite surface of the short rib adjustment component and the long rib moving slot.

2. A tray device for multi-layer steel bar distribution according to claim 1, characterized in that: The screw transmission device includes a first screw, a second screw and a screw driving module. The short rib adjustment component is arranged on the first screw, and the long rib moving groove is arranged on the second screw.

3. A tray device for multi-layer steel bar distribution according to claim 2, characterized in that: The short rib support plate is provided with two groups of short rib brackets; the first slider is provided with a transmission hole, and the first slider is engaged with the first lead screw through the transmission hole.

4. A tray device for multi-layer reinforcement material distribution according to claim 3, characterized in that: The second slider is provided with a transmission hole, and the second slider is meshed with the second lead screw through the transmission hole.

5. A tray device for multi-layer reinforcement material distribution according to claim 4, characterized in that: The first lead screw and the second lead screw are reciprocating lead screws.

6. A tray device for multi-layer reinforcement material distribution according to claim 5, characterized in that: The horizontal height of the medium and long rib support plate is lower than that of the short rib support plate, the fixed long rib support plate and the movable long rib support plate.

7. A tray device for multi-layer reinforcement material distribution according to claim 6, characterized in that: The pallet device also includes a material distribution control system, which is signal-connected to the first distance sensor, the second distance sensor and the lead screw drive module.

8. A method for distributing multi-layer steel bars, used in conjunction with a tray device for distributing multi-layer steel bars according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1: Replace the short rib support plate and the medium and long rib support plate of corresponding size according to the preset short rib spacing and medium and long rib spacing; S2: The material distribution system starts the first lead screw to drive the short rib adjustment assembly to move toward the fixed placement slot. When the first distance sensor detects that the distance between the short rib adjustment assembly and the fixed placement slot is L1, the first lead screw is stopped. S3: The loading gantry grabs the medium and long ribs and places them on the first medium and long rib support plate and the second medium and long rib support plate; S4: After the middle and long bars are placed, the loading gantry grabs the short bars again and places them on the short bar support plate. The middle and long bars overlap with the short bars in a tic-tac-toe shape, and the welding mechanism performs the first welding. S5: The material distribution system starts the second lead screw to drive the long rib moving groove to move toward the short rib adjustment assembly. When the second distance sensor detects that the distance between the short rib adjustment assembly and the long rib moving groove is L2, the second lead screw is stopped. S6: The loading gantry grabs the long reinforcement for loading, the long reinforcement and the medium-long reinforcement overlap in a tic-tac-toe shape, and the welding mechanism performs the second welding.

9. A method for laying multi-layer steel bars according to claim 8, characterized in that: L1 is the preset spacing, which must satisfy the following formula: ； L2 is calculated by the following formula: ； Where Z is the length of the middle rib and k is the width of the first slider.

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