Prefabricated roof truss conveying device

Abstract

The utility model relates to the technical field of transfer equipment, specifically a prefabricated roof truss transfer device, including a base plate, and also includes: a moving assembly, the base plate is moved by the moving assembly; two clamping plates, the top of the base plate is provided with a centering mechanism that enables the two clamping plates to perform centering movement; a positioning mechanism, the positioning mechanism includes four fixed rods and an adjustment mechanism, the adjustment mechanism is used to adjust the relative positions of the four positioning rods; the moving assembly includes four universal wheels, the four universal wheels are respectively fixed at the four corners of the bottom of the base plate; the centering mechanism includes a plurality of guide rods and two support plates, the two support plates are respectively fixed at the two side positions of the base plate, the two ends of the guide rods are respectively fixed on the support plates, and the clamping plates are slidably sleeved on each guide rod. The utility model has a simple overall structure, is easy to manufacture and maintain, and can realize the transfer of prefabricated roof trusses without the aid of a forklift, and has a simple operation method.

Description

Technical Field

[0001] The utility model relates to the technical field of transfer equipment, in particular to a prefabricated roof truss transfer device. Background Art

[0002] Roof truss, roof truss is one of the components of a house; the truss used in the roof structure, it bears the weight of the roof and frame as well as the wind load acting on the upper chord, and is mostly made of wood, steel or reinforced concrete, and has various shapes such as triangle, trapezoid, arch, etc.; the roof truss is generally in the form of a triangle, consisting of an upper chord, a lower chord, vertical webs and diagonal webs. Depending on the material, there are wooden trusses, steel trusses and reinforced concrete trusses, etc.; wooden trusses are suitable for a small span range, generally not exceeding twelve meters, and reinforced concrete trusses or steel trusses should be used for large span spaces.

[0003] Existing prefabricated steel structure roof trusses are generally lifted to the roof by a crane after being spliced ​​at the construction site. If the crane is moved to other places, workers need to move to the vicinity of the crane, which requires the use of tools. Therefore, a prefabricated roof truss transfer device is disclosed. Utility Model Content

[0004] Based on the deficiencies in the prior art mentioned in the above background technology, the utility model provides a prefabricated roof truss transferring device.

[0005] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0006] A prefabricated roof truss transfer device comprises a bottom plate and further comprises:

[0007] A moving assembly, wherein the base plate is moved by the moving assembly;

[0008] Two clamping plates, the top of the bottom plate is provided with a centering mechanism for enabling the two clamping plates to perform centering movement;

[0009] The positioning mechanism comprises four positioning rods and an adjusting mechanism, and the adjusting mechanism is used to adjust the relative positions of the four positioning rods.

[0010] As a further solution of the utility model: the moving assembly includes four universal wheels, and the four universal wheels are respectively fixed at four corners of the bottom of the base plate.

[0011] As a further solution of the utility model: the centering mechanism includes multiple guide rods and two support plates, the two support plates are respectively fixed at two sides of the base plate, the two ends of the guide rods are respectively fixed on the support plates, and the clamping plate is slidably mounted on each guide rod.

[0012] As a further solution of the utility model: the centering mechanism also includes a double-threaded rod, and the outer sides of the two clamping plates are respectively provided with a left-handed threaded hole and a right-handed threaded hole, and the two ends of the double-threaded rod are respectively installed in the left-handed threaded hole and the right-handed threaded hole through threads, and the outer sides of the two support plates are provided with a rotating hole, and the two ends of the double-threaded rod are respectively rotatably installed in the two rotating holes.

[0013] As a further solution of the utility model: the adjustment mechanism includes a square frame, a pair of first rectangular frames and a pair of second rectangular frames, the square frame is fixed to the bottom plate, the first rectangular frame and the second rectangular frame are both arranged in the square frame and are relatively perpendicular to each other, first guide holes are opened at both ends of the first rectangular frame, a first guide rod is slidably arranged in the hole of the first guide hole, the first guide rod is fixed in the square frame, second guide holes are opened at both ends of the second rectangular frame, a second guide rod is slidably arranged in the hole of the second guide hole, the second guide rod is fixed in the square frame, a square rod is slidably arranged together with the first rectangular frame and the second rectangular frame, limiting plates are fixed on the top and bottom of the square rod, and the fixed rod is coaxially fixed with the square rod.

[0014] As a further solution of the utility model: a rubber layer is fixedly sleeved on the outer side of the clamping plate.

[0015] As a further solution of the utility model: a support platform is fixedly installed on the top of the base plate.

[0016] After adopting the above structure, the utility model has the following advantages compared with the prior art:

[0017] The transfer device has a simple overall structure and is easy to manufacture and maintain. It can also be used to transfer prefabricated roof trusses without the need for a forklift, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 This is a schematic structural diagram of the positioning mechanism of the utility model from a first viewing angle.

[0020] Figure 3 This is a structural schematic diagram of the positioning mechanism of the utility model from a second viewing angle.

[0021] Figure 4 It is a working schematic diagram of the utility model;

[0022] Figure 5 It is a partial schematic diagram of the working part of the utility model.

[0023] In the figure: 1, bottom plate; 2, universal wheel; 3, support platform; 4, clamping plate; 5, guide rod; 6, double-threaded rod; 7, positioning mechanism; 701, square frame; 702, first rectangular frame; 703, square rod; 704, limit plate; 705, fixed rod; 706, second rectangular frame; 707, second guide rod; 708, first guide rod.

[0024] a. Prefabricated steel structure roof truss. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 5 In an embodiment of the utility model, a prefabricated roof truss transfer device includes a bottom plate 1 and further includes:

[0027] A moving assembly, wherein the base plate 1 is moved by the moving assembly;

[0028] Two clamping plates 4, the top of the bottom plate 1 is provided with a centering mechanism for making the two clamping plates 4 perform centering movement;

[0029] The positioning mechanism 7 includes four positioning rods 705 and an adjusting mechanism, and the adjusting mechanism is used to adjust the relative positions of the four positioning rods.

[0030] Specifically, the mobile assembly includes four universal wheels 2, and the four universal wheels 2 are respectively fixed at the four corners of the bottom of the base plate 1;

[0031] In the present invention, the entire device is moved via the universal wheels 2 .

[0032] Specifically, the centering mechanism includes a plurality of guide rods 5 and two support plates, the two support plates are respectively fixed at two sides of the bottom plate 1, the two ends of the guide rods 5 are respectively fixed on the support plates, and the clamping plate 4 is slidably sleeved on each guide rod 5;

[0033] In the present invention, the setting of the guide rods 5 enables the two clamping plates 4 to move only linearly on the base plate 1 .

[0034] Specifically, the centering mechanism also includes a double-threaded rod 6, and the outer sides of the two clamping plates 4 are respectively provided with a left-handed threaded hole and a right-handed threaded hole, and the two ends of the double-threaded rod 6 are respectively installed in the left-handed threaded hole and the right-handed threaded hole through threads, and the outer sides of the two support plates are provided with a rotation hole, and the two ends of the double-threaded rod 6 are respectively rotatably installed in the two rotation holes;

[0035] In the present invention, the double-threaded rod 6 is rotated, and the double-threaded rod 6 causes the two clamping plates 4 to move linearly along the guide rod 5 through threaded transmission at both ends, and the two clamping plates 4 move in opposite directions.

[0036] Specifically, the adjustment mechanism includes a square frame 701, a pair of first rectangular frames 702 and a pair of second rectangular frames 706, the square frame 701 is fixed to the bottom plate 1, the first rectangular frame 702 and the second rectangular frame 706 are both arranged in the square frame 701 and are relatively perpendicular to each other, both ends of the first rectangular frame 702 are provided with first guide holes, a first guide rod 708 is slidably arranged in the hole of the first guide hole, the first guide rod 708 is fixed in the square frame 701, both ends of the second rectangular frame 706 are provided with second guide holes, a second guide rod 707 is slidably arranged in the hole of the second guide hole, the second guide rod 707 is fixed in the square frame 701, the first rectangular frame 702 and the second rectangular frame 706 are slidably provided with a square rod 703, the top and bottom of the square rod 703 are fixed with limit plates 704, and the fixed rod 705 is coaxially fixed with the square rod 703;

[0037] In the utility model, the relative positions of the two first rectangular frames 702 are adjusted to adjust the horizontal spacing between the square bars 703, and then the relative positions of the two second rectangular frames 706 are adjusted to adjust the vertical spacing between the square bars 703, that is, the rectangular distribution of the four square bars 703 is adjusted so that the fixed rods 705 on the square bars 703 can be aligned with the positioning holes of the prefabricated steel structure trusses.

[0038] Specifically, a rubber layer for increasing friction is fixedly sleeved on the outer side of the clamping plate 4 .

[0039] Specifically, a support platform 3 for support is fixedly installed on the top of the base plate 1 .

[0040] Working principle: adjust the relative position of the two first rectangular frames 702 to adjust the horizontal spacing between the square rods 703, and then adjust the relative position of the two second rectangular frames 706 to adjust the longitudinal spacing between the square rods 703, that is, adjust the rectangular distribution of the four square rods 703, so that the fixed rods 705 on the square rods 703 can be aligned with the positioning holes of the prefabricated steel structure trusses, insert the positioning holes of the prefabricated steel structure trusses a into each positioning rod, rotate the double-threaded rod 6, and the double-threaded rod 6 uses threaded transmission at both ends to make the two clamps 4 move in a straight line along the guide rod 5, and the two clamps 4 move in opposite directions until the clamps 4 clamp the prefabricated steel structure truss a, and then move the entire prefabricated steel structure truss a for transfer.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A prefabricated roof truss transfer device, comprising a bottom plate (1), characterized in that: Also includes: A moving assembly, wherein the base plate (1) is moved by the moving assembly; Two clamping plates (4), a centering mechanism for enabling the two clamping plates (4) to perform centering movement is provided on the top of the base plate (1); A positioning mechanism (7), the positioning mechanism (7) comprising four positioning rods (705) and an adjustment mechanism, the adjustment mechanism being used to adjust the relative positions of the four positioning rods.

2. A prefabricated roof truss transfer device according to claim 1, characterized in that: The moving assembly comprises four universal wheels (2), and the four universal wheels (2) are respectively fixed at four corners of the bottom of the base plate (1).

3. The prefabricated roof truss transfer device according to claim 1, characterized in that: The centering mechanism comprises a plurality of guide rods (5) and two support plates, wherein the two support plates are respectively fixed at two side positions of the base plate (1), the two ends of the guide rods (5) are respectively fixed to the support plates, and the clamping plates (4) are slidably sleeved on each guide rod (5).

4. A prefabricated roof truss transfer device according to claim 3, characterized in that: The centering mechanism also includes a double-threaded rod (6), the outer sides of the two clamping plates (4) are respectively provided with a left-handed threaded hole and a right-handed threaded hole, and the two ends of the double-threaded rod (6) are respectively installed in the left-handed threaded hole and the right-handed threaded hole through threads, and the outer sides of the two support plates are both provided with a rotating hole, and the two ends of the double-threaded rod (6) are respectively rotatably installed in the two rotating holes.

5. The prefabricated roof truss transfer device according to claim 1, characterized in that: The adjustment mechanism comprises a square frame (701), a pair of first rectangular frames (702) and a pair of second rectangular frames (706); the square frame (701) is fixed to the bottom plate (1); the first rectangular frame (702) and the second rectangular frame (706) are both arranged in the square frame (701) and are relatively perpendicular to each other; first guide holes are provided at both ends of the first rectangular frame (702); first guide rods (708) are slidably arranged in the holes of the first guide holes; the first guide rods (708) are fixed to the bottom plate (1) and ... holes are slidably arranged in the holes of the first guide holes; the first guide rods (708) are fixed to the bottom plate (1) and the first guide rods (708) are fixed to the bottom plate (1) and the first guide holes are fixed to the bottom plate (1) and the first guide holes are fixed to the bottom plate (1) and the first guide holes are fixed to the bottom plate (1) and the first guide holes are fixed to the bottom plate (1) and the first guide holes are fixed to the bottom plate (1) and the first guide holes are fixed to the bottom plate (1) and the first guide holes are fixed to the bottom plate (1) and the first guide holes are fixed to the bottom plate (1) and the first guide holes are In the square frame (701), both ends of the second rectangular frame (706) are provided with second guide holes, in which the second guide holes are slidably provided with second guide rods (707), and the second guide rods (707) are fixed in the square frame (701). The first rectangular frame (702) and the second rectangular frame (706) are slidably provided with a square rod (703), and the top and bottom of the square rod (703) are fixed with limit plates (704), and the fixed rod (705) is coaxially fixed with the square rod (703).

6. The prefabricated roof truss transfer device according to claim 1, characterized in that: A rubber layer is sleeved and fixed on the outer side of the clamping plate (4).

7. The prefabricated roof truss transfer device according to claim 1, characterized in that: A support platform (3) is fixedly mounted on the top of the base plate (1).

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