Prefabricated concrete unit transportation protection device

Abstract

The utility model discloses a precast concrete unit transportation protection device which comprises a supporting frame and a supporting plate, the supporting plate is located at the top end of the supporting frame, the included angle between the supporting frame and the supporting plate is obliquely arranged, a sliding seat is slidably connected into the supporting plate, and a second spring rod arranged in the supporting plate penetrates through the sliding seat. The spring part of the second spring rod is attached to the supporting plate and the sliding seat, and the supporting part of the second spring rod is movably connected with the sliding seat; a pressing mechanism used for fixing the prefabricated concrete member is arranged in the sliding seat, and a locking piece used for one-way non-return buffering of the concrete member is arranged in the supporting plate. According to the prefabricated concrete member transportation protection device, the spring rods absorb high-frequency vibration through elastic deformation, energy transmitted to the member is reduced, the rigid tooth blocks provide rigid constraint under low-frequency large displacement, and in combination with guide limiting of the first spring rods, the stability of the member is ensured, and transportation protection on the prefabricated concrete member is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete member technical field, concretely is a kind of prefabricated concrete member transport protection device. BACKGROUND

[0002] The prefabricated concrete member transport protection device is used for fixing, supporting and protecting the support structure of the prefabricated concrete member during transportation, to reduce the damage, deformation or surface damage of the member caused by bumping, collision, vibration or environmental factors.

[0003] The common method of the prefabricated concrete member transport protection structure uses wooden or steel fixing frame, and pads foam board between the member and the fixing frame, and finally uses bolt fixation or nylon binding cross-bundling.

[0004] However, the steel frame directly transmits the bumping impact to the bolt fixation point when the truck passes through the deceleration zone, the local pressure exceeds the compressive strength of concrete, resulting in the crushing of the concrete surface. If thick foam is wrapped around the concrete column and only bound by nylon rope, the foam is compressed and deformed when sudden braking or acceleration occurs, the column displaces forward and backward due to inertia, and the nylon rope cannot limit the displacement, resulting in friction or disengagement impact. Therefore, a prefabricated concrete member transport protection device is needed to solve the above problems. SUMMARY

[0005] The utility model aims at providing a prefabricated concrete member transport protection device to solve the problem of stress concentration caused by excessive dependence on rigid support and unstable fixation caused by excessive dependence on flexible buffer in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a prefabricated concrete member transport protection device, comprising a support frame and a support plate, the support plate is located at the top end of the support frame, the included angle between the support frame and the support plate is inclined, a sliding seat is slidably connected inside the support plate, a second spring rod provided inside the support plate penetrates the sliding seat, the spring part of the second spring rod is attached to the support plate and the sliding seat, and the support part of the second spring rod is movably connected to the sliding seat.

[0007] A pressing mechanism for fixing the prefabricated concrete member is arranged in the sliding seat, and a locking piece for one-way non-return buffer of the concrete member is arranged inside the support plate.

[0008] As a preferred technical scheme of the utility model, the pressing mechanism comprises a bolt knob and a pressing plate, one end of the bolt knob is threadedly connected with the pressing plate.

[0009] By the above technical scheme, the bolt knob is pressed against the sliding seat through thread transmission with the pressing plate, so as to achieve the effect of limiting fixation.

[0010] The utility model discloses a sliding seat is internally provided with a sliding groove, and the sliding groove is attached to one end of the bolt knob.

[0011] By the above technical scheme, the length of the sliding groove determines the lifting distance of the pressing plate.

[0012] As a preferred technical scheme of the utility model, the locking member comprises a groove, a limiting plate, a first spring rod and a tooth block.

[0013] By the above technical scheme, the groove limits the position of the limiting plate, and the limiting plate can only move in and out of the groove.

[0014] As a preferred technical scheme of the utility model, the spring part of the first spring rod is attached to the limiting plate and the groove, the supporting part of the first spring rod is slidingly matched with the limiting plate, and one end of the first spring rod is fixedly connected with the groove.

[0015] By the above technical scheme, the first spring rod is inserted into the limiting plate, so that the limiting plate can move in the groove.

[0016] As a preferred technical scheme of the utility model, the tooth blocks are arranged at one end of the sliding seat and the limiting plate respectively, and the tooth blocks on the surfaces of the sliding seat and the limiting plate are mutually engaged.

[0017] By the above technical scheme, the tooth blocks are arranged at equal intervals and are mutually engaged in an inclined manner, one end is a plane, and the other end is an arc surface, and the two are attached or slide to form a one-way non-return locking structure.

[0018] As a preferred technical scheme of the utility model, the slide rod arranged at one end of the limiting plate penetrates the supporting plate, and the supporting plate is slidingly matched with the slide rod.

[0019] By the above technical scheme, the slide rod is fixedly connected with the limiting plate, and can move horizontally synchronously.

[0020] As a preferred technical scheme of the utility model, one end of the slide rod is connected with a lever member, the lever member comprises a crowbar and a support, the crowbar and the support are slidingly connected, the crowbar is hingedly connected with one end of the slide rod, and the support is arranged on the outer wall of the supporting plate and corresponds to one end of the slide rod.

[0021] By the above technical scheme, the lever member uses lever force to pull the slide rod and the limiting plate to move, and the tooth blocks of the sliding seat and the limiting plate are separated.

[0022] Compared with the prior art, the prefabricated concrete component transportation protection device has the beneficial effects that:

[0023] The traditional steel frame bolt fixation causes local pressure to exceed the limit, the device is locked by the tooth block meshing and energy storage of the second spring rod, realizes dynamic locking, prevents component sliding and impact, the second spring rod absorbs high-frequency vibration through elastic deformation, reduces energy transmission to the component, the rigid tooth block provides rigid constraint under low-frequency large displacement, and the guiding and limiting of the first spring rod are combined to ensure the stability of the component and increase transportation protection of the prefabricated concrete component. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a support plate internal section structure schematic view of the utility model;

[0026] Figure 3 It is a support plate three-dimensional structure schematic view of the utility model;

[0027] Figure 4 It is a sliding seat and limiting plate dismounting structure schematic view of the utility model;

[0028] Figure 5 It is a recess internal section structure schematic view of the utility model.

[0029] In the drawing: 1, support frame; 2, support plate; 3, sliding seat; 4, recess; 5, limiting plate; 6, tooth block; 7, sliding rod; 8, lever; 9, first spring rod; 10, second spring rod; 11, sliding groove; 12, bolt knob; 13, pressing plate. DETAILED DESCRIPTION

[0030] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a prefabricated concrete component transportation protection device, including support frame 1 and support plate 2, support plate 2 is located at the top end of support frame 1, and the included angle between support frame 1 and support plate 2 is inclinedly arranged, sliding seat 3 is slidably connected in support plate 2, second spring rod 10 provided in support plate 2 penetrates sliding seat 3, and the spring portion of second spring rod 10 is attached with support plate 2 and sliding seat 3, and the support portion of second spring rod 10 is movably connected with sliding seat 3, and support portion is installed on support plate 2, which means being installed at the first end and the last end of support plate 2.

[0031] Sliding seat 3 is provided with a pressing mechanism for fixing prefabricated concrete component, and support plate 2 is provided with a locking member for one-way check and buffering concrete component.

[0032] Please refer to Figure 1The two end connecting points of the support frame 1 and the support plate 2 are inclined at an angle of 45 degrees, so that the prefabricated concrete component is placed at an inclined angle, the inertia force of sudden braking is reduced, the top corner position of the sliding seat 3 has a certain height and is in an L-shaped structure, the bottom thereof extends upward, the supporting area of the prefabricated concrete component is increased, the two end top corners of the prefabricated concrete component directly correspond to the positions of the symmetrically arranged sliding seats 3, and the prefabricated concrete component is in the same angle with the sliding seats 3, and the prefabricated concrete component slides downward by using the self-weight thereof;

[0033] The groove 4 arranged in the support plate 2 can be arranged in multiple or single, and the position needs to be preset, when the one-way check locking structure is not engaged, the two can be engaged by manually pushing, and the specific result is that the connecting surface of the sliding seat 3 and the limiting plate 5 is provided with a plurality of bottom tooth blocks 6 with the same interval, one end of the tooth block 6 is a plane and the other end is an inclined surface, and a plurality of tooth blocks 6 are engaged with each other, when the sliding seat 3 slides to the position of the limiting plate 5, the inclined surfaces of the tooth blocks 6 are engaged with each other and are pressed, so that the limiting plate 5 moves to the end of the first spring rod 9, at this time, the second spring rod 10 continuously stores energy, when the storage capacity is greater than the inertia force of the downward sliding of the sliding seat 3, the tooth blocks 6 will rebound slightly backward, until the planes of the tooth blocks 6 are engaged to form a limit, when the inertia force generated by bumping or sudden acceleration occurs, the sliding seat 3 and the limiting plate 5 will press the second spring rod 10 again, and then the tooth blocks 6 are engaged with each other again, so that the effect of the more bumping, the tighter the fixing is achieved;

[0034] The pressing plate 13 is in a plane structure and is engaged with the surface of the prefabricated concrete component, after the prefabricated concrete component and the sliding seat 3 are engaged and fixed, the control screw knob 12 or the pressing plate 13 vertically slides in the sliding groove 11, until the pressing plate 13 is completely engaged with the concrete component, one end of the pressing plate 13 is provided with a protruding block and is inserted into the guide groove in the sliding seat 3, for guiding movement, when the compaction is completed, the screw knob 12 is tightened to press the sliding groove 11 and fix the current position of the pressing plate 13;

[0035] When it is necessary to separate the prefabricated concrete component and the sliding seat 3, the lever of the control lever 8 is used as a fulcrum, the lever force is used to pry the sliding rod 7 to move, so that the limiting plate 5 at one end of the sliding rod 7 is separated from the tooth block 6 of the sliding seat 3, and the sliding seat 3 is reset by the energy storage elastic force of the second spring rod 10.

[0036] Working principle: the prefabricated concrete components are placed on the support frame 1 end of the support plate 2, using the angle of inclination to reduce the risk of inertia displacement when sudden braking, the weight of the components to drive the sliding seat 3 along the support plate 2 down, the spring part of the second spring rod 10 starts to compress the energy storage, when the sliding seat 3 down, its bottom inclined gear block 6 with the gear block slope of the limit plate 5 contact, push the limit plate 5 to the groove 4 shrink, the first spring rod 9 compression, when the sliding seat 3 stop moving, the vertical plane of the gear block 6 engagement, form one-way check lock, prevent the sliding seat 3 rebound, if encountered in the transport of bumps, sliding seat 3 by inertia force down temporarily, gear block 6 again engagement, further compression of the second spring rod 10, rotating screw knob 12, push the pressure plate 13 along the slide groove 11 vertical down, the pressure plate 13 is provided with elastic buffer layer and the component surface closely, hard pressure plate 13 provides rigid support, buffer layer dispersion local pressure, avoid indentation, the elastic deformation of the second spring rod 10 to absorb the high frequency impact of road bumps, avoid hard delivery to the components, sliding seat 3 and limit plate 5 rigid gear block engagement resistance low frequency large displacement, prevent the components slip, the lever 8 pry bar, with the support for fulcrum, through the slide bar 7 limit plate 5 pull out of the gear block 6 of the sliding seat 3, the second spring rod 10 release capacity, push the sliding seat 3 reset to the initial position, the components can be easily removed.

Claims

1. A precast concrete member transport protection device comprising a support frame (1) and a brace plate (2) located at the top end of the support frame (1), characterised in that: The support frame (1) and the support plate (2) are inclinedly arranged at an angle, the support plate (2) is slidably connected with a sliding seat (3), a second spring rod (10) arranged in the support plate (2) penetrates the sliding seat (3), one end of the spring part of the second spring rod (10) abuts against the bottom of the support plate (2), the other end abuts against the sliding seat (3), the support part of the second spring rod (10) penetrates the spring part and the sliding seat (3) and is installed on the support plate (2), and the sliding seat (3) is slidably connected with the support part. The sliding seat (3) is provided with a pressing mechanism for fixing the prefabricated concrete component, and the support plate (2) is provided with a locking piece for one-way check and buffering of the concrete component.

2. A precast concrete element transport protection device according to claim 1, characterised in that: The pressing mechanism comprises a bolt knob (12) and a pressing plate (13), one end of the bolt knob (12) is threadedly connected with the pressing plate (13).

3. A precast concrete element transport protection device according to claim 1, characterised in that: The sliding seat (3) is provided with a sliding groove (11) in the inside, the sliding groove (11) is attached to one end of the bolt knob (12), and the sliding seat (3) is provided with a sliding block in the inside for guiding the vertical movement of the pressing plate (13).

4. A precast concrete element transport protection device according to claim 1, characterised in that: The locking piece comprises a groove (4), a limiting plate (5), a first spring rod (9) and a tooth block (6), the groove (4) is prearranged in the support plate (2), and the groove (4) is slidably connected with the limiting plate (5) and has a circumference size suitable for the limiting plate (5).

5. A precast concrete element transport protection device according to claim 4, characterised in that: The spring part of the first spring rod (9) is attached to the limiting plate (5) and the groove (4), the support part of the first spring rod (9) is slidably connected with the limiting plate (5), and one end of the first spring rod (9) is fixedly connected with the groove (4).

6. A precast concrete element transport protection device according to claim 4, characterised in that: The tooth blocks (6) are arranged at one end of the sliding seat (3) and the limiting plate (5) respectively, and the tooth blocks (6) on the surfaces of the sliding seat (3) and the limiting plate (5) are engaged with each other.

7. A precast concrete element transport protection device as claimed in claim 4, characterised in that: The sliding rod (7) arranged at one end of the limiting plate (5) penetrates the support plate (2), and the support plate (2) is slidably connected with the sliding rod (7).

8. A precast concrete element transport protection device according to claim 7, characterised in that: One end of the sliding rod (7) is connected with a lever piece (8), the lever piece (8) comprises a lever and a support, the lever and the support are slidably connected, the lever is hingedly connected with one end of the sliding rod (7), and the support is arranged on the outer wall of the support plate (2) and corresponds to the position of the sliding rod (7).

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