Safety protection device for T-beam erection

By using a combination of lifting beams, hydraulic rods, and damping devices during the T-beam erection process, the problems of T-beam swaying and overturning were solved, achieving uniform stress distribution and structural stability, and reducing construction risks.

CN223576948UActive Publication Date: 2025-11-21广西百马机场高速公路有限公司 +1
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Patent Information

Application Number
CN202422668448.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-11-21
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

In the construction of highways and municipal bridges, there is a risk of uneven stress and overturning caused by swaying during the erection of T-beams, which affects the structural stability and safety and may pose a threat to construction workers.

Method used

A safety protection device is adopted, including a lifting beam, hydraulic rods, damping device and support plate. The damping device reduces the inertial force of the T-beam, and the hydraulic rod pushes the extrusion plate against the top of the T-beam to ensure uniform force distribution and prevent overturning.

Benefits of technology

It effectively reduces the lateral inertial force of the T-beam, prevents swaying and overturning, improves structural safety during construction, and reduces the risk of accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of safety protection, in particular to a safety protection device for erecting a T-shaped beam, which adopts the technical scheme that the safety protection device comprises a hanging beam and the T-shaped beam, steel wire ropes penetrate through four corners of the hanging beam, the steel wire ropes penetrate through one end of the hanging beam, then bypass the bottom of the T-shaped beam and penetrate through the other end of the hanging beam, and a hydraulic rod is fixedly mounted on the bottom surface of the hanging beam. A hydraulic rod is arranged on the lower end of the T-shaped beam, a squeezing plate is fixedly arranged at the lower end of the hydraulic rod, supporting plates are arranged at the positions of included angles between flanges on the two sides of the T-shaped beam and a beam rib, and a damping device is arranged on one side, close to the beam rib of the T-shaped beam, of each supporting plate. Inertia force generated by transverse movement of the T-shaped beam is weakened, meanwhile, a hydraulic rod is started to push an extrusion plate to abut against the top of the T-shaped beam, so that the effects of preventing the T-shaped beam from continuously swinging due to inertia influence and preventing the T-shaped beam from rolling over are achieved, the safety of the overall structure is improved, and the risk of accidents can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of safety protection, specifically relates to safety protection device for T beam erection. BACKGROUND

[0002] T beam refers to the beam of T type cross section. The part of two sides is called flange, and the middle part is called beam rib (or web). Because it is equivalent to the rectangular beam in which the tensile zone concrete that does not work on the bending strength is removed, the bending strength is completely the same as the original rectangular, but it can save concrete, reduce the self weight of component and improve the crossing capacity.

[0003] The prior art has the following deficiencies: in the process of highway engineering and municipal engineering bridge construction, the erection of T beam faces various complex construction conditions. Usually, the T beam erection is first bundled with steel wire rope, and then the bundled T beam is hoisted to the corresponding position by a gantry crane; because the T beam is suspended and erected by using steel wire rope, when the T beam position is horizontally adjusted, the T beam may swing to a certain extent due to inertia, the swing of the T beam may lead to uneven stress, affect the stability of the beam and supporting structure, and may cause the T beam to overturn, and excessive swing may cause mechanical damage or stress concentration to the connecting part of the beam, affect the safety of the overall structure, and may threaten the construction personnel, increase the risk of accidents. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a safety protection device for T beam erection.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The safety protection device for T beam erection comprises a beam hoist and a T beam, the flange is arranged on the two sides of the T beam, the beam rib is arranged in the middle of the T beam, the beam hoist is arranged above the T beam, the steel wire rope is penetrated into the four corners of the beam hoist, the steel wire rope is penetrated from one end of the beam hoist, then is wound around the bottom of the T beam and is penetrated through the other end of the beam hoist, the two ends of the steel wire rope are upwardly extended and are connected with the gantry crane, the hydraulic rod is fixedly installed on the bottom surface of the beam hoist, the extrusion plate is fixedly installed at the lower end of the hydraulic rod, the support plate is arranged at the angle between the flange and the beam rib of the T beam, the damping device is installed on the side of the support plate close to the beam rib of the T beam, and the damping device can resist the two sides of the beam rib of the T beam.

[0007] Further, the damping device comprises a damping sleeve, the damping sleeve is embeddedly installed on the side of the support plate close to the beam rib of the T beam, and the damping push rod is insertedly installed at the end of the damping sleeve close to the beam rib of the T beam.

[0008] Further, the damping device comprises a damping sleeve, which is embeddedly installed on one side of the support plate close to the T-shaped beam rib, and a damping push rod is installed at one end of the damping sleeve close to the T-shaped beam rib.

[0009] Further, a clamping plate is fixedly installed at one end of the damping push rod away from the damping spring, the clamping plate is made of rubber, and one side of the clamping plate away from the damping push rod abuts against the T-shaped beam rib.

[0010] Further, a plurality of strip-shaped grooves are arranged on the bottom surface of the extrusion plate, and the hydraulic rod can push the bottom surface of the extrusion plate to tightly abut against the top surface of the T-shaped beam.

[0011] Further, a plurality of strip-shaped grooves are arranged on the bottom surface of the extrusion plate, and the hydraulic rod can push the bottom surface of the extrusion plate to tightly abut against the top surface of the T-shaped beam.

[0012] Further, a first hanging ring is fixedly installed at one end of the support plate away from the T-shaped beam rib, a second hanging ring is fixedly installed at one end of the support plate away from the T-shaped beam flange, and the steel wire rope passes through the first hanging ring and the second hanging ring after passing through the part below the T-shaped beam.

[0013] In the above technical solution, the personnel safety protection device for high slope construction has the following beneficial effects:

[0014] When the T-shaped beam is erected, the damping device installed on both sides of the T-shaped beam rib weakens the inertial force generated by the transverse movement of the T-shaped beam, and the hydraulic rod is started to push the extrusion plate to abut against the top of the T-shaped beam, so as to avoid the continuous swinging of the T-shaped beam affected by inertia and prevent the T-shaped beam from rolling over, the stress during the suspension process is uniform, the safety of the overall structure is improved, and the risk of accidents is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 Suspension schematic view of the safety protection device for T-beam erection provided by the present application;

[0017] Figure 2 Structure schematic view of the safety protection device for T-beam erection provided by the present application;

[0018] Figure 3 Front view of the safety protection device for T-beam erection provided by the present application;

[0019] Figure 4 The damping device structure schematic view of the safety protection device for T beam erection is provided.

[0020] In the figure: beam 11, support plate 12, first hanging ring 13, second hanging ring 14, steel wire rope 15, hydraulic rod 21, extrusion plate 22, damping spring 23, damping sleeve 24, damping push rod 25, clamping plate 26, T-shaped beam 3. DETAILED DESCRIPTION

[0021] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with the help of the accompanying drawings.

[0022] Embodiment 1:

[0023] Referring to Figure 1 - Figure 3 As shown in the figure:

[0024] The safety protection device for T beam erection in the first aspect embodiment of the utility model, including beam 11 and T-shaped beam 3, the side overhanging part of T-shaped beam 3 is flange, the middle part of T-shaped beam 3 is beam rib, beam 11 is set above T-shaped beam 3, steel wire rope 15 is penetrated in the four corners of beam 11, steel wire rope 15 is penetrated from one end of beam 11, then passes through the bottom of T-shaped beam 3 and penetrates the other end of beam 11, the both ends of steel wire rope 15 extend upwards and are connected with portal crane frame, hydraulic rod 21 is fixedly installed on the bottom surface of beam 11, extrusion plate 22 is fixedly installed on the lower end of hydraulic rod 21, support plate 12 is arranged at the included angle of the flange and beam rib of both sides of T-shaped beam 3, damping device is installed on the side of support plate 12 close to the beam rib of T-shaped beam 3, and the damping device can resist the both sides of the beam rib of T-shaped beam 3.

[0025] In the above embodiment, it needs to be explained that portal crane frame drives steel wire rope 15 to achieve the effect of hoisting T-shaped beam 3 and moving to the designated position; when erecting T-shaped beam 3, the damping device installed on both sides of the beam rib of T-shaped beam 3 weakens the inertial force generated by the transverse movement of T-shaped beam 3, and at the same time, hydraulic rod 21 is started to push extrusion plate 22 to resist the top of T-shaped beam 3, so as to achieve the effect of avoiding T-shaped beam 3 from continuously swinging under the influence of inertia and preventing T-shaped beam 3 from rolling over, so that the stress in the process of suspension is uniform, the safety of the overall structure is improved, and the risk of accidents can be reduced.

[0026] Embodiment 2:

[0027] As Figure 1 - Figure 4 As shown in the figure:

[0028] The safety protection device for T-beam erection includes all the contents of Embodiment 1. In addition, the damping device includes a damping sleeve 24, which is embedded in the support plate 12 near the beam rib of the T-beam 3. A damping push rod 25 is inserted and installed at one end of the damping sleeve 24 near the beam rib of the T-beam 3. The damping device also includes a damping spring 23, and the chamber is installed inside the damping sleeve 24. One end of the damping spring 23 is fixedly connected to the inner wall of the damping sleeve 24, and the other end is fixedly connected to the damping push rod 25. The damping push rod 25 is located at... A clamping plate 26 is fixedly installed at one end of the damping spring 23. The clamping plate 26 is made of rubber. The side of the clamping plate 26 away from the damping push rod 25 abuts against the beam rib of the T-beam 3. The damping spring 23 always pushes the damping push rod 25. When the damping push rod 25 is retracted into the damping sleeve 24 under force, the damping effect is achieved through the damping spring 23. When the gantry crane control wire rope 15 drives the T-beam 3 to move laterally, the beam rib of the T-beam 3 squeezes the clamping plate 26. The clamping plate 26 pushes the damping push rod 25 to slowly retract, so as to reduce the inertial force generated by the lateral movement of the T-beam 3.

[0029] Example 3:

[0030] like Figure 1 - Figure 3 As shown:

[0031] The safety protection device for T-beam erection includes all the contents of Embodiment 1. In addition, the bottom surface of the extrusion plate 22 is provided with several strip slots. The hydraulic rod 21 can push the bottom surface of the extrusion plate 22 to press against the top surface of the T-beam 3. The strip slots on the bottom surface of the extrusion plate 22 can increase the friction between the extrusion plate 22 and the top surface of the T-beam 3, and prevent the extrusion plate 22 from slipping when it is pressed against the top surface of the T-beam 3.

[0032] Example 4:

[0033] like Figure 1 - Figure 3 As shown:

[0034] The safety protection device for T-beam erection includes all the contents of Embodiment 1. In addition, the support plate 12 has an L-shaped structure. The top surface of the support plate 12 can be closely attached to the bottom surface of the flange of the T-beam 3. A first hanging ring 13 is fixedly installed at the end of the support plate 12 away from the beam rib of the T-beam 3, and a second hanging ring 14 is fixedly installed at the end of the support plate 12 away from the flange of the T-beam 3. The steel wire rope 15 passes through the first hanging ring 13 and the second hanging ring 14 after passing around the lower part of the T-beam 3. The support plate 12 is slidably installed on the steel wire rope 15 through the first hanging ring 13 and the second hanging ring 14. When the gantry crane tightens the steel wire rope 15, the support plate 12 tightens and abuts against the bottom surface of the flange of the T-beam 3 to achieve the effect of preventing the T-beam 3 from overturning.

[0035] The use process of the utility model is as follows: when erecting the T-shaped beam 3, the technical personnel in the field operate the gantry crane frame to control the steel wire rope 15 to drive the T-shaped beam 3 to move transversely, the T-shaped beam 3 rib extrusion clamping plate 26, the clamping plate 26 pushes the damping push rod 25 to slowly retract, so as to weaken the inertial force generated by the transverse movement of the T-shaped beam 3, at the same time, the hydraulic rod 21 is started to push the extrusion plate 22 to resist the top of the T-shaped beam 3, and the supporting plate 12 is tightened and resists the flange bottom surface of the T-shaped beam 3, which can prevent the T-shaped beam 3 from rolling over, so that the stress is uniform in the suspension process.

[0036] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A safety protection device for T-beam erection, comprising a lifting beam (11) and a T-beam (3), wherein the two protruding parts of the T-beam (3) are flanges, the middle part of the T-beam (3) is a beam rib, the lifting beam (11) is positioned above the T-beam (3), and steel wire ropes (15) are inserted into the four corners of the lifting beam (11). The steel wire ropes (15) pass through one end of the lifting beam (11), then around the bottom of the T-beam (3) and through the other end of the lifting beam (11). The two ends of the steel wire ropes (15) extend upward and connect to the gantry crane. The device is characterized in that: A hydraulic rod (21) is fixedly installed on the bottom surface of the lifting beam (11), and an extrusion plate (22) is fixedly installed at the lower end of the hydraulic rod (21). A support plate (12) is provided at the angle between the flanges on both sides of the T-beam (3) and the beam rib. A damping device is installed on the side of the support plate (12) close to the beam rib of the T-beam (3). The damping device can abut against both sides of the beam rib of the T-beam (3).

2. The safety protection device for T-beam erection according to claim 1, characterized in that: The damping device includes a damping sleeve (24), which is embedded in the support plate (12) on the side near the beam rib of the T-beam (3). A damping push rod (25) is inserted into one end of the damping sleeve (24) near the beam rib of the T-beam (3).

3. The safety protection device for T-beam erection according to claim 2, characterized in that: The damping device includes a damping spring (23), which is installed inside the damping sleeve (24). One end of the damping spring (23) is fixedly connected to the inner wall of the damping sleeve (24), and the other end of the damping spring (23) is fixedly connected to the damping push rod (25).

4. The safety protection device for T-beam erection according to claim 3, characterized in that: A clamp (26) is fixedly installed at the end of the damping push rod (25) away from the damping spring (23). The clamp (26) is made of rubber and the side of the clamp (26) away from the damping push rod (25) abuts against the beam rib of the T-beam (3).

5. The safety protection device for T-beam erection according to claim 1, characterized in that: The bottom surface of the extrusion plate (22) is provided with several strip slots, and the hydraulic rod (21) can push the bottom surface of the extrusion plate (22) to fit tightly against the top surface of the T-beam (3).

6. The safety protection device for T-beam erection according to claim 1, characterized in that: The support plate (12) has an L-shaped structure, and the top surface of the support plate (12) can be closely attached to the bottom surface of the flange of the T-beam (3).

7. The safety protection device for T-beam erection according to claim 6, characterized in that: The support plate (12) is fixedly installed with a first hanging ring (13) at one end away from the beam rib of the T-beam (3), and a second hanging ring (14) is fixedly installed at the other end of the support plate (12) away from the flange of the T-beam (3). The steel wire rope (15) passes through the first hanging ring (13) and the second hanging ring (14) after passing around the part below the T-beam (3).