Traction device for steel truss arch bridge construction

By designing a traction device with a servo motor, screw, support rod and compression plate, the problem of manual operation of traditional traction devices is solved, automatic connection and disassembly are realized, and the efficiency and stability of use are improved.

CN222935841UActive Publication Date: 2025-06-03CHONGQING JIAOTONG UNIV
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Patent Information

Application Number
CN202421467821.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-22
Publication Date
2025-06-03
Estimated Expiration
2034-06-22

AI Technical Summary

Technical Problem

The traditional traction device for steel truss arch bridge construction requires manual operation and cannot be automatically disassembled and assembled, resulting in poor use effect.

Method used

A traction device including a connecting frame, an adjustment plate, a servo motor, a screw, a support rod and a pressing plate is designed. The servo motor and screw realize up and down adjustment plate, automatic connection is achieved using the card block and the card slot, and the electric push rod drives the compression plate to adjust left and right to ensure that the adjustment plate is tightened in the installation slot.

Benefits of technology

Automatic connection and disassembly of the traction device is realized, which improves the efficiency and stability of the traction device and makes the use effect better.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of towing traction devices, and discloses a traction device for steel truss arch bridge construction, which comprises a first connecting frame, a second connecting frame positioned on one side of the first connecting frame and a pressing plate positioned above the top of a second connecting frame. Multiple groups of clamping blocks are arranged on one side of the bottom of the adjusting plate; the supporting rods are arranged at the two ends in the first connecting frame; the servo motor is arranged in the middle of the top of the first connecting frame. The adjusting plate can be stably adjusted up and down through the servo motor, the screw rod and the supporting rod, the adjusting plate can be connected with the mounting groove through mutual clamping of the clamping block and the clamping groove, the pressing plate is driven to be adjusted left and right through the electric push rod and the fixing block, the adjusting plate can be tightly pressed in the mounting groove through the pressing plate, and the adjusting plate can be conveniently adjusted. And connection between the first connecting frame and the second connecting frame is more stable, the traction device can be automatically connected and used, and the using effect of the traction device is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of trailer towing devices, in particular to a towing device for the construction of a steel truss arch bridge. Background Technique

[0002] An arch bridge refers to a bridge with an arch as the main load-bearing member in the vertical plane. During the construction of a steel truss arch bridge, a transport trolley is required to transport construction materials such as steel pipes. Generally, a towing device is needed to connect the power equipment and the transport trolley to facilitate the towing of the transport trolley.

[0003] The traditional towing device consists of two groups of fixed buckles and mounting bolts, and manual operation is required for the towing device. The structure of this towing device is simple and it cannot automatically disassemble and assemble the towing device, resulting in poor use effect of the towing device. Content of the Utility Model

[0004] The purpose of the utility model is to provide a towing device for the construction of a steel truss arch bridge to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A towing device for the construction of a steel truss arch bridge, including a first connecting frame, a second connecting frame located on one side of the first connecting frame, and a pressing plate located above the top of the second connecting frame. The first connecting frame includes:

[0006] An adjusting plate arranged inside the first connecting frame, and a plurality of groups of clamping blocks are arranged on one side of the bottom of the adjusting plate;

[0007] Support rods arranged at both ends inside the first connecting frame;

[0008] A servo motor arranged at the middle position of the top of the first connecting frame, and the output end of the servo motor is connected with a screw rod penetrating into the adjusting plate.

[0009] Preferably, an installation plate one is arranged on the side of the second connecting frame away from the first connecting frame, an installation groove is arranged at the top end inside the second connecting frame, a plurality of groups of clamping grooves are arranged on one side inside the second connecting frame, and an installation plate two is arranged on the side of the second connecting frame away from the first connecting frame.

[0010] Preferably, T-shaped grooves are arranged at both ends of the top of the second connecting frame, T-shaped blocks are arranged at both ends of the bottom of the T-shaped grooves, a fixing block is arranged at the middle position of one side of the top of the pressing plate, an installation cylinder is arranged on one side of the installation plate two, and an electric push rod is arranged inside the installation cylinder.

[0011] Preferably, an adjustment groove is provided inside the first connecting frame, and the adjustment plate is movably connected to the first connecting frame through the adjustment groove. At both ends of one side inside the adjustment plate, moving grooves are provided, and the support rod penetrates into the inside of the moving grooves.

[0012] Preferably, the servo motor is detachably connected to the first connecting frame through a fixing bolt, and a threaded hole matching the screw rod is provided on one side inside the adjustment plate.

[0013] Preferably, the servo motor is detachably connected to the first connecting frame through a fixing bolt, a bearing is provided at the bottom end inside the first connecting frame, and the bottom end of the screw rod penetrates into the inside of the bearing.

[0014] Preferably, mounting holes are provided at the four corners inside the first mounting plate and the second mounting plate, and the clamping block is detachably connected to the second connecting frame through a clamping groove.

[0015] Preferably, the adjustment plate is detachably connected to the second connecting frame through a mounting groove. The first mounting plate is welded to one side of the first connecting frame, and the second mounting plate is welded to one side of the second connecting frame.

[0016] Preferably, the T-shaped groove is slidably connected to the second connecting frame through a T-shaped block, and the pressing plate is slidably connected to the second connecting frame through the T-shaped groove and the T-shaped block.

[0017] Preferably, a connecting block is provided on one side of the fixed block, and the telescopic end of the electric push rod is connected to the fixed block through the connecting block.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] The present utility model can stably adjust the adjustment plate up and down through the servo motor, the screw rod and the support rod. Through the mutual engagement of the clamping block and the clamping groove, the adjustment plate can be connected to the mounting groove, and the pressing plate can be driven to adjust left and right through the electric push rod and the fixed block. The adjustment plate can be pressed inside the mounting groove through the pressing plate, making the connection between the first connecting frame and the second connecting frame more stable, and can automatically connect and use the traction device, making the use effect of the traction device better. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.

[0021] Figure 1 This is a schematic structural diagram of the present utility model.

[0022] Figure 2 This is a cross-sectional view of the present utility model.

[0023] Figure 3 This is a schematic structural diagram of the first connecting frame of the present utility model.

[0024] Figure 4 This is a schematic structural diagram of the second connecting frame of the present utility model.

[0025] In the figure: 1. The first connecting frame; 101. The adjusting plate; 102. The clamping block; 103. The support rod; 104. The servo motor; 105. The screw rod; 106. The first mounting plate; 2. The second connecting frame; 201. The mounting groove; 202. The clamping groove; 203. The second mounting plate; 3. The pressing plate; 301. The T-shaped groove; 302. The T-shaped block; 303. The fixing block; 304. The mounting cylinder; 305. The electric push rod. Specific embodiments

[0026] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the 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 therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" 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 internal communication of 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 situations.

[0029] 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 the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1-4 , an embodiment of a traction device for the construction of a steel truss arch bridge provided by the present utility model: a traction device for the construction of a steel truss arch bridge, including a first connecting frame 1, a second connecting frame 2 located on one side of the first connecting frame 1, and a pressing plate 3 located above the top of the second connecting frame 2. The first connecting frame 1 includes: an adjusting plate 101 arranged inside the first connecting frame 1, and a plurality of sets of clamping blocks 102 arranged on one side of the bottom of the adjusting plate 101; support rods 103 arranged at both ends inside the first connecting frame 1, through which the adjusting plate 101 can be stably adjusted up and down; a servo motor 104 arranged at the middle position of the top of the first connecting frame 1, and the output end of the servo motor 104 is connected with a screw rod 105 penetrating into the inside of the adjusting plate 101. By driving the screw rod 105 to rotate through the servo motor 104, the adjusting plate 101 can be adjusted up and down, facilitating the clamping of the adjusting plate 101 into the installation groove 201.

[0031] Please pay special attention to Figure 1 , Figure 3 and Figure 4 , on one side of the second connecting frame 2 away from the first connecting frame 1, there is an installation plate 106, which is convenient for installing the second connecting frame 2 at one end of the power equipment. At the top end inside the second connecting frame 2, there is an installation groove 201. On one side inside the second connecting frame 2, there are a plurality of sets of clamping grooves 202. By the mutual clamping of the clamping grooves 202 and the clamping blocks 102, the adjusting plate 101 and the installation groove 201 can be connected. On one side of the second connecting frame 2 away from the first connecting frame 1, there is an installation plate 203.

[0032] Please pay special attention to Figure 1 , Figure 2 and Figure 4 , at both ends of the top of the second connecting frame 2, there are T-shaped grooves 301. At both ends of the bottom of the T-shaped grooves 301, there are T-shaped blocks 302, which prevent the pressing plate 3 from falling off from the second connecting frame 2. At the middle position on one side of the top of the pressing plate 3, there is a fixing block 303. On one side of the installation plate 203, there is an installation cylinder 304. Inside the installation cylinder 304, there is an electric push rod 305. Through the installation cylinder 304, the electric push rod 305 can be installed. By driving the electric push rod 305, the pressing plate 3 can be adjusted left and right, and the pressing plate 3 is adjusted to the top of the adjusting plate 101, facilitating the pressing of the adjusting plate 101 into the installation groove 201.

[0033] Please refer specifically to Figure 1 、 Figure 3 and Figure 4 。 A regulating groove is provided inside the first connecting frame 1. The regulating plate 101 is movably connected to the first connecting frame 1 through the regulating groove. Through the regulating groove, the regulating plate 101 and the first connecting frame 1 can move relative to each other. At both ends on one side inside the regulating plate 101, movable grooves are provided, and the support rod 103 penetrates into the movable grooves. Through the movable grooves, the regulating plate 101 and the support rod 103 can move relative to each other. The servo motor 104 is detachably connected to the first connecting frame 1 through fixing bolts for fixed installation. On one side inside the regulating plate 101, a threaded hole matching the screw rod 105 is provided to achieve the effect of limiting adjustment and realize the up-and-down adjustment of the regulating plate 101. The regulating plate 101 can be inserted into the installation groove 201. The servo motor 104 is detachably connected to the first connecting frame 1 through fixing bolts for fixed installation. A bearing is provided at the bottom end inside the first connecting frame 1, and the bottom end of the screw rod 105 penetrates into the bearing to make the rotation of the screw rod 105 more stable.

[0034] Please refer specifically to Figure 1 、 Figure 2 and Figure 4 。 Installation holes are provided at the four corners inside the first mounting plate 106 and the second mounting plate 203, which facilitates the installation of the first connecting frame 1 and the second connecting frame 2 to the transport trolley and the power equipment. The clamping block 102 is detachably connected to the second connecting frame 2 through the clamping groove 202. The regulating plate 101 is detachably connected to the second connecting frame 2 through the installation groove 201. Through the installation groove 201, the regulating plate 101 and the second connecting frame 2 can be disassembled and assembled. The first mounting plate 106 is welded to one side of the first connecting frame 1, and the second mounting plate 203 is welded to one side of the second connecting frame 2. The T-shaped groove 301 is slidably connected to the second connecting frame 2 through the T-shaped block 302. The pressing plate 3 is slidably connected to the second connecting frame 2 through the T-shaped groove 301 and the T-shaped block 302. Through the T-shaped groove 301 and the T-shaped block 302, the pressing plate 3 and the second connecting frame 2 can be limited, making the sliding effect of the pressing plate 3 better. A connecting block is provided on one side of the fixed block 303. The telescopic end of the electric push rod 305 is connected to the fixed block 303 through the connecting block. Through the electric push rod 305 and the fixed block 303, the pressing plate 3 can be driven to adjust back and forth, and the regulating plate 101 can be pressed inside the installation groove 201 to make the connection of the traction device more stable.

[0035] Working principle: Before the use of the utility model, the first connecting frame 1 is installed at one end of the transport trolley through bolts and the first mounting plate 106, and the second connecting frame 2 is installed at one end of the power equipment through bolts and the second mounting plate 203. During use, the power is turned on, the mounting groove 201 is aligned with the adjusting plate 101, the screw rod 105 is driven to rotate by the servo motor 104. The screw rod 105 cooperates with the threaded hole on one side inside the adjusting plate 101 to adjust the adjusting plate 101 up and down, and the support rod 103 makes the up and down adjustment of the adjusting plate 101 more stable. Thus, the adjusting plate 101 can be adjusted into the mounting groove 201, and the clamping block 102 is engaged with the clamping groove 202. The fixed block 303 is pushed by the electric push rod 305 to drive the pressing plate 3 to adjust back and forth. The adjusting plate 101 can be pressed tightly inside the mounting groove 201 by the pressing plate 3. The T-shaped groove 301 and the T-shaped block 302 can prevent the pressing plate 3 from falling off from the second connecting frame 2. The adjusting plate 101 is pressed into the mounting groove 201 by the pressing plate 3. The connection between the first connecting frame 1 and the second connecting frame 2 is realized through the clamping block 102, the clamping groove 202 and the adjusting plate 101, so as to connect the transport trolley and the power equipment, which is convenient for transporting construction materials, and can automatically control the use of the traction device, making the use effect of the traction device better.

[0036] The above are only the embodiments of the utility model, and common knowledge such as the specific structures and characteristics known in the solutions is not described in detail here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A traction device for steel truss arch bridge construction, characterized in that: It comprises a connecting frame 1 (1), a connecting frame 2 (2) located on one side of the connecting frame 1 (1), and a pressing plate (3) located above the top of the connecting frame 2 (2), wherein the connecting frame 1 (1) comprises: An adjustment plate (101) is arranged inside the first connecting frame (1), and a plurality of groups of card blocks (102) are arranged on one side of the bottom of the adjustment plate (101); Support rods (103) arranged at both ends of the interior of the first connecting frame (1); A servo motor (104) is arranged at the middle position of the top of the connecting frame (1), and the output end of the servo motor (104) is connected to a screw rod (105) penetrating into the interior of the adjusting plate (101).

2. The traction device for steel truss arch bridge construction according to claim 1, characterized in that: A mounting plate 1 (106) is provided on a side of the second connecting frame (2) away from the first connecting frame (1), a mounting groove (201) is provided at the top of the interior of the second connecting frame (2), a plurality of groups of card slots (202) are provided on one side of the interior of the second connecting frame (2), and a mounting plate 2 (203) is provided on a side of the second connecting frame (2) away from the first connecting frame (1).

3. The traction device for steel truss arch bridge construction according to claim 2, characterized in that: Both ends of the top of the second connecting frame (2) are provided with T-shaped slots (301), both ends of the bottom of the T-shaped slots (301) are provided with T-shaped blocks (302), a fixing block (303) is provided at the middle position of one side of the top of the clamping plate (3), a mounting tube (304) is provided on one side of the mounting plate (203), and an electric push rod (305) is provided inside the mounting tube (304).

4. The traction device for steel truss arch bridge construction according to claim 1, characterized in that: The connection frame 1 (1) is provided with an adjustment slot inside, the adjustment plate (101) is movably connected to the connection frame 1 (1) via the adjustment slot, both ends of one side inside the adjustment plate (101) are provided with movable slots, and the support rod (103) passes through the movable slot.

5. The traction device for steel truss arch bridge construction according to claim 1, characterized in that: The servo motor (104) is detachably connected to the connecting frame (1) via fixing bolts, and a threaded hole matching the screw rod (105) is provided on one side inside the adjusting plate (101).

6. The traction device for steel truss arch bridge construction according to claim 1, characterized in that: The servo motor (104) is detachably connected to the connecting frame (1) via fixing bolts; a bearing is provided at the bottom end of the connecting frame (1), and the bottom end of the screw rod (105) penetrates into the bearing.

7. The traction device for steel truss arch bridge construction according to claim 2, characterized in that: The four corners of the first mounting plate (106) and the second mounting plate (203) are all provided with mounting holes, and the clamping block (102) is detachably connected to the second connecting frame (2) via the clamping slot (202).

8. The traction device for steel truss arch bridge construction according to claim 2, characterized in that: The adjustment plate (101) is detachably connected to the second connecting frame (2) via the mounting groove (201), the first mounting plate (106) is welded to one side of the first connecting frame (1), and the second mounting plate (203) is welded to one side of the second connecting frame (2).

9. The traction device for steel truss arch bridge construction according to claim 3, characterized in that: The T-shaped slot (301) is slidably connected to the second connecting frame (2) via a T-shaped block (302), and the pressing plate (3) is slidably connected to the second connecting frame (2) via the T-shaped slot (301) and the T-shaped block (302).

10. The traction device for steel truss arch bridge construction according to claim 3, characterized in that: A connecting block is provided on one side of the fixed block (303), and the telescopic end of the electric push rod (305) is connected to the fixed block (303) via the connecting block.