Beam end concrete base surface automatic processing device
By designing an automatic processing device for the concrete base surface of the beam end including a frame, a locking device, a burping device and a driving device, the problems of low construction efficiency and railway shutdown in the prior art are solved, and the effect of efficiently treating the concrete base surface of the beam end under the beam surface is achieved.
Patent Information
- Application Number
- CN202421560590.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-03
AI Technical Summary
In the construction of railway concrete bridges, it is difficult for the existing technology to deal with the concrete base surface at the end of the beam below the beam surface, resulting in low construction efficiency and long time-consuming, and the railway needs to be suspended to remove roads and covers, causing huge economic losses.
An automatic treatment device for the concrete base surface of the beam end is designed, including a frame, a locking device, a burring device and a driving device. The device is sent to the position that needs to be processed through the support rod, fixed by the locking device, and the base surface is processed by the chiseling device, and the drive device realizes strip-like treatment, avoiding the limitation of hanging fence platform under the beam surface.
It realizes efficient treatment of the concrete base surface at the end of the beam below the beam surface, avoids the necessity of railway suspension and clearing of road balls, and improves construction efficiency and effect.
Smart Images
Figure CN222893503U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of railway concrete bridge construction equipment, in particular to an automatic processing device for concrete base surface at a beam end. Background Art
[0002] The elastic expansion joint of railway concrete bridge is an important part of the overall waterproofing of the bridge deck, which is directly related to the effectiveness of the bridge waterproofing system and the durability of the structure. At present, in the actual installation and construction process, due to the large number of on-site construction projects and teams, and frequent cross-construction, many installed bridge elastic expansion joints are damaged. Moreover, the elastic expansion joint is bonded to the water retaining platform at the end of the beam. The damage to the base surface of some water retaining platforms leads to a reduction in the effectiveness of the waterproofing effect. When the above situations occur, the elastic expansion joint of the bridge needs to be repaired.
[0003] The ballasted railways in operation have steel covers on the top of the beam joints to prevent ballast from falling, which are then covered with ballast stones and rails. Traditional repair work is done on the bridge deck, and it is impossible to hang a fence platform under the beam surface to treat the concrete base surface of the beam end. During construction, the railway needs to be stopped to remove the ballast, open the steel cover and then grind it, which is inefficient, time-consuming, and the cost of railway suspension is huge.
[0004] Based on the above problems, it is very necessary to realize the grinding construction of beam joints from below the beam surface. Summary of the invention
[0005] The utility model aims to provide an automatic processing device for the concrete base surface of a beam end, aiming to solve the existing problems.
[0006] The technical scheme adopted by the utility model is: an automatic processing device for the concrete base surface of the beam end, comprising a frame, the frame comprising left and right guard plates, the guard plates are in an "L" shape, the left and right guard plates are connected together by four mutually parallel sliding rods, the two guard plates are mirror-symmetrical, the outer sides of the two guard plates are respectively provided with locking devices, the locking devices comprise a cylinder and a toothed gripping foot, one side of the cylinder is fixedly connected to the guard plate, the telescopic rod of the cylinder is connected to the gripping foot, the cylinder drives the gripping foot to perform a telescopic action, a chiseling device is installed on the middle part of the sliding rod, the chiseling device comprises a square slider, a through hole is provided on the slider, the sliding rod passes through the through hole so that The slider is positioned on the sliding rod, and a screw hole is also provided on the slider, which runs through the left side of the slider to the right side. A long screw is installed in the screw hole, and one end of the long screw passes through one side of the screw hole and is movably connected to one of the guard plates. A driving device is installed on the other guard plate, and the other end of the long screw passes through the other side of the screw hole and is connected to the driving device. The driving device drives the screw to rotate so that the slider moves left and right on the sliding rod. A plurality of pneumatic chiseling heads are provided on the back of the slider, and the chiseling heads are perpendicular to the back of the slider, and the direction of the chiseling heads is opposite to the direction of the gripping feet of the locking device. Support rods are respectively provided on the left and right sides of the bottom of the frame.
[0007] A further technical solution of the utility model is: the driving device comprises a motor, the motor is fixedly mounted on the guard plate, and the output shaft of the motor is connected to the long connecting rod.
[0008] A further technical solution of the utility model is that the support rod is made of wood or light plastic to reduce the weight of the device and facilitate the staff to lift the device.
[0009] A further technical solution of the utility model is that the chiseling heads are distributed on the front side of the slider in a staggered manner in multiple rows, which can improve the chiseling effect of the chiseling heads.
[0010] The beneficial effects of the utility model are as follows: due to the adoption of the above technical solution, the utility model is a beam end concrete base surface automatic processing device, the processing device is sent to the position to be processed by the support rod, fixed by the locking device, the roughening device processes the base surface, and the driving device can realize the strip processing of the beam end concrete base surface, and realizes the processing of the beam end concrete base surface by hanging the fence platform under the beam surface. The problem that the ballasted railway needs to stop operation to remove the ballast stones and cover plates before the beam end concrete can be processed and constructed is avoided. The device is simple to operate, has high construction efficiency and good effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a front structural schematic diagram of an automatic processing device for concrete base surface at beam end of the utility model;
[0012] Figure 2It is a schematic diagram of the back structure of an automatic processing device for concrete base surface at beam ends described in the utility model. DETAILED DESCRIPTION
[0013] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0014] Example:
[0015] like Figure 1 , 2 The device for automatically processing the concrete base surface of the beam end shown in the figure comprises a frame, the frame comprises left and right guard plates 1, the guard plates are made of lightweight aluminum alloy material, the guard plates are in an "L" shape, the left and right guard plates are connected together by four mutually parallel sliding rods 2, the two ends of the sliding rods are fixed to the guard plates with bolts, the two guard plates are mirror-symmetrical, and locking devices 3 are respectively arranged on the outer sides of the two guard plates, the locking devices comprise a cylinder 31 and a toothed gripping foot 32, one side of the cylinder is fixedly connected to the guard plate, the telescopic rod of the cylinder is connected to the gripping foot, the cylinder drives the gripping foot to perform a telescopic action, a roughening device is installed on the middle part of the sliding rod, the roughening device comprises a square slider 4, the slider is provided with a through hole, the sliding rod 2 passes through the through hole so that The slider is positioned on the sliding rod, and a screw hole is also provided on the slider, which runs through the left side of the slider to the right side. A long screw 5 is installed in the screw hole, and one end of the long screw passes through one side of the screw hole and is movably connected to one of the guard plates. A driving device 6 is installed on the other guard plate, and the other end of the long screw passes through the other side of the screw hole and is connected to the driving device. The driving device drives the screw to rotate so that the slider 4 moves left and right on the sliding rod 2. A plurality of pneumatic chiseling heads 8 are provided on the back of the slider, and the chiseling heads are perpendicular to the back of the slider. The direction of the chiseling heads is opposite to the direction of the gripping feet of the locking device, so that the chiseling heads can be perpendicular to the concrete base surface of the beam end when the device is in use. Support rods 7 are respectively provided on the left and right sides of the bottom of the frame.
[0016] Preferably, the driving device comprises a motor, the motor is fixedly mounted on the guard plate, and the output shaft of the motor is connected to the long connecting rod.
[0017] Preferably, the support rod is made of wood or lightweight plastic.
[0018] Preferably, the chiseling heads are distributed on the front side of the slider in a staggered manner in multiple rows.
[0019] Working principle: Two staff members use the support rod to lift the device from the gap at the end of the beam to the area under the cover plate that needs base surface treatment, then open the ventilation switch of the locking device, and use compressed air to open the cylinder of the locking device. The device is fixed in the gap at the end of the beam by contacting the end surface of the beam gap through the gripping feet, and then start the roughening device to treat the concrete base surface of the beam end. Then, turn on the driving device to slowly translate the roughening device through the screw to achieve strip treatment of the concrete base surface of the beam end gap. After processing this area, open the locking device and translate the device to achieve the treatment of the entire beam gap. After processing one side of the beam gap, rotate the device horizontally 180° and repeat the above steps to achieve the treatment of the other side of the beam gap.
[0020] It should be understood that if the terms "upper", "lower", "left", "right", "front", "back", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.
[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An automatic processing device for concrete base surface at beam end, characterized in that: The utility model comprises a frame, wherein the frame comprises a left guard plate and a right guard plate, wherein the guard plate is in an "L" shape, and the left and right guard plates are connected together by four mutually parallel sliding rods, and the two guard plates are mirror-symmetrical, and locking devices are respectively arranged on the outer sides of the two guard plates, and the locking devices comprise a cylinder and a toothed gripping foot, and one side of the cylinder is fixedly connected to the guard plate, and the telescopic rod of the cylinder is connected to the gripping foot, and the cylinder drives the gripping foot to perform a telescopic action, and a roughening device is installed on the middle part of the sliding rod, and the roughening device comprises a square slider, and a through hole is arranged on the slider, and the sliding rod passes through the through hole so that the slider is positioned on the sliding rod, and the slider A screw hole is also provided on the slider, and the screw hole passes through from the left side to the right side. A long screw is installed in the screw hole, and one end of the long screw passes through one side of the screw hole and is movably connected to one of the guard plates. A driving device is installed on the other guard plate, and the other end of the long screw passes through the other side of the screw hole and is connected to the driving device. The driving device drives the screw to rotate so that the slider moves left and right on the sliding rod. A plurality of pneumatic chiseling heads are provided on the back of the slider, and the chiseling heads are perpendicular to the back of the slider, and the direction of the chiseling heads is opposite to the direction of the gripping feet of the locking device. Support rods are respectively provided on the left and right sides of the bottom of the frame.
2. The automatic processing device for concrete base surface at beam end according to claim 1 is characterized by: The driving device comprises a motor, which is fixedly mounted on the guard plate, and an output shaft of the motor is connected to the long connecting rod.
3. The automatic processing device for concrete base surface at beam end according to claim 1 is characterized in that: The support rod is made of wood or light plastic.
4. The automatic processing device for concrete base surface at beam end according to claim 1 is characterized in that: The chiseling heads are distributed on the front side of the slider in a staggered manner in multiple rows.