Earthwork backfilling rammer compactor for contact surface of dam cutting box culvert

Abstract

The utility model belongs to the technical field of tamping devices, and particularly relates to a dam-cutting box culvert contact surface earthwork backfill tamping machine which comprises a frame, the left side and the right side of the frame are rotationally connected with compression rollers through shafts respectively, an opening is formed in the surface of the frame, a lower cylinder is arranged above the opening, and the lower cylinder is connected with the compression rollers through shafts. The bottom end of the lower cylinder body is fixedly connected with the upper surface of the frame, the inner wall of the lower cylinder body is slidably connected with an upper cylinder body, and a tamping assembly is mounted on the surface of the upper cylinder body and comprises an electric hoist; the height of the electromagnet is adjusted through take-up and pay-off of the electric hoist, the electromagnet is closed after the electromagnet attracts and suspends the tamping plate, the tamping plate descends to tamp the contact face of the box culvert of the dam, then the electric hoist is pay-off to enable the electromagnet to descend to attract the tamping plate again to conduct circulating tamping, and the power-off height of the electromagnet is adjusted to adjust the power-off height of the electromagnet. And the tamping force of the tamping plate can be adjusted, and the use flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ramming device technical field, concretely is a kind of earthwork backfill rammer for dam box culvert contact surface. BACKGROUND

[0002] Dam box culvert contact surface earthwork backfill ramming is an important construction link in water conservancy project or related infrastructure construction, in the contact part of dam body and box culvert, need to fill back earthwork and carry out ramming treatment, first to select suitable soil material, remove the sundries and component that do not meet the requirement, then according to the thickness of specified layering soil, strictly control the laying flatness and thickness uniformity of each layer of soil.In the process of soil laying, the moisture content of soil material needs to be adjusted to the appropriate range, then using rammer, according to the specific ramming process and standard, repeatedly compacting operation is carried out to each layer of earthwork, so that the compactness of backfill soil reaches the design requirement, enhances the stability and bearing capacity of dam box culvert contact surface.

[0003] The existing patent with announcement number CN219604316U discloses a kind of earthwork backfill ramming device, including shell, the shell both sides are provided with press roll, the shell lower side is provided with stamping mouth, the stamping mouth is provided with stamping plate, the shell middle part is provided with platform, the stamping plate upper side is fixed with two lifting rods, the top of lifting rod passes through platform and is fixed with protective cap, the part of lifting rod below platform is fixed with baffle, spring is fixed between baffle and platform, and the platform and protective cap are connected with stroke assembly, impact plate is slowly lifted, and then is quickly released and falls, can heavily hammer ground, and in the lifting process of impact plate, spring is effectively compressed, can effectively store energy, significantly increase the impact force to ground, so that ground can be fully rammed, the shell is linearly driven in earthwork backfill area by tractor, the application cost of equipment is low in the way of mounting, press roll flattens road surface in turn, can guarantee road surface flatness.

[0004] For the above and existing related technologies, the inventor believes that the following defects often exist: the lifting range of the stamping plate of the device is fixed, the impact force to the ground cannot be adjusted, the flexibility needs to be further improved, and improvement is needed;Therefore, a kind of earthwork backfill rammer for dam box culvert contact surface is proposed for the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, solve the technical problems proposed above, the utility model provides a kind of earthwork backfill rammer for dam box culvert contact surface.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of dam box culvert contact surface earthwork backfill tamping machine described in the utility model, including frame, the left and right sides of the frame are respectively connected with press roll by shaft rotation, the surface of the frame is provided with opening, the upper portion of the opening is provided with lower cylinder, the bottom of the lower cylinder is fixedly connected with the upper surface of frame, the inner wall of the lower cylinder is slidably connected with upper cylinder, the surface of the upper cylinder is installed with tamping assembly, the tamping assembly includes electric hoist, the bottom of the electric hoist is fixedly connected with the upper surface of upper cylinder, the pull rope of the electric hoist is fixedly connected with electromagnet, the lower portion of the electromagnet is adsorbedly connected with tamping plate, the tamping plate is made of ferromagnetic material.

[0007] Preferably, the tamping assembly further includes a telescopic guide frame, the top end of the telescopic guide frame is fixedly connected with the inner top wall of the upper cylinder, the bottom end of the telescopic guide frame is fixedly connected with the upper surface of the frame, and the telescopic guide frame penetrates the tamping plate.

[0008] Preferably, a sliding groove is formed on the side of the telescopic guide frame facing the tamping plate, a guide sleeve is slidably connected in the sliding groove, and the outer wall of the guide sleeve is fixedly connected with the inner wall of the tamping plate.

[0009] Preferably, a plurality of linear actuators are fixedly connected with the upper surface of the frame, and the driving end of the linear actuator is fixedly connected with the outer wall of the upper cylinder.

[0010] Preferably, a traction frame is fixedly connected with the left side of the upper surface of the frame.

[0011] Preferably, a plurality of support assemblies are arranged below the inner side of the upper cylinder, the support assembly includes a vertical cylinder and a horizontal cylinder, the vertical cylinder is fixedly installed on the upper surface of the frame, and the horizontal cylinder is embeddedly installed on the inner side wall of the opening.

[0012] Preferably, an air bag one is fixedly connected with the inner bottom wall of the vertical cylinder, a gusset-shaped extrusion plate is fixedly connected with the upper surface of the air bag one, a spring is sleeved on the outer side of the extrusion plate, and an air bag two is fixedly connected with the inner side wall of the horizontal cylinder.

[0013] Preferably, a gas guide pipe is fixedly arranged between the air bag two and the air bag one, and a support column is slidably connected in the horizontal cylinder.

[0014] Preferably, a plurality of extrusion protrusions are fixedly connected with the inner bottom wall of the upper cylinder.

[0015] The utility model has the advantages that:

[0016] 1.The utility model discloses a dam surface is pressed flat by pressure roller in turn, can guarantee dam surface flatness, the height of electromagnet is adjusted through electric hoist wire collecting and releasing, electromagnet closes after the rammer plate is adsorbed and suspended, makes the rammer plate drop and contacts the surface of dam box culvert and is rammed, and then electric hoist wire release makes electromagnet drop and adsorbs the rammer plate again and carries out cyclic ramming, and through the power-off height of electromagnet, the ramming intensity of rammer plate can be adjusted, and the flexibility of use is improved.

[0017] 2.The utility model discloses through the upper cylinder drops and pushes the support column and extends to the opening, thereby can support the rammer plate, prevent its drop, thereby need not electromagnet sustained adsorption rammer plate, reach the effect of saving cost. ACCURACY

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creativity labor intensity, still can obtain other drawings according to these drawings.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the upper cylinder and lower cylinder section view of the utility model;

[0021] Figure 3 It is the rammer assembly structure schematic diagram of the utility model;

[0022] Figure 4 It is the extension guide frame and guide sleeve unfolded structure schematic diagram of the utility model;

[0023] Figure 5 It is the support assembly structure schematic diagram of the utility model.

[0024] In the drawing: 1, frame;2, pressure roller;3, opening;4, lower cylinder;5, upper cylinder;6, rammer assembly;61, electric hoist;62, electromagnet;63, rammer plate;64, extension guide frame;65, sliding slot;66, guide sleeve;7, linear drive;8, support assembly;81, vertical cylinder;82, horizontal cylinder;83, air bag one;84, extrusion plate;85, air bag two;86, support column;87, spring;9, air guide pipe;10, extrusion protrusion;11, traction frame. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0026] Embodiment one

[0027] Please refer to Figures 1-4 As shown in FIG. 1, a dam cutting box culvert contact surface earthwork backfill tamping machine comprises a frame 1, pressure rollers 2 are rotatably connected to the left and right sides of the frame 1 through shafts, an opening 3 is formed in the surface of the frame 1, a lower cylinder 4 is arranged above the opening 3, the bottom end of the lower cylinder 4 is fixedly connected to the upper surface of the frame 1, an upper cylinder 5 is slidably connected to the inner wall of the lower cylinder 4, a tamping assembly 6 is installed on the surface of the upper cylinder 5, the tamping assembly 6 comprises an electric hoist 61, the bottom end of the electric hoist 61 is fixedly connected to the upper surface of the upper cylinder 5, an electromagnet 62 is fixedly connected to the pull rope of the electric hoist 61, a tamping plate 63 is adsorbed and connected below the electromagnet 62, the electromagnet 62 and the tamping plate 63 are coaxially arranged, and the tamping plate 63 is made of ferromagnetic material.

[0028] Specifically, the opening 3 is used for the tamping plate 63 to pass through, and the pressure rollers 2 are used to flatten the dam surface when moving. During construction, the dam surface is first flattened, then the height of the electromagnet 62 is adjusted by the electric hoist 61, the tamping plate 63 is adsorbed and suspended by the electromagnet 62, the electromagnet 62 is turned off, the tamping plate 63 is lowered to tamp the dam cutting box culvert contact surface, then the electric hoist 61 is unwound to lower the electromagnet 62 to adsorb the tamping plate 63 again for cyclic tamping, and the tamping force of the tamping plate 63 can be adjusted by adjusting the off height of the electromagnet 62, thereby improving the flexibility of use.

[0029] The tamping assembly 6 further comprises a telescopic guide frame 64, the top end of the telescopic guide frame 64 is fixedly connected to the inner top wall of the upper cylinder 5, the bottom end of the telescopic guide frame 64 is fixedly connected to the upper surface of the frame 1, the telescopic guide frame 64 penetrates the tamping plate 63, a sliding groove 65 is formed in the side of the telescopic guide frame 64 facing the tamping plate 63, a guide sleeve 66 is slidably connected in the sliding groove 65, the outer wall of the guide sleeve 66 is fixedly connected to the inner wall of the tamping plate 63, a guide rod is fixedly connected to the outer side wall of the electromagnet 62, and the other end of the guide rod is slidably connected to the sliding groove 65, so that the lifting direction of the electromagnet 62 can be vertically guided, the center area of the tamping plate 63 can be accurately adsorbed by the electromagnet 62, and the stability of adsorption is improved.

[0030] Specific, telescopic guide frame 64 follow the lower cylinder 4 and the upper cylinder 5 telescopic synchronous telescopic, guide sleeve 66 and sliding chute 65 for guiding the rammer plate 63, so that the rammer plate 63 perpendicular to the drop, convenient electromagnet 62 alignment adsorption rammer plate 63, while avoiding rammer plate 63 fall off.

[0031] The upper surface of the frame 1 is fixedly connected with a plurality of linear actuators 7, and the driving end of the linear actuator 7 is fixedly connected with the outer wall of the upper cylinder 5.

[0032] Specific, linear actuator 7 uses electric push rod or hydraulic rod, the number is two or more than two, through the synchronizer control linear actuator 7 synchronous operation, linear actuator 7 for adjusting the height of the upper cylinder 5, so that the rammer plate 63 can further increase the falling height, and after use, the upper cylinder 5 can be stored in the lower cylinder 4, to reduce the volume and facilitate transportation effect.

[0033] The upper surface of the frame 1 is fixedly connected with a traction frame 11.

[0034] Specific, traction frame 11 is used for connecting with the connector at the rear of the tractor, so that the tractor can pull the device to move in the dam box culvert contact surface area.

[0035] Example two

[0036] Comparative example one, please see Figure 5 The utility model provides another embodiment, the lower side of the upper cylinder 5 is provided with a plurality of support assemblies 8, the support assembly 8 includes vertical cylinder 81 and horizontal cylinder 82, vertical cylinder 81 is fixedly installed on the upper surface of the frame 1, horizontal cylinder 82 is embeddedly installed on the inner side wall of the opening 3, the inner bottom wall of vertical cylinder 81 is fixedly connected with air bag one 83, the upper surface of air bag one 83 is fixedly connected with the extrusion plate 84 of I shape, the outer side of extrusion plate 84 is provided with spring 87, the inner side wall of horizontal cylinder 82 is fixedly connected with air bag two 85.

[0037] Specific, vertical cylinder 81 and horizontal cylinder 82 protect air bag one 83 and air bag two 85 respectively, the upward tension of spring 87 is applied to extrusion plate 84, so as to pull air bag one 83 to stretch and open.

[0038] Air bag two 85 and air bag one 83 are fixedly provided with air guide pipe 9, the inside of horizontal cylinder 82 is slidably connected with support column 86, the outer wall of air bag two 85 is fixedly connected with the inner side wall of support column 86, and the inner bottom wall of the upper cylinder 5 is fixedly connected with a plurality of extrusion protrusions 10.

[0039] Specifically, when the air bag 83 is stretched and unfolded, the gas inside the air bag 2 85 is sucked into the air bag 1 83 through the gas guide pipe 9, so that the air bag 2 85 is compressed and the support column 86 is pulled into the horizontal cylinder 82, avoiding affecting the lifting of the ramming plate 63 during operation. After the device is used, the linear driver 7 drives the upper cylinder 5 to descend, so that the extrusion protrusion 10 presses the extrusion plate 84, and extrudes the air bag 1 83. The air flow of the air bag 1 83 flows into the air bag 2 85, and the air bag 2 85 expands to push the support column 86 to extend to the opening 3, so that the ramming plate 63 can be supported to prevent it from falling off, so that the electromagnet 62 does not need to continuously adsorb the ramming plate 63, thereby saving the use cost.

[0040] By those skilled in the art, all electrical components in the case are connected to their adapted power supply through wires, and appropriate controllers should be selected for electrical connection with the electromagnetic valve and the linear driver 7 to meet the control requirements. The specific connection and control sequence should be referred to the working principle below to complete the electrical connection in the order of the working sequence of each electrical component. The detailed connection means is a well-known technology in the art, and the working principle and process are mainly introduced below, and the electrical control is not described.

[0041] The parts not involved in the device are the same as or can be realized by the existing technology.

[0042] The working principle is that the connector of the traction frame 11 and the rear of the traction vehicle is connected, so that the traction vehicle can pull the device to move in the contact surface area of the dam cutting box culvert. The compression roller 2 is used to flatten the dam surface during movement. During construction, the dam surface is first flattened, and then the height of the electromagnet 62 is adjusted by the electric hoist 61. After the electromagnet 62 adsorbs the ramming plate 63 and suspends it, the electromagnet 62 is turned off to make the ramming plate 63 descend and tamp the contact surface of the dam cutting box culvert. Then the electric hoist 61 is unwound to make the electromagnet 62 descend again to adsorb the ramming plate 63 for cyclic tamping. By adjusting the off height of the electromagnet 62, the tamping force of the ramming plate 63 can be adjusted to improve the flexibility of use.

[0043] The linear driver 7 is used to adjust the height of the upper cylinder 5, so as to further increase the falling height of the ramming plate 63, and after use, the upper cylinder 5 can be stored in the lower cylinder 4 to reduce the volume and facilitate transportation.

[0044] Before use, the upper cylinder 5 is lifted by a certain height, the air bag one 83 is pulled and stretched by the upward tension of the spring 87 on the extrusion plate 84, when the air bag one 83 is pulled and stretched, the gas in the air bag two 85 is sucked into the air bag one 83 through the gas guide pipe 9, so that the air bag two 85 is compressed, and the support column 86 is pulled and stored in the horizontal cylinder 82, avoiding affecting the lifting of the ramming plate 63 during operation, and after the use of the device is completed, the ramming plate 63 is first moved to the opening 3, then the linear drive 7 drives the upper cylinder 5 to descend, so that the extrusion protrusion 10 presses the extrusion plate 84 and extrudes the air bag one 83, the air flow of the air bag one 83 flows into the air bag two 85, the air bag two 85 expands and pushes the support column 86 to extend to the opening 3, after the electromagnet 62 is powered off, the ramming plate 63 can be supported by the support plate to prevent it from falling off, so that the electromagnet 62 does not need to continuously adsorb the ramming plate 63, thereby saving the use cost.

[0045] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0046] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A dam cutting box culvert contact surface earthwork backfill tamping machine comprising a frame (1), characterized in that: The left and right sides of the frame (1) are rotatably connected with the press roller (2) through the shaft, the surface of the frame (1) is provided with an opening (3), the upper side of the opening (3) is provided with a lower cylinder (4), the bottom end of the lower cylinder (4) is fixedly connected with the upper surface of the frame (1), the inner wall of the lower cylinder (4) is slidably connected with an upper cylinder (5), the surface of the upper cylinder (5) is provided with a tamping assembly (6), the tamping assembly (6) comprises an electric hoist (61), the bottom end of the electric hoist (61) is fixedly connected with the upper surface of the upper cylinder (5), the pull rope of the electric hoist (61) penetrates through the upper surface of the upper cylinder (5) and is fixedly connected with an electromagnet (62), the lower side of the electromagnet (62) is adsorptively connected with a tamping plate (63), the tamping plate (63) is made of ferromagnetic material.

2. The dam cutting box culvert contact surface earth backfill tamping machine according to claim 1, characterized in that: The tamping assembly (6) further comprises a telescopic guide frame (64), the top end of the telescopic guide frame (64) is fixedly connected with the inner top wall of the upper cylinder (5), the bottom end of the telescopic guide frame (64) is fixedly connected with the upper surface of the frame (1), and the telescopic guide frame (64) penetrates through the tamping plate (63).

3. The dam cutting box culvert contact surface earth backfill tamping machine according to claim 2, characterized in that: The side of the telescopic guide frame (64) facing the tamping plate (63) is provided with a sliding groove (65), the sliding groove (65) is slidably connected with a guide sleeve (66), and the outer wall of the guide sleeve (66) is fixedly connected with the inner wall of the tamping plate (63).

4. The dam cutting box culvert contact surface earth backfill tamping machine according to claim 1, characterized in that: The upper surface of the frame (1) is fixedly connected with a plurality of linear drives (7), and the driving end of the linear drive (7) is fixedly connected with the outer wall of the upper cylinder (5).

5. The dam cutting box culvert contact surface earth backfill tamping machine according to claim 1, characterized in that: The upper surface of the frame (1) is fixedly connected with a traction frame (11).

6. The dam cutting box culvert contact surface earth backfill tamping machine according to claim 1, characterized in that: The lower side of the inner side of the upper cylinder (5) is provided with a plurality of supporting assemblies (8), the supporting assembly (8) comprises a vertical cylinder (81) and a horizontal cylinder (82), the vertical cylinder (81) is fixedly installed on the upper surface of the frame (1), and the horizontal cylinder (82) is embeddedly installed on the inner side wall of the opening (3).

7. The dam cutting box culvert contact surface earth backfill tamping machine according to claim 6, characterized in that: The inner bottom wall of the vertical cylinder (81) is fixedly connected with an air bag (83), the upper surface of the air bag (83) is fixedly connected with an I-shaped extrusion plate (84), the outer wall of the extrusion plate (84) penetrates through the upper surface of the vertical cylinder (81), the outer side of the extrusion plate (84) is sleeved with a spring (87), and the inner side wall of the horizontal cylinder (82) is fixedly connected with an air bag (85).

8. The dam cutting box culvert contact surface earth backfill tamping machine according to claim 7, characterized in that: A gas guide pipe (9) is fixedly arranged between the air bag (85) and the air bag (83), the inside of the horizontal cylinder (82) is slidably connected with a supporting column (86), and the outer wall of the air bag (85) is fixedly connected with the inner side wall of the supporting column (86).

9. The dam cutting box culvert contact surface earth backfill tamping machine according to claim 6, characterized in that: The inner bottom wall of the upper cylinder (5) is fixedly connected with a plurality of extrusion protrusions (10).

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