A vehicle body device for measuring rebound rate of shotcrete

Abstract

The utility model discloses a kind of vehicle body devices for measuring shotcrete rebound rate, including vehicle body and cab, the front side fixed mounting of vehicle body's carriage bottom plate has carriage front plate, the left and right sides hinged of vehicle body's carriage bottom plate has carriage side plate, the rear side hinged of vehicle body's carriage bottom plate has carriage back plate, the rear side end surface and left and right side end surface of vehicle body's carriage bottom plate are all installed with multiple horizontal telescopic rods, telescopic end of horizontal telescopic rod is installed with vertical telescopic rod, vehicle-mounted pound for weighing vehicle loading weight is installed on the spring steel plate of vehicle body bottom, display connected with vehicle-mounted pound signal line and used for showing vehicle loading weight change is installed in cab.The utility model vehicle body can realize quick deployment or fold, quickly measure the rebound material weight of shotcrete not bonded in the sprayed wall surface and recycle, provide reliable data support for the calculation of shotcrete rebound rate, with the characteristics of simple operation, flexible and convenient etc.

Description

Technical Field

[0001] This utility model belongs to the technical field of shotcrete rebound rate measurement equipment, specifically relating to a vehicle body device for measuring the rebound rate of shotcrete. Background Technology

[0002] Shotcrete is a core material for initial support in engineering projects and is widely used in tunnel support, slope protection, rail transit, and other fields. The rebound rate of shotcrete refers to the mass ratio of rebound material that does not adhere to the sprayed surface to the total mass of shotcrete during the spraying process. Calculating and controlling the rebound rate is a key aspect of shotcrete construction quality and cost analysis.

[0003] In actual construction, the rebound material, after falling, often accumulates irregularly, forming an irregular three-dimensional shape due to its irregular pattern. Current methods for measuring the rebound rate of sprayed mixtures typically involve covering a 40-50 square meter area below the spraying surface with a plastic film. After spraying, the rebound material on the plastic film is manually collected and weighed. The rebound rate is calculated as the percentage of the rebound material volume to the total volume of the sprayed mixture.

[0004] The existing weighing method uses manual weighing to collect data, which is not only labor-intensive and inefficient, but also prone to problems such as material leakage during collection, resulting in large measurement errors and inaccurate rebound rate measurement results. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a vehicle body device for measuring the rebound rate of shotcrete, addressing the shortcomings of the prior art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a vehicle body device for measuring the rebound rate of shotcrete, characterized in that: it includes a vehicle body and a cab, a front panel of the vehicle body is fixedly installed on the front side of the vehicle body's floor, side panels of the vehicle body are hinged to the left and right sides of the vehicle body's floor, a rear panel of the vehicle body is hinged to the rear side of the vehicle body's floor, multiple transverse telescopic rods are installed on the rear end face and the left and right side end faces of the vehicle body's floor, vertical telescopic rods are installed at the telescopic ends of the transverse telescopic rods, a vehicle-mounted scale for weighing the vehicle's cargo weight is installed on the spring steel plate at the bottom of the vehicle body, and a display connected to the vehicle-mounted scale signal line and used to display changes in the vehicle's cargo weight is installed in the cab.

[0007] The above-mentioned vehicle body device for measuring the rebound rate of shotcrete is characterized in that: the side panels and rear panels of the vehicle body are both hinged to the floor panel of the vehicle body through multiple hinges.

[0008] The above-mentioned vehicle body device for measuring the rebound rate of shotcrete is characterized in that: a card plate is fixedly installed on both the left and right ends of the side panel of the vehicle body, and the card plate has a card slot with an upper opening and a U-shaped structure.

[0009] The above-mentioned vehicle body device for measuring the rebound rate of shotcrete is characterized in that: mounting blocks are fixedly installed on the left and right sides of the outer side of the front and rear panels of the vehicle body, and the mounting blocks have through holes horizontally opened along the width direction of the vehicle. The horizontal bar of the clamping rod passes through the through hole, and there is a gap between the horizontal bar of the clamping rod and the through hole. A vertical bar of the clamping rod that cooperates with the clamping groove is provided at the end of the horizontal bar of the clamping rod facing the side panel of the vehicle body. The horizontal bar of the clamping rod and the vertical bar of the clamping rod are both round steel rods with the same size. A limiting block is provided at the end of the horizontal bar of the clamping rod away from the side panel of the vehicle body. The size of the limiting block is larger than the diameter of the through hole.

[0010] The vehicle-mounted device for measuring the rebound rate of shotcrete described above is characterized in that: both the horizontal telescopic rod and the vertical telescopic rod are hydraulic telescopic rods or electric telescopic rods.

[0011] The above-mentioned vehicle body device for measuring the rebound rate of shotcrete is characterized in that: it further includes a temporary steel plate, the length and width of which are greater than the height of the side panels and rear panels of the vehicle body. This utility model has the following advantages compared with the prior art: 1. This utility model enables the vehicle body to be quickly unfolded or closed by hinged connection between the vehicle body's floor plate, rear panel, and left and right side panels. Multiple transverse telescopic rods are installed on the rear end face and left and right end faces of the vehicle body's floor plate. Vertical telescopic rods are installed at the telescopic ends of the transverse telescopic rods to support the unfolded rear panel and left and right side panels. It is stable and reliable in use and realizes the recovery of rebound material of sprayed concrete that has not adhered to the sprayed wall surface, which is convenient for widespread use.

[0012] 2. This utility model has a vehicle-mounted scale installed on the spring steel plate at the bottom of the vehicle body for weighing the load weight of the vehicle, and a display installed in the cab that is connected to the signal line of the vehicle-mounted scale for displaying the changes in the load weight of the vehicle. This allows for the rapid measurement of the weight of the rebound material of the shotcrete that is not adhered to the sprayed wall surface, providing reliable data support for the calculation of the rebound rate of shotcrete.

[0013] 3. This utility model has a novel and reasonable design, and features simple, flexible and convenient operation, making it easy to promote and use.

[0014] In summary, this utility model has a novel and reasonable design. The vehicle body can be quickly deployed or retracted, and the weight of rebound material that is not adhered to the sprayed wall surface by the shotcrete can be quickly measured and recovered. This provides reliable data support for the calculation of the rebound rate of shotcrete. It has the characteristics of simple operation, flexibility and convenience, and is easy to promote and use.

[0015] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 for Figure 1 Rendering of the unfolded side panel of the middle carriage.

[0018] Figure 3 for Figure 1 Enlarged view of point A.

[0019] Explanation of reference numerals in the attached figures: 1—Driver's cab; 2—Cargo floor; 3—Cargo front panel; 4—Side panel of the carriage; 5—Rear panel of the carriage; 6—Hinge; 7—Horizontal telescopic bar; 8—Vertical telescopic bar; 9—Clamping plate; 10—Slot; 11—Mounting block; 12—Clip bar crossbar; 13—Clamping rod vertical bar; 14—Limiting block; 15—Vehicle-mounted scale. Detailed Implementation

[0020] like Figures 1 to 3 As shown, this utility model includes a vehicle body and a cab 1. A front panel 3 is fixedly installed on the front side of the vehicle body's floor 2. Side panels 4 are hinged to the left and right sides of the vehicle body's floor 2. A rear panel 5 is hinged to the rear side of the vehicle body's floor 2. Multiple horizontal telescopic rods 7 are installed on the rear end face and the left and right end faces of the vehicle body's floor 2. Vertical telescopic rods 8 are installed at the telescopic ends of the horizontal telescopic rods 7. A vehicle-mounted scale 15 for weighing the vehicle's cargo weight is installed on the spring steel plate at the bottom of the vehicle body. A display connected to the signal line of the vehicle-mounted scale 15 and used to display changes in the vehicle's cargo weight is installed in the cab 1.

[0021] In this embodiment, both the horizontal telescopic rod 7 and the vertical telescopic rod 8 are hydraulic telescopic rods or electric telescopic rods.

[0022] It should be noted that the vehicle body can be quickly deployed or retracted by hinged connections between the floor, rear panel, and side panels. Multiple transverse telescopic bars are installed on the rear and side panels of the floor, with vertical telescopic bars at their extension ends. These bars support the deployed rear and side panels, ensuring stable and reliable operation and enabling the recovery of rebound material from the sprayed concrete that has not adhered to the sprayed surface. A vehicle-mounted scale is installed on a spring steel plate at the bottom of the vehicle to measure the load weight. A display connected to the scale's signal line and showing changes in the load weight is installed in the driver's cab. This allows for rapid measurement of the weight of rebound material from the sprayed concrete, providing reliable data for calculating the rebound rate. The system is characterized by its simple, flexible, and convenient operation.

[0023] In this embodiment, both the side panel 4 and the rear panel 5 of the carriage are hinged to the floor panel 2 of the carriage via multiple hinges 6.

[0024] In this embodiment, both the left and right ends of the carriage side panel 4 are fixedly installed with a card plate 9, and the card plate 9 has a card slot 10 with an upper opening and a U-shaped structure.

[0025] In this embodiment, mounting blocks 11 are fixedly installed on the left and right sides of the outer side of the front panel 3 and the rear panel 5 of the carriage. The mounting blocks 11 have a through hole horizontally opened along the width direction of the vehicle. The horizontal bar 12 passes through the through hole and there is a gap between the horizontal bar 12 and the through hole. The end of the horizontal bar 12 facing the side panel 4 of the carriage is provided with a vertical bar 13 that cooperates with the slot 10. The horizontal bar 12 and the vertical bar 13 are both round steel bars with the same size. The end of the horizontal bar 12 away from the side panel 4 of the carriage is provided with a limiting block 14. The size of the limiting block 14 is larger than the diameter of the through hole.

[0026] In actual use, the vehicle body is a freight car, and the left and right ends of the side panel 4 of the cargo box are fixedly installed with a clamping plate 9. The left and right sides of the outer sides of the front panel 3 and the rear panel 5 of the cargo box are fixedly installed with mounting blocks 11, all of which are made of steel.

[0027] In this embodiment, a temporary steel plate is also included. The length and width of the temporary steel plate are both greater than the height of the side panel 4 and the rear panel 5 of the carriage, so as to facilitate the recovery of the elasticity of the gap between the side panel 4 and the rear panel 5 of the carriage after it is unfolded.

[0028] In the use of this utility model, when it is necessary to measure the rebound rate of shotcrete, first determine the approximate drop range of the concrete rebound material based on the shotcrete operation range. Position the vehicle body adjustment device at the drop center. When unfolding the truck bed, rotate the vertical clamping rod 13. At this time, the horizontal clamping rod 12 rotates within the slot 10 and mounting block 11 until the vertical clamping rod 13 faces upwards. Then, pull the side panel 4 of the truck bed to unfold. The rear panel 5 of the truck bed is unfolded similarly. Before unfolding the side panel 4 and the rear panel 5, the horizontal telescopic rod 7 extends to its position, and the vertical telescopic rod 8 extends to the ground, allowing the side panel 4 and the rear panel 5 to overlap at the top of the vertical telescopic rod 8. Unfold the truck bed to collect the rebound material. After construction is completed, the temporary steel... The rebound material on the plate is cleaned into the truck bed, the truck bed is closed, and the horizontal telescopic bar 7 and vertical telescopic bar 8 are retracted. A truck-mounted scale for weighing the load weight is installed on the spring steel plate at the bottom of the truck body. A display connected to the truck-mounted scale signal line and used to display changes in the load weight is installed in the cab. The weight of the rebound material that is not adhered to the sprayed wall surface of the shotcrete is quickly measured. The rebound rate of the shotcrete is measured by the mass ratio of the rebound material weight to the total mass of the shotcrete. The rebound rate is then transported away, completing the collection of the shotcrete rebound material. After being transported by truck, it is processed, saving the rebound material transfer and cleaning process, reducing the personnel involved in the construction process, and reducing labor intensity.

[0029] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the present utility model. Any simple modifications, alterations, or equivalent structural changes made to the above embodiments based on the technical essence of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A vehicle-mounted device for measuring the rebound rate of shotcrete, characterized in that: The vehicle includes a body and a cab (1). A front panel (3) is fixedly installed on the front side of the cargo floor (2) of the vehicle body. Side panels (4) are hinged to the left and right sides of the cargo floor (2) of the vehicle body. A rear panel (5) is hinged to the rear side of the cargo floor (2) of the vehicle body. Multiple horizontal telescopic rods (7) are installed on the rear end face and the left and right end faces of the cargo floor (2) of the vehicle body. Vertical telescopic rods (8) are installed at the telescopic ends of the horizontal telescopic rods (7). A vehicle-mounted scale (15) for weighing the load weight of the vehicle is installed on the spring steel plate at the bottom of the vehicle body. A display connected to the signal line of the vehicle-mounted scale (15) and used to display the changes in the load weight of the vehicle is installed in the cab (1).

2. A vehicle-mounted device for measuring the rebound rate of shotcrete according to claim 1, characterized in that: The side panels (4) and rear panels (5) of the carriage are both hinged to the floor panel (2) of the carriage via multiple hinges (6).

3. A vehicle-mounted device for measuring the rebound rate of shotcrete according to claim 1, characterized in that: Both ends of the side panel (4) of the carriage are fixedly installed with a card plate (9), and the card plate (9) has a card slot (10) with an upper opening and a U-shaped structure.

4. A vehicle-mounted device for measuring the rebound rate of shotcrete according to claim 3, characterized in that: Mounting blocks (11) are fixedly installed on the left and right sides of the outer side of the front panel (3) and rear panel (5) of the carriage. The mounting blocks (11) have a through hole horizontally opened along the width direction of the vehicle. The horizontal bar (12) of the locking rod passes through the through hole. There is a gap between the horizontal bar (12) of the locking rod and the through hole. The end of the horizontal bar (12) facing the side panel (4) of the carriage is provided with a vertical bar (13) of the locking rod that cooperates with the locking groove (10). The horizontal bar (12) and the vertical bar (13) of the locking rod are both round steel rods with the same size. The end of the horizontal bar (12) away from the side panel (4) of the carriage is provided with a limiting block (14). The size of the limiting block (14) is larger than the diameter of the through hole.

5. A vehicle-mounted device for measuring the rebound rate of shotcrete according to claim 1, characterized in that: Both the horizontal telescopic rod (7) and the vertical telescopic rod (8) are hydraulic or electric telescopic rods.

6. A vehicle-mounted device for measuring the rebound rate of shotcrete according to claim 1, characterized in that: It also includes a temporary steel plate, the length and width of which are greater than the height of the side panel (4) and the rear panel (5) of the carriage.

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