Movable device for bearing portable drop weight deflectometer
By designing the working components and fixed components of the movable device, the problems of inconvenient movement and easy damage of the portable drop weight deflectometer are solved, convenient movement and stable detection are achieved, and the detection efficiency and instrument life are improved.
Patent Information
- Application Number
- CN202422683788.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The existing portable drop weight deflectometer is heavy and inconvenient to move. It requires multiple people to carry it, resulting in low detection efficiency and easily damaged parts during transportation.
A movable device for carrying a portable drop weight deflectometer was designed. It includes a working component and a fixed component. The device is moved and fixed by a carrying handle and a brake wheel. A storage device is provided to protect the instrument components. A plumb bob and a level are used to ensure the accuracy of the detection.
The portable drop weight deflectometer can be conveniently moved and stably tested, which reduces the waste of manpower and material resources, protects vulnerable parts, and improves the testing efficiency and instrument life.
Smart Images

Figure CN223356519U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of roadbed bearing capacity detection, in particular to a movable device carrying a portable drop weight deflectometer. Background Art
[0002] In the past two decades, the research and development of non-destructive testing technology for pavement has received increasing attention at home and abroad. The portable drop-weight deflectometer has the advantages of no damage to the main body, fast measurement speed, high accuracy, and good simulation of vehicle load effects. Therefore, the portable drop-weight deflectometer is widely used in roadbed bearing capacity testing.
[0003] However, the existing portable drop weight deflectometer has some disadvantages during use. First, the overall mass of the portable drop weight deflectometer is heavy, close to 25 kg, and it is not easy to move. When the inspectors are faced with more inspection tasks, manual transportation of the portable drop weight deflectometer is often required for 2 to 3 inspectors, which wastes manpower and material resources and has low inspection efficiency. Second, when using the portable drop weight deflectometer for inspection, the vulnerable parts of the portable drop weight deflectometer may be damaged during the transportation process.
[0004] To this end, a movable device carrying a portable drop weight deflectometer is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a movable device for carrying a portable drop weight deflectometer, which can solve some disadvantages of the existing portable drop weight deflectometer during use. First, the overall mass of the portable drop weight deflectometer is heavy, close to 25 kg, and it is not convenient to move. When the inspection personnel are faced with more inspection tasks, manual transportation of the portable drop weight deflectometer is often required for 2 to 3 inspection personnel, which wastes manpower and material resources and has low inspection efficiency. Second, when using the portable drop weight deflectometer for inspection, the problem of vulnerable parts of the portable drop weight deflectometer may be damaged during transportation.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a movable device for carrying a portable drop weight deflectometer, comprising a carrying body, a carrying handle bolted to the rear side of the top of the carrying body, a first receiving device provided on the right side of the top of the carrying body, a second receiving device and a third receiving device provided on the left side of the front side of the top of the carrying body, a working assembly provided on the rear side of the left side of the top of the carrying body, a fixing assembly provided on the left side of the carrying body, one side of the working assembly being connected to the fixing assembly, the fixing assembly including a screw provided on the left side of the working assembly, brake wheels provided at the four corners of the bottom of the carrying body, a plumb bob provided on the top of the carrying body, and the plumb bob located on the right side of the working assembly;
[0007] The working assembly includes an upper chassis, an upper slide rail, a load platform, a lower chassis, a lower slide rail, a directional pulley, a slider, a connecting device, a circular slot and a buffer device. The upper chassis is bolted to the bottom of the load-bearing body, the upper slide rail is bolted to both sides of the bottom of the upper chassis, the load platform is arranged at the bottom of the upper chassis, the lower chassis is arranged at the bottom of the upper chassis, the lower slide rail is bolted to both sides of the top of the lower chassis, the directional pulley is slidably connected to the inside of the lower rail, the slider is welded to both sides of the load platform, the slider is slidably connected to the inside of the upper slide rail, the connecting device is welded to the left side of the load platform, the inside of the connecting device is plugged with screws, the circular slot of the connecting device is welded to the bottom side of the inside of the load platform, and buffer devices are welded on both sides of the front and rear sides of the load platform.
[0008] Preferably, a first metal washer is sleeved on the surface of the screw, and the inner side of the first metal washer is in contact with the left side of the connecting device.
[0009] Preferably, a rubber gasket is sleeved on the inner side of the screw surface, and the rubber gasket is located on the inner side of the connecting device. A displacement limiter is clamped on the inner side of the screw surface, and the inner side of the displacement limiter is in contact with the inner side of the connecting device.
[0010] Preferably, the inner side of the screw surface is threadedly connected with a clevis nut, and the outer side of the clevis nut is in contact with the inner side of the rubber gasket.
[0011] Preferably, a sponge mold that fits the sliding rod part of the portable drop weight deflectometer is placed inside the first storage device, a sponge mold that fits the data collector of the portable drop weight deflectometer is placed inside the second storage device, a sponge mold is set on the bottom side of the third storage device, and a level is set inside the third storage device, and the level is in contact with the sponge mold.
[0012] Preferably, the buffer device includes a spring and a second metal gasket, the spring is welded to both sides of the front side and the rear side of the load platform respectively, and the second metal gasket is welded to the outside of the spring.
[0013] Preferably, a directional wheel is provided inside the upper slide rail, and the directional wheel is made of rubber material.
[0014] Preferably, the interior of the circular slot is a cavity, and the circular slot is used to accommodate the bearing plate portion of the portable drop weight deflectometer.
[0015] Preferably, the plumb bob includes a fixing frame, a clamping hole and a plumb bob, the fixing frame is bolted to the top of the supporting body, the clamping hole is opened at the top of the left side of the fixing frame, the plumb bob is located at the bottom of the fixing frame, and the line end of the plumb bob is bolted to the inside of the clamping hole.
[0016] Preferably, the level includes a cylindrical body and a vial, the cylindrical body is arranged inside the third receiving device, and the vial is arranged on the inner side of the top of the cylindrical body.
[0017] Compared with the prior art, the beneficial effects of the present invention are:
[0018] 1. This application provides a working assembly so that the device can conveniently carry and move the portable drop weight deflectometer, thereby solving the problem of the original instrument being heavy and inconvenient to move, reducing the need for manpower handling, improving detection efficiency, and saving manpower and material resources.
[0019] 2. This application can ensure the stability of the working component during use by setting up a fixed component, and it is also convenient to fix the working component during transportation, thereby protecting the vulnerable parts of the portable drop weight deflectometer and reducing the risk of damage during transportation. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is an overall structural diagram of the movable device carrying the portable drop weight deflectometer of the present invention;
[0021] Figure 2 This is a structural diagram of the carrier body of the present invention.
[0022] Figure 3 A schematic diagram of the working structure of the present invention
[0023] Figure 4 A partial cutaway diagram of the working structure of the present invention
[0024] Figure 5 Schematic diagram of the structure of the buffer device of the present invention
[0025] Figure 6 A partial cross-sectional schematic diagram of the connection structure of the fixing structure and the connection device of the present invention
[0026] Figure 7 A partial cutaway diagram of the level of the present invention
[0027] Figure 8 It is a structural schematic diagram of the plumb bob of the present invention.
[0028] In the figure, 1. load-bearing body; 2. carrying handle; 3. first storage device; 4. second storage device; 5. fixing assembly; 501. screw; 502. first metal gasket; 503. rubber gasket; 504. displacement limiter; 505. ram nut; 6. working assembly; 601. upper chassis; 602. upper slide rail; 603. load platform; 604. lower chassis; 605. lower slide rail; 606. directional pulley; 607. slider; 608. connecting device; 609. circular slot; 610. buffer device; 61001. spring; 61002. second metal gasket; 7. brake wheel; 8. plumb bob; 801. fixing frame; 802. card hole; 803. plumb bob; 9. third storage device; 10. level; 1001. cylindrical cylinder; 1002. level bubble; 11. directional wheel. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0030] See also Figure 1-8 , this utility model provides a technical solution:
[0031] A portable device for carrying a drop weight deflectometer includes a carrying body 1, a carrying handle 2 bolted to the rear side of the top of the carrying body 1, a first receiving device 3 provided on the right side of the top of the carrying body 1, a second receiving device 4 and a third receiving device 9 provided on the left side of the front side of the top of the carrying body 1, a working assembly 6 provided on the rear side of the left side of the top of the carrying body 1, a fixing assembly 5 provided on the left side of the carrying body 1, one side of the working assembly 6 is connected to the fixing assembly 5, and the fixing assembly 5 includes a screw 501 provided on the left side of the working assembly 6, brake wheels 7 are provided at the four corners of the bottom of the carrying body 1, and a plumb bob 8 is provided on the top of the carrying body 1, and the plumb bob 8 is located on the right side of the working assembly 6;
[0032] The working assembly 6 includes an upper chassis 601, an upper slide rail 602, a load platform 603, a lower chassis 604, a lower slide rail 605, a directional pulley 606, a slider 607, a connecting device 608, a circular slot 609 and a buffer device 610. The upper chassis 601 is bolted to the bottom of the load-bearing body 1, the upper slide rail 602 is bolted to both sides of the bottom of the upper chassis 601, the load platform 603 is set at the bottom of the upper chassis 601, the lower chassis 604 is set at the bottom of the upper chassis 601, and the lower slide rail 605 is bolted to On both sides of the top of the lower chassis 604, the directional pulleys 606 are slidably connected to the inside of the lower slide rail 605, the sliders 607 are respectively welded on both sides of the load platform 603, the sliders 607 are slidably connected to the inside of the upper slide rail 602, the connecting device 608 is welded to the left side of the load platform 603, the inside of the connecting device 608 is plugged into the screw 501, and the circular slot 609 of the connecting device 608 is welded to the bottom side of the inside of the load platform 603, and the buffer devices 610 are welded on both sides of the front and rear sides of the load platform 603.
[0033] In this embodiment: a first receiving device 3 is provided on the right side of the top of the carrying body 1 for receiving some components of the portable drop weight deflectometer, a second receiving device 4 and a third receiving device 9 are provided on the left side of the front side for receiving other related equipment, and a working component 6 is located on the left rear side of the top of the carrying body 1, including an upper chassis 601, an upper slide rail 602, a load platform 603, a lower chassis 604, a lower slide rail 605, a directional pulley 606, a slider 607, a connecting device 608, a circular slot 609 and a buffer device 610, the load platform 603 slides in the upper slide rail 602 through the slider 607, and the directional pulley 606 slides in the lower slide rail 605 to realize the movement of the load platform 603, thereby facilitating the carrying and adjustment of the position of the portable drop weight deflectometer, and the carrying handle 2 makes it convenient for the inspector to drag the entire device to move, and the brake wheel 7 is used The control device stops and stabilizes, and the screw 501 of the fixed component 5 is connected to the connecting device 608 of the working component 6. By adjusting the state of the screw 501 and related components, the working component 6 can be made to be fixed or free. During transportation, the working component 6 is fixed to protect the vulnerable parts of the portable drop weight deflectometer from damage. The plumb bob 8 is located on the right side of the working component 6 and is used to adjust the posture of the portable drop weight deflectometer during the detection process to ensure its accuracy. During actual use, the inspector places the relevant components of the portable drop weight deflectometer in the corresponding storage device and the working component 6 respectively, and then moves the device to the detection position through the carrying handle 2 and the brake wheel 7. During the detection process, the working component 6 and the fixed component 5 are used to adjust the position and state of the instrument, and the plumb bob 8 is used to ensure the accuracy of the instrument, thereby realizing the detection of the bearing capacity of the roadbed.
[0034] Specifically, such as Figure 6As shown, a first metal washer 502 is sleeved on the surface of the screw 501 , and the inner side of the first metal washer 502 contacts the left side of the connecting device 608 .
[0035] Specifically, such as Figure 6 As shown, a rubber gasket 503 is sleeved on the inner side of the surface of the screw 501, and the rubber gasket 503 is located on the inner side of the connecting device 608. A displacement limiter 504 is clamped on the inner side of the surface of the screw 501, and the inner side of the displacement limiter 504 is in contact with the inner side of the connecting device 608.
[0036] Specifically, such as Figure 6 As shown, the inner side of the surface of the screw 501 is threadedly connected to a clevis nut 505 , and the outer side of the clevis nut 505 contacts the inner side of the rubber gasket 503 .
[0037] In this embodiment: by setting a first metal gasket 502, a rubber gasket 503, a displacement limiter 504 and a clevis nut 505, when the clevis nut 505 is tightened, the clevis nut 505 squeezes the rubber gasket 503, and the rubber gasket 503 is deformed, so that the connecting device 608 is in close contact with the displacement limiter 504, thereby fixing the working component 6. When the clevis nut 505 is loosened, the connecting device 608 can move freely, thereby adjusting the position of the working component 6. Such a design can ensure that the working component 6 is stable and reliable during use, and is easy to adjust and fix, thereby protecting the vulnerable parts of the portable drop weight deflectometer and improving the service life and safety of the device.
[0038] Specifically, such as Figure 2 As shown, a sponge mold that fits the sliding rod part of the portable drop weight deflectometer is placed inside the first receiving device 3, a sponge mold that fits the data collector of the portable drop weight deflectometer is placed inside the second receiving device 4, a sponge mold is set on the bottom side of the third receiving device 9, and a level is set inside the third receiving device 9, and the level is in contact with the sponge mold.
[0039] Specifically, such as Figure 5 As shown, the buffer device 610 includes a spring 61001 and a second metal gasket 61002 . The spring 61001 is welded to both sides of the front and rear sides of the load platform 603 , and the second metal gasket 61002 is welded to the outside of the spring 61001 .
[0040] In this embodiment: by providing a sponge mold that fits each component, good protection can be provided for the sliding rod part, data collector and level of the portable drop weight deflectometer, reducing the damage to these components caused by collision and vibration during transportation. By providing a buffer device 610, the spring 61001 and the second metal gasket 61002 can effectively absorb the impact force generated by the load platform 603 during movement and use, further protecting the portable drop weight deflectometer and other components, extending their service life, and ensuring the accuracy and stability of the detection work.
[0041] Specifically, such as Figure 4 As shown, a directional wheel 11 is provided inside the upper slide rail 602, and the directional wheel 11 is made of rubber material.
[0042] Specifically, such as Figure 3 As shown, the interior of the circular slot 609 is a cavity, and the circular slot 609 is used to accommodate the bearing plate part of the portable drop weight deflectometer.
[0043] In this embodiment: by arranging a directional wheel 11 made of rubber material inside the upper slide rail 602, the resistance of the slider 607 when sliding in the upper slide rail 602 can be reduced, so that the movement of the load platform 603 is smoother. At the same time, the directional wheel 11 made of rubber material can also play a certain buffering role, reducing wear and noise. By arranging a circular slot 609 for accommodating the supporting plate part of the portable drop weight deflectometer, it can be ensured that the supporting plate part is stably placed in the working component 6, avoiding shaking or displacement during movement and use, thereby ensuring the smooth progress of the detection work.
[0044] Specifically, such as Figure 8 As shown, the plumb bob 8 includes a fixing frame 801, a hole 802 and a plumb bob 803. The fixing frame 801 is bolted to the top of the supporting body 1, the hole 802 is opened at the top of the left side of the fixing frame 801, the plumb bob 803 is located at the bottom of the fixing frame 801, and the wire end of the plumb bob 803 is bolted to the inside of the hole 802.
[0045] Specifically, such as Figure 7 As shown, the level 10 includes a cylindrical body 1001 and a vial 1002 . The cylindrical body 1001 is arranged inside the third receiving device 9 , and the vial 1002 is arranged on the inner side of the top of the cylindrical body 1001 .
[0046] In this embodiment: by setting up a plumb bob 8, when using a portable drop weight deflectometer for testing, the plumb bob 803 in the plumb bob 8 can help the tester adjust the posture of the portable drop weight deflectometer so that the sliding rod part of the drop weight deflectometer is perpendicular to the supporting plate, thereby improving the accuracy and precision of the test; by setting up a level 10, when the cylindrical barrel 1001 is inserted into the supporting plate part of the portable drop weight deflectometer, the level bubble 1002 can be used to indicate whether the supporting plate is in a horizontal state; the tester can adjust the supporting plate according to the indication of the level bubble 1002 so that the supporting plate part is in a horizontal state, further ensuring the accuracy of the test results.
[0047] Working principle: In the process of using the movable device for carrying the portable drop weight deflectometer, the relevant components of the portable drop weight deflectometer are placed in the corresponding storage devices respectively, wherein the sponge mold in the first storage device 3 fits the slide rod part, the sponge mold in the second storage device 4 fits the data collector, and the sponge mold in the third storage device 9 fits the leveler, so as to achieve effective protection and fixation of each component. When conducting inspection, the device is moved to the inspection position using the carrying handle 2 and the brake wheel 7, and then the load platform 603 slides in the upper slide rail 602 through the slider 607, and the directional pulley 606 slides in the lower rail 605 to realize the movement of the load platform 603, thereby facilitating the carrying and adjustment of the portable drop weight deflectometer. The instrument is positioned, the directional wheel 11 in the upper slide rail 602 reduces the sliding resistance, making the load platform 603 move more smoothly, the circular slot 609 is used to place the load-bearing plate part of the portable drop weight deflectometer to ensure its stable placement, the spring 61001 and the second metal gasket 61002 of the buffer device 610 can absorb the impact force and protect the instrument and components. Then, by tightening or loosening the clevis nut 505, squeezing or releasing the rubber gasket 503, the connecting device 608 is in close contact with the displacement limiter 504 or moves freely, thereby achieving the fixation or adjustment of the working component 6, the plumb bob 803 in the plumb bob 8 is bolted to the inside of the card hole 802 through the wire end, which can help adjust the sliding rod part of the portable drop weight deflectometer to be perpendicular to the load-bearing plate. The level bubble 1002 in the level 10 is used to determine whether the supporting plate is horizontal, and is adjusted by inserting it into the cylindrical barrel 1001. In short, during the use of the device, the various components work together to achieve convenient loading, movement and accurate detection of the portable drop weight deflectometer, while protecting the instrument's vulnerable parts.
[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A movable device for carrying a portable drop weight deflectometer, comprising a carrying body (1), characterized in that: A carrying handle (2) is bolted to the rear side of the top of the carrying body (1), a first receiving device (3) is provided on the right side of the top of the carrying body (1), a second receiving device (4) and a third receiving device (9) are provided on the left side of the front side of the top of the carrying body (1), a working component (6) is provided on the rear side of the left side of the top of the carrying body (1), a fixing component (5) is provided on the left side of the carrying body (1), one side of the working component (6) is connected to the fixing component (5), and the fixing component (5) includes a screw (501) provided on the left side of the working component (6), brake wheels (7) are provided at the four corners of the bottom of the carrying body (1), a plumb bob (8) is provided on the top of the carrying body (1), and the plumb bob (8) is located on the right side of the working component (6); The working assembly (6) comprises an upper chassis (601), an upper slide rail (602), a load platform (603), a lower chassis (604), a lower slide rail (605), a directional pulley (606), a slider (607), a connecting device (608), a circular slot (609) and a buffer device (610), wherein the upper chassis (601) is bolted to the bottom of the bearing body (1), the upper slide rail (602) is bolted to both sides of the bottom of the upper chassis (601), the load platform (603) is arranged at the bottom of the upper chassis (601), the lower chassis (604) is arranged at the bottom of the upper chassis (601), and the lower slide rail (605) is bolted to both sides of the bottom of the upper chassis (601). Connected to both sides of the top of the lower chassis (604), the directional pulley (606) is slidably connected to the inside of the lower slide rail (605), the slider (607) is respectively welded to both sides of the load platform (603), the slider (607) is slidably connected to the inside of the upper slide rail (602), the connecting device (608) is welded to the left side of the load platform (603), the inside of the connecting device (608) is plugged with the screw (501), the circular slot (609) of the connecting device (608) is welded to the bottom side of the inside of the load platform (603), and the buffer device (610) is welded on both sides of the front and rear sides of the load platform (603).
2. The movable device for carrying a portable drop weight deflectometer according to claim 1, characterized in that: A first metal washer (502) is sleeved on the surface of the screw (501), and the inner side of the first metal washer (502) contacts the left side of the connecting device (608).
3. The movable device for carrying a portable drop weight deflectometer according to claim 1, characterized in that: A rubber gasket (503) is sleeved on the inner side of the surface of the screw (501), and the rubber gasket (503) is located on the inner side of the connecting device (608). A displacement limiter (504) is clamped on the inner side of the surface of the screw (501), and the inner side of the displacement limiter (504) contacts the inner side of the connecting device (608).
4. The movable device for carrying a portable drop weight deflectometer according to claim 1, characterized in that: The inner side of the surface of the screw (501) is threadedly connected to a horn nut (505), and the outer side of the horn nut (505) is in contact with the inner side of the rubber gasket (503).
5. The movable device for carrying a portable drop weight deflectometer according to claim 1, characterized in that: A sponge mold that fits the sliding rod part of the portable drop weight deflectometer is placed inside the first receiving device (3), a sponge mold that fits the data collector of the portable drop weight deflectometer is placed inside the second receiving device (4), a sponge mold is set on the bottom side of the inside of the third receiving device (9), and a level (10) is set inside the third receiving device (9), and the level (10) is in contact with the sponge mold.
6. The movable device for carrying a portable drop weight deflectometer according to claim 1, characterized in that: The buffer device (610) comprises a spring (61001) and a second metal gasket (61002), wherein the spring (61001) is welded to the front and rear sides of the load platform (603), respectively, and the second metal gasket (61002) is welded to the outside of the spring (61001).
7. The movable device for carrying a portable drop weight deflectometer according to claim 1, characterized in that: A directional wheel (11) is provided inside the upper slide rail (602), and the directional wheel (11) is made of rubber material.
8. The movable device for carrying a portable drop weight deflectometer according to claim 1, characterized in that: The interior of the circular card slot (609) is a cavity, and the circular card slot (609) is used to accommodate a bearing plate portion of a portable drop weight deflectometer.
9. The movable device for carrying a portable drop weight deflectometer according to claim 1, characterized in that: The plumb bob (8) comprises a fixing frame (801), a clamping hole (802) and a plumb bob (803), wherein the fixing frame (801) is bolted to the top of the bearing body (1), the clamping hole (802) is opened at the top of the left side of the fixing frame (801), the plumb bob (803) is located at the bottom of the fixing frame (801), and the line end of the plumb bob (803) is bolted to the inside of the clamping hole (802).
10. The movable device for carrying a portable drop weight deflectometer according to claim 5, characterized in that: The level (10) comprises a cylindrical body (1001) and a level bubble (1002), wherein the cylindrical body (1001) is arranged inside the third receiving device (9), and the level bubble (1002) is arranged on the inner side of the top of the cylindrical body (1001).