Roadbed pavement material strength detection device

Abstract

The utility model relates to the technical field of roadbed and pavement material detection, and discloses a roadbed and pavement material strength detection device which comprises a fixed table, wheels are arranged at four corners of the lower surface of the fixed table, a push handle is fixedly connected above the right side of the fixed table, and a control device is fixedly mounted in the middle of the upper part of the front side of the fixed table. Second telescopic rods are connected to the middles of the left side and the right side of the upper surface of the fixing table, extension springs are arranged outside the second telescopic rods in a sleeving mode, a containing plate can elastically ascend and descend up and down through the second telescopic rods and the extension springs at the bottom, and the bottoms of two fixing blocks are perpendicularly connected to the middles of the left side and the right side of the upper surface of the containing plate respectively. And the threaded rod penetrates through the interior of the fixed block and can perform threaded rotation movement in the fixed block, the rotary handle is rotated, and the fixed disc is driven to move through the threaded rod, so that the effect of improving the stability and safety of the material in the detection process can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed and pavement material detection, in particular to a roadbed and pavement material strength detection device. Background Art

[0002] The roadbed is the foundation of the track or road surface. It is a geotechnical structure formed by excavation or filling. After the roadbed and road surface are laid, the strength of the road surface needs to be tested to check whether the construction meets the requirements.

[0003] However, when the current detection device is used to detect roadbed and pavement materials, the material stability is poor and it is easy for the material to shake during the detection process, thereby affecting the stability and safety of the material during the detection process. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a roadbed and pavement material strength testing device, which has the advantages of improving the stability and safety of the material during the testing process, and solves the problems mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roadbed and pavement material strength detection device, comprising a fixed platform, wheels are arranged at the four corners of the lower surface of the fixed platform, a push handle is fixedly connected to the upper right side of the fixed platform, a control device is fixedly installed on the middle part of the upper front side of the fixed platform, a second telescopic rod is fixedly connected to the middle parts of the left and right sides of the upper surface of the fixed platform, a tension spring is arranged on the outside of the second telescopic rod, a placement plate is fixedly connected to the top of the second telescopic rod, a fixing mechanism is arranged above the placement plate, the fixing mechanism comprises a fixing block, the number of the fixing blocks is two, the bottoms of the two fixing blocks are respectively fixedly connected to the middle parts of the left and right sides of the upper surface of the placement plate, a threaded rod is arranged on the middle part of the upper inside of the fixed block, one end of the threaded rod is fixedly connected to the turning handle, and the other end of the threaded rod is fixedly connected to the fixing plate.

[0008] Preferably, the four corners of the upper surface of the fixing platform are fixedly connected with a first telescopic rod, and an adjusting knob is provided in the middle of one side of the first telescopic rod.

[0009] Preferably, a top plate is fixedly connected to the top of the first telescopic rod, a stress sensor is provided in the middle of the lower surface of the top plate, and a protective mechanism is provided above the top plate.

[0010] The bottoms of the four first telescopic rods are respectively vertically connected to the four corners of the upper surface of the fixed platform. The top plate can be raised and lowered through the first telescopic rods at the bottom and adjusted according to actual conditions. The adjusting knob is used to control the height of the first telescopic rods.

[0011] Preferably, a cylinder is fixedly mounted on the middle portion of the upper surface of the fixed platform, a piston rod is provided on the top of the cylinder, and a top plate is fixedly connected to the top of the piston rod.

[0012] The cylinder can drive the top plate to reciprocate up and down through the piston rod at the top, pushing the placement plate to move.

[0013] Preferably, the protection mechanism comprises a hinge, and one side of the hinge is arranged at a middle part of the upper surface of the top plate close to the front side.

[0014] Preferably, a protective plate is fixedly connected to the other side of the hinge, and a handle is fixedly connected to the middle of the front side of the protective plate.

[0015] The protective plate can rotate above the top plate through hinges, which can provide certain safety protection for operators when testing materials and avoid injuries caused by splashing materials.

[0016] Compared with the prior art, the utility model provides a roadbed and pavement material strength detection device, which has the following beneficial effects:

[0017] 1. The utility model fixes the second telescopic rod connected to the middle of the left and right sides of the upper surface of the table, and the tension spring is sleeved on the outside of the second telescopic rod. The placement plate can elastically move up and down through the second telescopic rod and the tension spring at the bottom. The bottoms of the two fixed blocks are respectively vertically connected to the middle of the left and right sides of the upper surface of the placement plate. The threaded rod runs through the interior of the fixed block, and the threaded rotation movement can be performed inside the fixed block. By turning the handle, the fixed plate is driven to move through the threaded rod, thereby achieving the effect of improving the stability and safety of the material during the detection process.

[0018] 2. The utility model provides a hinge on the upper surface of the top plate close to the front side, and the protective plate can rotate through the hinge to shield the front side of the fixing mechanism, thereby achieving the effect of improving the safety of the tester. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 It is a front view structural schematic diagram of the utility model.

[0021] Wherein: 1. fixed platform; 101. wheel; 102. push handle; 103. control device; 104. first telescopic rod; 105. adjustment knob; 106. top plate; 107. stress sensor; 108. second telescopic rod; 109. tension spring; 110. placement plate; 111. cylinder; 112. piston rod; 113. top plate; 2. fixing mechanism; 201. fixing block; 202. threaded rod; 203. turning handle; 204. fixing plate; 3. protection mechanism; 301. hinge; 302. protection plate; 303. handle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-2A roadbed and pavement material strength detection device comprises a fixed platform 1, wheels 101 are arranged at the four corners of the lower surface of the fixed platform 1, a push handle 102 is fixedly connected to the upper right side of the fixed platform 1, a control device 103 is fixedly installed in the middle of the upper front of the fixed platform 1, second telescopic rods 108 are fixedly connected to the middle of the left and right sides of the upper surface of the fixed platform 1, a tension spring 109 is arranged on the outside of the second telescopic rod 108, a placement plate 110 is fixedly connected to the top of the second telescopic rod 108, a fixing mechanism 2 is arranged above the placement plate 110, the fixing mechanism 2 comprises a fixing block 201, the number of the fixing blocks 201 is two, the bottoms of the two fixing blocks 201 are fixedly connected to the middle of the left and right sides of the upper surface of the placement plate 110, a threaded rod 202 is arranged in the middle of the upper inner part of the fixed block 201, one end of the threaded rod 202 is fixedly connected to the turning handle 203, and the other end of the threaded rod 202 is fixed A fixed plate 204 is connected, and the fixed platform 1 can be moved by the wheels 101 at the bottom. The fixed platform 1 is pushed to move by the push handle 102. The control device 103 is used to control the start and stop of the device. The bottoms of the two second telescopic rods 108 are respectively vertically connected to the middle of the left and right sides of the upper surface of the fixed platform 1. The tension spring 109 is sleeved on the outside of the second telescopic rod 108, and the top is vertically connected to the middle of the lower surface of the placement plate 110. The placement plate 110 can be lifted up and down through the second telescopic rod 108 and the tension spring 109 at the bottom. The bottoms of the two fixed blocks 201 are respectively vertically connected to the middle of the left and right sides of the upper surface of the placement plate 110. The threaded rod 202 runs through the interior of the fixed block 201, and can perform threaded rotation movement inside it. By turning the handle 203, the fixed plate 204 can be driven to move through the threaded rod 202, and the detection materials of different sizes can be adjusted and fixed.

[0024] Specifically, Figure 1 and Figure 2 As shown, the four corners of the upper surface of the fixed platform 1 are fixedly connected with the first telescopic rod 104, an adjustment knob 105 is provided in the middle of one side of the first telescopic rod 104, the top of the first telescopic rod 104 is fixedly connected with a top plate 106, a stress sensor 107 is provided in the middle of the lower surface of the top plate 106, and a protective mechanism 3 is provided above the top plate 106.

[0025] Through the above technical solution, the bottoms of the four first telescopic rods 104 are respectively vertically connected to the four corners of the upper surface of the fixed platform 1, and the top plate 106 can be raised and lowered through the first telescopic rods 104 at the bottom, and adjusted according to actual conditions. The adjustment knob 105 is used to control the height of the first telescopic rods 104.

[0026] Specifically, Figure 2 As shown, a cylinder 111 is fixedly installed in the middle of the upper surface of the fixed platform 1 , a piston rod 112 is arranged on the top of the cylinder 111 , and a top plate 113 is fixedly connected to the top of the piston rod 112 .

[0027] Through the above technical solution, the cylinder 111 can drive the top plate 113 to reciprocate up and down through the piston rod 112 at the top, thereby pushing the placement plate 110 to move.

[0028] Specifically, Figure 2 As shown, the protective mechanism 3 includes a hinge 301, one side of the hinge 301 is arranged on the middle of the upper surface of the top plate 106 close to the front side, the other side of the hinge 301 is fixedly connected to a protective plate 302, and the middle of the front side of the protective plate 302 is fixedly connected to a handle 303.

[0029] Through the above technical solution, the protective plate 302 can rotate above the top plate 106 through the hinge 301, which can provide certain safety protection for operators when testing materials and avoid injuries caused by splashing materials.

[0030] When in use, the operator places the material to be tested on the upper surface of the placement plate 110, then turns the handle 203, drives the fixed plate 204 to move through the threaded rod 202 to fix the material, adjusts the height of the top plate 106 according to the size of the material, so that the stress sensor 107 can fit together with the material, and after adjustment, turns the adjustment knob 105 to fix the height of the first telescopic rod 104, holds the handle 303, lowers the protective plate 302, and finally starts the cylinder 111, drives the top plate 113 to move through the piston rod 112, presses the placement plate 110, drives the material to move, and makes it close to the stress sensor 107 to complete the detection.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A roadbed and pavement material strength testing device, comprising a fixed platform (1), characterized in that: Wheels (101) are arranged at the four corners of the lower surface of the fixed platform (1), a push handle (102) is fixedly connected to the upper right side of the fixed platform (1), a control device (103) is fixedly installed in the middle of the upper front of the fixed platform (1), a second telescopic rod (108) is fixedly connected to the middle of the left and right sides of the upper surface of the fixed platform (1), a tension spring (109) is arranged on the outside of the second telescopic rod (108), and a placement plate (110) is fixedly connected to the top of the second telescopic rod (108), and the placement plate A fixing mechanism (2) is arranged above the (110), and the fixing mechanism (2) comprises a fixing block (201). The number of the fixing blocks (201) is two, and the bottoms of the two fixing blocks (201) are respectively fixedly connected to the middle of the left and right sides of the upper surface of the placement plate (110). A threaded rod (202) is arranged in the middle of the upper part of the interior of the fixing block (201), one end of the threaded rod (202) is fixedly connected to a turning handle (203), and the other end of the threaded rod (202) is fixedly connected to a fixing plate (204).

2. A roadbed and pavement material strength detection device according to claim 1, characterized in that: The four corners of the upper surface of the fixed platform (1) are all fixedly connected to a first telescopic rod (104), and an adjustment knob (105) is provided in the middle of one side of the first telescopic rod (104).

3. A roadbed and pavement material strength detection device according to claim 2, characterized in that: The top of the first telescopic rod (104) is fixedly connected to a top plate (106), a stress sensor (107) is arranged in the middle of the lower surface of the top plate (106), and a protective mechanism (3) is arranged above the top plate (106).

4. A roadbed and pavement material strength detection device according to claim 1, characterized in that: A cylinder (111) is fixedly mounted in the middle of the upper surface of the fixed platform (1), a piston rod (112) is arranged on the top of the cylinder (111), and a top plate (113) is fixedly connected to the top of the piston rod (112).

5. A roadbed and pavement material strength detection device according to claim 3, characterized in that: The protection mechanism (3) comprises a hinge (301), and one side of the hinge (301) is arranged at the middle of one side of the upper surface of the top plate (106) close to the front side.

6. A roadbed and pavement material strength detection device according to claim 5, characterized in that: A protective plate (302) is fixedly connected to the other side of the hinge (301), and a handle (303) is fixedly connected to the middle of the front side of the protective plate (302).

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