Pavement strength detection device for engineering investigation

Abstract

The utility model discloses a pavement strength detection device for engineering investigation, which comprises two support plates, the two support plates are symmetrically arranged, a hammer head is fixedly assembled at the lower end of a sliding rod, the outer wall of a spring is sleeved with an elastic sheath, the elastic sheath is fixedly connected between a cross beam plate and a cross plate, and the cross beam plate is fixedly connected with the cross plate. The stability of the equipment is guaranteed through supporting plates on the two sides, a component is fixedly connected conveniently through a cross beam plate, a sliding rod is matched with a hammer head, displacement of the hammer head can be controlled, the hammer head can be stretched to the top end of the equipment through cooperation of a tensioning structure and a rack, a spring is extruded to store force through the action of a cross plate and the spring, and the spring is a high-strength spring and is not prone to damage and reliable in deformation range. Meanwhile, certain elastic force is achieved, the requirement for road surface detection is met sufficiently, springs of different specifications can be replaced according to the requirement, the hammer head can conduct next hammering work conveniently, and the strength of the road surface is detected through hammering.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering survey technical field, concretely relates to a road surface strength detection device for engineering survey. BACKGROUND

[0002] Road surface strength detection can accurately evaluate the bearing capacity of road surface under the action of vehicle load, for the expressway and city trunk road, a large number of vehicles of different types and weights travel every day, if the road surface strength is insufficient, road surface deformation, cracking and even collapse may appear when heavy vehicles pass, by detecting road surface strength, these potential dangers can be found in advance, and timely measures are taken, such as limiting the passage of overweight vehicles or reinforcing and repairing the road surface, so as to guarantee the safety of vehicle driving, the existing detection equipment is complex to operate, and the detection range is small. SUMMARY

[0003] The utility model discloses a kind of road surface strength detection devices for engineering survey, to solve the problem raised in above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of road surface strength detection device for engineering survey, including two support plates, two The support plate is symmetrically arranged, and the upper end between two support plates is fixedly assembled with beam plate, the inner wall of the beam plate is inserted with slide bar, the inner wall of the slide bar is embedded with rack, the surface of the beam plate is fixedly assembled with tensioning structure, the tensioning structure is connected with rack engagement, the surface of the beam plate is fixedly assembled with limiting structure, the limiting structure is matched with slide bar, the outer wall lower end of the slide bar is fixedly assembled with cross plate, the outer wall of the slide bar is sleeved with spring, one end of the spring is fixedly connected with the lower end of beam plate, the other end of the spring is fixedly connected with cross plate, the lower end of the slide bar is fixedly assembled with hammer head, the outer wall of the spring is sleeved with elastic sheath, and the elastic sheath is fixed between the beam plate and the cross plate.

[0005] Preferably, the tensioning structure includes an L-shaped plate, the L-shaped plate is fixedly assembled on the surface of the beam plate, the inner wall of the L-shaped plate is fixedly assembled with an electric telescopic rod, the piston rod end of the electric telescopic rod is fixedly connected with a motor, the lower end of the motor base of the motor is attached to the surface of the L-shaped plate, the motor shaft end of the motor is fixedly assembled with a gear, and the gear is engaged with the rack.

[0006] Preferably, the limiting structure includes a bracket, the bracket is fixedly assembled on the surface of the beam plate, the inner wall of the bracket is embeddedly assembled with a nut, the inner wall of the nut is screwed with a reach sensor, and the reach sensor is matched with the slide bar.

[0007] Preferably, the upper end of the slide bar is fixedly assembled with a buffer block.

[0008] Compared with the prior art, the road surface detection device has the advantages that the stability of the device is ensured by the two side supporting plates, the horizontal beam plate is convenient for fixing components, the sliding rod cooperates with the hammer head to control the displacement of the hammer head, the hammer head can be stretched to the top end of the device through the cooperation of the tensioning structure and the rack, and the action of the cross plate and the spring can extrude the spring to store power, the spring is a high-strength spring and is not easy to be damaged, has a reliable deformation range, has a certain elasticity, can meet the requirements of road surface detection, different specifications of springs can be replaced according to requirements, the hammer head is convenient for the next hammering work, the strength of the road surface is detected through hammering, the elastic sleeve is made of soft rubber material and can be stretched and deformed to protect the spring, the force required for hammering can be adjusted according to requirements through the action of the limiting structure, so that different road surface detection can be adapted, the use range is ensured to be wide, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a structure perspective view of the utility model;

[0010] Figure 2 It is a front view of the utility model;

[0011] Figure 3 It is Figure 2 It is an enlarged schematic view of structure A.

[0012] In the figure: 1-supporting plate, 2-horizontal beam plate, 3-sliding rod, 4-rack, 5-tensioning structure, 51-L-shaped plate, 52-electric telescopic rod, 53-motor, 54-gear, 6-limiting structure, 61-bracket, 62-nut, 63-in-place sensor, 7-cross plate, 8-spring, 9-elastic sleeve, 10-hammer head, 11-buffer block. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0014] Please refer to Figures 1-3The utility model provides a road surface strength detection device for engineering reconnaissance, including two support plates 1, two support plates 1 are symmetrically arranged, the upper end fixed assembly of two support plates 1 has crossbeam plate 2 between, the inner wall of crossbeam plate 2 is inserted with slide rod 3, the inner wall of slide rod 3 is embedded with rack 4, the surface fixed assembly of crossbeam plate 2 has tension structure 5, and tension structure 5 is connected with rack 4 and engages, the surface fixed assembly of crossbeam plate 2 has limit structure 6, and limit structure 6 is matched with slide rod 3, the outer wall lower end fixed assembly of slide rod 3 has crossbeam 7, and the outer wall sleeve of slide rod 3 has spring 8, and one end of spring 8 is fixedly connected with the lower end of crossbeam plate 2, and the other end of spring 8 is fixedly connected with crossbeam 7, and the lower end fixed assembly of slide rod 3 has hammer head 10, and the outer wall sleeve of spring 8 has elastic sheath 9, and elastic sheath 9 is fixed between crossbeam plate 2 and crossbeam 7.

[0015] The stability of the equipment is ensured by the support plates 1 on both sides, the crossbeam plate 2 facilitates the fixed component, the slide rod 3 is matched with the hammer head 10, the displacement of the hammer head 10 can be controlled, the hammer head 10 can be stretched to the top end of the equipment by matching the tension structure 5 with the rack 4, and the spring 8 is extruded to store energy by the action of the crossbeam 7 and the spring 8, the spring 8 is a high-strength spring and is not easy to damage, has a reliable deformation range, has a certain elasticity at the same time, can meet the demand of road detection, different specifications of the spring 8 can be replaced according to the need, the hammer head 10 is convenient for the next hammering work, the strength of the road is detected by hammering, the elastic sheath 9 is made of soft rubber material and can be stretched and deformed, is used for protecting the spring 8, the force required for hammering can be adjusted according to the need by the action of the limit structure 6, so that different road detection can be adapted, the use range is wide, and the practicability is strong.

[0016] The tension structure 5 includes an L-shaped plate 51 fixedly assembled on the surface of the crossbeam plate 2, an electric telescopic rod 52 fixedly assembled on the inner wall of the L-shaped plate 51, a motor 53 fixedly connected to the piston rod end of the electric telescopic rod 52, a gear 54 fixedly assembled on the motor shaft end of the motor 53, and the gear 64 is engaged with the rack 4.

[0017] The limit structure 6 includes a support 61 fixedly assembled on the surface of the crossbeam plate 2, a nut 62 embeddedly assembled on the inner wall of the support 61, and a reach sensor 63 screwed on the inner wall of the nut 62, and the reach sensor 63 is matched with the slide rod 3.

[0018] When the device is in use, first, the hammering force required for detecting the road surface is evaluated, the in-place sensor 63 is displaced in the nut 62, and the in-place sensor 63 is adjusted to the appropriate position, so as to control the highest position of the upward movement of the slide rod 3, the cross plate 7 presses the spring 8, the range of the upward movement of the slide rod 3 is different, and the force stored by the spring 8 is also different, after the position of the in-place sensor 63 is fixed, the motor 53 is started, the motor 53 drives the gear 54 to rotate, the gear 54 drives the rack 4 engaged with the gear 54 to displace upward, and the slide rod 3 is driven to move upward, when the top end of the slide rod 3 contacts the in-place sensor 63, the in-place sensor 63 releases the signal through the controller to stop the motor 53, at this time, the slide rod 3 stops displacement, the spring 8 is in the compressed and stored force state, and the hammer head 10 also rises, the electric telescopic rod 52 is started, the electric telescopic rod 52 drives the motor 53 to displace towards the direction of the electric telescopic rod 52 through the piston rod, and the gear 54 is driven to disengage from the rack 4, the rack 4 cancels the restraint force, the spring 8 presses the cross plate 7 and drives the slide rod 3 to rapidly descend, and the hammer head 10 is driven to hit the road surface, so as to ensure the effect of the road surface strength detection, the above-mentioned L-shaped plate is used for fixing the electric telescopic rod 52, and simultaneously facilitates the displacement of the motor 53 and the motor base on the surface, and the support 61 ensures the fixed position and stability of the in-place sensor 63.

[0019] The upper end of the slide rod 3 is fixedly provided with a buffer block 11.

[0020] The buffer block 11 can play a role in protecting the limiting structure 63.

[0021] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A road surface strength detection device for engineering survey, characterized by: The utility model provides a kind of two-plate type tensioning device, including two support plates (1), two described support plates (1) are symmetrically arranged, and the upper end between two described support plates (1) is fixedly equipped with beam plate (2), the inner wall of described beam plate (2) is inserted with slide bar (3), the inner wall of described slide bar (3) is embedded with rack (4), the surface of described beam plate (2) is fixedly equipped with tensioning structure (5), described tensioning structure (5) is engaged with rack (4) and is connected, the surface of described beam plate (2) is fixedly equipped with limiting structure (6), described limiting structure (6) is matched with slide bar (3), the outer wall lower end of described slide bar (3) is fixedly equipped with horizontal plate (7), the outer wall of described slide bar (3) is sleeved with spring (8), one end of described spring (8) is fixedly connected with the lower end of beam plate (2), the other end of described spring (8) is fixedly connected with horizontal plate (7), the lower end of described slide bar (3) is fixedly equipped with hammer head (10), the outer wall of described spring (8) is sleeved with elastic sheath (9), and described elastic sheath (9) is fixed between beam plate (2) and described horizontal plate (7).

2. The road surface strength detection device for engineering surveying according to claim 1, characterized in that: The tensioning structure (5) includes an L-shaped plate (51) fixedly assembled on the surface of the beam plate (2), an electric telescopic rod (52) fixedly assembled on the inner wall of the L-shaped plate (51), a motor (53) fixedly connected to the piston rod end of the electric telescopic rod (52), a motor shaft end of the motor (53) fixedly assembled with a gear (54), and the gear (54) engaged with the rack (4).

3. The road strength detection device for engineering surveying according to claim 1, characterized in that: The limiting structure (6) includes a bracket (61) fixedly assembled on the surface of the beam plate (2), a nut (62) embeddedly assembled on the inner wall of the bracket (61), and a position sensor (63) screwed on the inner wall of the nut (62) matched with the slide bar (3).

4. The road strength detection device for engineering surveying according to claim 1, characterized in that: The upper end of the slide bar (3) is fixedly assembled with a buffer block (11).

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