Roadbed filling construction thickness control device

Abstract

The utility model provides a roadbed filling construction thickness control device which comprises a supporting frame, a cutting rod is arranged in the lower end of the supporting frame in a sliding mode, scales are arranged on the outer side of the cutting rod upwards from the bottom end of the cutting rod, and a pull-out assisting mechanism is arranged in the supporting frame. The pulling-out assisting mechanism is provided with two lower connecting rods hinged to the upper end of the cutting rod, upper connecting rods are hinged to the upper ends of the lower connecting rods, the upper ends of the upper connecting rods are hinged to the inner side of the top end of the supporting frame, and pressing arms integrated with the upper connecting rods are arranged at the ends, away from the cutting rod, of the upper connecting rods. When the device is used, the supporting frame is held by hand to insert the lower end of the cutting rod into filled earthwork, the filling thickness of the current position can be known by checking the scales on the outer side of the cutting rod, when the cutting rod is difficult to pull out, the cutting rod can be pulled out in a labor-saving mode through the pulling-out assisting mechanism, manpower is saved, and detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the roadbed filling construction technical field, concretely relates to a roadbed filling construction thickness control device. BACKGROUND

[0002] The roadbed needs to control its virtual paving thickness in the filling construction, and the virtual paving thickness is not the thickness after final compaction, but a preset paving thickness for ensuring the compaction effect. The reasonable control of the virtual paving thickness is crucial for ensuring the compaction quality of the roadbed.

[0003] Since the earthwork is usually virtually paved in layers in a large area during backfilling, the virtual paving thickness of the earthwork is usually observed and detected manually, which is laborious and difficult and complicated.

[0004] In the prior art, the Chinese utility model patent document with the authorization announcement number CN219531887U discloses a virtual paving thickness controller for earthwork, and the grafting rod can control the extension length according to the scale of the casing and the outer extension handle, and is used for detecting the virtual paving thickness of the earthwork. However, the grafting rod needs to be frequently inserted and pulled out during the detection process. The grafting rod can be inserted by means of its own weight during the insertion process, but the friction force between the soil and the grafting rod makes it necessary to use a large force to pull it out, or even a tool is needed to pull it out, which causes low detection efficiency.

[0005] Therefore, it is necessary to design a roadbed filling construction thickness control device which can conveniently and quickly pull out the grafting rod, save manpower, and improve the detection efficiency to solve the technical problems existing at present. SUMMARY

[0006] In view of the deficiencies in the prior art, the utility model provides a roadbed filling construction thickness control device which can conveniently and quickly pull out the grafting rod, save manpower, and improve the detection efficiency.

[0007] The technical scheme of the utility model is as follows: a roadbed filling construction thickness control device, comprising a support frame, a grafting rod is slidably arranged in the lower end of the support frame, a scale is arranged on the outer side of the grafting rod from the bottom end to the upper end, a pulling-out assisting mechanism is arranged in the support frame; the pulling-out assisting mechanism has two lower connecting rods which are hinged to the upper end of the grafting rod, an upper connecting rod is hinged to the upper end of the lower connecting rod, the upper end of the upper connecting rod is hinged to the inner side of the top end of the support frame, and a pressing arm which is an integral structure with the upper connecting rod is arranged on the end of the upper connecting rod which is away from the grafting rod.

[0008] The support frame has a bottom plate, two side plates are arranged in parallel on two sides of the bottom plate, and a top plate is fixedly arranged between the upper ends of the two side plates; a connecting shaft is vertically and fixedly arranged at the top end of the cutting stick, the bottom end of the lower connecting rod is rotationally connected with the connecting shaft, a slide is formed on the side plate and matched with the connecting shaft, the connecting shaft is slidably arranged in the slide, and a baffle is fixedly arranged at the two ends of the connecting shaft.

[0009] A conduit is fixedly arranged at the top of the bottom plate, the conduit penetrates through the bottom plate, and the cutting stick is slidably arranged in the conduit.

[0010] A connecting handle is fixedly arranged at the top end of the support frame, and a handle is fixedly arranged at the top end of the connecting handle.

[0011] A fixing groove is formed on one side of the connecting handle close to the pressing arm, a fixing rod matched with the fixing groove is arranged in the fixing groove, the bottom end of the fixing rod and the pressing arm are smoothly and transitionally connected into an integrated structure through an arc-shaped connecting arm, and a fixing ring for locking or releasing the connecting handle and the fixing rod is slidably sleeved on the outer side of the connecting handle.

[0012] The bottom end of the cutting stick has a taper.

[0013] The utility model discloses the beneficial effect of:

[0014] (1) the utility model discloses when using, handheld support frame inserts the lower end of cutting stick into the earthwork after filling, can understand the filling thickness of current position through checking the scale on the outside of cutting stick, when the cutting stick is difficult to pull out, can use the pulling-out assisting mechanism to pull out the cutting stick more labor-saving, save manpower, improve detection efficiency.

[0015] (2) when the cutting stick is difficult to pull out, the pressing arm is pressed downward, the lower connecting rod is swung downward, the cutting stick is moved upward relative to the lower end of the support frame, the support frame abuts against the top of the earthwork, and the cutting stick is pulled out, the pressing arm and the lower connecting rod form a labor-saving lever, the stress direction is changed, the cutting stick can be pulled out quickly and labor-savingly, manpower is saved, and detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the roadbed filling construction thickness control device.

[0017] Fig. 2 It is a second structural schematic view of the roadbed filling construction thickness control device.

[0018] Fig. 3 It is Fig. 2 It is a local enlarged view of A in the middle. DETAILED DESCRIPTION

[0019] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are not intended to limit the present invention or its application or use in any way. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete, and to fully express the scope of the present invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values ​​set forth in these embodiments should be interpreted as merely exemplary and not as limiting.

[0020] The terms "first," "second," and similar words used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Words such as "including" or "comprising" mean that the element preceding the word encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] like Figs. 1 to 3 As shown, the roadbed filling thickness control device includes a support frame 1. A cutting rod 2 is slidably mounted inside the lower end of the support frame 1. The outer side of the cutting rod 2 has graduations extending upwards from its bottom. A pull-out assist mechanism 3 is installed inside the support frame 1. In use, the lower end of the cutting rod 2 is inserted into the filled soil by holding the support frame 1. The filling thickness at the current position can be determined by checking the graduations on the outer side of the cutting rod 2. If pulling out the cutting rod 2 is difficult, the pull-out assist mechanism 3 can be used to pull it out more easily, saving manpower and improving inspection efficiency. The pull-out assist mechanism 3 has two hinges that are connected to the upper end of the cutting rod 2. The lower connecting rod 31 has an upper connecting rod 32 hinged to its upper end. The upper end of the upper connecting rod 32 is hinged to the inner side of the top of the support frame 1. A pressure arm 33, which is an integral part of the upper connecting rod 32, is provided at the end opposite to the cutting rod 2. When it is difficult to pull out the cutting rod 2, the pressure arm 33 is pressed down. The pressure arm 33 drives the lower connecting rod 31 to swing downward, causing the cutting rod 2 to move upward relative to the lower end of the support frame 1. The support frame 1 abuts against the top of the soil, pulling out the cutting rod 2. The pressure arm 33 and the lower connecting rod 31 form a force-saving lever and change the direction of force, which can pull out the cutting rod 2 quickly and effortlessly, saving manpower and improving inspection efficiency.

[0022] In some embodiments, the support frame 1 has a bottom plate 11, two sides of the bottom plate 11 are provided with side plates 12 in parallel, the upper ends of the two side plates 12 are fixedly provided with a top plate 13; the top end of the cutting stick 2 is vertically fixedly provided with a connecting shaft 34, the bottom end of the lower connecting rod 31 is rotationally connected with the connecting shaft 34, the side plate 12 is provided with a sliding groove 15 matched with the connecting shaft 34, the connecting shaft 34 is slidably arranged in the sliding groove 15, and the two ends of the connecting shaft 34 are fixedly provided with baffles 35; the movement range of the lower connecting rod 31 is limited through cooperation of the sliding groove 15 and the connecting shaft 34, so that the cutting stick 2 can be lifted upward when the pressing arm 33 is lowered, and the pulling-out assisting force is realized.

[0023] In some embodiments, the top of the bottom plate 11 is fixedly provided with a guide pipe 14, the guide pipe 14 penetrates the bottom plate 11, and the cutting stick 2 is slidably arranged in the guide pipe 14, so that the guide pipe 14 provides sliding guide support for the cutting stick 2.

[0024] In some embodiments, the top end of the support frame 1 is fixedly provided with a connecting handle 4, the top end of the connecting handle 4 is fixedly provided with a handle 5, the handle 5 is convenient for a construction worker to hold, and the cutting stick 2 is inserted into the earthwork.

[0025] In some embodiments, the connecting handle 4 is provided, near one side of the pressing arm 33, with a fixed groove 41, the fixed groove 41 is provided with a fixed rod 34 matched therewith, the bottom end of the fixed rod 34 is smoothly and transitionally connected with the pressing arm 33 through an arc-shaped connecting arm 35 to form an integrated structure, and the outer side of the connecting handle 4 is slidably sleeved with a fixing ring 42 for locking or releasing the fixed rod 34; when the fixed rod 34 is located in the fixed groove 41, the fixing ring 42 is sleeved on the outer side of the fixed rod 34 and the connecting handle 4, the locking between the connecting handle 4 and the fixed rod 34 can be realized, at this time, the cutting stick 2 and the support frame 1 can be fixed, and the cutting stick 2 can be conveniently inserted into the earthwork; when the pulling-out assisting force mechanism 3 needs to be used, the fixed rod 34 is moved out of the fixed groove 41 by sliding the fixing ring 42, and then the cutting stick 2 can be pulled out of the earthwork by pressing the pressing arm 33.

[0026] In some embodiments, the bottom end of the cutting stick 2 has a taper, so that the cutting stick 2 can be conveniently inserted into the virtual earthwork.

[0027] In some embodiments, in order to make the device light in weight to facilitate movement and carrying, all the components in the device can be made of aluminum alloy material or other material with suitable strength.

[0028] So far, the embodiments of the utility model have been described in detail. In order to avoid obscuring the concept of the utility model, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0029] The above-described embodiments only express some implementation manners of the present application, and the description is relatively specific and detailed, but should not be understood as a limitation on the scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A device for controlling the thickness of embankment construction, characterized by: The support frame is internally provided with a cutting stick at the lower end, and the outer side of the cutting stick is provided with a scale upward from the bottom end. The pulling assisting mechanism is provided with two lower connecting rods hinged to the upper end of the cutting stick, and the upper end of the lower connecting rod is hinged to an upper connecting rod.

2. The embankment construction thickness control device according to claim 1, characterized by: The support frame is provided with a bottom plate, and the two sides of the bottom plate are provided with side plates in parallel.

3. The embankment construction thickness control device according to claim 2, characterized by: The top end of the cutting stick is vertically fixedly provided with a connecting shaft, the bottom end of the lower connecting rod is rotationally connected to the connecting shaft, and the side plates are provided with sliding channels matched with the connecting shaft.

4. The embankment construction thickness control device according to claim 1, characterized by: The top of the bottom plate is fixedly provided with a guide pipe, and the guide pipe penetrates the bottom plate.

5. The embankment construction thickness control device according to claim 4, characterized by: The top end of the support frame is fixedly provided with a connecting handle, and the top end of the connecting handle is fixedly provided with a handle.

6. The embankment construction thickness control device according to claim 1, characterized by: The connecting handle is provided with a fixed slot on one side close to the pressing arm, and the fixed slot is provided with a fixed rod matched therewith. The bottom end of the cutting stick has a taper.

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