CN217078686U

CN217078686U - Highway engineering road bed compactness check out test set

Info

Publication number: CN217078686U
Application number: CN202220810239.5U
Authority: CN
Inventors: 李政宏; 杨凯; 李哲; 陈新田; 郭晓刚
Original assignee: Henan Traffic Detection Technology Research Institute Co ltd
Current assignee: Henan Traffic Detection Technology Research Institute Co ltd
Priority date: 2022-04-09
Filing date: 2022-04-09
Publication date: 2022-07-29
Anticipated expiration: 2032-04-09

Abstract

The utility model belongs to the technical field of basic compactness check out test set, especially, highway engineering road bed compactness check out test set. The scheme includes that the movable base is arranged, an n-shaped support is fixed to the top end of the movable base, a hydraulic cylinder is fixed to the top end of the n-shaped support, the telescopic end of the hydraulic cylinder penetrates through the n-shaped support, a lifting plate is fixedly connected to the n-shaped support in a sliding sleeved mode, the bottom end of the lifting plate is rotatably connected with a drilling rod, a first gear is fixedly connected to the outer side of the drilling rod, and a second gear is meshed with one side of the first gear. The utility model discloses be different from prior art, utilize synchronous formula positioning mechanism that supports, rotate the screw rod that corresponds through the hand wheel, and cooperate the effect of a plurality of parts, make four arcs support tight board then and can support tight brake to the gyro wheel outside that corresponds respectively, meanwhile, four locating levers can move down simultaneously to tie into to ground, effectively guarantee the stability that this equipment examined time measuring, the phenomenon of displacement easily appears when avoiding drilling.

Description

Highway engineering road bed compactness check out test set

Technical Field

The utility model relates to a base compactness check out test set technical field specifically is a highway engineering road bed compactness check out test set.

Background

Planning and making of highway engineering is a heavy and complex work, and for construction departments and traffic management departments, accurate acquisition of the soil quality of a highway base layer before highway construction is very important, so that corresponding detection equipment is required.

At present, when the compaction degree of a road foundation of highway engineering is detected, the most common method is a pit digging and sand filling method, however, in the process of digging a pit by using detection equipment, due to the fact that a corresponding protection structure is not arranged, broken stones are easy to splash, certain damage is caused to workers, and therefore the detection equipment for the compaction degree of the road foundation of highway engineering is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a highway engineering road bed compactness check out test set to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a highway engineering roadbed compactness detection device comprises a movable base, wherein an n-shaped support is fixed at the top end of the movable base, a hydraulic cylinder is fixed at the top end of the n-shaped support, the telescopic end of the hydraulic cylinder penetrates through the n-shaped support and is fixedly connected with a lifting plate, the lifting plate is slidably sleeved on the outer side of the n-shaped support, a drilling rod is rotatably connected to the bottom end of the lifting plate, a first gear is fixedly connected to the outer side of the drilling rod, a second gear is meshed to one side of the first gear, a motor is fixed to the outer side of the lifting plate through a bearing plate, an output shaft of the motor is connected with an installation shaft hole of the second gear, a rotating shaft is rotatably connected to the periphery of the bottom end of the movable base through two bearing seats, rollers are fixedly connected to the outer side of the rotating shaft, a synchronous abutting type positioning mechanism is installed on the outer side of the movable base, and a lifting transmission mechanism is connected between the lifting plate and the movable base;

lifting drive mechanism establishes the fender guard shield in the drilling rod outside including the movable sleeve, the outside rigid coupling that keeps off the guard shield has the connecting plate, the other end rigid coupling of connecting plate has sliding sleeve two, two sliding sleeve establish in the outside of pole setting, the pole setting is fixed on removing the base, helical drive is connected with one-way lead screw on the connecting plate, one end rotation of one-way lead screw is connected on the base, the other end rigid coupling has bevel gear one, one side meshing of bevel gear one is connected with bevel gear two, bevel gear two rotates through the connecting axle and connects in the pole setting, the other end rigid coupling of connecting axle has gear three, one side meshing of gear three is connected with the pinion rack, the pinion rack passes through the connecting rod to be fixed in the outside of lifter plate, run through on removing the base and set up and keep off guard shield matched with and run through the passageway, the diameter ratio that runs through the passageway keeps off the maximum diameter of guard shield and still needs big.

Preferably, the vertical section of the connecting plate is of a Z-shaped structure, the vertical section of the vertical rod is of an inverted L-shaped structure, and the connecting plate is arranged so that the protective cover can be driven to move downwards or upwards.

Preferably, the synchronous abutting type positioning mechanism comprises two symmetrical fixing rods which are fixed on two side walls of the movable base, the vertical sections of the fixing rods are Z-shaped structures, and the number of the fixing rods is four.

Preferably, the outer side of the fixed rod is connected with a pressing rod through a sliding sleeve, the sliding sleeve is sleeved with the pressing rod in a sliding mode, the bottom end of the pressing rod is provided with a first inclined surface, the first inclined surface faces the movable rod, and the first inclined surface can be seen in the attached drawings.

As preferred, it is equipped with the locating lever all to fix on the depression bar to inlay, and equal screw drive is connected with the screw rod on the locating lever, and the screw rod all rotates to be connected on the dead lever, and the equal rigid coupling in top of screw rod has the belt pulley, four the transmission is connected with same drive belt between the belt pulley, one of them the top extension rigid coupling of screw rod has the hand wheel, the effect of four belt pulleys and drive belt for four screw rod synchronous rotations need not to twist separately, and it is more convenient to operate.

Preferably, the one side of propping the depression bar all is equipped with the fixed plate of rigid coupling in the dead lever bottom, all the activity is inserted on the fixed plate and is equipped with the movable rod that the perpendicular cross-section is "Z" type structure, the one end of movable rod all is equipped with inclined plane one matched with inclined plane two, the equal rigid coupling of the other end has the arc to support tight board, a lateral wall of movable rod all with be connected with the spring between the fixed plate lateral wall that corresponds, inclined plane two all is towards propping the depression bar, can support the movable rod of pressure zone inclined plane two when its inclined plane moves down, make the spring compressed, and cause the arc to support tight board and all support tight brake to the gyro wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is different from the prior art, the lifting transmission mechanism is utilized to drive the toothed plate connected with the connecting rod to move downwards while the hydraulic cylinder pushes the lifting plate to move downwards, so that the toothed plate can drive the gear three to drive and match with the action of a plurality of components, so that the connecting plate can drive the blocking shield to move downwards and be attached to the ground surface, when the toothed plate is disengaged from the gear three, the blocking shield keeps unchanged state, and simultaneously can continuously move downwards through the drilling rod of the motor-driven gear two to drill the roadbed, thereby the blocking shield can block the splashed gravels during drilling, avoiding causing certain damage to the working personnel, secondly, the synchronous abutting type positioning mechanism is utilized to rotate the corresponding screw through the hand wheel and match with the action of a plurality of components, so that the four arc abutting plates can respectively abut against the outer sides of the corresponding rollers to brake, meanwhile, the four positioning rods can move downwards simultaneously and are pricked into the ground, so that the stability of the equipment during detection is effectively guaranteed, the phenomenon of displacement easily occurring during drilling is avoided, and the detection efficiency is greatly improved.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view of each component of the synchronous abutting type positioning mechanism of the present invention;

fig. 4 is a schematic structural view of each component in the lifting transmission mechanism of the present invention.

In the figure: 1. moving the base; 2. an n-shaped bracket; 21. a hydraulic cylinder; 22. a lifting plate; 3. drilling a rod; 31. a first gear; 32. a second gear; 33. a motor; 4. a through passage; 5. a bearing seat; 51. a rotating shaft; 52. a roller; 6. a synchronous abutting type positioning mechanism; 601. fixing the rod; 602. a pressing rod; 603. a first sliding sleeve; 604. positioning a rod; 605. a screw; 606. a belt pulley; 607. a transmission belt; 608. a hand wheel; 609. a fixing plate; 610. a movable rod; 611. an arc-shaped abutting plate; 612. a spring; 7. a lifting transmission mechanism; 701. a shield cover; 702. a connecting plate; 703. a second sliding sleeve; 704. erecting a rod; 705. a one-way lead screw; 706. a first bevel gear; 707. a second bevel gear; 708. a connecting shaft; 709. a third gear; 710. a toothed plate; 711. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a highway engineering roadbed compactness detection device comprises a movable base 1, wherein an n-shaped support 2 is fixed at the top end of the movable base 1, a hydraulic cylinder 21 is fixed at the top end of the n-shaped support 2, a telescopic end of the hydraulic cylinder 21 penetrates through the n-shaped support 2 and is fixedly connected with a lifting plate 22, the lifting plate 22 is slidably sleeved on the outer side of the n-shaped support 2, the bottom end of the lifting plate 22 is rotatably connected with a drilling rod 3, a first gear 31 is fixedly connected to the outer side of the drilling rod 3, one side of the first gear 31 is meshed with a second gear 32, a motor 33 is fixed to the outer side of the lifting plate 22 through a bearing plate, an output shaft of the motor 33 is connected with an installation shaft hole of the second gear 32, a rotating shaft 51 is rotatably connected around the bottom end of the movable base 1 through two bearing seats 5, rollers 52 are fixedly connected to the outer side of the rotating shaft 51, and a lifting transmission mechanism 7 is connected between the lifting plate 22 and the movable base 1; the lifting transmission mechanism 7 comprises a blocking cover 701 movably sleeved on the outer side of the drilling rod 3, a connecting plate 702 is fixedly connected on the outer side of the blocking cover 701, a sliding sleeve two 703 is fixedly connected on the other end of the connecting plate 702, the sliding sleeve two 703 is slidably sleeved on the outer side of the vertical rod 704, the vertical rod 704 is fixed on the movable base 1, a one-way lead screw 705 is connected on the connecting plate 702 in a spiral transmission manner, one end of the one-way lead screw 705 is rotatably connected on the base, a bevel gear one 706 is fixedly connected on the other end of the bevel gear one 706, a bevel gear two 707 is rotatably connected on the vertical rod 704 through a connecting shaft 708, a gear three 709 is fixedly connected on the other end of the connecting shaft 708, a toothed plate 710 is rotatably connected on one side of the gear three 709, the toothed plate 710 is fixed on the outer side of the lifting plate 22 through a connecting rod 711, a through passage 4 matched with the blocking cover 701 is arranged on the movable base 1, and the diameter of the through passage 4 is larger than the maximum diameter of the blocking cover 701, the vertical section of the connecting plate 702 is of a Z-shaped structure, the vertical section of the upright post 704 is of an inverted L-shaped structure, and the arrangement of the connecting plate 702 can drive the protective cover to move downwards or upwards.

Furthermore, the outer side of the moving base 1 is provided with a synchronous abutting type positioning mechanism 6, the synchronous abutting type positioning mechanism 6 comprises two symmetrical fixed rods 601 fixed on two side walls of the moving base 1, the vertical cross sections of the fixed rods 601 are both in a Z-shaped structure, four fixed rods 601 are provided, the outer sides of the fixed rods 601 are both connected with abutting rods 602 in a sliding manner through sliding sleeves and sliding sleeves 603, the bottom ends of the abutting rods 602 are both provided with a first inclined surface facing the movable rod 610, as can be seen in the drawing, the abutting rods 602 are both fixedly embedded with positioning rods 604, the positioning rods 604 are all connected with screw rods 605 in a spiral transmission manner, the screw rods 605 are all connected with the fixed rods 601 in a rotating manner, the top ends of the screw rods 605 are all fixedly connected with belt pulleys 606, the same transmission belt 607 is connected between the four belt pulleys 606, and an extension part of one of the screw rods 605 is fixedly connected with a hand wheel 608, the four belt pulleys 606 and the transmission belts 607 thereof act to enable the four screw rods 605 to synchronously rotate without independently twisting, so that the operation is more convenient, one side of the pressing rod 602 is provided with a fixing plate 609 fixedly connected to the bottom end of the fixing rod 601, the fixing plate 609 is movably inserted with a movable rod 610 having a vertical section in a Z-shaped structure, one end of the movable rod 610 is provided with a second inclined plane matched with the first inclined plane, the other end of the movable rod 610 is fixedly connected with an arc pressing plate 611, a spring 612 is connected between one side wall of the movable rod 610 and one side wall of the corresponding fixing plate 609, the second inclined plane faces the pressing rod 602, and when the first inclined plane moves downwards, the movable rod 610 with the second inclined plane is pressed, so that the spring 612 is compressed, and the arc pressing plate 611 performs pressing braking on the roller 52.

In the scheme, when in use, the device is pushed to a position to be detected, the corresponding screw 605 is rotated by the hand wheel 608, the transmission belt 607 is connected between the four belt pulleys 606, so that the four screw 605 rotates simultaneously, the screw 605 is in spiral transmission connection with the corresponding positioning rod 604, so that the positioning rod 604 moves downwards together with the corresponding pressing rod 602, at the moment, the inclined plane one at the bottom end of the pressing rod 602 presses the inclined plane two at one end of the movable rod 610, the four arc pressing plates 611 can respectively press the outer sides of the corresponding rollers 52 tightly, and the springs 612 are compressed, meanwhile, the four positioning rods 604 can move downwards simultaneously and are inserted into the ground, the stability of the device during detection is effectively ensured, the phenomenon of easy displacement during drilling is avoided, the detection efficiency is greatly improved, and then, by starting the motor 33, then the second gear 32 is driven by the drilling rod 3 of the first gear 31 to rotate, and the lifting plate 22 is pushed to move downwards by the hydraulic cylinder 21 after being started, the toothed plate 710 connected with the connecting rod 711 is driven to move downwards, and the toothed plate 710 transmits to the gear wheel three 709, the bevel gear II 707 connected with the connecting shaft 708 drives the one-way lead screw 705 connected with the bevel gear I706 to rotate, since the one-way screw 705 is in screw transmission connection with the connecting plate 702, the connecting plate 702 can drive the retaining shield 701 to move downwards and attach to the ground surface, when the toothed plate 710 is disengaged from the third gear 709, the retaining cover 701 keeps the state of being attached to the ground surface unchanged, and simultaneously, the drilling rod 3 driven by the gear II 32 and the gear I31 through the motor 33 can continuously move downwards and drill the road base, thereby can make fender guard shield 701 can block the rubble that splashes when driling, avoid causing certain damage to the staff.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a highway engineering road bed compactness check out test set, includes removal base (1), its characterized in that: the top of the movable base (1) is fixed with an n-shaped support (2), the top of the n-shaped support (2) is fixed with a hydraulic cylinder (21), the telescopic end of the hydraulic cylinder (21) penetrates through the n-shaped support (2) and is fixedly connected with a lifting plate (22), the lifting plate (22) is slidably sleeved on the outer side of the n-shaped support (2), the bottom of the lifting plate (22) is rotatably connected with a drilling rod (3), the outer side of the drilling rod (3) is fixedly connected with a first gear (31), one side of the first gear (31) is meshed with a second gear (32), the outer side of the lifting plate (22) is fixedly connected with a motor (33) through a bearing plate, the output shaft of the motor (33) is connected with the installation of the second gear (32) in a shaft hole, the periphery of the bottom of the movable base (1) is rotatably connected with a rotating shaft (51) through two bearing seats (5), the outer side of the rotating shaft (51) is fixedly connected with a roller (52), the outer side of the movable base (1) is provided with a synchronous abutting type positioning mechanism (6), a lifting transmission mechanism (7) is connected between the lifting plate (22) and the movable base (1);

the lifting transmission mechanism (7) comprises a baffle shield (701) movably sleeved on the outer side of the drilling rod (3), a connecting plate (702) is fixedly connected to the outer side of the baffle shield (701), a sliding sleeve II (703) is fixedly connected to the other end of the connecting plate (702), the sliding sleeve II (703) is slidably sleeved on the outer side of the vertical rod (704), the vertical rod (704) is fixed on the movable base (1), a one-way lead screw (705) is connected to the connecting plate (702) in a spiral transmission manner, one end of the one-way lead screw (705) is rotatably connected to the base, a bevel gear I (706) is fixedly connected to the other end of the one-way lead screw (705), one side of the bevel gear I (706) is in meshing connection with a bevel gear II (707), the bevel gear II (707) is rotatably connected to the vertical rod (704) through a connecting shaft (708), a gear III (709) is fixedly connected to the other end of the connecting shaft (708), a toothed plate (710) is in meshing connection with one side of the gear III (709), and the toothed plate (710) is fixed on the outer side of the lifting plate (22) through a connecting shaft (711), the movable base (1) is provided with a through channel (4) matched with the blocking shield (701) in a penetrating way.

2. The road engineering subgrade compactness detection equipment of claim 1, characterized in that: the vertical section of the connecting plate (702) is of a Z-shaped structure, and the vertical section of the upright rod (704) is of an inverted L-shaped structure.

3. The road engineering subgrade compactness detection equipment of claim 1, characterized in that: synchronous abutting type positioning mechanism (6) comprises two symmetrical fixing rods (601) which are fixed on two side walls of movable base (1), and the vertical sections of the fixing rods (601) are Z-shaped structures.

4. A road engineering subgrade compactness detecting device according to claim 3, characterized in that: the outer side of the fixed rod (601) is connected with a pressing rod (602) in a sliding mode through a first sliding sleeve (603) which is sleeved with the fixed rod in a sliding mode, and the bottom end of the pressing rod (602) is provided with a first inclined surface.

5. A highway engineering subgrade compactness check out test set according to claim 4, characterized in that: all fixedly embedding locating lever (604) on propping depression bar (602), all screw drive on locating lever (604) is connected with screw rod (605), and screw rod (605) all rotate to be connected on dead lever (601), and the equal rigid coupling in top of screw rod (605) has belt pulley (606), four the transmission is connected with same drive belt (607) between belt pulley (606), one of them the top extension rigid coupling of screw rod (605) has hand wheel (608).

6. A highway engineering subgrade compactness check out test set according to claim 4, characterized in that: one side of propping depression bar (602) all is equipped with fixed plate (609) of rigid coupling in dead lever (601) bottom, all the activity is inserted and is equipped with activity pole (610) that the vertical section is "Z" type structure on fixed plate (609), the one end of activity pole (610) all be equipped with inclined plane one matched with inclined plane two, the equal rigid coupling of the other end has the arc to support tight board (611), be connected with spring (612) between a lateral wall of activity pole (610) and corresponding fixed plate (609).