CN219038424U

CN219038424U - Road engineering detects uses sampler

Info

Publication number: CN219038424U
Application number: CN202222279607.0U
Authority: CN
Inventors: 张继; 冒宏伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-05-16
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a sampler for road engineering detection, which relates to the technical field of road detection equipment and comprises a core drilling machine body and a drill bit arranged below the core drilling machine body, wherein the output end of the core drilling machine body is used for installing the drill bit, and the peripheral surface of the drill bit is provided with a supporting mechanism; the supporting mechanism comprises a supporting plate, a through hole is formed in the supporting plate, the through hole is fixedly connected to the outer peripheral surface of one end, close to the output end of the core drilling machine body, of the drill bit through a bearing, and a transmission assembly is arranged on the lower surface of the supporting plate; the hole coring machine body rotates and drives the drill bit to rotate and simultaneously drives the driving gear to rotate, the driven gear and the screw rod are driven to rotate through gear engagement transmission, the screw rod moves in the fixed sleeve and drives the hole coring machine body to move downwards when rotating, and meanwhile, the hole coring machine body can be supported, so that the hand fatigue caused by machine vibration and long-term holding of the machine is relieved.

Description

Road engineering detects uses sampler

Technical Field

The utility model relates to the technical field of road detection equipment, in particular to a sampler for road engineering detection.

Background

After the road construction is finished, the core operation is needed to be carried out on the road, and the extracted core sample is measured so as to judge whether the composition and the thickness of each structural layer of the road accord with the specifications or not, for example, the thicknesses of a concrete layer and an asphalt layer are detected.

According to the search findings, chinese patent No. CN202220085286.8 discloses a road engineering detection sampler, which comprises a core drilling machine, a drill bit fixed at the bottom of the core drilling machine and a drill bit fixing frame. The road engineering detection sampler is characterized in that a drill bit fixing frame is arranged in a designated area of a road to be sampled, and a drill bit of a drilling core extractor is movably arranged at the center of the drill bit fixing frame; the adjusting rod and the limiting unit are movably arranged in the adjusting cylinder of the bottom of the drill bit fixing frame, and the limiting unit can be pushed to limit the drill bit by rotating the adjusting rod, so that the drill bit can only move up and down and cannot move horizontally, and the drill bit can perform drilling and coring operations on fixed points. This road engineering detects uses sampler convenient to carry, and the drill bit can keep good stability when drilling the fixed point on the road, has improved the efficiency of drilling coring operation.

With respect to the above-mentioned technique, the inventors believe that the device restricts the movement of the drill bit in the horizontal direction by the restriction unit, so that the core drilling machine remains stable in the preliminary stage of drilling, but when the core drilling machine is manually held by hand, the increase in the number of holes to be drilled and the vibration generated by the operation of the core drilling machine easily cause fatigue of hands of the staff to affect the progress of the work.

In view of the above problems, the present utility model provides a sampler for road engineering detection.

Disclosure of Invention

The utility model aims to provide a sampler for road engineering detection, which is characterized in that a core drilling machine body rotates and drives a drill bit to rotate and simultaneously drives a driving gear to rotate, a driven gear and a screw rod are driven to rotate through gear engagement transmission, the screw rod moves in a fixed sleeve and drives the core drilling machine body to move downwards while rotating, and meanwhile, the core drilling machine body can be supported, so that hand fatigue caused by machine vibration and long-term holding of the machine is relieved, and the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sampler for road engineering detection comprises a core drilling machine body and a drill bit arranged below the core drilling machine body, wherein the output end of the core drilling machine body is used for installing the drill bit, and the peripheral surface of the drill bit is provided with a supporting mechanism;

the supporting mechanism comprises a supporting plate, a through hole is formed in the supporting plate, the through hole is fixedly connected to the outer peripheral surface of one end, close to the output end of the core drilling machine body, of the drill bit through a bearing, and a transmission assembly is arranged on the lower surface of the supporting plate;

the transmission assembly comprises a rotatable screw rod, the outer peripheral surface of the screw rod is in threaded connection with a fixed sleeve, and the screw rod can linearly reciprocate along the axis of the fixed sleeve.

Further, the transmission assembly further comprises a driving gear connected to the outer peripheral surface of the drill bit below the bearing through a key, the driving gear is connected with a plurality of transmission gears uniformly distributed at equal intervals, the transmission gears are connected to the outer peripheral surface of one end of the fixing rod in a key mode, the other end of the fixing rod is connected to the lower surface of the supporting plate through a bearing in a rotating mode, the transmission gears are connected with driven gears in a transmission mode, the driven gears are connected to the outer peripheral surface of one end of the connecting rod in a key mode, the other end of the connecting rod is connected to the lower surface of the supporting plate through the bearing in a rotating mode, and one end of the connecting rod penetrates through the driven gears to be fixedly connected to one end, far away from the fixing sleeve, of the screw rod.

Further, the supporting mechanism further comprises a fixing assembly, the fixing assembly comprises a fixing ring fixedly connected to one end, far away from the screw rod, of the fixing sleeve, and the two sides of the fixing ring are provided with the fixing assembly.

Further, the fixed subassembly still includes the footboard of fixed connection in solid fixed ring both sides, and the through-hole has been seted up to both sides footboard one side of keeping away from each other, and through-hole outer peripheral fixedly connected with supports a section of thick bamboo, is equipped with the internal thread in the support section of thick bamboo, supports a section of thick bamboo and has the screw rod through threaded connection, and the screw rod can follow the reciprocal rectilinear motion of support section of thick bamboo axis, screw rod one end fixedly connected with handle, screw rod other end fixedly connected with spike.

Further, the lower surface of the pedal is also provided with anti-slip teeth.

Further, the two sides of the supporting mechanism are symmetrically arranged.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the sampler for road engineering detection, the drill bit is driven to rotate while the drill bit is driven to rotate, the driven gear and the screw rod are driven to rotate through gear engagement transmission, the screw rod is driven to move in the fixed sleeve while rotating, the drill bit is driven to move downwards, meanwhile, the drill bit can be supported, and hand fatigue caused by machine vibration and long-term holding of the machine is relieved.

2. According to the sampler for road engineering detection, the fixing ring and pedals on two sides of the fixing ring can achieve a positioning effect, when a human body steps on the pedals, the dead weight of the human body limits the fixing ring to move, at the moment, the drill bit is started to drill, the position of the drill bit is limited to be difficult to move in the horizontal direction, and the drill bit is prevented from moving in the preliminary stage of drilling.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of a transmission assembly according to the present utility model;

FIG. 3 is a cross-sectional view of the overall structure of the present utility model;

fig. 4 is a bottom view of the overall structure of the present utility model.

In the figure: 1. a core drilling machine body; 2. a drill bit; 3. a support mechanism; 31. a support plate; 32. a transmission assembly; 321. a drive gear; 322. a transmission gear; 323. a fixed rod; 324. a driven gear; 325. a connecting rod; 326. a screw rod; 327. a fixed sleeve; 33. a fixing assembly; 331. a fixing ring; 332. a pedal; 333. a support cylinder; 334. a screw; 335. a handle; 34. anti-slip teeth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the technical problem that the hand-held core drilling machine body 1 is easy to fatigue, as shown in fig. 1 to 4, the following preferable technical scheme is provided:

the sampler for road engineering detection comprises a core drilling machine body 1 and a drill bit 2 arranged below the core drilling machine body 1, wherein the output end of the core drilling machine body 1 is used for installing the drill bit 2, and the peripheral surface of the drill bit 2 is provided with a supporting mechanism 3;

the supporting mechanism 3 comprises a supporting plate 31, a through hole is formed in the supporting plate 31, the through hole is fixedly connected to the outer peripheral surface of one end, close to the output end of the core drilling machine body 1, of the drill bit 2 through a bearing, and a transmission assembly 32 is arranged on the lower surface of the supporting plate 31;

the transmission assembly 32 comprises a rotatable screw rod 326, a fixed sleeve 327 is connected to the outer peripheral surface of the screw rod 326 in a threaded manner, and the screw rod 326 can linearly reciprocate along the axis of the fixed sleeve 327. Specifically, when the device is used, the drill bit 2 and the supporting mechanism 3 on the drill bit 2 are connected with the core drilling machine body 1, the fixing ring 331 is arranged at the selected punching position to prevent the selected hole position peripheral surface from trampling the pedal 332, the core drilling machine body 1 is started, the output end of the core drilling machine body 1 rotates to drive the drill bit 2 and the driving gear 321 on the supporting mechanism 3 to rotate, the driving gear 321 rotates to drive the driving gear 322 to rotate, the driving gear 322 rotates to drive the driven gear 324 to rotate, the driven gear 324 rotates to drive the lead screw 326 to rotate, the lead screw 326 moves into the fixing sleeve 327 through threads and rotates, the positions of the core drilling machine body 1 and the supporting plate 31 are driven by the fixing ring to move downwards, and the hollow inside the drill bit 2 can sample a road.

Further, as shown in fig. 2, the following preferred technical scheme is provided:

the transmission assembly 32 further comprises a driving gear 321 which is connected to the outer peripheral surface of the drill bit 2 below the bearing through a key, the driving gear 321 is in transmission connection with a plurality of transmission gears 322 which are uniformly distributed at equal intervals, the transmission gears 322 are in key connection with the outer peripheral surface of one end of a fixed rod 323, the other end of the fixed rod 323 is in rotational connection with the lower surface of the supporting plate 31 through the bearing, the transmission gears 322 are in transmission connection with a driven gear 324, the driven gear 324 is in key connection with the outer peripheral surface of one end of a connecting rod 325, the other end of the connecting rod 325 is in rotational connection with the lower surface of the supporting plate 31 through the bearing, and one end of the connecting rod 325 penetrates through the driven gear 324 and is fixedly connected with one end of the lead screw 326 far away from the fixed sleeve 327. Specifically, the driving gear 321 rotates and drives the transmission gear 322 to rotate, the transmission gear 322 rotates and drives the driven gear 324 to rotate, the driven gear 324 rotates and drives the lead screw 326 to rotate, and the lead screw 326 moves into the fixed sleeve 327 through threads and rotates.

Further, as shown in fig. 3, the following preferred technical scheme is provided:

the supporting mechanism 3 further comprises a fixing component 33, the fixing component 33 comprises a fixing ring 331 fixedly connected to one end, far away from the screw rod 326, of the fixing sleeve 327, and the fixing component 33 is arranged on two sides of the fixing ring 331. Specifically, the fixed ring 331 supports the driving assembly 32, and has a limiting effect on the drill bit 2.

the fixing assembly 33 further comprises pedals 332 fixedly connected to two sides of the fixing ring 331, through holes are formed in the pedals 332 on two sides away from each other, the outer peripheral surface of each through hole is fixedly connected with a supporting cylinder 333, internal threads are arranged in the supporting cylinders 333, the supporting cylinders 333 are connected with screw rods 334 through threads, the screw rods 334 can reciprocate linearly along the axis of the supporting cylinders 333, one end of each screw rod 334 is fixedly connected with a handle 335, and the other end of each screw rod 334 is fixedly connected with a spike. Specifically, when the handle 335 is turned while facing a softer ground, the handle 335 is rotated to drive the screw 334 to rotate, the screw 334 moves along the axis of the support cylinder 333, and the screw 334 is driven to penetrate the ground by the spike to enhance the fixing effect.

Further, as shown in fig. 4, the following preferred technical scheme is provided:

the lower surface of the pedal 332 is also provided with anti-slip teeth 34. Specifically, the anti-slip teeth 34 prevent the pedal 332 from being carried by the core drill body 1 on a smooth hard road surface.

Further, as shown in fig. 1, the following preferred technical scheme is provided:

the two sides of the supporting mechanism 3 are symmetrically arranged. In particular, the bilateral symmetry atress is more even and pleasing to the eye.

To sum up: the drill bit 2 and the supporting mechanism 3 on the drill bit 2 are connected with the core drilling machine body 1, the fixing ring 331 is arranged at the selected punching position to prevent the selected hole position from being on the outer peripheral surface and trample the pedal 332, the core drilling machine body 1 is started, the output end of the core drilling machine body 1 rotates to drive the drill bit 2 and the driving gear 321 on the supporting mechanism 3 to rotate, the driving gear 321 rotates to drive the transmission gear 322 to rotate, the transmission gear 322 rotates to drive the driven gear 324 to rotate, the driven gear 324 rotates to drive the lead screw 326 to rotate, the lead screw 326 moves into the fixing sleeve 327 through threads and rotates, the positions of the core drilling machine body 1 and the supporting plate 31 are driven to move downwards, and the hollow inside the drill bit 2 can sample a road.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a road engineering detects uses sampler, includes drill bit (2) of core machine body (1) and core machine body (1) below installation of drilling, its characterized in that: the output end of the core drilling machine body (1) is used for installing a drill bit (2), and a supporting mechanism (3) is arranged on the peripheral surface of the drill bit (2);

the supporting mechanism (3) comprises a supporting plate (31), a through hole is formed in the supporting plate (31), the through hole is fixedly connected to the outer peripheral surface of one end, close to the output end of the core drilling machine body (1), of the drill bit (2) through a bearing, and a transmission assembly (32) is arranged on the lower surface of the supporting plate (31);

the transmission assembly (32) comprises a rotatable screw rod (326), the outer peripheral surface of the screw rod (326) is in threaded connection with a fixed sleeve (327), and the screw rod (326) can linearly reciprocate along the axis of the fixed sleeve (327).

2. The road engineering detection sampler according to claim 1, wherein: the transmission assembly (32) further comprises a driving gear (321) which is connected to the outer peripheral surface of the drill bit (2) below the bearing through a key, the driving gear (321) is in transmission connection with a plurality of transmission gears (322) which are uniformly distributed at equal intervals, the transmission gears (322) are connected to the outer peripheral surface of one end of a fixed rod (323) through keys, the other end of the fixed rod (323) is connected to the lower surface of the supporting plate (31) through a bearing in a rotating mode, the transmission gears (322) are connected with a driven gear (324) in transmission mode, the driven gear (324) is connected to the outer peripheral surface of one end of the connecting rod (325) through a bearing in a rotating mode, one end of the connecting rod (325) penetrates through the driven gear (324) and is fixedly connected to one end, far away from the fixed sleeve (327), of the lead screw (326).

3. The road engineering detection sampler according to claim 2, wherein: the supporting mechanism (3) further comprises a fixing assembly (33), the fixing assembly (33) comprises a fixing ring (331) fixedly connected to one end, far away from the screw rod (326), of the fixing sleeve (327), and the fixing assembly (33) is arranged on two sides of the fixing ring (331).

4. A sampler for road engineering detection according to claim 3 wherein: the fixed subassembly (33) still includes footboard (332) of fixed ring (331) both sides, and through-hole has been seted up to both sides footboard (332) one side of keeping away from each other, and through-hole outer peripheral face fixedly connected with support section of thick bamboo (333), be equipped with the internal thread in support section of thick bamboo (333), support section of thick bamboo (333) are through threaded connection screw rod (334), screw rod (334) can follow the reciprocal rectilinear motion of support section of thick bamboo (333) axis, screw rod (334) one end fixedly connected with handle (335), screw rod (334) other end fixedly connected with spike.

5. The road engineering detection sampler according to claim 4, wherein: the lower surface of the pedal (332) is also provided with anti-slip teeth (34).

6. The road engineering detection sampler according to claim 5, wherein: the two sides of the supporting mechanism (3) are symmetrically arranged.