CN216449212U

CN216449212U - Civil engineering detects uses concrete sampling device

Info

Publication number: CN216449212U
Application number: CN202122564066.1U
Authority: CN
Inventors: 邓泽军; 曾祥
Original assignee: Tongren Polytechnic College
Current assignee: Tongren Polytechnic College
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-05-06
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a concrete sampling device for civil engineering detection, which comprises a shell, wherein the upper end of the shell is fixedly connected with a sleeve, a transmission shaft is rotatably connected in the sleeve through a rolling bearing, one end of the transmission shaft extends into the shell and is connected with a clamping mechanism, the upper end of the transmission shaft extends out of the sleeve and is fixedly connected with a rotary table, the side wall of the rotary table is connected with the transmission mechanism, the pipe wall of the sleeve is fixedly connected with a ratchet wheel, the lower end of the rotary table is rotatably connected with a connecting shaft through a ball bearing, the shaft wall of the connecting shaft is fixedly connected with a pawl, the pawl is meshed with the ratchet wheel, the lower end of the rotary table is fixedly connected with an elastic sheet, and the elastic sheet is contacted with one side of the pawl. The utility model can facilitate constructors to quickly take out the concrete test block for civil engineering detection, and the concrete test block is taken when being clamped.

Description

Civil engineering detects uses concrete sampling device

Technical Field

The utility model relates to the technical field of civil engineering detection, in particular to a concrete sampling device for civil engineering detection.

Background

For concrete for various civil engineering, especially concrete pavement, various mechanical properties and chloride ion permeability resistance detection are required in a laboratory for evaluating the quality of the concrete, for example, for detecting the compressive strength of a solid concrete structure, a core sample is usually drilled directly from the concrete, the quality of the concrete is evaluated through the apparent quality and the compressive strength of the core sample, in a common test method for testing the chloride ion permeability, test samples of an electric flux method, a chloride rapid migration method, a NEL method and an ACMT method are all cylindrical test blocks, concrete sampling is the first step of concrete detection in the laboratory, and the concrete sampling is usually obtained by adopting a concrete standard test block drilling machine to drill and core.

At present, the drilling machine punches the back on the road surface, and the concrete test block is cut away by the drill bit, but the test block still is in the hole on ground, and because the gap between concrete test block and the road surface is less to because the concrete test block quality is heavier, the instrument is difficult to take out to traditional clamp is got, and gets the very easy slippage of instrument when getting to the clamp, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a gap between a concrete test block and a road surface is small, a traditional clamping tool is difficult to take out due to the fact that the concrete test block is heavy in weight, the clamping tool is easy to slip off during clamping, and the use process is very inconvenient.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a civil engineering detects uses concrete sampling device, includes the casing, the upper end fixedly connected with sleeve pipe of casing, rotate through antifriction bearing in the sleeve pipe and be connected with the transmission shaft, the one end of transmission shaft extends to in the casing and is connected with to press from both sides and get the mechanism, the upper end of transmission shaft extends to the sleeve outside and fixedly connected with carousel, the lateral wall of carousel is connected with drive mechanism, fixedly connected with ratchet on the sheathed tube pipe wall, the lower extreme of carousel rotates through ball bearing and is connected with the connecting axle, fixedly connected with pawl on the axle wall of connecting axle, pawl and ratchet meshing, the lower extreme fixedly connected with flexure strip of carousel, flexure strip contacts with one side of pawl.

Preferably, the clamping mechanism comprises a gear ring, the gear ring is fixedly connected with the shaft wall of the transmission shaft, a plurality of uniformly distributed gears are meshed with the side wall of the gear ring, a plurality of rotating shafts are fixedly connected with the centers of the gears and rotate with the inner side of the shell through ball bearings, an inverted L-shaped rod is fixedly connected with one side of each gear, and a plurality of strip-shaped protrusions are arranged on the rod wall of the vertical part of each L-shaped rod.

Preferably, drive mechanism includes the transfer line, the one end fixedly connected with axle sleeve of transfer line, the axle sleeve rotates through sealed bearing and the axle wall of transmission shaft to be connected, the sliding sleeve has been cup jointed on the pole wall of transfer line, one side fixedly connected with fixture block of sliding sleeve, and one side of fixture block has seted up the inclined plane, a plurality of draw-in grooves have been seted up to the edge of carousel, one of them draw-in groove and fixture block joint, one side fixedly connected with tension spring of sliding sleeve, tension spring keeps away from the one end of sliding sleeve and one side fixed connection of axle sleeve.

Preferably, a strip-shaped groove is formed in the rod wall of the transmission rod, a limiting slide block is connected in the strip-shaped groove in a sliding mode, and the limiting slide block is fixedly connected with one side of the sliding sleeve.

Preferably, the tube wall of the sleeve is fixedly connected with the two brake levers which are symmetrically distributed afterwards, the tube wall of the sleeve is fixedly connected with a cross rod, and the shaft wall of the connecting shaft is fixedly connected with a brake plate.

Compared with the prior art, the utility model provides a concrete sampling device for civil engineering detection, which has the following beneficial effects:

1. this civil engineering detects uses concrete sampling device, through the L shape pole that is equipped with, insert the L shape pole in the gap between concrete piece and the road surface, constructor holds the horizontal pole with one hand, another hand pulling transfer line makes the axle sleeve swing around the transmission shaft, drive the sliding sleeve when the transmission line swings and make the fixture block do circular motion, it makes the carousel rotatory to cooperate with the draw-in groove during the fixture block motion, it makes the ring gear rotatory to drive the transmission shaft when the carousel is rotatory, it makes the L shape pole swing to drive the gear when the ring gear is rotatory, can press from both sides tight concrete piece in the gap when the L shape pole swings, and set up pawl and the ratchet joint below the carousel after pressing from both sides tightly, and then make the unable gyration of carousel, thereby can make sampling device press from both sides tight concrete piece, make things convenient for constructor pulling brake lever messenger sampling device to pull up the concrete piece.

2. This civil engineering detects uses concrete sampling device, fixture block through being equipped with, when reverse pulling transfer line, inclined plane and the draw-in groove contact that sets up on the fixture block, the inclined plane receives a reverse thrust this moment, thrust drives the fixture block and makes the sliding sleeve remove, pulling tension spring warp when the sliding sleeve removes, and then when reverse usefulness is in, the transfer line can reset fast, make things convenient for constructor to rotate the carousel fast, make the clamp to get the mechanism and grasp the concrete piece, when taking out, promote the braking plate with the hand and make the connecting axle rotate, drive pawl and ratchet separation when the connecting axle rotates, and then remove the positioning action of pawl to the carousel, make the clamp to get the mechanism and can release the centre gripping to the concrete piece fast, make things convenient for the constructor to use.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device can be convenient for constructors to quickly take out the concrete test block for civil engineering detection, and the sampling device is not easy to separate from the concrete test block when the sampling device is clamped, so that the use by the constructors is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a concrete sampling device for civil engineering inspection according to the present invention;

FIG. 2 is a schematic structural view of a clamping mechanism in a concrete sampling device for civil engineering inspection according to the present invention;

fig. 3 is a schematic structural diagram of a transmission mechanism in the concrete sampling device for civil engineering detection provided by the utility model.

In the figure: 1. a housing; 2. an L-shaped rod; 3. a gear; 4. a sleeve; 5. a brake lever; 6. a cross bar; 7. a transmission rod; 8. a turntable; 9. a shaft sleeve; 10. a sliding sleeve; 11. a strip-shaped bulge; 12. A ring gear; 13. a drive shaft; 14. a tension spring; 15. a brake plate; 16. a connecting shaft; 17. A pawl; 18. a clamping block; 19. a limiting slide block; 20. a ratchet wheel; 21. an elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a concrete sampling device for civil engineering detection, comprising a housing 1, a sleeve 4 fixedly connected to the upper end of the housing 1, a transmission shaft 13 rotatably connected to the interior of the sleeve 4 through a rolling bearing, one end of the transmission shaft 13 extending into the housing 1 and connected to a clamping mechanism, the clamping mechanism comprising a gear ring 12, the gear ring 12 fixedly connected to the shaft wall of the transmission shaft 13, a plurality of uniformly distributed gears 3 engaged with the side wall of the gear ring 12, a plurality of rotating shafts fixedly connected to the centers of the gears 3, the rotating shafts rotatably connected to the inner side of the housing 1 through ball bearings, an inverted L-shaped rod 2 fixedly connected to one side of the gears 3, a plurality of bar-shaped protrusions 11 provided on the vertical portion rod wall of the L-shaped rod 2, a rotary disk 8 fixedly connected to the exterior of the sleeve 4 at the upper end of the transmission shaft 13, a transmission mechanism connected to the side wall of the rotary disk 8, a ratchet 20 fixedly connected to the wall of the sleeve 4, the lower end of the rotary table 8 is rotatably connected with a connecting shaft 16 through a ball bearing, a pawl 17 is fixedly connected to the shaft wall of the connecting shaft 16, the pawl 17 is meshed with a ratchet wheel 20, an elastic sheet 21 is fixedly connected to the lower end of the rotary table 8, the elastic sheet 21 is in contact with one side of the pawl 17, two brake levers 5 which are symmetrically distributed are fixedly connected to the wall of the sleeve 4, a cross rod 6 is fixedly connected to the wall of the sleeve 4, and a brake plate 15 is fixedly connected to the shaft wall of the connecting shaft 16.

Drive mechanism includes transfer line 7, the one end fixedly connected with axle sleeve 9 of transfer line 7, axle sleeve 9 rotates through sealed bearing and the axle wall of transmission shaft 13 to be connected, sliding sleeve 10 has been cup jointed on the pole wall of transfer line 7, one side fixedly connected with fixture block 18 of sliding sleeve 10, and the inclined plane has been seted up to one side of fixture block 18, a plurality of draw-in grooves have been seted up to the edge of carousel 8, one of them draw-in groove and fixture block 18 joint, one side fixedly connected with tension spring 14 of sliding sleeve 10, one side fixed connection of one end that tension spring 14 kept away from sliding sleeve 10 and axle sleeve 9, the bar groove has been seted up on the pole wall of transfer line 7, sliding connection has limit slider 19 in the bar groove, one side fixed connection of limit slider 19 and sliding sleeve 10.

When the utility model is used, the L-shaped rod 2 is inserted into a gap between a concrete block and a road surface, a constructor tightly holds the cross rod 6 with one hand, pulls the transmission rod 7 with the other hand to enable the shaft sleeve 9 to swing around the transmission shaft 13, the transmission rod 7 drives the sliding sleeve 9 to enable the fixture block 18 to do circular motion when swinging, the fixture block 18 is matched with the clamping groove to enable the turntable 8 to rotate when moving, the transmission shaft 13 is driven to enable the gear ring 12 to rotate when the turntable 8 rotates, the gear 3 is driven to enable the L-shaped rod 2 to swing when the gear ring 12 rotates, the concrete block can be clamped in the gap when swinging the L-shaped rod 2, and the pawl 17 arranged below the turntable 8 after clamping is clamped with the ratchet wheel 20, so that the turntable 8 can not rotate, thereby enabling the sampling device to clamp the concrete block, the constructor conveniently pulls the brake rod 5 to enable the sampling device to pull up the concrete block, and when the transmission rod 7 is pulled reversely, the inclined plane arranged on the fixture block 18 is contacted with the clamping groove, at this moment, the inclined plane receives a reverse thrust, the thrust drives the fixture block 18 to make the sliding sleeve 10 move, the sliding sleeve 10 pulls the tension spring 14 to deform when moving, and then when reverse lining, the transmission rod 7 can reset fast, make things convenient for constructor to rotate the carousel 8 fast, make the clamp to get the mechanism and grasp the concrete block, when taking out, push the brake plate 15 with the hand and make the connecting axle 16 rotate, drive the separation of pawl 17 and ratchet 20 when the connecting axle 16 rotates, and then relieve the positioning action of pawl 17 to carousel 8, make the clamp to get the mechanism and can relieve the centre gripping to the concrete block fast, make things convenient for the constructor to use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The concrete sampling device for civil engineering detection comprises a shell (1) and is characterized in that a sleeve (4) is fixedly connected to the upper end of the shell (1), a transmission shaft (13) is rotatably connected into the sleeve (4) through a rolling bearing, one end of the transmission shaft (13) extends into the shell (1) and is connected with a clamping mechanism, the upper end of the transmission shaft (13) extends out of the sleeve (4) and is fixedly connected with a turntable (8), the side wall of the turntable (8) is connected with the transmission mechanism, a ratchet wheel (20) is fixedly connected onto the pipe wall of the sleeve (4), the lower end of the turntable (8) is rotatably connected with a connecting shaft (16) through a ball bearing, a pawl (17) is fixedly connected onto the shaft wall of the connecting shaft (16), the pawl (17) is meshed with the ratchet wheel (20), and an elastic sheet (21) is fixedly connected onto the lower end of the turntable (8), the elastic piece (21) is in contact with one side of the pawl (17).

2. The civil engineering concrete sampling device for detection according to claim 1, wherein the clamping mechanism comprises a gear ring (12), the gear ring (12) is fixedly connected with the shaft wall of a transmission shaft (13), a plurality of uniformly distributed gears (3) are meshed with the side wall of the gear ring (12), a rotating shaft is fixedly connected at the center of each of the gears (3), the rotating shaft is rotatably connected with the inner side of the shell (1) through a ball bearing, an inverted L-shaped rod (2) is fixedly connected at one side of each of the gears (3), and a plurality of strip-shaped protrusions (11) are arranged on the rod wall of the vertical part of the L-shaped rod (2).

3. The civil engineering concrete sampling device for detection according to claim 1, wherein the transmission mechanism comprises a transmission rod (7), one end of the transmission rod (7) is fixedly connected with a shaft sleeve (9), the shaft sleeve (9) is rotatably connected with the shaft wall of the transmission shaft (13) through a sealed bearing, a sliding sleeve (10) is sleeved on the shaft wall of the transmission rod (7), a clamping block (18) is fixedly connected to one side of the sliding sleeve (10), an inclined plane is formed on one side of the clamping block (18), a plurality of clamping grooves are formed in the edge of the rotary table (8), one clamping groove is clamped with the clamping block (18), a tension spring (14) is fixedly connected to one side of the sliding sleeve (10), and one end, far away from the sliding sleeve (10), of the tension spring (14) is fixedly connected with one side of the shaft sleeve (9).

4. The civil engineering concrete sampling device for detection according to claim 3, wherein a strip-shaped groove is formed in the rod wall of the transmission rod (7), a limiting slide block (19) is connected in the strip-shaped groove in a sliding manner, and the limiting slide block (19) is fixedly connected with one side of the sliding sleeve (10).

5. The concrete sampling device for civil engineering detection according to claim 1, wherein the pipe wall of the sleeve (4) is fixedly connected with the two brake levers (5) which are symmetrically distributed later, the pipe wall of the sleeve (4) is fixedly connected with the cross rod (6), and the shaft wall of the connecting shaft (16) is fixedly connected with the brake plate (15).