CN213956849U

CN213956849U - Engineering is sampling system for supervision

Info

Publication number: CN213956849U
Application number: CN202023173687.9U
Authority: CN
Inventors: 王文娜; 安国樑; 黄勇智; 胡文宵
Original assignee: Sichuan Jingzheng Construction Management Consulting Co Ltd
Current assignee: Sichuan Jingzheng Construction Management Consulting Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-13
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to a sampling system for engineering supervision belongs to the equipment field of supervising, including the cement sampler, the cement sampler includes hollow sleeve, telescopic one end is sealed, and other end opening sets up, be provided with hollow sampling tube along telescopic length direction activity in the sleeve, the outer wall and the laminating of telescopic inner wall of sampling tube, first through-hole has been seted up to telescopic one end, the second through-hole has been seted up on the sampling tube, second through-hole and first through-hole intercommunication, this application has the effect that improves the sample quality.

Description

Engineering is sampling system for supervision

Technical Field

The application relates to the field of supervision equipment, in particular to a sampling system for engineering supervision.

Background

In engineering construction, cement sampling is an important supervision work, relevant standards specify that the cement with agreed numbers must be collected and sampled for more than 20 times at different positions, and a cement sampling system is more and more widely applied along with the gradual development of building engineering.

Chinese patent with an authorization publication number of CN207717411U discloses an engineering supervision sampling system, which comprises a cement detection module, a gravel detection module, a concrete detection module and a detection terminal, wherein when cement is sampled, the cement is sampled through the cement detection module, and then the sampled cement is detected through the detection terminal.

However, in view of the above-mentioned related art, the applicant believes that there is a defect that when sampling cement, since the sample chamber is in an open state, cement on the upper layer of the cement bag at a non-sampling point falls into the sample chamber and mixes with a cement sample at the sampling point during the downward movement to the sampling point, thereby affecting the sampling quality.

SUMMERY OF THE UTILITY MODEL

In order to improve the sampling quality, the application provides a sampling system for engineering supervision.

The application provides a sampling system for engineering supervision adopts following technical scheme:

the utility model provides an engineering is monitored and is used sampling system, includes the cement sampler, the cement sampler includes hollow sleeve, telescopic one end is sealed, and other end opening sets up, be provided with hollow sampling tube along telescopic length direction activity in the sleeve, the outer wall and the telescopic inner wall laminating of sampling tube, first through-hole has been seted up to telescopic one end, the second through-hole has been seted up on the sampling tube, second through-hole and first through-hole intercommunication.

Through adopting above-mentioned technical scheme, when carrying out the cement sample, before inserting the sleeve into the cement bag, at first rotate the sampling tube, make first through-hole and second through-hole dislocation, so that the outer wall of sampling tube carries out the shutoff to first through-hole, then insert the sleeve into the cement bag, after reaching the sampling depth, rotate the sampling tube, make first through-hole and second through-hole intercommunication, along with the rotation of sampling tube, hang the cement sample of sampling point into in the sampling tube, along with the continuation rotation of sampling tube, the inner wall of sampling tube carries out the shutoff to first through-hole, can drive the sleeve afterwards and keep away from the cement bag, accomplish the sample of cement promptly, in the in-process of sample, can avoid in the cement entering sampling tube of non-sampling point effectively, the sampling quality has been improved effectively.

Optionally, the holding tank has been seted up on the outer wall that the sampler barrel is close to second through-hole one end, the holding tank is seted up along the circumference of sampler barrel, the holding tank internal rotation is provided with the lug, the pivot of lug is on a parallel with the generating line of sampler barrel, be provided with first elastic component in the holding tank, first elastic component is used for ordering about the lug and deflects towards the direction of keeping away from the holding tank, be provided with anticreep portion on sampler barrel and the lug, anticreep portion is used for preventing the lug from breaking away from the holding tank.

Through adopting above-mentioned technical scheme, drive the sampler barrel and rotate when taking a sample, drive the lug orientation along with the rotation of sampler barrel and deflect near the direction of first through-hole, the lug deflects towards the direction of keeping away from the holding tank under the drive of first elastic component, along with the rotation of sampler barrel, the cement butt in lug and the cement bag is along with the motion of lug, becomes flexible to cement, makes the sample become easier.

Optionally, a strip-shaped groove is formed in the hole wall of the first through hole, the strip-shaped groove is formed along the circumferential direction of the sleeve, and the strip-shaped groove is used for allowing the protruding block to be inserted.

Through adopting above-mentioned technical scheme, along with the rotation of sampler barrel, drive the lug motion, the lug finally inserts the bar inslot to contradict with the inner wall in bar groove, the position of lug is injectd this moment, thereby has injectd the position of sampler barrel, makes the staff know first through-hole under the condition of the kinematic location of can't see the sampler barrel and has been already by the inner wall shutoff of sampler barrel, can take out the sleeve from the cement bag this moment, has practiced thrift the time, has improved work efficiency.

Optionally, a sealing element is arranged in the strip-shaped groove, and the sealing element is used for sealing a gap between the inner wall of the strip-shaped groove and the bump.

Through adopting above-mentioned technical scheme, at the in-process of taking out the sleeve from the cement bag, the lug is located the bar inslot to seal the clearance between lug and the bar inslot wall through the sealing member, can avoid the cement of non-sampling point to get into the sampling tube in the cement bag effectively, further improved the quality of cement sample.

Optionally, the protrusion is provided with a ball in rolling contact with the inner wall of the sleeve.

Through adopting above-mentioned technical scheme, at the in-process of rotating the sampling tube, the ball becomes rolling friction with the slip sliding friction between lug and the sleeve, has reduced coefficient of friction, has reduced frictional force to reduce the friction loss between lug and the sleeve inner wall, improved the life of device.

Optionally, the sampling tube is detachably connected with the sleeve, a limiting part is arranged on the sleeve, and the limiting part is used for limiting the position of the sampling tube on the sleeve.

Through adopting above-mentioned technical scheme, accomplish the sample and take out the sleeve from the cement bag after, at first contact locating part is to the restriction of sampler barrel position on the sleeve, then takes off the sampler barrel from the sleeve, has made things convenient for the staff to collect the inside cement sample of sampler barrel.

Optionally, the limiting member includes a limiting pin, an opening of the sleeve is rotatably provided with a mounting ring along a length direction of the sleeve, a sliding groove is formed in an inner wall of the mounting ring along a bus of the mounting ring, a sliding block is fixedly arranged on the sampling tube, and the sliding block is connected with the sliding groove in a sliding manner; the mounting hole that communicates with the spout is seted up on the outer wall of collar, the spacer pin is worn to locate in the mounting hole and is used for being connected with the slider plug-in connection, be provided with the second elastic component on the collar, the second elastic component is used for ordering about the spacer pin and moves towards the spout internal motion.

Through adopting above-mentioned technical scheme, when needs take off the sampler barrel from the sleeve, at first drive the spacer pin towards the direction motion of keeping away from the spout, be spacer pin and slider break away from the contact, drive the sampler barrel towards the direction motion of keeping away from the sleeve afterwards, can take off the sampler barrel from the sleeve, process operation is convenient, simple structure, easily maintenance and change have improved the practicality of device effectively.

Optionally, a pointed end is arranged at one end of the sleeve far away from the mounting ring, and one end of the sleeve close to the pointed end is arranged on the sawtooth.

Through adopting above-mentioned technical scheme, the sawtooth on the sleeve is more sharp, is favorable to becoming flexible to cement, has improved the not hard up efficiency of cement, has further made things convenient for the sample to cement.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the sampling process, cement at non-sampling points can be effectively prevented from entering the sampling cylinder, and the sampling quality is effectively improved;

2. along with the rotation of the sampling cylinder, the lug is abutted against the cement in the cement bag, and along with the movement of the lug, the cement is loosened, so that the sampling becomes easier;

3. the limiting part is relieved to limit the position of the sampling tube, the sampling tube can be taken down from the sleeve, the process operation is convenient, the structure is simple, the maintenance and the replacement are easy, and the practicability of the device is effectively improved.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic illustration of an explosive structure according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a sampling tube of an embodiment of the present application;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a cross-sectional view of a sleeve according to an embodiment of the present application;

fig. 6 is an exploded view of a stopper according to an embodiment of the present disclosure.

Description of reference numerals: 1. a sleeve; 11. a first through hole; 12. a tip; 13. saw teeth; 14. a mounting ring; 2. a sampling tube; 21. a second through hole; 3. accommodating grooves; 31. a bump; 32. hinging a shaft; 33. a first elastic member; 34. a ball bearing; 4. an anti-drop part; 41. surrounding edges; 42. a stopper; 5. a strip-shaped groove; 51. a seal member; 6. a limiting member; 7. a chute; 71. a slider; 72. mounting holes; 73. a limiting hole; 74. a circular truncated cone; 75. a second elastic member.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a sampling system for engineering supervision.

Referring to fig. 1, a sampling system for engineering supervision comprises a cement sampler, wherein the cement sampler comprises a hollow sleeve 1, one end of the sleeve 1 is closed, and the other end of the sleeve 1 is opened. A hollow sampling tube 2 is movably arranged in the sleeve 1 along the length direction of the sleeve 1, and the foreign currency of the sampling tube 2 is attached to the inner wall of the sleeve 1.

Referring to fig. 1 and 2, a first through hole 11 is formed in one end of the sleeve 1, the first through hole 11 penetrates through the cylindrical wall of the sleeve 1, a second through hole 21 is formed in the sampling cylinder 2, the second through hole 21 penetrates through the cylindrical wall of the sampling cylinder 2, the second through hole 21 is matched with the first through hole 11 in shape and size, and the second through hole 21 is communicated with the first through hole 11.

Referring to fig. 3 and 4, holding tank 3 has been seted up on the outer wall that sampler barrel 2 is close to second through-hole 21 one end, and holding tank 3 is seted up along the circumference of sampler barrel 2, installs lug 31 in holding tank 3, installs articulated shaft 32 along the length direction of sampler barrel 2 in holding tank 3, the both ends of articulated shaft 32 and holding tank 3's lateral wall fixed connection, and lug 31 rotates and installs on articulated shaft 32.

Referring to fig. 4, a first elastic member 33 is disposed in the accommodating groove 3, the first elastic member 33 is used for driving the projection 31 to deflect towards a direction away from the accommodating groove 3, the first elastic member 33 is a pressure spring, one end of the pressure spring is welded to the projection 31, and the other end of the pressure spring is welded to the inner wall of the accommodating groove 3.

Drive sampler barrel 2 and rotate when carrying out the sample, drive lug 31 orientation along with the rotation of sampler barrel 2 and deflect near the direction of first through-hole 11, lug 31 deflects towards the direction of keeping away from holding tank 3 under the drive of pressure spring, and along with the rotation of sampler barrel 2, lug 31 and the cement butt in the cement bag, along with lug 31's motion, become flexible to cement, make the sample become easier.

In addition, referring to fig. 4, anti-separation portions 4 are disposed on the sampling tube 2 and the bump 31, the anti-separation portions 4 are used for preventing the bump 31 from separating from the accommodating groove 3, each anti-separation portion 4 includes a surrounding edge 41 and a stopper 42, the surrounding edge 41 is installed along the circumferential direction of the sampling tube 2 and at the notch of the accommodating groove 3, the surrounding edge 41 is welded to the outer wall of the sampling tube 2, the stopper 42 is welded to the bump 31, and one side of the stopper 42, which is far away from the bottom wall of the accommodating groove 3, is used for abutting against the surrounding edge 41 to achieve the effect of preventing.

Referring to fig. 4, the balls 34 are provided on the projections 31 to be in rolling contact with the inner wall of the sleeve 1. In the process of rotating the sampling tube 2, the sliding friction between the lug 31 and the sleeve 1 is changed into rolling friction by the ball 34, so that the friction coefficient is reduced, the friction force is reduced, the friction loss between the lug 31 and the inner wall of the sleeve 1 is reduced, and the service life of the device is prolonged.

Referring to fig. 5, a strip-shaped groove 5 is formed in the hole wall of the first through hole 11, the strip-shaped groove 5 is formed along the circumferential direction of the sleeve 1, and the strip-shaped groove 5 is used for inserting the bump 31.

Referring to fig. 5, a sealing member 51 is disposed in the strip-shaped groove 5, the sealing member 51 is used for sealing a gap between the inner wall of the strip-shaped groove 5 and the bump 31, and the sealing member 51 is a rubber sheet or a sponge sheet and is fixed on the side wall of the strip-shaped groove 5 by means of thermal welding. In the in-process of taking out sleeve 1 from the cement bag, lug 31 is located bar groove 5 to seal the clearance between lug 31 and the 5 inner walls of bar groove through sealing member 51, can avoid in the cement bag cement of non-sampling point to get into sampler barrel 2 effectively, further improved the quality of cement sample.

In addition, referring to fig. 5, the end of the sleeve 1 away from the mounting ring 14 is provided with a tip 12, and the end of the sleeve 1 near the tip 12 is provided with serrations 13. Sawtooth 13 on the sleeve 1 is sharper, is favorable to becoming flexible to cement, has improved the not hard up efficiency of cement, has further made things convenient for the sample to cement.

Referring to fig. 6, the sampling cylinder 2 is detachably connected to the sleeve 1, the sleeve 1 is provided with a limiting part 6, the limiting part 6 is used for limiting the position of the sampling cylinder 2 on the sleeve 1, and the limiting part 6 includes a limiting pin.

Referring to fig. 6, an installation ring 14 is rotatably installed at the opening of the sleeve 1 along the length direction of the sleeve 1, a sliding groove 7 is formed in the inner wall of the installation ring 14 along a bus of the installation ring 14, a sliding block 71 is welded on the sampling tube 2, and the sliding block 71 is connected with the sliding groove 7 in a sliding manner.

Referring to fig. 6, the outer wall of the mounting ring 14 is provided with a mounting hole 72 communicated with the chute 7, the axis of the mounting hole 72 is perpendicular to the length direction of the sampling tube 2, the limit pin penetrates through the mounting hole 72, and one end of the sliding block 71 away from the sampling tube 2 is provided with a limit hole 73 for inserting the limit pin.

Referring to fig. 6, a circular truncated cone 74 is welded at one end of the limiting pin far away from the mounting ring 14, and the circular truncated cone 74 is pulled to drive the limiting pin to move, so that a worker can conveniently drive the limiting pin to move, and the operation efficiency is improved.

In addition, referring to fig. 6, a second elastic element 75 is disposed on the mounting ring 14, the second elastic element 75 is configured to drive the limit pin to move toward the inside of the sliding groove 7, the second elastic element 75 is a tension spring, the tension spring is sleeved on the limit pin, one end of the tension spring is welded to the circular truncated cone 74, and the other end of the tension spring is welded to the mounting ring 14. In the process of sampling cement, the limiting pin always has the trend of moving towards the inside of the sliding groove 7 under the action of the pressure spring, and the limiting pin is always in plug-in connection with the sliding block 71, so that the situation that the limiting pin is separated from the sliding block 71 due to manual mistaken touch can be effectively avoided, and the reliability of the device in the using process is improved.

The implementation principle of the sampling system for engineering supervision in the embodiment of the application is as follows:

when carrying out the cement sample, before inserting sleeve 1 into the cement bag, at first rotate sampling tube 2, make first through-hole 11 and second through-hole 21 dislocation, so that the outer wall of sampling tube 2 carries out the shutoff to first through-hole 11, then insert sleeve 1 into the cement bag, after reaching the sampling depth, rotate sampling tube 2, make first through-hole 11 and second through-hole 21 intercommunication, along with the rotation of sampling tube 2, hang the cement sample of sampling point in sampling tube 2, along with the continuation rotation of sampling tube 2, the inner wall of sampling tube 2 carries out the shutoff to first through-hole 11, can drive sleeve 1 afterwards and keep away from the cement bag, accomplish the sample of cement promptly, in the in-process of sample, can avoid in the cement of non-sampling point gets into sampling tube 2 effectively, the quality of taking a sample has been improved effectively.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sampling system is used in engineering supervision, includes cement sampler, its characterized in that: the cement sampler comprises a hollow sleeve (1), one end of the sleeve (1) is sealed, the other end is provided with an opening, a hollow sampling cylinder (2) is movably arranged in the sleeve (1) along the length direction of the sleeve (1), the outer wall of the sampling cylinder (2) is attached to the inner wall of the sleeve (1), a first through hole (11) is formed in one end of the sleeve (1), a second through hole (21) is formed in the sampling cylinder (2), and the second through hole (21) is communicated with the first through hole (11).

2. The project supervision sampling system according to claim 1, characterized in that: holding tank (3) have been seted up on the outer wall that sampler barrel (2) are close to second through-hole (21) one end, holding tank (3) are seted up along the circumference of sampler barrel (2), holding tank (3) internal rotation is provided with lug (31), the pivot of lug (31) is on a parallel with the generating line of sampler barrel (2), be provided with first elastic component (33) in holding tank (3), first elastic component (33) are used for ordering about lug (31) and deflect towards the direction of keeping away from holding tank (3), be provided with anticreep portion (4) on sampler barrel (2) and lug (31), anticreep portion (4) are used for preventing lug (31) from breaking away from holding tank (3).

3. The project supervision sampling system according to claim 2, characterized in that: a strip-shaped groove (5) is formed in the hole wall of the first through hole (11), the strip-shaped groove (5) is formed in the circumferential direction of the sleeve (1), and the strip-shaped groove (5) is used for allowing the lug (31) to be inserted.

4. The project supervision sampling system according to claim 3, characterized in that: and a sealing element (51) is arranged in the strip-shaped groove (5), and the sealing element (51) is used for sealing a gap between the inner wall of the strip-shaped groove (5) and the bump (31).

5. The project supervision sampling system according to claim 2, characterized in that: the convex block (31) is provided with a ball (34) which is in rolling contact with the inner wall of the sleeve (1).

6. The project supervision sampling system according to any one of claims 1 to 5, characterized in that: sampling tube (2) can be dismantled with sleeve (1) and be connected, be provided with locating part (6) on sleeve (1), locating part (6) are used for limiting the position of sampling tube (2) on sleeve (1).

7. The project supervision sampling system according to claim 6, wherein: the limiting piece (6) comprises a limiting pin, an installation ring (14) is rotatably arranged at an opening of the sleeve (1) along the length direction of the sleeve (1), a sliding groove (7) is formed in the inner wall of the installation ring (14) along a bus of the installation ring (14), a sliding block (71) is fixedly arranged on the sampling tube (2), and the sliding block (71) is connected with the sliding groove (7) in a sliding manner;

the mounting structure is characterized in that a mounting hole (72) communicated with the sliding groove (7) is formed in the outer wall of the mounting ring (14), the limiting pin penetrates through the mounting hole (72) and is used for being connected with the sliding block (71) in an inserting mode, a second elastic piece (75) is arranged on the mounting ring (14), and the second elastic piece (75) is used for driving the limiting pin to move towards the sliding groove (7) in an actuating mode.

8. The project supervision sampling system according to claim 1, characterized in that: a pointed end (12) is arranged at one end, far away from the mounting ring (14), of the sleeve (1), and one end, close to the pointed end (12), of the sleeve (1) is arranged on the saw teeth (13).