CN213874280U

CN213874280U - Continuous observation device for settlement cracks of building

Info

Publication number: CN213874280U
Application number: CN202120101903.4U
Authority: CN
Inventors: 蒲龙柱; 张有宏; 陈志忠; 丰圣钦
Original assignee: Guangdong Huizhong Construction Engineering Testing And Appraisal Co ltd
Current assignee: Guangdong Huizhong Construction Engineering Testing And Appraisal Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-08-03
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a continuous observation device of building settlement crack, include the joint meter and cup joint the fixing device at its both ends, fixing device includes the base, the base top has linked firmly the U-shaped board, the bottom of U-shaped board is equipped with the sleeve pipe, the sheathed tube bottom links firmly with the top of base, the cover intraductal activity of pegging graft has movable post. The utility model discloses a be equipped with T shape pole, when the skew of direction about the wall body of crack both sides takes place, two T shape poles begin to carry out the syntropy and rotate under the drive of joint meter, thereby guarantee that the both ends of joint meter remain throughout on same straight line, when the skew of side around the wall body of crack both sides takes place, two T shape poles make the joint meter both ends be in same vertical plane all the time under the combined action of first spring and second spring, thereby avoid the joint meter to lead to the not hard up of base under the effect of wall body torsional force, and then guarantee the stability of joint meter continuous monitoring.

Description

Continuous observation device for settlement cracks of building

Technical Field

The utility model belongs to the technical field of the wall body crack monitoring, in particular to building settlement crack is observation device in succession.

Background

The crack observation is an important content of foundation pit deformation monitoring and building settlement observation, generally, mainly caused by differential settlement, and the main purpose of crack observation is to examine the crack condition, grasp the change rule, analyze the cause and harm so as to take measures and ensure the safe operation of the building.

The existing crack monitoring means is mainly realized through a crack meter, two bases of the crack meter are required to be fixed on two sides of a crack respectively during use, then the change condition of the crack is determined by measuring the elongation of the crack meter, but in actual conditions, the wall body can not only enable the crack to move towards two sides due to irregular settlement of a foundation, but also enable the wall body on two sides of the crack to deviate in the front-back direction and the up-down direction, so that the two ends of the crack meter cannot be parallel to the wall body on the corresponding side, the crack meter and the wall body generate twisting force, the bases for fixing the crack meter are loosened under the effect of the twisting force, and finally the crack meter falls off or detection errors are caused.

Therefore, it is necessary to develop a continuous observation device for settlement cracks of buildings to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a building settlement crack continuous observation device 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 continuous observation device for settlement cracks of a building comprises a crack meter and fixing devices sleeved at two ends of the crack meter, wherein each fixing device comprises a base, the top of each base is fixedly connected with a U-shaped plate, the bottom of each U-shaped plate is provided with a sleeve, the bottom of each sleeve is fixedly connected with the top of each base, a movable column is movably inserted in each sleeve, and the top thread of each movable column penetrates through and is inserted at the bottom of the inner side of each U-shaped plate;

the top of the movable column is provided with a slot, a T-shaped rod is movably inserted in the slot, a first spring is sleeved on the T-shaped rod, the top of the T-shaped rod is fixedly connected with a buckle, the bottom of the T-shaped rod is fixedly connected with a pressure lever, the bottom of the pressure lever movably penetrates through the slot wall at the bottom of the slot in an inserting mode, the bottom of the pressure lever is located in the sleeve, a second spring is sleeved on the pressure lever, and the second spring and the first spring are both located in the slot;

the limiting rod is movably inserted into two sides of the movable column close to the bottom, one end of the limiting rod is in contact with the inner wall of the sleeve, the end of the limiting rod corresponds to the end of the sleeve, the inner wall of the sleeve is provided with annular teeth, the other end of the limiting rod is in contact with the pressing rod, the limiting rod is sleeved with a third spring, one end of the third spring close to the pressing rod is fixedly connected with a baffle, the baffle is fixedly sleeved on the limiting rod, the third spring is in a compression state under the action of the baffle, an annular groove is formed in the surface of the pressing rod, and the annular groove is located at the top of the limiting rod.

Furthermore, the inner wall of the buckle is provided with a non-slip mat, and the non-slip mat is made of rubber.

Furthermore, a mounting hole is formed in the base, and a fixing screw rod is movably inserted in the mounting hole.

Further, the elastic force of the second spring is larger than the sum of the gravity of the T-shaped rod and the gravity of the buckle.

Furthermore, the length of the annular groove is smaller than the maximum deformation of the second spring, and the depth of the annular groove is equal to the distance from one end, far away from the pressure rod, of the limiting rod to the inner wall of the sleeve.

Furthermore, one end of the limiting rod, which is close to the annular teeth, is matched with the annular teeth, the other end of the limiting rod is designed to be a curved surface, and the end can enter the annular groove.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with T shape pole, when the skew of direction about the wall body of crack both sides takes place, two T shape poles begin to use the depression bar to carry out the syntropy to rotate as the axle under the drive of joint meter, thereby guarantee that the part that the joint meter is located the crack both sides remains on same straight line all the time, and then avoid the joint meter to lead to the not hard up of base under the distortion effect of wall body upper and lower direction, when the skew of side around the wall body of crack both sides takes place, two T shape poles make joint meter both ends be in same vertical plane all the time in the common effect of first spring and second spring, thereby avoid the joint meter to lead to the not hard up of base under the distortion effect of wall body front and back side, and then guarantee the stability of joint meter continuous monitoring;

2. the utility model discloses a be equipped with the gag lever post, when needs adjust two T shape poles to same vertical plane, press one of them T shape pole and make the depression bar that corresponds begin to move under the effect of this T shape pole, meanwhile, the ring channel is close to the gag lever post gradually, when the gag lever post pastes tightly with the cell wall of ring channel completely, the post that moves about this moment is not being restricted by the gag lever post, rotate the movable post this moment, can adjust, treat that the adjustment finishes the back and loosen T shape pole, make T shape pole resume the normal position, meanwhile, two gag lever posts also resume the normal position and with the joint of annular tooth together, thereby avoid the movable post to take place to rotate because the irregular settlement of wall body at the in-process of joint meter continuous monitoring.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

fig. 2 is a side sectional view of a fixing device according to the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 in the present invention.

In the figure: the seam meter comprises a seam meter 1, a fixing device 2, a base 3, a U-shaped plate 4, a sleeve 5, a movable column 6, a slot 7, a T-shaped rod 8, a first spring 9, a buckle 10, a pressure rod 11, a second spring 12, a limiting rod 13, an annular tooth 14, a third spring 15, a baffle 16, an annular groove 17 and a fixing screw 18.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are 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 some, but not all, embodiments of the present invention. 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.

The utility model provides a continuous observation device of building settlement crack as shown in fig. 1-3, including joint meter 1 (for example POM-HDG20Z) and the fixing device 2 of cup jointing at its both ends, fixing device 2 includes base 3, base 3 top is linked firmly U-shaped plate 4, the bottom of U-shaped plate 4 is equipped with sleeve pipe 5, the bottom of sleeve pipe 5 is linked firmly with the top of base 3, movable post 6 is pegged graft in the sleeve pipe 5 activity, the top screw thread of movable post 6 runs through and pegs graft in the inboard bottom of U-shaped plate 4;

the top of the movable column 6 is provided with a slot 7, a T-shaped rod 8 is movably inserted in the slot 7, a first spring 9 is sleeved on the T-shaped rod 8, the top of the T-shaped rod 8 is fixedly connected with a buckle 10, the bottom of the T-shaped rod 8 is fixedly connected with a compression bar 11, the bottom of the compression bar 11 movably penetrates through and is inserted on the slot wall at the bottom of the slot 7, the bottom of the compression bar 11 is positioned in the sleeve 5, a second spring 12 is sleeved on the compression bar 11, and the second spring 12 and the first spring 9 are both positioned in the slot 7;

the two sides of the movable column 6, which are close to the bottom, are movably inserted with limit rods 13, one end of each limit rod 13 is in contact with the inner wall of the sleeve 5, the corresponding end of each limit rod 13 is provided with annular teeth 14 on the inner wall of the sleeve 5, the other end of each limit rod 13 is in contact with the corresponding pressure rod 11, the limit rods 13 are sleeved with third springs 15, one ends, which are close to the pressure rods 11, of the third springs 15 are fixedly connected with baffle plates 16, the baffle plates 16 are fixedly sleeved on the limit rods 13, the third springs 15 are in a compression state under the action of the baffle plates 16, annular grooves 17 are formed in the surfaces of the pressure rods 11, and the annular grooves 17 are located at the tops.

As a specific embodiment of the present invention, the inner wall of the buckle 10 is provided with a non-slip mat, and the non-slip mat is made of rubber; the non-slip pad can firmly fix the joint meter 1 in the buckle 10.

As a specific embodiment of the present invention, the base 3 is provided with a mounting hole, and a fixing screw 18 is movably inserted into the mounting hole; when the crack needs to be monitored, the fixing device 2 can be installed on both sides of the wall crack through the fixing screw rods 18.

As a specific embodiment of the present invention, the elastic force of the second spring 12 is greater than the sum of the gravity of the T-shaped rod 8 and the weight of the buckle 10; the annular groove 17 is ensured not to contact with the limiting rod 13 when the pressure rod 11 is not acted by external force.

As a specific embodiment of the present invention, the length of the annular groove 17 is less than the maximum deformation of the second spring 12, and the depth of the annular groove 17 is equal to the distance from the end of the limiting rod 13 far away from the pressing rod 11 to the inner wall of the sleeve 5; when the pressure lever 11 moves downward, the annular groove 17 can protect the second spring 12 from being damaged by over-compression, and when the stopper rod 13 enters the annular groove 17, one end of the stopper rod 13 close to the annular teeth 14 can be separated from the annular teeth 14.

As a specific embodiment of the present invention, one end of the limiting rod 13 close to the annular teeth 14 is matched with the annular teeth 14, and the other end of the limiting rod 13 is designed to be a curved surface and can enter into the annular groove 17; when the limiting rod 13 is contacted with the annular tooth 14, the movable column 6 can be prevented from rotating through the interaction between the limiting rod 13 and the annular tooth 14, and when the limiting rod 13 enters the annular groove 17, the movable column 6 can rotate.

The working principle is as follows: by arranging the fixing devices 2, when a crack needs to be continuously monitored, two fixing devices 2 are respectively fixed at the same height position of the wall bodies on two sides of the crack through the fixing screw rods 18, then one T-shaped rod 8 is pressed towards the wall surface, at the moment, the corresponding pressure rod 11 starts to move towards the wall surface under the action of the T-shaped rod 8, meanwhile, the annular groove 17 gradually approaches to the limiting rod 13, when the limiting rod 13 is contacted with the annular groove 17, the limiting rod 13 moves towards the annular groove 17 under the action of the third spring 15, the limiting rod 13 is gradually separated from the annular tooth 14 in the process, when the limiting rod 13 is completely attached to the groove wall of the annular groove 17 under the action of the third spring 15, at the moment, the movable column 6 is not limited by the limiting rod 13, then the movable column 6 is rotated, so that the movable column 6 and the other movable column 6 are in the same vertical plane, after the adjustment is finished, the T-shaped rod 8 is loosened, so that the T-shaped rod 8 recovers the original position under the action of the second spring 12, meanwhile, the two limiting rods 13 recover the original position under the extrusion of the pressure rod 11 and are clamped with the annular teeth 14, and therefore the movable column 6 is prevented from rotating due to irregular settlement of the wall body in the continuous monitoring process of the joint meter 1;

after adjustment is finished, the two T-shaped rods 8 are rotated to enable the two buckles 10 to be opposite, then the joint meter 1 is fixed on a wall under the action of the two buckles 10, when the wall on two sides of a crack deviates in the vertical direction, the two T-shaped rods 8 are driven by the joint meter 1 to rotate in the same direction by taking the pressure rod 11 as an axis, so that the parts of the joint meter 1 on two sides of the crack are always kept on the same straight line, and further the joint meter 1 is prevented from loosening the base 3 under the action of the torsional force of the wall in the vertical direction;

when the skew of side around the wall body emergence of crack both sides, two T shape poles 8 make 1 both ends of joint meter be in same vertical plane all the time at the combined action of first spring 9 and second spring 12 to avoid the joint meter 1 to lead to the not hard up of base 3 under the torsional force effect of wall body front and back side, and then guarantee the stability of joint meter 1 continuous monitoring.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a continuous observation device of building settlement crack, includes joint meter (1) and cup joints fixing device (2) at its both ends, its characterized in that: the fixing device (2) comprises a base (3), the top of the base (3) is fixedly connected with a U-shaped plate (4), the bottom of the U-shaped plate (4) is provided with a sleeve (5), the bottom of the sleeve (5) is fixedly connected with the top of the base (3), a movable column (6) is movably inserted in the sleeve (5), and a top thread of the movable column (6) penetrates through and is inserted at the bottom of the inner side of the U-shaped plate (4);

the top of the movable column (6) is provided with a slot (7), a T-shaped rod (8) is movably inserted into the slot (7), a first spring (9) is sleeved on the T-shaped rod (8), the top of the T-shaped rod (8) is fixedly connected with a buckle (10), the bottom of the T-shaped rod (8) is fixedly connected with a compression bar (11), the bottom of the compression bar (11) movably penetrates through the slot wall of the bottom of the slot (7) and is inserted into the slot wall of the bottom of the slot (7), the bottom of the compression bar (11) is positioned in the sleeve (5), a second spring (12) is sleeved on the compression bar (11), and the second spring (12) and the first spring (9) are both positioned in the slot (7);

the utility model discloses a spacing pole, including activity post (6), sleeve pipe (5), stopper rod (13) one end and the corresponding sleeve pipe (5) inner wall contact, and this end is equipped with annular tooth (14) on the sleeve pipe (5) inner wall, the other end and the depression bar (11) contact of stopper rod (13), third spring (15) have been cup jointed on stopper rod (13), baffle (16) have been linked firmly to the one end that third spring (15) are close to depression bar (11), baffle (16) are fixed cup joint on stopper rod (13), and third spring (15) are in compression state under the effect of baffle (16), ring channel (17) have been seted up on the surface of depression bar (11), and ring channel (17) are located the top of stopper rod (13).

2. The continuous observation device for the settlement cracks of the building as claimed in claim 1, wherein: and the inner wall of the buckle (10) is provided with an anti-slip pad, and the anti-slip pad is made of rubber.

3. The continuous observation device for the settlement cracks of the building as claimed in claim 1, wherein: the base (3) is provided with a mounting hole, and a fixed screw (18) is movably inserted in the mounting hole.

4. The continuous observation device for the settlement cracks of the building as claimed in claim 1, wherein: the elasticity of the second spring (12) is larger than the sum of the gravity of the T-shaped rod (8) and the gravity of the buckle (10).

5. The continuous observation device for the settlement cracks of the building as claimed in claim 1, wherein: the length of the annular groove (17) is smaller than the maximum deformation of the second spring (12), and the depth of the annular groove (17) is equal to the distance from one end, far away from the pressure rod (11), of the limiting rod (13) to the inner wall of the sleeve (5).

6. The continuous observation device for the settlement cracks of the building as claimed in claim 1, wherein: one end of the limiting rod (13) close to the annular teeth (14) is matched with the annular teeth (14), the other end of the limiting rod (13) is designed to be a curved surface, and the end can enter the annular groove (17).