CN221030358U - Foundation pit displacement measuring device - Google Patents

Abstract

The utility model discloses a foundation pit displacement measuring device, which belongs to the technical field of foundation pit detection and comprises a push rod which can be abutted against the side wall of a foundation pit, wherein the push rod is arranged at the bottom of the foundation pit through a mounting frame, and the mounting frame is a telescopic frame and can drive the push rod to move up and down. The ejector rod comprises a rod body and an ejector pin which is slidably arranged at the end part of the rod body, two contacts are arranged in the rod body and are respectively connected with an external controller and alarm equipment through wires, and when the two contacts are connected with each other, the controller sends an alarm signal to the alarm equipment, and the alarm equipment alarms. When the pit wall generates displacement, the pit wall applies pressure to the thimble, the thimble displaces in the rod body, the thimble slides towards the inside of the groove, and the U-shaped electrifying sheet arranged on the thimble is inserted into the inside of the two contacts and is equivalent to connecting the two contacts together, so that the controller receives signals and sends alarm signals to the alarm.

Description

Foundation pit displacement measuring device

Technical Field

The utility model relates to a foundation pit displacement measuring device, and belongs to the technical field of foundation pit displacement measurement.

Background

The foundation pit displacement refers to deformation and displacement of an underground soil layer in the foundation pit excavation process. When the soil on the ground is excavated and removed, the underground soil layer is affected by decompression and instability, so that the displacement of the soil layer around the foundation pit is caused, the shape of a detection device for the foundation pit displacement is relatively fixed, the height and the direction of the detection device cannot be adjusted according to the needs, the conventional detection device alarm mechanism is not sensitive enough to trigger, and after the foundation pit is frequently deviated, an alarm switch cannot be triggered, so that the subsequent alarm work is affected.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides a foundation pit displacement measuring device, which can randomly change the detection position and the height.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a foundation ditch displacement measuring device, includes the ejector pin that can support tightly on the foundation ditch lateral wall, the ejector pin passes through the mounting bracket and installs in the foundation ditch hole bottom, the mounting bracket can drive the ejector pin and reciprocate for the expansion bracket.

The ejector rod comprises a rod body and an ejector pin slidably mounted at the end part of the rod body, two contacts are arranged in the rod body and are respectively connected with an external controller and alarm equipment through wires, and when the two contacts are connected with each other, the controller sends an alarm signal to the alarm equipment, and the alarm equipment alarms.

Preferably, the end of the rod body is provided with a groove, an inner rod is arranged in the groove, the two contacts are arranged in the inner rod, the thimble is provided with a U-shaped electrifying piece, the U-shaped electrifying piece is provided with a plug matched with the two contacts, and when the two plugs are inserted into the contacts, the two contacts are connected with each other.

Preferably, the ejector pin is slidably mounted in the groove through an elastomer.

Preferably, the mounting frame comprises a first bracket and a second bracket, the second bracket is slidably arranged in the first bracket, a rotatable screw rod I is rotatably arranged in the first bracket, a sliding block is fixed on one side of the second bracket, and the screw rod I penetrates through the sliding block and is in meshed connection with a threaded hole in the sliding block.

Preferably, a second screw rod is rotatably installed in the second bracket, the second screw rod penetrates through the rod body, and a threaded hole meshed with the screw rod is formed in the rod body.

Preferably, a slide way for sliding the rod body is arranged in the second support, a conductive sheet is arranged at one end of the wire, far away from the contact, of the wire, a conductive steel ball capable of rotating is arranged at the connecting part of the rod body and the support, the conductive steel ball is attached to one side of the conductive sheet, a conductive groove is formed in the slide way, a conductive slide way is arranged in the conductive groove, and the conductive steel ball is attached to the conductive slide way.

Compared with the prior art, the thimble is abutted against the pit wall of the foundation pit, when the pit wall generates displacement, the pit wall applies pressure to the thimble, the thimble displaces in the rod body, the thimble slides towards the inside of the groove, the U-shaped electrifying piece arranged on the thimble is inserted into the inside of the two contacts, which is equivalent to connecting the two contacts together, so that the controller receives a signal, sends an alarm signal to the alarm, and the alarm alarms, thereby performing early warning on the displacement of the foundation pit.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a cross-sectional view showing the connection of the first and second brackets according to the present utility model.

Fig. 3 is an internal cross-sectional view of the rod body of the present utility model.

Fig. 4 is an enlarged view of the utility model at a in fig. 3.

In the figure: 1. the device comprises a base, a first support, a second support, a first support, a third support, a fourth support, a conductive sheet, a 5, a push rod, a 6, a conductive steel ball, a 7, a wire, a 8, a rod body, a 9, an inner rod, a 10, an elastomer, a 11, a U-shaped electrifying sheet, a 12, a thimble, a 13, a first screw rod, a 14, a second screw rod, a 15 and a contact.

Detailed Description

The utility model is illustrated below by means of specific examples, without however limiting the utility model.

Examples

As shown in fig. 1-4, in this embodiment, a foundation pit displacement measuring device is provided, including ejector pin 5 that can support tightly on the foundation pit lateral wall, ejector pin 5 passes through the mounting bracket and installs at the foundation pit bottom, the mounting bracket can drive ejector pin 5 and reciprocate for the expansion bracket, the mounting bracket includes support one 2 and support two 3, and support one 2 is fixed on base 1, support two 3 slidable mounting is in the inside of support one 2, support one 2's internal rotation installs can pivoted screw one 13, one side of support two 3 is fixed with the slider, screw one 13 passes the slider and with the screw hole meshing connection on the slider, installs on support one 2 and is used for driving screw one 13 pivoted motors, and motor drive screw one 13 rotates, and screw one 13 rotates and can drive support two 3 and slide on support one 2, the inside rotation of support two 3 installs screw two 14, screw two 14 passes body of rod 8, be equipped with screw meshed screw hole on body of rod 8, install on support two 3 and be used for driving screw two 14 rotation motor, support one side of support 3 is equipped with the electric wire guide wire that can be equipped with on the electric wire guide 6 and is equipped with on the electric wire guide way 6 and is equipped with on one side of the electric wire guide way, and is equipped with electric wire guide way 6 and electric wire guide way, and electric wire guide way 6 and electric conduction path connection.

The ejector pin 5 includes body of rod 8 and slidable mounting at ejector pin 12 of body of rod 8 tip, the inside of body of rod 8 is equipped with two contacts, the recess has been seted up to the tip of body of rod 8, install interior pole 9 in the recess, two the contact is all installed in interior pole 9, ejector pin 12 passes through elastomer 10 slidable mounting in the inside of recess, install U type circular telegram piece 11 on the ejector pin 12, be equipped with the plug with two contact adaptations on the U type circular telegram piece 11, when two plugs insert the contact inside, two contacts interconnect, when the plug of U type circular telegram piece 11 inserts the contact inside, two contacts interconnect, and two contacts are connected with external control ware and alarm device through wire 7 respectively, when two contacts interconnect, the controller sends alarm signal to alarm device, and alarm device carries out the warning work.

When in use, the utility model is characterized in that: install this device in the inside of foundation ditch, adjust the height of ejector pin 5 through the height of adjusting support two 3 and the height of body of rod 8 on support two 3, confirm the position of ejector pin 5 as required, with ejector pin 5 top tightly on the lateral wall of foundation ditch, the inside U type circular telegram piece 11 of thimble 12 does not contact with the contact, after the foundation ditch produces the displacement, the foundation ditch is pressed thimble 12, thimble 12 slides and drives U type circular telegram piece 11 and remove and contact, two contacts are connected through U type circular telegram piece 11 electricity, after two contact connection, the controller sends alarm signal to alarm device, alarm device carries out alarm work.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution of the present utility model, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the present utility model may be modified or equivalently replaced without departing from the spirit and scope of the present utility model, and any modification or partial replacement thereof should be included in the scope of the claims of the present utility model.

Claims (6)

1. The utility model provides a foundation ditch displacement measuring device which characterized in that: the foundation pit comprises an ejector rod (5) which can be abutted against the side wall of the foundation pit, wherein the ejector rod (5) is arranged at the bottom of the foundation pit through a mounting frame, and the mounting frame is a telescopic frame which can drive the ejector rod (5) to move up and down;

The ejector rod (5) comprises a rod body (8) and an ejector pin (12) which is slidably mounted at the end part of the rod body (8), two contacts are arranged in the rod body (8) and are respectively connected with an external controller and alarm equipment through wires (7), and when the two contacts are connected with each other, the controller sends an alarm signal to the alarm equipment, and the alarm equipment performs alarm work.

2. The foundation pit displacement measuring device according to claim 1, wherein the end part of the rod body (8) is provided with a groove, an inner rod (9) is arranged in the groove, two contacts are arranged in the inner rod (9), a U-shaped electrifying sheet (11) is arranged on the thimble (12), a plug matched with the two contacts is arranged on the U-shaped electrifying sheet (11), and when the two plugs are inserted into the contacts, the two contacts are connected with each other.

3. A foundation pit displacement measuring device according to claim 2, wherein the thimble (12) is slidably mounted in the recess by means of an elastomer (10).

4. The foundation pit displacement measuring device according to claim 2, wherein the mounting frame comprises a first support (2) and a second support (3), the second support (3) is slidably mounted inside the first support (2), a rotatable first screw (13) is rotatably mounted inside the first support (2), a sliding block is fixed on one side of the second support (3), and the first screw (13) penetrates through the sliding block and is in meshed connection with a threaded hole in the sliding block.

5. The foundation pit displacement measuring device according to claim 4, wherein the second bracket (3) is internally rotatably provided with a second screw rod (14), the second screw rod (14) penetrates through the rod body (8), and the rod body (8) is provided with a threaded hole for engaging with the screw rod.

6. The foundation pit displacement measuring device according to claim 4, wherein a slide way for sliding a rod body (8) is arranged in the second support (3), a conductive sheet (4) is arranged at one end, far away from the contact (15), of the wire (7), a rotatable conductive steel ball (6) is arranged at the connecting part of the rod body (8) and the support, the conductive steel ball (6) is attached to one side of the conductive sheet (4), a conductive groove is formed in the slide way, a conductive slide way is arranged in the conductive groove, and the conductive steel ball (6) is attached to the conductive slide way.