A surrounding rock deformation monitoring device

Abstract

The application discloses a kind of surrounding rock deformation monitoring devices, including chassis and the adjusting frame located in the upper side of chassis, the chassis bottom front and rear sides are all equipped with moving wheel, the inner wall of the upper side of chassis and adjusting frame is all equipped with strip slot, the both sides of strip slot are evenly equipped with limiting opening, the adjusting frame is provided with I-beam between the chassis, the upper and lower sides of I-beam are inserted with the limiting opening, the I-beam is provided with fixed component at the insertion of limiting opening.The application relates to the technical field of surrounding rock deformation monitoring, the scheme uses a group of chassis, adjusting frame, arc-shaped frame and cross bar to form device main body, and the operator can adjust the device within a certain range according to the height of roadway, and the overall device has a wide range of applications.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surrounding rock deformation monitoring, in particular to a surrounding rock deformation monitoring device. BACKGROUND

[0002] In order to ensure the safety of construction and operation of the roadway, it is necessary to monitor the stress and deformation of the surrounding rock of the roadway. However, the traditional monitoring method is to manually monitor the deformation of the rock mass in the roadway by using monitoring instruments. However, due to the high height and large area of the roadway, the manual monitoring efficiency is low, and it is difficult to achieve real-time monitoring. At the same time, the monitoring safety is low, which may cause safety hazards. SUMMARY

[0003] The present application aims to provide a surrounding rock deformation monitoring device capable of real-time full-section monitoring, which has high monitoring efficiency and safety.

[0004] To achieve the above purpose, the present application realizes the following technical scheme: a surrounding rock deformation monitoring device, comprising a chassis and an adjusting frame located on the upper side of the chassis, the bottom of the chassis is provided with moving wheels on the front and rear sides, the inner walls of the upper side of the chassis and the lower side of the adjusting frame are provided with strip-shaped grooves, the strip-shaped grooves are uniformly provided with limiting openings on both sides, a I-beam is arranged between the adjusting frame and the chassis, the upper and lower sides of the I-beam are inserted into the limiting openings, and a fixing assembly is arranged at the insertion part of the I-beam and the limiting opening.

[0005] An arc-shaped frame is arranged on the upper side of the adjusting frame, the lower side of the arc-shaped frame is inserted into the upper side of the adjusting frame, a limiting groove is arranged on the upper side of the arc-shaped frame, a cross bar is inserted into the limiting groove, a connecting screw is threadedly connected to the insertion part of the cross bar and the limiting groove, a connecting screw is also threadedly connected to the insertion part of the lower side of the arc-shaped frame and the upper side of the adjusting frame, a rack is embedded in the inner side of the chassis, the inner side of the adjusting frame and the top of the cross bar, an annular frame is arranged on the outer side of the chassis, the outer side of the adjusting frame and the outer side of the cross bar, a first rectangular through hole is arranged on the inner side of the annular frame, a gear meshing with the rack is rotatably connected to the inside of the rectangular through hole, a plurality of positioning holes are uniformly arranged on the surface of the gear, a positioning assembly is arranged on both sides of the first rectangular through hole, and a monitoring assembly is arranged on the outer side of the annular frame.

[0006] In the scheme, the monitoring assembly comprises an assembly box, a connecting seat is welded on one side of the assembly box, the connecting seat is connected with the outer side of the annular frame through screws on the upper and lower sides of the connecting seat, an adjusting screw is rotatably connected with the inner wall of one side of the assembly box through a bearing, a transmission block is threadedly connected with one end of the adjusting screw, a monitoring sensor is connected with one side of the transmission block, a first limiting piece is arranged on the middle part of the transmission block, a circular through hole corresponding to the monitoring sensor is formed in one side of the assembly box, the monitoring sensor penetrates through the circular through hole and extends out of the inside of the assembly box, a rotating wheel is arranged on the middle part of the adjusting screw, and a second rectangular through hole corresponding to the position of the rotating wheel is formed in the front side of the assembly box.

[0007] In the scheme, the fixing assembly comprises a concave fixing block, dovetail grooves are formed in the two sides of the adjusting frame and the chassis, dovetail blocks corresponding to the dovetail grooves are arranged on the inner walls of the two sides of the concave fixing block, the inner side dovetail blocks of the concave fixing block are inserted into the dovetail grooves, a limiting rod is inserted into one side of the concave fixing block, an external thread is formed in one side of the limiting rod, and a connecting nut is threadedly connected with the external thread.

[0008] In the scheme, the positioning assembly comprises a fixing piece arranged on the inner side of the annular frame, a connecting rod is inserted into the middle part of the fixing block, a second limiting piece is connected with one side of the connecting rod, a return spring is arranged on the outer side of the connecting rod, a positioning rod corresponding to the positioning hole is connected with one side of the second limiting piece, and the positioning rod is inserted into the positioning hole.

[0009] In the scheme, the positioning anchor rod is inserted into the inner side of the chassis, so that the fixing strength of the device is increased.

[0010] In the scheme, the connecting rod is connected with a circular pull ring on one side, so that the operator can operate conveniently.

[0011] The inner wall of one side of the assembly box is provided with a limiting sliding rod parallel to the adjusting screw, the first limiting piece is slidably connected with the limiting sliding rod, and the stability of the transmission block is increased.

[0012] In the scheme, the connecting bolt is inserted into one side of the concave fixing block, the connecting bolt penetrates through the I-shaped block and is threadedly connected with the inner wall of the strip-shaped slot, and the connecting strength of the device is increased.

[0013] In the scheme, the door-shaped protection frame is connected with one side of the annular frame through screws, and the protection is increased.

[0014] The adjusting frame, the chassis and the horizontal rod are provided with guide grooves on the front and back sides, the annular frame is threadedly connected with fastening bolts corresponding to the guide grooves on the two sides, and the guide grooves are provided with a rough layer, so that the fixing stability is increased.

[0015] The present application has the following advantages:

[0016] 1、The technical scheme adopts a chassis, an adjusting frame, an arc-shaped frame and a cross rod to constitute a device main body, an operator can adjust the height of the device according to the height of a roadway, and the device has wide application range;

[0017] 2、By increasing the monitoring assembly with adjustable position outside the chassis, the adjusting frame and the cross rod, the synchronous automatic deformation monitoring of surrounding rock of multiple key positions inside the rock mass roadway can be carried out, the monitoring process is convenient and efficient, the monitoring area is large, and the monitoring process is safe and reliable;

[0018] 3、The device can be quickly disassembled and assembled, which is convenient for the operator to carry, and the monitoring assembly can be contracted, so that the practicability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a vertical structure schematic view of the application.

[0020] Figure 2 It is a side view structure schematic view (from the inside and with a partial section) of the application.

[0021] Figure 3 It is a top view structure schematic view of the concave fixing block of the application.

[0022] Figure 4 It is an enlarged structure schematic view of A of the application.

[0023] Figure 5 It is an enlarged structure schematic view of B of the application.

[0024] Figure 6 It is an enlarged structure schematic view of C of the application.

[0025] In the figure: 1, chassis, 2, adjusting frame, 3, moving wheel, 4, I-shaped block, 5, arc-shaped frame, 6, cross rod, 7, rack, 8, ring-shaped frame, 9, gear, 10, assembly box, 11, connecting seat, 12, adjusting screw, 13, transmission block, 14, monitoring sensor, 15, first limiting sheet, 16, rotating wheel, 17, concave fixing block, 18, limiting rod, 19, connecting nut, 20, fixing sheet, 21, connecting rod, 22, second limiting sheet, 23, return spring, 24, positioning rod, 25, positioning anchor rod, 26, circular pull ring, 27, limiting sliding rod, 28, door-shaped protection frame, 29, fastening bolt. DETAILED DESCRIPTION

[0026] All other embodiments obtained by those skilled in the art on the basis of the embodiments in the application without creative labor belong to the scope of protection of the application.

[0027] For example, Figures 1-6As shown, a surrounding rock deformation monitoring device, including the chassis 1 and the adjusting frame 2 on the upper side of the chassis 1, the chassis 1 bottom front and rear sides are equipped with mobile wheels 3. The chassis 1, adjusting frame 2 are two.

[0028] The inner wall of the upper side of the chassis 1 and the lower side of the adjusting frame 2 is provided with a strip-shaped slot, the two sides of the strip-shaped slot are uniformly provided with a limiting opening, the adjusting frame 2 and the chassis 1 are provided with an I-beam 4, the upper and lower sides of the I-beam 4 are inserted with the limiting opening, the I-beam 4 and the limiting opening are inserted with a fixed component.

[0029] The upper side of the adjusting frame 2 is provided with an arc-shaped frame 5, the lower side of the arc-shaped frame 5 is inserted with the upper side of the adjusting frame 2, the upper side of the arc-shaped frame 5 is provided with a limiting slot, the limiting slot is inserted with a cross bar 6, the cross bar 6 is threadedly connected with a connecting screw at the inserted part with the limiting slot, the lower side of the arc-shaped frame 5 is also threadedly connected with a connecting screw at the inserted part with the upper side of the adjusting frame 2.

[0030] The inner side of the chassis 1, the inner side of the adjusting frame 2 and the top of the cross bar 6 are embedded with a rack 7, the outer side of the chassis 1, the outer side of the adjusting frame 2 and the outer side of the cross bar 6 are sleeved with a ring-shaped frame 8. The inner side of the ring-shaped frame 8 is provided with a first rectangular through hole, the first rectangular through hole is rotatably connected with a gear 9 engaged with the rack 7, the surface of the gear 9 is uniformly provided with a circle of positioning holes, the two sides of the first rectangular through hole are provided with a positioning component, and the outer side of the ring-shaped frame 8 is provided with a monitoring component.

[0031] The monitoring component includes an assembly box 10, one side of the assembly box 10 is welded with a connecting seat 11, the upper and lower sides of the connecting seat 11 are connected with the outer side of the ring-shaped frame 8 through screws, one side inner wall of the assembly box 10 is rotatably connected with an adjusting screw 12 through a bearing, one end of the adjusting screw 12 is threadedly connected with a transmission block 13, one side of the transmission block 13 is connected with a monitoring sensor 14, and a first limiting piece 15 is arranged in the middle part of the transmission block 13.

[0032] One side of the assembly box 10 is provided with a circular through hole corresponding to the monitoring sensor, the monitoring sensor 14 penetrates through the circular through hole and extends out of the inside of the assembly box 10, the middle part of the adjusting screw 12 is provided with a rotating wheel 16, and the front side of the assembly box 10 is provided with a second rectangular through hole corresponding to the position of the rotating wheel 16.

[0033] The fixing component includes a concave fixing block 17, the two sides of the adjusting frame 2 and the chassis 1 are provided with dovetail grooves, the two side inner walls of the concave fixing block 17 are provided with dovetail blocks corresponding to the dovetail grooves, and the dovetail blocks on the inner side of the concave fixing block 17 are inserted with the dovetail grooves.

[0034] One side of the concave fixing block 17 is inserted with a limiting rod 18, one side of the limiting rod 18 is provided with an external thread, and the external thread is threadedly connected with a connecting nut 19.

[0035] The positioning assembly comprises a fixed sheet 20 mounted inside the annular frame 8, a connecting rod 21 inserted in the middle part of the fixed sheet 20, a second limiting sheet 22 connected to one side of the connecting rod 21, a reset spring 23 sleeved outside the connecting rod 21, a positioning rod 24 corresponding to the positioning hole and connected to one side of the second limiting sheet 22, and the positioning rod 24 is inserted into the positioning hole formed on the gear 9.

[0036] When real-time deformation monitoring operation of the rock mass surrounding rock tunnel is needed, the operator first inserts the lower side of the arc-shaped frame 5 into the upper side of the adjusting frame 2, uses the connecting screw to reinforce the inserted part, then inserts the cross bar 6 into the limiting slot on the upper side of the arc-shaped frame 5, also uses the connecting screw to reinforce the inserted part, then inserts the upper and lower sides of the I-shaped block 4 into the strip-shaped slot on the upper side of the base frame 1 and the lower side of the adjusting frame 2 respectively, and the protrusions on the upper and lower sides of the I-shaped block 4 are inserted into the limiting openings, at this time, the operator can adjust the insertion position of the I-shaped block 4 according to the height of the tunnel, then inserts the concave fixing block 17 into the inserted part of the I-shaped block 4 and the strip-shaped slot, and uses the connecting bolt to penetrate the I-shaped block 4 and threadedly connect with the inner wall of the strip-shaped slot, so as to ensure the tightness of the connection between the I-shaped block 4 and the base frame 1 and the adjusting frame 2, ensure the overall stability of the device, prevent loosening of the connection, and at the same time, insert the limiting rod 18 into one side of the concave fixing block 17, and use the connecting nut 19 to fix the limiting rod 18, further increase the tightness of the connection between the I-shaped block 4 and the base frame 1 and the adjusting frame 2. The whole device can be quickly disassembled and assembled, which is convenient for the operator to carry, and the monitoring assembly can be contracted, which has high practicability.

[0037] After the assembly is completed, the operator can use the moving wheel 3 to move the device to a specified position inside the tunnel, then use the positioning anchor rod 25 to fix the position of the device, after the device is fixed, the operator can pull the connecting rod 21 by using the circular pull ring 26, drive the second limiting sheet 22 and the positioning rod 24 to move, at the same time, the second limiting sheet 22 compresses the reset spring 23, and the positioning rod 24 is separated from the positioning hole formed on the gear 9, at this time, the position of the annular frame 8 sleeved outside the base frame 1, the adjusting frame 2 and the cross bar 6 can be moved, and during the adjusting process, the gear 9 located in the first rectangular through hole will rotate with the movement of the annular frame 8 and cooperate with the rack 7, after the annular frame 8 reaches the expected position, the operator stops pulling the connecting rod 21, the reset spring 23 resets, drives the positioning rod 24 to re-insert into the positioning hole, and limits the gear 9, at this time, the position of the annular frame 8 is fixed and cannot be moved, so as to realize the position adjustment of the surrounding rock deformation monitoring sensor 14 and the annular frame 8.

[0038] Subsequently, the operator can rotate the rotating wheel 16 extending from the second rectangular through hole, thereby driving the adjusting screw 12 to rotate, so that the monitoring sensor 14 can be driven to extend out of the inside of the assembly box 10 through the transmission block 13, and the distance between the monitoring sensor 14 and the inner wall of the roadway can be adjusted, so that the outer end of the monitoring sensor 14 can be in contact with the inner wall of the roadway, and the deformation of the inner wall of the roadway can be monitored in the first time. The assembly box 10 is provided with a limiting slide rod 27 parallel to the adjusting screw 12 on one side of the inner wall, and the first limiting piece 15 is in sliding connection with the limiting slide rod 27, so as to increase the stability during the adjustment of the transmission block 13. The assembly box 10 is connected with the annular frame 8 through the connecting seat 11, and the operator can take down the assembly box 10 and perform maintenance operation on the monitoring sensor 14.

[0039] Finally, the technical scheme can realize synchronous and automatic deformation monitoring of surrounding rock in multiple key positions inside the rock mass roadway, the monitoring position is adjustable, the monitoring process is convenient and efficient, the monitoring area is large, the monitoring process is safe and reliable, and the number of devices can be adjusted according to the use requirement, so as to ensure the monitoring accuracy of the deformation of the surrounding rock inside the roadway.

[0040] The positioning anchor rod 25 is inserted into the inner side of the base frame 1, which is used to limit the position of the device and increase the stability during the operation of the device.

[0041] The connecting rod 21 is connected with the circular pull ring 26 on one side, which is convenient for the operator to pull the connecting rod 21.

[0042] The limiting slide rod 27 parallel to the adjusting screw 12 is arranged on one side of the inner wall of the assembly box 10, and the first limiting piece 15 is in sliding connection with the limiting slide rod 27, so as to increase the stability during the adjustment of the transmission block 13.

[0043] The connecting bolt is inserted into one side of the concave fixing block 17, penetrates through the I-shaped block 4 and is in threaded connection with the inner wall of the slotted strip, so as to ensure the tightness of the connection between the I-shaped block 4 and the base frame 1 and the adjusting frame 2.

[0044] The door-shaped protection frame 28 is connected with the annular frame 8 on one side through screws. Since the flying of stones is easy to occur during the construction in the roadway, the door-shaped protection frame 28 can protect the gear 9 and the connecting rod 21 and other components exposed to the inside of the device.

[0045] The adjusting frame 2, the base frame 1 and the horizontal rod 6 are provided with guide grooves on the front and rear sides, and the annular frame 8 is provided with fastening bolts 29 corresponding to the guide grooves in threaded connection on the two sides. The guide grooves are provided with a rough layer, which can increase the stability of the movement of the annular frame 8, and the fastening bolts 29 in cooperation with the rough layer can increase the stability after the fixation of the annular frame 8.

[0046] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A surrounding rock deformation monitoring device, comprising a chassis (1) and an adjusting frame (2) on the upper side of the chassis (1), characterized in that, The bottom frame (1) bottom front and back are provided with mobile wheels (3), the upper side of the bottom frame (1) and the inner wall of the lower side of the adjusting frame (2) are provided with a strip-shaped slot, the two sides of the strip-shaped slot are uniformly provided with limiting openings, the adjusting frame (2) and the bottom frame (1) are provided with an I-beam (4), the upper and lower sides of the I-beam (4) are inserted with the limiting openings, and the I-beam (4) is provided with a fixing assembly at the inserting position of the limiting openings; The upper side of the adjusting frame (2) is provided with an arc-shaped frame (5), the lower side of the arc-shaped frame (5) is inserted with the upper side of the adjusting frame (2), the upper side of the arc-shaped frame (5) is provided with a limiting slot, the limiting slot is inserted with a cross bar (6), the cross bar (6) is screw-connected with a connecting screw at the inserting position of the limiting slot, the connecting screw is also screw-connected at the inserting position of the lower side of the arc-shaped frame (5) and the upper side of the adjusting frame (2), the inner side of the bottom frame (1), the inner side of the adjusting frame (2) and the top of the cross bar (6) are embedded with a rack (7), the outer side of the bottom frame (1), the outer side of the adjusting frame (2) and the outer side of the cross bar (6) are all provided with a ring-shaped frame (8), the inner side of the ring-shaped frame (8) is provided with a first rectangular through hole, the first rectangular through hole is rotatably connected with a gear (9) engaged with the rack (7), a circle of positioning holes is uniformly arranged on the surface of the gear (9), positioning assemblies are arranged on the two sides of the first rectangular through hole, and a monitoring assembly is arranged on the outer side of the ring-shaped frame (8); The monitoring assembly comprises an assembling box (10), one side of the assembling box (10) is welded with a connecting seat (11), the upper and lower sides of the connecting seat (11) are connected with the outer side of the ring-shaped frame (8) through screws, one side inner wall of the assembling box (10) is rotatably connected with an adjusting screw rod (12) through a bearing, one end of the adjusting screw rod (12) is screw-connected with a transmission block (13), one side of the transmission block (13) is connected with a monitoring sensor (14), a first limiting piece (15) is arranged on the middle part of the transmission block (13), a circular through hole corresponding to the monitoring sensor is arranged on one side of the assembling box (10), the monitoring sensor (14) penetrates through the circular through hole and extends out from the inside of the assembling box (10), a rotating wheel (16) is arranged on the middle part of the adjusting screw rod (12), and a second rectangular through hole corresponding to the position of the rotating wheel (16) is arranged on the front side of the assembling box (10).

2. A device for monitoring deformation of surrounding rock according to claim 1, characterized in that The fixing assembly comprises a concave fixing block (17), dovetail grooves are arranged on the two sides of the adjusting frame (2) and the bottom frame (1), dovetail blocks corresponding to the dovetail grooves are arranged on the inner walls of the two sides of the concave fixing block (17), the inner side dovetail block of the concave fixing block (17) is inserted with the dovetail groove, a limiting rod (18) is inserted on one side of the concave fixing block (17), an external thread is arranged on one side of the limiting rod (18), and a connecting nut (19) is screw-connected at the external thread.

3. The device for monitoring deformation of surrounding rock according to claim 1, characterized in that, The positioning assembly comprises a fixed sheet (20) mounted on the inner side of the annular frame (8), a connecting rod (21) inserted in the middle part of the fixed sheet, a second limiting sheet (22) connected to one side of the connecting rod (21), a reset spring (23) sleeved on the outer side of the connecting rod (21), a positioning rod (24) corresponding to the positioning hole and connected to one side of the second limiting sheet (22), and the positioning rod (24) is inserted into the positioning hole.

4. The device for monitoring deformation of surrounding rock according to claim 1, characterized in that, The inner side of the chassis (1) is inserted with a positioning anchor rod (25).

5. The device for monitoring deformation of surrounding rock according to claim 3, characterized in that, One side of the connecting rod (21) is connected with a circular pull ring (26).

6. The device for monitoring deformation of surrounding rock according to claim 1, characterized in that, The inner wall of one side of the assembly box (10) is provided with a limiting sliding rod (27) parallel to the adjusting screw rod (12), and the first limiting sheet (15) is in sliding connection with the limiting sliding rod (27).

7. The device for monitoring deformation of surrounding rock according to claim 2, characterized in that, One side of the concave fixed block (17) is inserted with a connecting bolt, the connecting bolt penetrates through the I-shaped block (4) and is in threaded connection with the inner wall of the strip-shaped slotted groove.

8. The device for monitoring deformation of surrounding rock according to claim 1, characterized in that, One side of the annular frame (8) is connected with a door-shaped protection frame (28) through a screw.

9. The device for monitoring deformation of surrounding rock according to claim 1, characterized in that, The front and rear sides of the adjusting frame (2), the chassis (1) and the cross rod (6) are all provided with guide grooves, the two sides of the annular frame (8) are in threaded connection with fastening bolts (29) corresponding to the guide grooves, and the guide grooves are internally provided with a rough layer.

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