阅读说明：本技术 一种地基基础工程用施工层厚度检测装置 (Construction layer thickness detection device for foundation engineering ) 是由 王照兮 唐勇 伍鹏 唐渊 于 2020-10-20 设计创作，主要内容包括：本发明涉及地基基础工程技术领域,尤其为一种地基基础工程用施工层厚度检测装置,包括检测架体、双向传动机构和厚度检测机构,所述厚度检测机构包括升降座、施工层顶面放置块、齿槽测针、动力座、第二电机、螺纹传动杆和全齿轮,所述升降座的底端固定连接有施工层顶面放置块,所述升降座与施工层顶面放置块的内侧滑动连接有齿槽测针,所述升降座的内侧滑动连接有动力座,本发明中,通过设置的厚度检测机构,可以通过动力座的滑动,实现厚度检测机构的升降与齿槽测针的升降之间的切换,从而保证施工层顶面放置块完全与施工层顶面接触,齿槽测针在插入施工层内侧后的测量数值更加准确。(The invention relates to the technical field of foundation engineering, in particular to a construction layer thickness detection device for foundation engineering, which comprises a detection frame body, a bidirectional transmission mechanism and a thickness detection mechanism, the thickness detection mechanism comprises a lifting seat, a construction layer top surface placing block, a tooth socket measuring pin, a power seat, a second motor, a threaded transmission rod and a full gear, the bottom end of the lifting seat is fixedly connected with a construction layer top surface placing block, the lifting seat and the inner side of the construction layer top surface placing block are connected with a tooth socket measuring pin in a sliding way, the inner side of the lifting seat is connected with a power seat in a sliding way, in the invention, through the arranged thickness detection mechanism, the switching between the lifting of the thickness detection mechanism and the lifting of the tooth socket measuring pin can be realized through the sliding of the power seat, therefore, the top surface placing block of the construction layer is ensured to be completely contacted with the top surface of the construction layer, and the measuring value of the tooth socket measuring pin inserted into the inner side of the construction layer is more accurate.)

1. The utility model provides a foundation engineering is with construction layer thickness detection device, is including detecting support body (1), two-way drive mechanism (3) and thickness detection mechanism (4), its characterized in that: the right end of the detection frame body (1) positioned on the right side is fixedly connected with a controller (5), the left end of the detection frame body (1) positioned on the left side and the right end of the detection frame body (1) positioned on the right side are respectively provided with a positioning support mechanism (2), the positioning support mechanisms (2) comprise a rotating support plate (201), a circular groove frame (202), a rotating bearing (203), a threaded sleeve (204), a threaded inserted rod (205), a rotating rod (206) and an internal thread block (207), a bidirectional transmission mechanism (3) is fixedly connected between the detection frame bodies (1) positioned on the left side and the right side, the bidirectional transmission mechanism (3) comprises an upper guide rail (301), a lower guide rail (302), a first motor (303), a screw rod (304), a driving bevel gear (305), a transmission bevel gear (306), a sliding block (307) and a trapezoidal fixture block (308), the upper guide rail (301) and the lower guide rail (302) are arranged from top to bottom, the inner sides of the upper guide rail (301) and the lower guide rail (302) are both connected with sliding rings (6) in a sliding manner, a fixed guide rod (7) and a positioning screw rod (8) are fixedly connected between the sliding rings (6) positioned at the upper side and the lower side, the thickness detection mechanism (4) comprises a lifting seat (401), a construction layer top surface placing block (402), a tooth socket measuring pin (403), an electro-hydraulic push rod (404), a power seat (405), a second motor (406), a threaded transmission rod (407), a full gear (408), a full-tooth ring (409), a friction block (410) and a second spring (411), the bottom end of the lifting seat (401) is fixedly connected with the construction layer top surface placing block (402), the lifting seat (401) and the inner side of the construction layer top surface placing block (402) are connected with the tooth socket measuring pin (403) in a sliding manner, and the inner side of the lifting seat (401) is connected with the power seat (405) in a sliding manner, the left end fixedly connected with electricity liquid push rod (404) of power seat (405), electricity liquid push rod (404) fixed connection is in the inboard of lift seat (401), the inboard fixedly connected with second motor (406) in bottom of power seat (405), the terminal fixedly connected with screw thread transfer line (407) of main shaft of second motor (406), the top fixedly connected with full gear (408) of screw thread transfer line (407), the inboard of lift seat (401) is rotated and is connected with full ring gear (409), full ring gear (409) set up in the outside of positioning screw (8), and full ring gear (409) and positioning screw (8) screw thread are closed and are connected.

2. The construction layer thickness detection device for foundation engineering according to claim 1, characterized in that: tooth grooves are formed in the inner side of the right end of the tooth groove measuring pin (403), the left end of the threaded transmission rod (407) is meshed with the tooth groove measuring pin (403) through the tooth grooves, the height positions of the full-tooth ring (409) and the full-tooth ring (408) are the same, and the full-tooth ring (408) and the full-tooth ring (409) are meshed with each other.

3. The construction layer thickness detection device for foundation engineering according to claim 1, characterized in that: the inboard sliding connection of lift seat (401) has clutch blocks (410), the right-hand member setting of clutch blocks (410) is in the inboard of tooth's socket survey needle (403), the left end fixedly connected with second spring (411) of clutch blocks (410), second spring (411) fixed connection is in the inboard of lift seat (401).

4. The construction layer thickness detection device for foundation engineering according to claim 1, characterized in that: the inner side of the detection frame body (1) is fixedly connected with a first motor (303), the tail end of a main shaft of the first motor (303) is fixedly connected with a screw rod (304), the screw rod (304) is distributed on the inner side of the upper guide rail (301) in a bilateral symmetry manner, the screw rod (304) is arranged on the inner side of a sliding ring (6) above the screw rod in a penetrating manner, a transmission bevel gear (306) is connected with the sliding ring (6) above the screw rod in a threaded manner, the transmission bevel gear is arranged on the left side, the right end of the screw rod (304) on the left side and the left end of the screw rod (304) on the right side are fixedly connected with a driving bevel gear (305), and the driving bevel gear (305) is arranged on the inner side of the upper guide rail (301).

5. The construction layer thickness detection device for foundation engineering according to claim 4, characterized in that: the bottom end of the driving bevel gear (305) is meshed with a transmission bevel gear (306), the bottom end of the transmission bevel gear (306) is rotatably connected with a sliding block (307), the sliding block (307) is slidably connected to the inner side of the bottom end of the upper guide rail (301), the left end and the right end of the sliding block (307) are respectively provided with a trapezoidal clamping block (308), the trapezoidal clamping block (308) is slidably connected to the inner side of the upper guide rail (301), the left end of the trapezoidal clamping block (308) located on the left side and the right end of the trapezoidal clamping block (308) located on the right side are respectively and fixedly connected with a first spring (309), and the first spring (309) is fixedly connected to the inner side of the upper guide rail (301).

6. The construction layer thickness detection device for foundation engineering according to claim 1, characterized in that: the rotary support plate (201) is rotatably connected to one side of the detection frame body (1), the bottom end of the rotary support plate (201) is rotatably connected with a circular groove frame (202), a rotary bearing (203) is fixedly connected to the inner side of the circular groove frame (202), the inner wall face of the rotary bearing (203) is rotatably connected with a threaded sleeve (204), and the inner side thread of the threaded sleeve (204) is rotatably connected with a threaded inserted rod (205).

7. The construction layer thickness detection device for foundation engineering according to claim 1, characterized in that: the inboard of rotating extension board (201) is rotated and is connected with dwang (206), the other end fixedly connected with internal thread piece (207) of dwang (206), internal thread piece (207) inboard is connected with screw inserted bar (205) screw thread closure through the thread groove.

8. The construction layer thickness detection device for foundation engineering according to claim 1, characterized in that: the thickness detection mechanism is characterized in that the fixed guide rod (7) and the positioning screw rod (8) are arranged between the sliding rings (6) on the upper side and the lower side in a left-right mode, the thickness detection mechanism (4) is arranged on the outer sides of the fixed guide rod (7) and the positioning screw rod (8), and the fixed guide rod (7) is connected with the thickness detection mechanism (4) in a sliding mode.

Technical Field

The invention relates to the technical field of foundation engineering, in particular to a construction layer thickness detection device for foundation engineering.

Background

In foundation engineering construction, construction projects such as underground diaphragm walls, bored piles and the like which need underwater grooving or hole forming are inevitably encountered, and in the construction process, the underwater soil body is excavated and cut, so that sediments are inevitably generated in the grooves and holes of a construction layer, and the sediments are sediments which are not taken away by circulating mud and are left by sedimentation or hole collapse in the drilling and hole cleaning processes, and are generally coarse particles.

When the thickness of the existing construction layer is detected, the thickness of the sediment between the groove and the hole at a single position can only be detected, the detection effect is not accurate, the detection device is large in mass, the detection device cannot be moved and installed well when in use, time and labor are wasted, and the measurement is not accurate due to autonomous movement of the device, so that the construction layer thickness detection device for foundation engineering is provided aiming at the problems.

Disclosure of Invention

The invention aims to provide a construction layer thickness detection device for foundation engineering, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a construction layer thickness detection device for foundation engineering comprises a detection frame body, a bidirectional transmission mechanism and a thickness detection mechanism, wherein the right end of the detection frame body positioned on the right side is fixedly connected with a controller, the left end of the detection frame body positioned on the left side and the right end of the detection frame body positioned on the right side are both provided with a positioning support mechanism, the positioning support mechanism comprises a rotating support plate, a circular groove frame, a rotating bearing, a threaded sleeve, a threaded insert rod, a rotating rod and an internal threaded block, the bidirectional transmission mechanism is fixedly connected between the detection frame bodies positioned on the left side and the right side, the bidirectional transmission mechanism comprises an upper guide rail, a lower guide rail, a first motor, a lead screw, a driving bevel gear, a transmission bevel gear, a sliding block and a trapezoidal clamping block, the upper guide rail and the lower guide rail are arranged up and down, the inner sides of the upper guide rail and the lower guide rail are both slidably connected with sliding rings, and the fixed guide rod and the positioning screw are fixedly connected between the sliding rings positioned on the upper side and the lower side, the thickness detection mechanism comprises a lifting seat, a construction layer top surface placing block, a tooth socket measuring pin, an electro-hydraulic push rod, a power seat, a second motor, a thread transmission rod, a full gear, a full toothed ring, a friction block and a second spring, wherein the bottom end of the lifting seat is fixedly connected with the construction layer top surface placing block, the lifting seat and the inner side of the construction layer top surface placing block are slidably connected with the tooth socket measuring pin, the inner side of the lifting seat is slidably connected with the power seat, the left end of the power seat is fixedly connected with the electro-hydraulic push rod, the electro-hydraulic push rod is fixedly connected with the inner side of the lifting seat, the bottom end inner side of the power seat is fixedly connected with the second motor, the tail end of a main shaft of the second motor is fixedly connected with the thread transmission rod, the top end of the thread transmission rod is fixedly connected with the full gear, the inner side of the lifting seat is rotatably connected with the full toothed ring, and the full toothed ring is arranged on the outer side of the positioning screw rod, and the full-tooth ring is in threaded connection with the positioning screw.

Preferably, a tooth socket is formed in the inner side of the right end of the tooth socket measuring pin, the left end of the threaded transmission rod is meshed with the tooth socket measuring pin through the tooth socket, the height positions of the full-tooth ring and the full-tooth ring are the same, and the full-tooth ring are meshed with each other.

Preferably, the inner side of the lifting seat is connected with a friction block in a sliding mode, the right end of the friction block is arranged on the inner side of the tooth socket measuring needle, the left end of the friction block is fixedly connected with a second spring, and the second spring is fixedly connected to the inner side of the lifting seat.

Preferably, the inner side of the detection frame body is fixedly connected with a first motor, the tail end of a spindle of the first motor is fixedly connected with a screw rod, the screw rod is distributed on the inner side of the upper guide rail in a bilateral symmetry mode, the screw rod penetrates through the inner side of a sliding ring located above, a transmission bevel gear is connected with the sliding ring located above in a threaded screwing mode, the right end of the screw rod located on the left side and the left end of the screw rod located on the right side are fixedly connected with a driving bevel gear, and the driving bevel gear is arranged on the inner side of the upper guide rail.

Preferably, the bottom end of the driving bevel gear is meshed with a transmission bevel gear, the bottom end of the transmission bevel gear is rotatably connected with a sliding block, the sliding block is slidably connected to the inner side of the bottom end of the upper guide rail, trapezoidal clamping blocks are arranged at the left end and the right end of the sliding block respectively, the trapezoidal clamping blocks are slidably connected to the inner side of the upper guide rail, first springs are fixedly connected to the left end of the trapezoidal clamping block located on the left side and the right end of the trapezoidal clamping block located on the right side, and the first springs are fixedly connected to the inner side of the upper guide rail.

Preferably, the rotating support plate is rotatably connected to one side of the detection frame body, a circular groove frame is rotatably connected to the bottom end of the rotating support plate, a rotating bearing is fixedly connected to the inner side of the circular groove frame, a threaded sleeve is rotatably connected to the inner wall surface of the rotating bearing, and a threaded inserted rod is rotatably connected to the inner side of the threaded sleeve in a threaded manner.

Preferably, the inner side of the rotating support plate is rotatably connected with a rotating rod, the other end of the rotating rod is fixedly connected with an inner thread block, and the inner thread block is connected with a thread inserted rod in a threaded manner through a thread groove.

Preferably, the fixed guide rod and the positioning screw rod are arranged between the sliding rings on the upper side and the lower side in a left-right mode, the thickness detection mechanism is arranged on the outer sides of the fixed guide rod and the positioning screw rod, and the fixed guide rod is connected with the thickness detection mechanism in a sliding mode.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arranged thickness detection mechanism, the fixed guide rod and the positioning screw rod, the full gear is meshed with the full gear ring or the threaded transmission rod is meshed with the tooth socket measuring probe through the sliding of the power seat, so that the switching between the lifting of the thickness detection mechanism and the lifting of the tooth socket measuring probe is realized, the top surface placing block of the construction layer is ensured to be completely contacted with the top surface of the construction layer, and the measured value of the tooth socket measuring probe after being inserted into the inner side of the construction layer is more accurate;

2. in the invention, the thickness detection mechanisms on the left side and the right side can be driven by the arranged bidirectional transmission mechanisms, so that the thickness of the construction layer at different positions can be conveniently detected, and the screw rods on the left side and the right side can synchronously rotate by the transmission of the transmission bevel gear, so that the thickness detection mechanisms on the left side and the right side can synchronously and symmetrically move in the movement process, and the thickness detection mechanisms can conveniently detect the thickness of the construction layer;

3. according to the invention, through the arrangement of the positioning support mechanism, the threaded inserted rod can be inserted into the ground or the inner side of the construction layer from different angles, so that the detection frame body is installed and supported, the detection frame body is more stable, and the deviation phenomenon caused by the movement of the detection frame body when the thickness of the construction layer is detected is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 at point A according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the internal structure of the thickness detecting mechanism according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 at point C in accordance with the present invention;

FIG. 6 is a schematic structural view of a power base according to the present invention;

FIG. 7 is a side view of the pivot plate of the present invention;

FIG. 8 is a schematic structural diagram of a trapezoidal fixture block according to the present invention.

In the figure: 1-a detection frame body, 2-a positioning support mechanism, 201-a rotating support plate, 202-a circular groove frame, 203-a rotating bearing, 204-a threaded sleeve, 205-a threaded inserted rod, 206-a rotating rod, 207-an internal thread block, 3-a bidirectional transmission mechanism, 301-an upper guide rail, 302-a lower guide rail, 303-a first motor, 304-a lead screw, 305-a driving bevel gear, 306-a transmission bevel gear, 307-a sliding block, 308-a trapezoidal fixture block, 309-a first spring, 4-a thickness detection mechanism, 401-a lifting seat, 402-a construction layer top surface placing block, 403-a tooth socket measuring needle, 404-an electro-hydraulic push rod, 405-a power seat, 406-a second motor, 407-a threaded transmission rod, 408-an all gear, 409-an all-tooth ring, 410-a friction block, 411-a second spring, 5-a controller, 6-a sliding ring, 7-a fixed guide rod and 8-a positioning screw rod.

Detailed Description

Example 1:

referring to fig. 1-8, the present invention provides a technical solution:

a construction layer thickness detection device for foundation engineering comprises a detection frame body 1, a bidirectional transmission mechanism 3 and a thickness detection mechanism 4, wherein the right end of the detection frame body 1 positioned on the right side is fixedly connected with a controller 5, the controller 5 is used for controlling electrical appliances, the left end of the detection frame body 1 positioned on the left side and the right end of the detection frame body 1 positioned on the right side are respectively provided with a positioning support mechanism 2, the positioning support mechanisms 2 comprise a rotating support plate 201, a circular groove frame 202, a rotating bearing 203, a threaded sleeve 204, a threaded inserted rod 205, a rotating rod 206 and an internal thread block 207, the bidirectional transmission mechanism 3 is fixedly connected between the detection frame bodies 1 positioned on the left side and the right side, the bidirectional transmission mechanism 3 comprises an upper guide rail 301, a lower guide rail 302, a first motor 303, a lead screw 304, a driving bevel gear 305, a transmission bevel gear 306, a sliding block 307 and a trapezoidal clamping block 308, the upper guide rail 301 and the lower guide rail 302 are arranged up and down, the inner sides of the upper guide rail 301 and the lower guide rail 302 are both connected with a sliding ring 6 in a sliding manner, a fixed guide rod 7 and a positioning screw 8 are fixedly connected between the sliding rings 6 positioned at the upper side and the lower side, the arrangement fixes the fixed guide rod 7 and the positioning screw 8 through the sliding rings 6, the thickness detection mechanism 4 comprises a lifting seat 401, a construction layer top surface placing block 402, a tooth socket measuring needle 403, an electro-hydraulic push rod 404, a power seat 405, a second motor 406, a threaded transmission rod 407, a full gear 408, a full gear ring 409, a friction block 410 and a second spring 411, the bottom end of the lifting seat 401 is fixedly connected with the construction layer top surface placing block 402, the lifting seat 401 and the inner side of the construction layer top surface placing block 402 are connected with the tooth socket measuring needle 403 in a sliding manner, the arrangement is inserted into the inner side of the construction layer through the tooth socket measuring needle 403 to realize the thickness detection of the construction layer, the inner side of the lifting seat 401 is connected with the power seat 405 in a sliding manner, the left end of the power seat 405 is fixedly connected with the electro-hydraulic push rod 404, the electric hydraulic push rod 404 is fixedly connected to the inner side of the lifting seat 401, the electric hydraulic push rod 404 can drive the power seat 405 to slide left and right through the electric hydraulic push rod 404, the second motor 406 is fixedly connected to the inner side of the bottom end of the power seat 405, the threaded transmission rod 407 is fixedly connected to the tail end of the spindle of the second motor 406, the full gear 408 is fixedly connected to the top end of the threaded transmission rod 407, the threaded transmission rod 407 and the full gear 408 are driven to rotate through the second motor 406, the inner side of the lifting seat 401 is rotatably connected with the full-tooth ring 409, the full-tooth ring 409 is arranged on the outer side of the positioning screw rod 8, and the full-tooth ring 409 is in threaded connection with the positioning screw rod 8.

The right end of the tooth socket measuring pin 403 is provided with a tooth socket on the inner side, the left end of the threaded transmission rod 407 is meshed with the tooth socket measuring pin 403 through the tooth socket, the height positions of the full-tooth ring 409 and the full-tooth gear 408 are the same, the full-tooth gear 408 is meshed with the full-tooth ring 409, the tooth socket measuring pin 403 can be driven to slide up and down through the meshing of the threaded transmission rod 407 and the tooth socket measuring pin 403, and the full-tooth ring 409 can be driven to rotate through the full-tooth gear 408; the inner side of the lifting seat 401 is slidably connected with a friction block 410, the right end of the friction block 410 is arranged on the inner side of the gullet measuring needle 403, the left end of the friction block 410 is fixedly connected with a second spring 411, the second spring 411 is fixedly connected to the inner side of the lifting seat 401, and the friction block 410 can be attached to the gullet measuring needle 403 through the elasticity of the second spring 411 to the friction block 410, so that the gullet measuring needle 403 can be positioned on the inner side of the lifting seat 401 and the construction layer top surface placing block 402; the inner side of the detection frame body 1 is fixedly connected with a first motor 303, the tail end of a main shaft of the first motor 303 is fixedly connected with a screw rod 304, the screw rods 304 are distributed on the inner side of the upper guide rail 301 in a bilateral symmetry manner, the screw rod 304 penetrates through the inner side of the sliding ring 6 positioned above, a transmission bevel gear 306 is in threaded screwing connection with the sliding ring 6 positioned above, the right end of the screw rod 304 positioned on the left side and the left end of the screw rod 304 positioned on the right side are both fixedly connected with a driving bevel gear 305, the driving bevel gear 305 is arranged on the inner side of the upper guide rail 301, the first motor 303 drives the screw rod 304 to rotate, and the screw rod 304 drives the driving bevel gear 305 to rotate; the bottom end of the drive bevel gear 305 is engaged with a drive bevel gear 306, the bottom end of the drive bevel gear 306 is rotatably connected with a sliding block 307, the sliding block 307 is slidably connected to the inner side of the bottom end of the upper guide rail 301, the left end and the right end of the sliding block 307 are respectively provided with a trapezoidal fixture block 308, the trapezoidal fixture blocks 308 are slidably connected to the inner side of the upper guide rail 301, the left end of the trapezoidal fixture block 308 positioned on the left side and the right end of the trapezoidal fixture block 308 positioned on the right side are respectively fixedly connected with a first spring 309, and the first spring 309 is fixedly connected to the inner side of the upper guide rail 301; the rotating support plate 201 is rotatably connected to one side of the detection frame body 1, the bottom end of the rotating support plate 201 is rotatably connected with a circular groove frame 202, the inner side of the circular groove frame 202 is fixedly connected with a rotating bearing 203, the inner wall surface of the rotating bearing 203 is rotatably connected with a threaded sleeve 204, the inner side of the threaded sleeve 204 is in threaded connection with a threaded inserted rod 205 in a screwing mode, the bottom end of the threaded inserted rod 205 can be inserted into the ground or a construction layer through the sliding of the threaded inserted rod 205 on the inner side of the threaded sleeve 204, and the threaded inserted rod 205 can freely rotate through the rotating bearing 203 and the threaded sleeve 204; the rotating rod 206 is rotatably connected to the inner side of the rotating support plate 201, the inner thread block 207 is fixedly connected to the other end of the rotating rod 206, the inner side of the inner thread block 207 is in threaded screwing connection with the threaded insert rod 205 through a thread groove, the threaded insert rod 205 is limited in position through the threaded screwing connection of the inner thread block 207 and the threaded insert rod 205, the threaded insert rod 205 is kept vertical, and therefore the threaded insert rod 205 is prevented from driving the threaded sleeve 204 to rotate due to self gravity and affecting the movement of the detection frame body 1; the fixed guide rod 7 and the positioning screw rod 8 are arranged between the sliding rings 6 on the upper side and the lower side on the left and right sides, the thickness detection mechanism 4 is arranged on the outer sides of the fixed guide rod 7 and the positioning screw rod 8, the fixed guide rod 7 is in sliding connection with the thickness detection mechanism 4, and the movement of the thickness detection mechanism 4 is limited through the fixed guide rod 7, so that the thickness detection mechanism 4 can only move up and down.

The working process is as follows: before the device is used, power is supplied by an external power supply, the device is controlled by a controller 5, the device moves to the position above a construction layer to be measured through a roller at the bottom of a detection frame body 1, then a rotating rod 206 is rotated to enable an inner thread block 207 not to be screwed with a thread insert rod 205, a rotating support plate 201 is rotated to enable the angle and the height of a circular groove frame 202 to be freely adjusted, the thread insert rod 205 is enabled to move downwards on the inner side of the thread insert rod 204 by fixing and rotating the thread insert rod 205 through a thread sleeve 204, the thread insert rod 204 can rotate through a rotating bearing 203, the angle of the thread insert rod 205 can be driven by the thread sleeve 204 to be adjusted until the bottom end of the thread insert rod 205 can be inserted into construction surfaces or the ground at different positions, so as to realize the installation and the support of the detection frame body 1, an electro-hydraulic push rod 404 is started to enable the electro-hydraulic push rod 404 to drive a power seat 405 to slide rightwards, until the full gear 408 is meshed with the full-tooth ring 409, then the second motor 406 is started, the second motor 406 drives the threaded transmission rod 407 to rotate with the full gear 408, the full gear 408 drives the full-tooth ring 409 to rotate through meshing with the full-tooth ring 409 after rotating, the full-tooth ring 409 can be screwed with the threads of the positioning screw rod 8 after rotating, the full-tooth ring 409 moves up and down on the outer side of the positioning screw rod 8, the lifting seat 401 moves up and down under the limit of the fixed guide rod 7 on the lifting seat 401, then the top surface placing block 402 of the construction layer is contacted with the top surface of the construction layer, then the electro-hydraulic push rod 404 is started to extend, the electro-hydraulic push rod 404 drives the power seat 405 to slide leftwards until the threaded transmission rod 407 is meshed with the tooth socket on the inner side of the tooth socket probe 403, at the moment, the rotation of the threaded transmission rod 407 can drive the tooth socket 403 to move downwards, and the bottom end of the tooth socket 403 extends out of the bottom end of the top surface placing block 402 of the construction layer, the depth of the tooth socket measuring pin 403 inserted into the inner side of the construction layer is used for detecting the thickness of the construction layer, when the positions of the thickness detection mechanisms 4 on the left side and the right side need to be synchronously adjusted, the first motors 303 on the left side and the right side are started to synchronously rotate, the drive bevel gears 305 on the left side and the right side are synchronously rotated under the transmission of the drive bevel gear 306, so that the screw rods 304 on the left side and the right side synchronously rotate, the sliding rings 6 positioned above can be driven by the rotation of the screw rods 304 to slide on the inner sides of the upper guide rails 301, the positions of the thickness detection mechanisms 4 on the left side and the right side can be synchronously adjusted, and the thickness detection of the construction layers at different positions is facilitated.

Example 2:

referring to fig. 1-8, the present invention provides a technical solution:

the invention provides a construction layer thickness detection device for foundation engineering, and parts in embodiment 2 which are the same as those in embodiment 1 are not described in detail in the invention, and the difference is in a working flow.

The working process is as follows: when the construction layers at different positions need to be detected, and the detection positions do not correspond, the sliding block 307 can be slid, so that the sliding block 307 is not clamped by the trapezoidal clamping block 308 any more, at the moment, the sliding block 307 drives the transmission bevel gear 306 to move, the transmission bevel gear 306 is not connected with the drive bevel gears 305 on the left side and the right side any more, different control can be performed on the first motors 303 on the left side and the right side, the first motors 303 drive the screw rods 304 on the left side and the right side to rotate in different modes, the positions of the sliding rings 6 above the screw rods 304 are driven to change, the sliding rings 6 drive the thickness detection mechanisms 4 to reach different positions, and thickness measurement can be performed on the construction layers at different positions conveniently.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.