CN215674543U

CN215674543U - Top and bottom plate displacement sensor fixing base

Info

Publication number: CN215674543U
Application number: CN202121549497.4U
Authority: CN
Inventors: 张荣文; 宋成祥; 张航; 潘心栋; 孟凡龙; 蒋绪军
Original assignee: Shandong Guang'an Intelligent Technology Co ltd
Current assignee: Shandong Guang'an Intelligent Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-01-28
Anticipated expiration: 2031-07-08

Abstract

The utility model provides a top bottom plate displacement sensor unable adjustment base, includes connecting cylinder, fixed disk and ground connection foot rest, the connecting rod that top bottom plate displacement sensor lower extreme extends is connected to the connecting cylinder upper end, be provided with bulb portion up on the fixed disk perpendicularly, the connecting cylinder lower extreme rotates with bulb portion to be connected, the fixed disk edge rotates and is provided with several ground connection foot rest, the end of ground connection foot rest passes through the bolt fastening subaerial, be provided with the kinking wheel on the ground connection foot rest, be provided with the adjustment line on the kinking wheel, the section of thick bamboo wall outside of connecting cylinder is connected to the other end of adjustment line. The wire winding wheel is rotated to adjust the length of the adjusting wire between the grounding foot stand and the connecting cylinder, so that the orientation of the connecting cylinder can be adjusted, and the top bottom plate displacement sensor arranged on the fixed base is kept vertical. The ground foot rest rotates around the edge of the fixed disk and can be tightly attached to the ground at various angles, so that a top bottom plate displacement sensor can be arranged on a roadway bottom plate at any angle.

Description

Top and bottom plate displacement sensor fixing base

Technical Field

The utility model relates to the field of mine monitoring equipment, in particular to a top and bottom plate displacement sensor fixing base.

Background

The top and bottom plate displacement sensor is a special monitoring device for monitoring the relative movement of the top and bottom plate rock strata, and whether a mine disaster is about to occur or not can be predicted by monitoring the relative movement of the top and bottom plate rock strata.

The top plate and the bottom plate in the roadway of the coal mine are uneven, and the vertical distances between the top plate and the bottom plate at different positions are different. Top bottom plate displacement sensor needs perpendicular to ground when setting up, but because tunnel bottom plate is unsmooth, uses general integrative base in the market, wants perpendicular firm top bottom plate displacement sensor that sets up very difficult. If the ground of the bottom plate is changed in the later period, the top and bottom plate displacement sensors cannot be kept vertical, the top and bottom plate displacement sensors are required to be completely removed, and then the top and bottom plate displacement sensors are addressed and installed, so that manpower and material resources are wasted.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a top and bottom plate displacement sensor fixing base which comprises a plurality of grounding foot frames and a middle connecting cylinder, wherein a level gauge is arranged in the connecting cylinder, the grounding foot frames are connected with the middle connecting cylinder through an adjusting line, and the orientation of the connecting cylinder can be adjusted by adjusting the length of the connecting line. Consequently this unable adjustment base can be set for subaerial and make the connecting cylinder keep vertical in unevenness, and later stage if ground changes the regulation also very simple and convenient.

The technical scheme of the utility model is as follows:

Preferably, the rubber-coated steel wire rope is selected as the adjusting line, has strong bearing capacity, is not easy to corrode, and is suitable for being used in a roadway.

According to the fixing base for the top and bottom plate displacement sensor, the connecting cylinder comprises the connecting part at the upper end and the rotating part at the lower end, the connecting hole is formed in the middle of the connecting part, and the inner wall of the connecting hole is provided with threads which are in threaded connection with the connecting rod of the top and bottom plate displacement sensor.

Further, the connecting hole includes the blind hole, the inside bottom of connecting hole is provided with the spirit level. Whether the connecting cylinder is adjusted to the vertical state or not can be directly and conveniently known through the level gauge.

Further, the rotating part comprises a ball cavity and a ball cover, the ball cavity is arranged with an opening facing downwards, threads are arranged on the inner side wall of the ball cavity and can be in threaded connection with the ball cover, a ball hole is arranged in the middle of the ball cover, and the ball hole can accommodate the insertion of the ball part.

Furthermore, the top shape of the ball head cavity comprises a dome shape, so that the contact area between the ball head part and the top of the ball head cavity is increased, the resistance of the ball head part in the movement of the ball head cavity is increased, and the phenomenon that the resistance is too small and the ball head part is not easy to fix is avoided.

According to the fixing base for the top and bottom plate displacement sensor, the fixing disc comprises the chassis, the ball head portion comprises the ball head rod and the rotating ball, the ball head rod is vertically arranged in the middle of the chassis, and the ball head rod is connected with the rotating ball through threads, so that the ball head portion and the rotating portion are convenient to install and match. And the rotating ball is screwed off from the ball head rod, the ball head rod penetrates through a ball head hole of the ball head cover, the ball head cover is sleeved on the ball head rod, and the rotating ball is rotated to complete the assembly.

Furthermore, the diameter of the ball head rod is not larger than that of the ball head hole, and the diameter of the rotating ball is larger than that of the ball head hole, so that the rotating ball cannot be separated from the ball head cavity.

According to the fixed base of the top and bottom plate displacement sensor, the grounding foot rest comprises the fixed claws, the supporting frames and the first connecting lugs, the grounding foot rest is connected with the edge of the chassis of the fixed disc in a rotating mode through the first connecting lugs, the fixed claws, the supporting frames and the first connecting lugs are connected in sequence, and the fixed claws are provided with the fixing holes which vertically penetrate through the fixed claws. And punching holes at the relative positions of the fixing holes on the ground, penetrating expansion bolts into the fixing holes, and plugging the expansion bolts into the corresponding holes on the ground to be screwed tightly, so that the fixing of the grounding foot rest can be completed.

Furthermore, the winding wheel comprises a ratchet structure, the ratchet structure can enable the winding wheel to rotate only in one direction and cannot be reversed, and the winding wheel is rotatably arranged on the support frame.

Furthermore, the fixed claws are horizontally tightly attached to the ground, and the support frame is upwards turned by 0-90 degrees relative to the fixed claws. The floor of bottom surface is unsmooth in the tunnel, and the support frame upwards overturns, only lets the stationary dog contact ground, can reduce the topography right unable adjustment base's installation restriction.

Compared with the prior art, the utility model has the advantages that:

according to the top and bottom plate displacement sensor fixing base, the adjusting line is arranged between the grounding foot stool of the fixing base and the connecting cylinder for connection, and the direction of the connecting cylinder is adjusted by adjusting the length of the adjusting line, so that the connecting cylinder can be adjusted to be vertically upward no matter the fixing base is arranged on any complicated terrain. The connecting cylinder is internally provided with a level gauge, the current state of the connecting cylinder can be accurately and visually judged through the level gauge, and whether the connecting cylinder is adjusted to be completely vertical or not is judged. The support frame of the grounding foot rest is upwards overturned by a certain angle relative to the fixed claws, only the fixed claws are contacted with the ground, the contact area of the grounding foot rest and the ground is reduced, the fixed claws can be arranged only by flat ground with small area, and the applicability of the fixed base is improved.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

fig. 1 is a top view of a top-bottom plate displacement sensor mounting base according to embodiment 1;

FIG. 2 is a side view of a fixing base of a top-bottom plate displacement sensor according to embodiment 1;

FIG. 3 is a schematic view showing the mounting of a connecting cylinder and a fixing plate in embodiment 1;

FIG. 4 is a schematic view showing the structure of a fixing disk in embodiment 1;

FIG. 5 is a schematic view showing a structure of a connector barrel according to embodiment 1;

fig. 6 is a schematic structural view of a grounding leg in embodiment 1;

fig. 7 is a schematic view of the installation of the top and bottom plate displacement sensor and the fixed base in embodiment 1;

the components represented by the reference numerals in the figures are:

1. the device comprises a connecting cylinder, 11, a connecting part, 111, a connecting hole, 112, a level gauge, 12, a rotating part, 121, a ball head cavity, 122, a ball head cover, 123, a ball head hole, 2, a fixed disc, 21, a ball head part, 211, a rotating ball, 212, a ball head rod, 22, a chassis, 221, a second connecting lug, 3, a grounding foot rest, 31, a winding wheel, 32, a fixed claw, 33, a supporting frame, 34, a first connecting lug, 35, an adjusting wire, 4, a top bottom plate displacement sensor, 41 and a connecting rod.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

The directions "front and back", "left and right", etc. mentioned in the present invention are only used to express the relative positional relationship, and are not restricted by any specific directional references in practical application.

Example 1

Referring to fig. 1 and 2, a fixing base for a top-bottom plate displacement sensor comprises a connecting cylinder 1, a fixed disk 2 and a grounding foot rest 3, wherein the upper end of the connecting cylinder 1 is connected with a connecting rod 41 extending from the lower end of a top-bottom plate displacement sensor 4, an upward ball head 21 is vertically arranged on the fixed disk 2, the lower end of the connecting cylinder 1 is rotatably connected with the ball head 21, the edge of the fixed disk 2 is rotatably provided with 4 grounding foot rests 3 which are an upper frame, a lower frame, a left frame and a right frame respectively, the tail end of the grounding foot rest 3 is fixed on the ground through a bolt, the grounding foot rest 3 is provided with a wire winding wheel 31, the wire winding wheel 31 is provided with an adjusting wire 35, the other end of the adjusting wire 35 is connected with the outer side of the cylinder wall of the connecting cylinder 1, the front end of the wire winding wheel 31 penetrates through the grounding foot rest 3, and the front end of the wire winding wheel 31 is provided with a cross-shaped groove, the cross screwdriver is inserted into the groove to rotate, so that the wire winding wheel 31 can be rotated. The coiler 31 in this embodiment is a ratchet structure, which can make the coiler 31 rotate only in one direction, but not rotate reversely. The wire winding wheel 31 is rotated to adjust the length of the adjusting wire 35 between the grounding foot stand 3 and the connecting cylinder 1, so that the orientation of the connecting cylinder 1 can be adjusted, and the top and bottom plate displacement sensor 4 installed on the fixed base is kept vertical. The grounding foot rest 3 rotates around the edge of the fixed disc 2 and can be tightly attached to the ground at various angles, so that a top bottom plate displacement sensor 4 can be arranged on a roadway bottom plate at any angle.

Preferably, the adjusting line 35 is made of an encapsulated steel wire rope, and the encapsulated steel wire rope is high in bearing capacity, not prone to corrosion and suitable for being used in a roadway.

Referring to fig. 3-5, the connecting cylinder 1 includes an upper connecting portion 11 and a lower rotating portion 12, a connecting hole 111 is formed in the middle of the connecting portion 11, and threads are formed on the inner wall of the connecting hole 111 and are in threaded connection with the connecting rod 41 of the top-bottom plate displacement sensor 4.

Further, in this embodiment, the connection hole 111 is a blind hole, and a level 112 is disposed at the bottom end inside the connection hole 111. Whether the connecting cylinder 1 has been adjusted to the vertical state can be easily and directly known by the level gauge 112.

Preferably, the level 112 of the present embodiment is a round universal level bubble, a ring is drawn in the middle of the upper surface of the round universal level bubble, a circular casing is filled with liquid, a bubble exists in the liquid, the bubble can freely move in the casing under the action of gravity, and when the bubble is in the middle of the ring, the connecting cylinder 1 is adjusted to be in a completely vertical state.

Further, if it is described that the connection cylinder 1 is directed to the left when the bubble in the level 112 is directed to the right, the crossscrewdriver is used to rotate the wire winding wheel 31 provided on the left frame to extend the adjustment wire 35 wound on the wire winding wheel 31 of the left frame, and then the wire winding wheel 31 provided on the right frame is rotated in the reverse direction to shorten the adjustment wire 35 wound on the wire winding wheel 31 of the right frame, so that the connection cylinder 1 is rotated to the right until the bubble in the level 112 is located in the middle of the circular ring. When the air bubbles of the level 112 have other deviation, the connecting cylinder 1 can be kept vertical by rotating the winding wheels 31 of the upper frame, the lower frame, the left frame and the right frame as above.

Further, the rotating portion 12 includes a ball cavity 121 and a ball cap 122 that are opened downwards, the inner side wall of the ball cavity 121 is provided with threads, and can be connected with the ball cap 122 by the threads, a ball hole 123 is provided in the middle of the ball cap 122, and the ball hole 123 can accommodate the ball portion 21 to be inserted.

Further, the top of the ball head cavity 121 in this embodiment is in a dome shape, so that the contact area between the ball head 21 and the top of the ball head cavity 121 is increased, the resistance of the ball head 21 during movement in the ball head cavity 121 is increased, and the problem that the ball head 21 is not easily fixed due to too small resistance is avoided.

Further, the fixed disk 2 includes a chassis 22, the ball head portion 21 includes a ball head rod 212 and a rotating ball 211, the ball head rod 212 is vertically disposed in the middle of the chassis 22, and the ball head rod 212 is connected with the rotating ball 211 through threads, so that the ball head portion 21 and the rotating portion 12 are conveniently mounted and matched. The rotating ball 211 is unscrewed from the ball rod 212, the ball rod 212 passes through the ball head hole 123 of the ball head cover 122, the ball head cover 122 is sleeved on the ball rod 212, and then the rotating ball 211 is rotated to complete the assembly.

Further, the diameter of the ball stud 212 is not greater than the diameter of the ball hole 123, and the diameter of the rotating ball 211 is greater than the diameter of the ball hole 123, so that the rotating ball 211 cannot fall out of the ball cavity 121.

Referring to fig. 6, the ground foot rest 3 includes a fixing claw 32, a supporting frame 33 and a first connecting lug 34, a second connecting lug 221 is disposed at a position where the edge of the chassis 22 of the fixing plate 2 contacts the first connecting lug 34, through holes are disposed at positions opposite to the first connecting lug 34 and the second connecting lug 221, a connecting member is passed through the middle of the connecting member, so that the first connecting lug 34 is rotatably connected to the second connecting lug 221, the fixing claw 32, the supporting frame 33 and the first connecting lug 34 are sequentially connected, and a fixing hole vertically penetrating is disposed on the fixing claw 32. And punching holes at the relative positions of the fixing holes on the ground, penetrating expansion bolts into the fixing holes, and plugging the expansion bolts into the corresponding holes on the ground to be screwed tightly, so that the fixing of the grounding foot rest 3 can be completed.

Further, the wire winding wheel 31 is rotatably arranged on the support frame 33, and the front end of the wire winding wheel 31 penetrates through the side surface of the support frame 33.

Further, the fixed claw 32 is horizontally attached to the ground, and the supporting frame 33 in this embodiment is turned over 9 degrees upwards relative to the fixed claw 32. The floor of bottom surface is unsmooth in the tunnel, and support frame 33 upwards overturns, only lets clamping jaw 32 contact ground, can reduce the topography right unable adjustment base's installation restriction.

Referring to fig. 7, when the fixing base of the top and bottom plate displacement sensor 4 is used for installation, 4 holes which are arranged in a rectangular shape are drilled on the ground, and the distance from each hole to the center of the rectangular shape is equal to the distance from the fixing hole of the grounding foot stool 3 to the circle center of the connecting cylinder 1. Then 4 expansion bolts are used to pass through the fixing holes and the holes on the ground, and 4 ground foot stands 3 are fixed on the ground. Then observing whether the bubbles in the level meter 112 are in the middle of the circular ring, if not, rotating the winding wheels 31 of the upper frame, the lower frame, the left frame and the right frame, adjusting the length of the adjusting wire 35 wound on the winding wheels 31, and returning the bubbles in the level meter 112 to the middle of the circular ring to keep the connecting cylinder 1 vertical. Finally, the connecting rod 41 of the top and bottom plate displacement sensor 4 is screwed into the connecting hole 111 of the connecting cylinder 1, and the installation can be completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or additions or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a top plate displacement sensor unable adjustment base, its characterized in that, includes connecting cylinder (1), fixed disk (2) and ground connection foot rest (3), the connecting rod that top plate displacement sensor lower extreme extends is connected to the connecting cylinder upper end, be provided with bulb portion (21) up on fixed disk (2) perpendicularly, connecting cylinder (1) lower extreme rotates with bulb portion (21) and is connected, fixed disk (2) edge rotation is provided with several ground connection foot rest (3), the end of ground connection foot rest (3) is through the bolt fastening subaerial, be provided with kinking wheel (31) on ground connection foot rest (3), be provided with adjustment line (35) on kinking wheel (31), the section of thick bamboo wall outside of connecting cylinder (1) is connected to the other end of adjustment line (35).

2. The fixing base for the top and bottom plate displacement sensor according to claim 1, wherein the connecting cylinder (1) comprises a connecting part (11) at the upper end and a rotating part (12) at the lower end, a connecting hole (111) is formed in the middle of the connecting part (11), and threads are formed on the inner wall of the connecting hole (111) and are in threaded connection with the connecting rod of the top and bottom plate displacement sensor.

3. The fixing base of the top-bottom plate displacement sensor as claimed in claim 2, wherein the connecting hole (111) comprises a blind hole, and the inner bottom end of the connecting hole (111) is provided with a level gauge (112).

4. The fixed base of the top-bottom plate displacement sensor as claimed in claim 3, wherein the rotating part (12) comprises a ball cavity (121) and a ball cover (122) which are open downwards, the inner side wall of the ball cavity (121) is provided with screw threads which can be connected with the ball cover (122) in a screw thread manner, and the ball cover is provided with a ball hole (123) in the middle.

5. A top-bottom plate displacement sensor mount according to claim 4 wherein the top shape of the ball cavity (121) comprises a dome shape.

6. The top-bottom plate displacement sensor fixing base as claimed in claim 1, wherein the fixing plate (2) comprises a bottom plate (22), the ball head part (21) comprises a ball head rod (211) and a rotating ball (212), the ball head rod (211) is vertically arranged in the middle of the bottom plate (22), and the ball head rod (211) is connected with the rotating ball (212) through threads.

7. A top and bottom plate displacement transducer mounting base as claimed in claim 6, wherein the diameter of the ball stud (211) is no greater than the diameter of the ball bore (123), and the diameter of the rotating ball (212) is greater than the diameter of the ball bore (123).

8. The fixed base of the top-bottom plate displacement sensor according to claim 1, wherein the grounding foot rest (3) comprises a fixed claw (32), a support frame (33) and a first connecting lug (34), the grounding foot rest (3) is rotatably connected with the edge of the chassis (22) of the fixed plate (2) through the first connecting lug (34), the fixed claw (32), the support frame (33) and the first connecting lug (34) are sequentially connected, and a fixing hole (321) vertically penetrating is formed in the fixed claw (32).

9. The top-bottom plate displacement sensor fixing base as claimed in claim 8, wherein the wire winding wheel (31) comprises a ratchet structure, and the wire winding wheel (31) is rotatably arranged on the support frame (33).

10. The fixing base of the top-bottom plate displacement sensor as claimed in claim 9, wherein the fixing claw (32) is horizontally attached to the ground, and the supporting frame (33) is turned upwards by 0-90 degrees relative to the fixing claw.