CN217029020U - Support device attached to roadway roof and used for lifting frame - Google Patents
Support device attached to roadway roof and used for lifting frame Download PDFInfo
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- CN217029020U CN217029020U CN202220629666.3U CN202220629666U CN217029020U CN 217029020 U CN217029020 U CN 217029020U CN 202220629666 U CN202220629666 U CN 202220629666U CN 217029020 U CN217029020 U CN 217029020U
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Abstract
The utility model provides a lifting frame supporting device attached to a roadway roof, which comprises: the first lifting rope is arranged on the top plate; the lifting rod is arranged in the first lug, the first lifting lug is arranged at one end, far away from the top plate, of the first lifting rope, a first lug hole is formed in the first lifting lug, the lifting rod penetrates through the first lug hole, and a first movable space is formed between the lifting rod and the hole wall of the first lug hole. Through the cooperation of first lifting rope and first lug, make and lift the pole and support on tunnel roof, not only easily dismouting guarantees the high-efficient measurement of ground stress, makes the setting of lifting the pole not influenced by unevenness's ground moreover, and the flexibility is higher.
Description
Technical Field
The utility model relates to the technical field of supporting devices, in particular to a lifting frame supporting device attached to a roadway roof.
Background
In the process of mining underground mineral resources, the detection of the ground stress is particularly important for the safe mining of the mineral resources, and in a plurality of ground stress measurement methods, the hydrofracturing method is not only one of the methods specified by the international rock mechanics testing technology professional committee for measuring the in-situ stress, but also has the advantages of simple operation, convenient calculation, measurement precision meeting engineering requirements and the like, so the hydrofracturing method is widely used.
In the process of measuring the ground stress by the hydrofracturing method, an operator is required to hold a probe rod to send a measuring system containing a packer into a tunnel top plate drill hole, and the measurement is started after a certain depth is reached, under the ordinary condition, in order to avoid the influence of tunnel excavation on surrounding rock coal and rock mass, the detection depth can reach more than 5 times of tunnel radius, so that the surrounding rock measured by the measuring system is ensured to be a relatively intact part.
The deep detection depth and the large superposition weight of the probe rod, the measuring system and the subsequent continuously injected fluid cause the great labor intensity of operators, the difficult operation, the low efficiency of the ground stress measurement and the high labor cost; meanwhile, high pressure is formed inside the pipeline in the testing process, and the pipeline is inevitably closed by an operator when the probe rod is operated, so that the safety of ground stress measurement is low.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the utility model aims to provide a lifting frame supporting device attached to a roadway roof.
In order to achieve the above object, the present invention provides a support device attached to a roof of a roadway for a lifting frame, comprising: a first lifting rope disposed on the top plate; the lifting rod is arranged in the first lug, and a first movable space is arranged between the lifting rod and the hole wall of the first lug hole.
The support device further includes: the second lifting rope is arranged on the roadway top plate and close to the first lifting rope; the second lifting lug is fixedly arranged at one end, far away from the top plate, of the second lifting rope, a second lug hole is formed in the second lifting lug, the second lug hole penetrates through the lifting rod, a second movable space is formed between the lifting rod and the hole wall of the second lug hole, and the central axis of the first lug hole is coincided with the central axis of the second lug hole.
The first ear hole and the second ear hole are both rectangular, the middle part of the lifting rod is square, and the width of the rectangle is not less than the side length of the square and not more than the diagonal length of the square.
The top plate is provided with a metal net, and the first lifting rope and the second lifting rope are fixedly arranged on the metal net.
And hanging buckles are arranged at the ends, far away from the lifting rod, of the first lifting rope and the second lifting rope, and are connected with the metal net.
After adopting the technical scheme, compared with the prior art, the utility model has the advantages that:
the lifting rod is supported on the top plate of the roadway by matching the first lifting rope with the first lifting lug, so that the lifting rod is easy to disassemble and assemble, the high-efficiency measurement of the ground stress is ensured, the arrangement of the lifting rod is not influenced by the rugged ground, and the flexibility is higher;
the lifting rod penetrates through the first ear hole, so that when an operator operates the lifting rod, the first ear hole can be used as a fulcrum, the lever principle is utilized to support the probe rod, and meanwhile, the length of a force arm of the lifting rod and the angle of the lifting rod can be adjusted due to the arrangement of the first movable space, so that the labor intensity of the operator is effectively reduced, the labor cost of ground stress measurement is reduced, and the ground stress measurement efficiency is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a support device attached to a roadway roof according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a clamping device in a lifting frame for measuring ground stress by a hydraulic fracturing method according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a first pulley and a second pulley in a lifting frame for measuring the crustal stress of a hydraulic fracturing method according to an embodiment of the present invention;
as shown in the figure: 1. lifting rod, 2, clamping device, 3, first clamping part, 4, second clamping part, 5, driving piece, 6, centre gripping mouth, 7, arcwall face, 8, skid resistant course, 9, antiskid pressure hand, 10, first lifting rope, 11, first lug, 12, second lifting rope, 13, second lifting lug, 14, first ear hole, 15, second ear hole, 16, first activity space, 17, second activity space.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
As shown in fig. 1, an embodiment of the present invention provides a lifting frame supporting device attached to a roof of a roadway, including a first lifting rope 10 and a first lifting lug 11, where the first lifting rope 10 is disposed on the roof, the first lifting lug 11 is disposed at an end of the first lifting rope 10 far from the roof, a first ear hole 14 is disposed on the first lifting lug 11, the lifting rod 1 passes through the first ear hole 14, and a first moving space 16 is disposed between the lifting rod 1 and a hole wall of the first ear hole 14.
It can be understood that the lifting rod 1 is supported on the top plate of the roadway by matching the first lifting rope 10 and the first lifting lug 11, so that the lifting rod 1 is easy to disassemble and assemble, the high-efficiency measurement of the ground stress is ensured, the arrangement of the lifting rod 1 is not influenced by the uneven ground, and the flexibility is higher;
the lifting rod 1 penetrates through the first ear hole 14, so that when an operator operates the lifting rod 1, the first ear hole 14 can be used as a fulcrum, the lever principle is utilized to support the probe rod, and meanwhile, the arrangement of the first movable space 16 enables the length of a force arm of the lifting rod 1 and the angle of the lifting rod 1 to be adjustable, so that the labor intensity of the operator is effectively reduced, the labor cost of ground stress measurement is reduced, and the ground stress measurement efficiency is improved.
As shown in fig. 1, in some embodiments, the supporting device further includes a second lifting rope 12 and a second lifting lug 13, the second lifting rope 12 is disposed on the roadway roof near the first lifting rope 10, the second lifting lug 13 is fixedly disposed at an end of the second lifting rope 12 away from the roadway roof, a second ear hole 15 is disposed on the second lifting lug 13, the lifting rod 1 passes through the second ear hole 15, a second movable space 17 is disposed between the lifting rod 1 and a wall of the second ear hole 15, and a central axis of the first ear hole 14 coincides with a central axis of the second ear hole 15.
It can be understood that the arrangement of the second lifting rope 12 and the second lifting lug 13, and the cooperation of the first lifting rope 10 and the first lifting lug 11 provides a double support for the lifting rod 1, so as to prevent the lifting rod 1 from falling, and ensure the stable arrangement of the lifting rod 1 on the roof of the roadway, and meanwhile, because the first lifting rope 10 is close to the second lifting rope 12, the first ear hole 14 is close to the second ear hole 15, so that the first lifting lug 11 and the second lifting lug 13 jointly form a pivot of the lifting rod 1, and ensure the support of the lifting rod 1 on the probe.
As shown in fig. 1, in some embodiments, the first ear hole 14 and the second ear hole 15 are both rectangular, the middle portion of the lifting rod 1 is square, and the width of the rectangle is not less than the side length of the square and not greater than the diagonal length of the square.
It can be understood that when the middle of the lifting rod 1 is located in the first ear hole 14 and the second ear hole 15, the width of the rectangle is not smaller than the side length of the square, so that the middle of the lifting rod 1 can penetrate into the first ear hole 14 and the second ear hole 15 conveniently, and the width of the rectangle is not larger than the diagonal length of the square, so that the lifting rod 1 cannot rotate around the central axis of the lifting rod, and the stable support of the lifting rod 1 on the probe rod is ensured.
In practice, the sides of the square may be smaller than the width of the rectangle, so that the lifting rod 1 can be inserted through the first ear hole 14 and the second ear hole 15 quickly.
In some embodiments, a metal mesh is disposed on the top plate, and the first lifting rope 10 and the second lifting rope 12 are fixedly disposed on the metal mesh.
It can be understood that, through the arrangement of the metal mesh, not only the protection of the roof is realized, but also the first lifting rope 10 and the second lifting rope 12 are conveniently and stably arranged on the roof of the roadway.
In some embodiments, the ends of the first and second lifting ropes 10 and 12 away from the lifting rod 1 are provided with hooks, and the hooks are connected to the metal mesh.
It can be understood that the first lifting rope 10 and the second lifting rope 12 can be conveniently disassembled and assembled on the top plate of the roadway through the connection of the hanging buckle and the metal mesh, and the efficient measurement of the ground stress is ensured.
In some embodiments, the metal mesh may be a steel wire mesh, and the first and second lifting ropes 10 and 12 may be steel wire ropes.
Based on the above-mentioned supporting device, as shown in fig. 1 and fig. 2, an embodiment of the present invention further provides a lifting frame for measuring the ground stress by the hydraulic fracturing method, including a supporting device, a lifting rod 1 and a clamping device 2, where the clamping device 2 includes a first clamping member 3, a second clamping member 4 and a driving member 5, the first clamping member 3 is disposed on the lifting rod 1, the second clamping member 4 is disposed on the lifting rod 1, a clamping opening 6 is formed between the first clamping member 3 and the second clamping member 4, the driving member 5 is disposed on the lifting rod 1, and the driving member 5 is in transmission connection with the first clamping member 3 and/or the second clamping member 4.
It can be understood that the lifting rod 1 passes through the first ear hole 14 and the second ear hole 15 and is connected with the probe through the clamping device 2, so that when an operator operates the lifting rod 1, the operator can support the probe by using the lever principle with the first ear hole 14 or the second ear hole 15 as a fulcrum, and therefore, the operator can be far away from a pipeline to improve the safety of ground stress measurement, and the arrangement of the first movable space 16 and the second movable space 17 enables the length of the force arm of the lifting rod 1 and the angle of the lifting rod 1 to be adjustable, so that the labor intensity of the operator is effectively reduced, the labor cost of ground stress measurement is reduced, and the ground stress measurement efficiency is improved;
meanwhile, the whole structure is simple, the installation and the transportation are easy, and the ground stress is guaranteed to be efficiently measured while the probe rod is supported.
It should be noted that the driving member 5 may be in transmission connection with the first clamping member 3, may also be in transmission connection with the second clamping member 4, and may also be in transmission connection with the first clamping member 3 and the second clamping member 4 at the same time, and the specific arrangement manner of the first clamping member 3, the second clamping member 4 and the driving member 5 on the lifting rod 1 is set according to the transmission relationship therebetween.
As shown in fig. 1 and 2, in some embodiments, the first clamping member 3 is slidably disposed on the lifting rod 1, the second clamping member 4 is fixedly disposed on the lifting rod 1, the driving member 5 is rotatably disposed on the lifting rod 1, and the driving member 5 is in threaded transmission connection with the first clamping member 3.
It can be understood that the driving piece 5 rotates to drive the first clamping piece 3 to move on the lifting rod 1 relative to the second clamping piece 4 so as to adjust the size of the clamping opening 6, so that the lifting rod 1 is connected with and separated from the probe rod, the operation is simple and convenient, the high-efficiency measurement of the ground stress is guaranteed, and meanwhile, the lifting rod 1 is adaptive to probe rods with different diameters by adjusting the size of the clamping opening 6, so that the whole universality is stronger.
It should be noted that the lifting rod 1 includes a main body portion and a portion where the clamping device 2 is disposed, and the main body portion and the portion where the clamping device 2 is disposed should be movably connected, for example: hinged to accommodate the change in angle between the lifting rod 1 and the probe rod.
As shown in fig. 1 and 2, in some embodiments, the driving member 5 is a sleeve, the lifting rod 1 is provided with a notch, the sleeve is located in the notch, the first clamping member 3 includes a first portion and a second portion, the first portion and the second portion are fixedly connected, and are distributed in an L shape, a clamping opening 6 is formed between the first portion and the second clamping member 4, the lifting rod 1 is provided with a sliding groove penetrating through the notch, the second portion is slidably inserted into the sliding groove and penetrates through the sleeve, the second portion is provided with an external thread, an internal thread is provided on an inner wall of the sleeve, and the external thread is engaged with the internal thread.
It can be understood that the sleeve rotates to drive the second part to move on the lifting rod 1, the first part and the second part move synchronously, so that the clamping opening 6 is adjusted, and the sleeve is exposed outside the lifting rod 1 due to the opening, so that an operator can rotate the sleeve conveniently.
In some embodiments, as shown in fig. 1 and 2, the outer wall of the sleeve may be provided with staggered ridges or grooves to facilitate the rotation of the sleeve by the operator.
As shown in fig. 1 and fig. 2, in some embodiments, the opposite surfaces of the first portion and the second clamping member 4 are both provided with arc-shaped surfaces 7, so as to prevent the probe rod from being pulled out after being clamped in the clamping opening 6, and ensure stable clamping of the probe rod by the first clamping member 3 and the second clamping member 4.
As shown in fig. 1 and 2, in some embodiments, the anti-slip layer 8 is disposed on the opposite surfaces of the first portion and the second clamping member 4 to increase the friction force between the probe and the first portion and the second clamping member 4, so as to ensure the stable clamping of the probe by the first clamping member 3 and the second clamping member 4, wherein the protective layer may be made of a material with a high friction coefficient, such as rubber, silicone, or the like.
In some embodiments, the anti-slip layer 8 may be provided with castellations to further increase the friction between the probe and the first and second parts 4.
In some embodiments, the length direction of the lifting rod 1 is perpendicular to the length direction of the probe, and the length direction of the lifting rod 1 is parallel to the length direction of the roadway.
As shown in fig. 1, in some embodiments, the anti-slip pressing hand 9 is disposed on the lifting rod 1, and the first ear hole 14 and the second ear hole 15 are both located between the anti-slip pressing hand 9 and the clamping device 2.
It can be understood that the anti-skid pressure hand 9 is arranged, so that the lifting rod 1 can be conveniently operated by an operator, and the stable support of the probe rod is ensured.
Note that the anti-slip presser 9 is made of an anti-slip material such as: rubber, silica gel, and the like.
In some embodiments, the anti-slip pressing hand 9 may be a rubber sleeve, and the rubber sleeve is fixedly sleeved on the lifting rod 1.
When the probe rod is sent into a tunnel roof drilling hole, two groups of lifting frames can be used, wherein the two groups of platforms comprise a first lifting frame and a second lifting frame, the first lifting frame and the second lifting frame are both the lifting frames, and the specific operation method comprises the following steps:
s1: respectively arranging a first lifting frame and a second lifting frame on two sides of the probe rod;
s2: clamping the probe rod by the clamping device 2 of the first lifting frame;
s3: pressing the lifting rod 1 of the first lifting frame to enable the probe rod to move upwards;
s4: clamping the probe rod by the clamping device 2 of the second lifting frame;
s5: releasing the clamping device 2 of the first lifting frame and keeping away from the probe rod;
s6: pressing the lifting rod 1 of the second lifting frame to enable the probe rod to continuously move upwards;
s7: clamping the probe rod by the clamping device 2 of the first lifting frame;
s8: releasing the clamping device 2 of the second lifting frame and keeping away from the probe rod;
s9: s3 through S8 are repeated.
It will be appreciated that the probe rod is fed alternately by the first and second lifting frames to feed the measurement system containing the packer into the roadway roof borehole.
It should be noted that when the lifting rod 1 is supported on the roof of the roadway by the first lifting rope 10 and the second lifting rope 12, S3 and S6 may also use other methods to move the probe rod upward, for example: the lifting rod 1 is kept at a height far from one end of the clamping device 2, and then the first lifting rope 10 and the second lifting rope 12 are pulled upwards, so that the probe rod moves upwards.
As shown in fig. 3, a first pulley is arranged on the top plate of the roadway, a movable second pulley is arranged, the first lifting rope 10 and the second lifting rope 12 are respectively arranged on the top plate of the roadway after sequentially winding around the first pulley and the second pulley, and upward traction of the first lifting rope 10 and the second lifting rope 12 can be realized by pulling the second pulley downwards.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps in the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (5)
1. The utility model provides a depend on a support device that lifts of tunnel roof which characterized in that includes:
a first lifting rope disposed on the top plate;
the lifting rod comprises a first lifting lug, the first lifting lug is arranged at one end, away from the top plate, of the first lifting rope, a first lug hole is formed in the first lifting lug, the lifting rod penetrates through the first lug hole, and a first moving space is formed between the lifting rod and the hole wall of the first lug hole.
2. The roof support apparatus depending from the roadway as recited in claim 1, wherein the support apparatus further comprises:
the second lifting rope is arranged at the position, close to the first lifting rope, of the roadway top plate;
the second lifting lug is fixedly arranged at one end, far away from the top plate, of the second lifting rope, a second lug hole is formed in the second lifting lug, the second lug hole penetrates through the lifting rod, a second movable space is formed between the lifting rod and the hole wall of the second lug hole, and the central axis of the first lug hole coincides with the central axis of the second lug hole.
3. The device as claimed in claim 2, wherein the first and second lugs are rectangular, the middle of the lifting rod is square, and the width of the rectangle is not less than the side length of the square and not greater than the diagonal length of the square.
4. The device as claimed in claim 2, wherein a metal net is provided on the roof, and the first and second lifting ropes are fixedly provided on the metal net.
5. The device as claimed in claim 4, wherein the ends of the first and second lifting ropes remote from the lifting rod are provided with a hook, the hook being connected to the metal mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220629666.3U CN217029020U (en) | 2022-03-21 | 2022-03-21 | Support device attached to roadway roof and used for lifting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220629666.3U CN217029020U (en) | 2022-03-21 | 2022-03-21 | Support device attached to roadway roof and used for lifting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217029020U true CN217029020U (en) | 2022-07-22 |
Family
ID=82456917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220629666.3U Active CN217029020U (en) | 2022-03-21 | 2022-03-21 | Support device attached to roadway roof and used for lifting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217029020U (en) |
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2022
- 2022-03-21 CN CN202220629666.3U patent/CN217029020U/en active Active
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