Suspension type tunnel air volume test auxiliary support

Abstract

The utility model discloses a suspension type tunnel air volume test auxiliary support, and relates to the mine ventilation test field, the suspension type tunnel air volume test auxiliary support comprises two symmetrically arranged four-foot telescopic supports, each four-foot telescopic support comprises a telescopic rod and a support leg arranged on a telescopic rod fixed end, a telescopic beam is arranged between the two telescopic rods, and the telescopic beam is connected with the support leg through a connecting rod. The two telescopic rods are connected with the telescopic beam through hinges, a slider is arranged on the telescopic beam, a pod is arranged below the slider, and a wind meter is arranged below the pod; the telescopic beam is supported through the four-foot telescopic support, sliding of the slider on the telescopic beam and lifting of the pod are controlled through the steel wire rope at the same time, control over the position of the wind meter is achieved, the lengths of the four-foot telescopic support, the telescopic rod and the telescopic beam can be adjusted according to the site space structure in the actual operation process, and therefore adaptability to the environment is achieved; therefore, the spatial position of the wind meter is controlled, and the accuracy of roadway air volume testing is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mine ventilation test, especially a kind of suspension roadway air volume test auxiliary support. BACKGROUND

[0002] Various dangerous factors exist in coal mine, such as coal dust, toxic gas, fire, etc., if there is no good ventilation system, these dangerous factors will accumulate in mine, which threatens miners, mine ventilation can effectively discharge these dangerous factors from mine, ensure the health and life safety of miners, "coal mine safety regulations" requires that mine must establish wind measurement system, at least 1 time comprehensive wind measurement is carried out every 10 days, and wind measurement should be carried out at any time according to actual needs on mining face and other wind using places, and wind measurement result should be recorded and written on the record card of wind measurement place.

[0003] At present, most of coal mines mainly adopt section method to measure wind, and test instrument is basically mechanical anemometer, and section method can be divided into line method and fixed point method, and wind measurer needs to walk through measurement route or measurement point evenly in a certain time during wind measurement.

[0004] However, with the development of coal mine mechanization, roadway height and section are gradually increased, so that wind measurer can only test a small part of roadway section without auxiliary tool, which leads to the increase of test error, and finally may cause certain damage to ventilation system of coal mine.

[0005] Therefore, the suspension roadway air volume test auxiliary support is provided to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of suspension roadway air volume test auxiliary support, can assist wind measurer to complete the air volume test work of large section, more accurately control wind measurement point, effectively solve the error problem existing in the roadway wind measurement technology of the section unit method.

[0007] To achieve the above object, the utility model provides a kind of suspension roadway air volume test auxiliary support, including two symmetrical four-foot telescopic supports, the four-foot telescopic support includes telescopic rod and the support leg of setting on the fixed end of telescopic rod, telescopic beam is set between two telescopic rods, two telescopic rods are connected with telescopic beam by hinge, sliding device is set on telescopic beam, the lower portion of sliding device is provided with nacelle, and the lower portion of nacelle is provided with wind measuring instrument.

[0008] Preferably, the surface of telescopic beam and the surface of two telescopic rods are provided with scale line, and first limiting hole is arranged on two telescopic rods.

[0009] Preferably, the slider comprises a limiting ring and a fixing frame arranged on the limiting ring, a wire fixing end is arranged on the fixing frame, a positioning mark is arranged on the surface of the fixing frame, the positioning mark is arranged below the wire fixing end, pulleys are arranged on both sides of the fixing frame, the number of the pulleys is four, and the four pulleys are symmetrically arranged according to the wire fixing end.

[0010] Preferably, the limiting ring is arranged in two, and the two limiting rings are symmetrically arranged according to the wire fixing end, and second limiting holes are arranged on the outer sides of the two limiting rings.

[0011] Preferably, the gondola comprises a limiting frame and a supporting beam arranged on the limiting frame, a fixing clamp is arranged on the limiting frame, and two third limiting holes are symmetrically arranged on the supporting beam.

[0012] Preferably, the telescopic rod and the telescopic beam are fixedly connected with the hinge through bolts, and a fourth limiting hole is arranged on the hinge close to the telescopic beam adjusting end.

[0013] Preferably, a fifth limiting hole is arranged on the telescopic rod fixed end close to the telescopic beam adjusting end.

[0014] Preferably, first steel wires are arranged on the two third limiting holes, and the other ends of the first steel wires pass through the second limiting hole, a wire combining terminal and the fourth limiting hole in sequence, and the wire combining terminal combines the two first steel wires into one.

[0015] Preferably, a second steel wire is arranged in the first limiting hole close to the telescopic beam fixed end, and the two ends of the second steel wire pass through the wire fixing end, the first limiting hole close to the telescopic beam adjusting end and the fifth limiting hole in sequence.

[0016] Preferably, the material of the first steel wire and the second steel wire is one of metal, polymer and cotton, and the driving power of the first steel wire and the second steel wire is manual or electric.

[0017] Therefore, the auxiliary support has the following beneficial effects:

[0018] (1) From the perspective of solving the actual problems on site, the telescopic beam is supported through the four-foot telescopic support and the telescopic rod, the sliding of the slider on the telescopic beam and the lifting of the gondola are simultaneously controlled through the steel wire, and the position control of the wind measuring instrument is realized.

[0019] (2) can be according to the field space structure, adjust four foot telescopic support, telescopic rod and telescopic beam length, thereby improve the adaptability to the environment, more accurately control the spatial position of wind measuring instrument, improve the accuracy of roadway air volume test.

[0020] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the expansion state schematic drawing of the utility model one kind suspending type roadway air volume test auxiliary support;

[0022] Figure 2 It is the folding state schematic drawing of the utility model one kind suspending type roadway air volume test auxiliary support;

[0023] Figure 3 It is the utility model slider front view;

[0024] Figure 4 It is the utility model slider left view;

[0025] Figure 5 It is the structure diagram of the utility model pod;

[0026] Figure 6 It is the utility model principle diagram.

[0027] Wherein: 1, telescopic rod;2, four foot telescopic support;3, telescopic beam;4, hinge;5, slider;501, limit ring;502, fixed frame;503, fixed wire end;504, positioning mark;505, pulley;506, second limit hole;6, pod;601, limit frame;602, support beam;603, fixed clamp;604, third limit hole;7, wind measuring instrument;8, scale line;9, first limit hole;10, bolt;11, fourth limit hole;12, support leg;13, fifth limit hole;14, first steel wire rope;15, wire terminal;16, second steel wire rope. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments.

[0029] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0030] Example

[0031] like Figures 1 to 6 As shown, this utility model provides a suspended auxiliary support for roadway air volume testing, including two symmetrically arranged four-legged telescopic supports 2. Each four-legged telescopic support 2 includes a telescopic rod 1 and a support leg 12 set on the fixed end of the telescopic rod 1. The telescopic rod 1 has a multi-segment structure and can realize the telescopic function.

[0032] A telescopic beam 3 is provided between the two telescopic rods 1. Both telescopic rods 1 are connected to the telescopic beam 3 by hinges 4. A slider 5 is provided on the telescopic beam 3. A pod 6 is provided below the slider 5. An anemometer 7 is provided below the pod 6.

[0033] The surface of the telescopic beam 3 and the surfaces of the two telescopic rods 1 are provided with scale lines 8, and the two telescopic rods 1 are provided with first limiting holes 9.

[0034] The slider 5 includes a limiting ring 501 and a fixing frame 502 disposed on the limiting ring 501. A wire fixing end 503 is disposed on the fixing frame 502. A positioning mark 504 is disposed on the surface of the fixing frame 502 and is disposed below the wire fixing end 503. Pulleys 505 are disposed on both sides of the fixing frame 502. The number of pulleys 505 is set to four, and the four pulleys 505 are symmetrically arranged according to the wire fixing end 503.

[0035] Two limit rings 501 are provided, and the two limit rings 501 are symmetrically arranged according to the fixed end 503. A second limit hole 506 is provided on the outer side of each of the two limit rings 501.

[0036] The pod 6 comprises a limiting frame 601 and a supporting beam 602 arranged on the limiting frame 601, the limiting frame 601 is provided with a fixing clamp 603, two third limiting holes 604 are symmetrically arranged on the supporting beam 602, the anemometer 7 is fixed on the pod 6 through the fixing clamp 603, the first steel wire 14 and the second steel wire 16 are adjusted, and the position of the anemometer 7 is accurately controlled.

[0037] The telescopic rod 1 and the telescopic beam 3 are fixedly connected with the hinge 4 through the bolts 10, the fourth limiting hole 11 is arranged on the hinge 4 close to the adjusting end of the telescopic beam 3, the tightness of the hinge 4 can be adjusted through the bolts 10, and the auxiliary support can be folded into a Z-shaped structure as a whole or unfolded into a simply supported beam structure.

[0038] The fifth limiting hole 13 is arranged on the fixed end of the telescopic rod 1 close to the adjusting end of the telescopic beam 3.

[0039] The first steel wire 14 is arranged on the two third limiting holes 604, the other end of the first steel wire 14 passes through the second limiting hole 506, the wire combining terminal 15 and the fourth limiting hole 11 in sequence, the two first steel wires 14 are combined into one through the wire combining terminal 15, the pod 6 is hung on the second limiting hole 506 of the slider 5 through the first steel wire 14, and the lifting function of the pod 6 is realized by pulling and releasing the first steel wire 14.

[0040] The second steel wire 16 is arranged in the first limiting hole 9 close to the fixed end of the telescopic beam 3, the two ends of the second steel wire 16 pass through the wire fixing terminal 503, the first limiting hole 9 close to the adjusting end of the telescopic beam 3 and the fifth limiting hole 13 in sequence, the slider 5 is taken as a guide rail of the telescopic beam 3, the second steel wire 16 is wound around the wire fixing terminal 503, and the slider 5 slides on the telescopic beam 3 by pulling the second steel wire 16.

[0041] The material of the first steel wire 14 and the second steel wire 16 is one of metal, polymer and cotton, and the driving power of the first steel wire 14 and the second steel wire 16 is manual or electric.

[0042] The working principle of the suspension type auxiliary support for testing air volume in a roadway is as follows:

[0043] The auxiliary support is unfolded as a whole, the two-end four-leg telescopic supports 2 are adjusted, the telescopic beam 3 is supported, the slider 5 is sleeved on the telescopic beam 3, the first steel wire 14 and the second steel wire 16 are correctly installed, the two ends of the second steel wire 16 correspond to the B wire end and the C wire end respectively, the first steel wire 14 corresponds to the A wire end, the lifting of the pod 6 is realized by pulling and loosening the A wire end, the left and right displacement of the slider 5 is realized by pulling the B wire end and the C wire end, and when the auxiliary support is used, the lengths of the four-leg telescopic supports 2 and the telescopic beam 3 can be adjusted according to the actual working environment, so that the effect of improving the test precision is realized.

[0044] Therefore, the utility model discloses a kind of suspension roadway air volume test auxiliary support with the above structure, and four telescopic supports are used to support telescopic beam, and the sliding of slider on telescopic beam and the lifting of sling pod are simultaneously controlled by steel wire rope, realize the control of wind measuring instrument position, when actual operation, four telescopic supports, telescopic rod and telescopic beam length can be adjusted according to the space structure of scene, to realize the adaptability to environment, to control the space position of wind measuring instrument, improve the precision of roadway air volume test.

[0045] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: its still can modify or equivalent replace the technical solutions of the utility model, and these modifications or equivalent replacements also cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the utility model.

Claims

1. A suspended auxiliary support for roadway airflow testing, characterized in that, The device includes two symmetrically arranged four-legged telescopic supports. Each four-legged telescopic support includes a telescopic rod and a support leg disposed on the fixed end of the telescopic rod. A telescopic beam is disposed between the two telescopic rods. Both telescopic rods are connected to the telescopic beam by hinges. A slider is disposed on the telescopic beam. A pod is disposed below the slider. An anemometer is disposed below the pod.

2. The suspended auxiliary support for roadway air volume testing according to claim 1, characterized in that, The surface of the telescopic beam and the surfaces of the two telescopic rods are provided with scale lines, and the two telescopic rods are provided with first limiting holes.

3. The suspended auxiliary support for roadway air volume testing according to claim 2, characterized in that, The slider includes a limiting ring and a fixing frame disposed on the limiting ring. The fixing frame is provided with a fixed end, and a positioning mark is provided on the surface of the fixing frame. The positioning mark is located below the fixed end. Pulleys are provided on both sides of the fixing frame, and the number of pulleys is set to four. The four pulleys are symmetrically arranged according to the fixed end.

4. The suspended auxiliary support for roadway air volume testing according to claim 3, characterized in that, Two limiting rings are provided, and the two limiting rings are symmetrically arranged according to the fixed end. A second limiting hole is provided on the outer side of each of the two limiting rings.

5. The suspended auxiliary support for roadway air volume testing according to claim 4, characterized in that, The pod includes a limiting frame and a support beam disposed on the limiting frame. The limiting frame is provided with a fixing clamp, and the support beam is symmetrically provided with two third limiting holes.

6. The suspended auxiliary support for roadway air volume testing according to claim 5, characterized in that, Both the telescopic rod and the telescopic beam are fixedly connected to the hinge by bolts, and a fourth limiting hole is provided on the hinge near the adjusting end of the telescopic beam.

7. A suspended auxiliary support for roadway air volume testing according to claim 6, characterized in that, A fifth limiting hole is provided on the fixed end of the telescopic rod near the adjusting end of the telescopic beam.

8. A suspended auxiliary support for roadway air volume testing according to claim 7, characterized in that, Each of the two third limiting holes is provided with a first steel wire rope. The other end of the first steel wire rope passes through the second limiting hole, the wire-combining terminal and the fourth limiting hole in sequence. The wire-combining terminal combines the two first steel wire ropes into one.

9. A suspended auxiliary support for roadway air volume testing according to claim 8, characterized in that, A second steel wire rope is provided in the first limiting hole near the fixed end of the telescopic beam. The two ends of the second steel wire rope pass through the fixed end, the first limiting hole near the adjusting end of the telescopic beam, and the fifth limiting hole in sequence.

10. A suspended auxiliary support for roadway airflow testing according to claim 9, characterized in that, The first wire rope and the second wire rope are made of one of metal, polymer or cotton linen, and the driving power of the first wire rope and the second wire rope is manual or electric.

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