Tunnel blasting safety distance measuring device

Abstract

The utility model provides a tunnel blasting safety distance measuring device, belongs to the technical field of construction of a tunnel passing through a natural gas pipeline, and aims to solve the problems that according to an existing tunnel blasting safety distance measuring device, dust, stones and other impurities generated by dragging a wire harness or blasting can adhere to the surface of the wire harness, and when a vibration meter stands or is stored, the damage to the surface of the wire harness is caused. And dust can enter the vibration meter through the heat dissipation holes to influence the service life of the vibration meter. Comprising a vibration meter body. The cooling fin is fixedly mounted on one side of the vibration meter main body; the wire harness storage device is arranged at the upper part of the vibration meter main body; the connecting wire harness is arranged in the wire harness storage device; the three-dimensional vector sensor is arranged at one end of the connecting wire harness; the heat dissipation assembly is arranged in the vibration meter main body; and the winding assembly is arranged in the wire harness storage device. The LED lamp has the advantages of flexible heat dissipation, convenience in use, dust reduction and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel crossing natural gas pipeline construction technical field, more specifically, especially relates to a tunnel blasting safety distance measuring device. BACKGROUND

[0002] When the tunnel needs to cross the natural gas pipeline, the tunnel blasting technology can quickly complete the crossing operation of the natural gas pipeline. In order to ensure the safe construction of the natural gas pipeline, the blasting safety distance must be strictly measured. When measuring the safety distance, a tunnel blasting safety distance measuring device is needed. The existing tunnel blasting safety distance measuring device mostly monitors the blasting vibration through the blasting vibration meter, can understand and master the characteristics of the blasting seismic wave, deduces the blasting safety distance, mainly consists of the vibration meter, three-way vector sensor, wire harness and the like, connects the vibration meter and three-way vector sensor together through the wire harness, collects the seismic wave characteristics by using the three-way vector sensor, and the vibration meter analyzes, measures and calculates the collected data.

[0003] The existing application number CN202120946259.0 discloses an intelligent blasting safety distance precise measuring device, relates to the blasting field, and comprises a fixed box body and a measuring rope. A fixed groove is formed in the front side of the fixed box body, a dustproof cover plate is connected to the front side bottom end of the inner wall of the fixed groove through a hinge, a rotating rod is fixedly installed on the inner wall of the fixed groove, a fixed stop ring is welded on the outer wall of the rotating rod, the measuring rope is wound on the outer wall of the rotating rod, a positioning hole is formed in one end of the measuring rope, a positioning rod is inserted into the inner wall of the positioning hole, and an installation groove is formed in the front side of the fixed box body away from the fixed groove. The measuring device is arranged, so that the staff can accurately measure the safety distance of blasting. The rotating structure is arranged, so that people can conveniently and quickly measure the safety distance in any direction when using the measuring device to detect the safety distance.

[0004] Based on the above, the existing tunnel blasting safety distance measuring device mostly connects the vibration meter and three-way vector sensor together through the wire harness. When the three-way vector sensor is used to collect and measure data, the wire harness, dust, stones and other impurities raised by blasting will adhere to the surface of the wire harness. When the wire harness is recovered, manual cleaning is needed, which increases the burden of the staff. Moreover, the vibration meter mostly has a heat dissipation hole to avoid overheating of the internal electronic components during use. However, when the vibration meter is at rest or stored, dust will enter the internal vibration meter through the heat dissipation hole, affecting the service life. SUMMARY

[0005] In order to solve the above technical problems, the utility model provides a tunnel blasting safety distance measuring device to solve the existing tunnel blasting safety distance measuring device, mostly use the line bundle together with three direction vector sensor connection in the use three direction vector sensor collection measurement data, drag the line bundle or the dust, stone and other impurities produced by blasting will adhere to the line bundle surface, in the recovery line bundle need manual cleaning, increase the staff burden, and the vibration meter mostly open the heat dissipation hole, avoid the vibration meter when using overheating influence internal electronic element operation, but when the vibration meter is stationary or stored, the dust will enter the vibration meter through the heat dissipation hole and affect the service life.

[0006] The purpose and effect of the tunnel blasting safety distance measuring device are achieved by the following specific technical means.

[0007] A tunnel blasting safety distance measuring device, comprising a vibration meter main body;

[0008] The heat dissipation fin is fixedly installed on one side of the vibration meter main body.

[0009] The line bundle receiver is arranged on the upper part of the vibration meter main body.

[0010] The connecting line bundle is arranged inside the line bundle receiver.

[0011] The three-direction vector sensor is arranged at one end of the connecting line bundle.

[0012] The heat dissipation assembly is arranged inside the vibration meter main body.

[0013] The winding assembly is arranged inside the line bundle receiver.

[0014] Further, the heat dissipation assembly comprises:

[0015] The guide rail is fixedly installed on the back of the heat dissipation fin.

[0016] The baffle is slidingly connected inside the guide rail.

[0017] Further, the heat dissipation assembly further comprises:

[0018] The fixed plate is fixedly installed on the back of the heat dissipation fin.

[0019] The electromagnet is fixedly installed on one side of the fixed plate.

[0020] Further, the heat dissipation assembly further comprises:

[0021] The iron plate is fixedly installed on the back of the baffle.

[0022] The first elastic member is arranged with two groups, and the two groups of first elastic members are fixedly installed at the middle positions between the iron plate and the fixed plate.

[0023] Further, the winding assembly comprises:

[0024] The plug is arranged with two groups, and the two groups of plugs are fixedly installed at the two ends of the wire harness, and the two groups of plugs are respectively inserted at the top of the vibration meter main body and the bottom of the three-way vector sensor.

[0025] The transmission rod is rotationally connected in the wire harness receiver;

[0026] The winding shaft is coaxially fixedly installed in the transmission rod;

[0027] The threading hole is formed in the middle of the winding shaft.

[0028] Further, the winding assembly further comprises:

[0029] The cleaning brush is arranged with two groups, and the two groups of cleaning brushes are fixedly installed on the upper and lower sides of the wire harness receiver.

[0030] The volute spring is coaxially fixedly installed at one end of the transmission rod.

[0031] Further, the winding assembly further comprises:

[0032] The ratchet wheel is coaxially fixedly installed at one end of the transmission rod.

[0033] The pawl is hingedly connected in the wire harness receiver, and the pawl and the ratchet wheel are engaged with each other.

[0034] The push piece is fixedly installed in the pawl.

[0035] The second elastic member is fixedly installed at the bottom of the push piece.

[0036] Compared with the prior art, the utility model has the following beneficial effects:

[0037] Firstly, the utility model has a heat dissipation assembly, a magnetic force is generated by electrifying the electromagnet, the iron plate is adsorbed and moved, so that the baffle is moved to expose the hole formed in the heat dissipation fin for heat dissipation, the internal temperature is prevented from being too high to affect use when the vibration meter main body works, and the baffle is moved to block the heat dissipation fin by the first elastic member when the vibration meter main body is powered off, dust is prevented from entering the vibration meter main body and affecting the service life when the heat dissipation fin is at rest or stored, and the flexibility of the device is greatly improved.

[0038] Second, the utility model discloses have winding assembly, through the wiring harness receiver to the connecting wiring and winding, according to the use scene, the flexible length of the connecting wiring is pulled out conveniently, and the connecting wiring is too long to influence use, and when the connecting wiring is stretched and winding, need to pass through the cleaning brush, and the surface of the connecting wiring is cleaned, and the surface of the connecting wiring is adhered dust, impurity and the like to influence use.

[0039] The utility model has the advantages of flexible heat dissipation, convenient use, dust reduction and the like, effectively avoids dust from entering the vibration meter main body to influence the service life when the heat dissipation fin is placed or stored, greatly improves the device flexibility, and effectively avoids the surface of the connecting wiring from adhering dust, impurities and the like to influence use. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 It is the main body structure schematic diagram of the utility model.

[0041] Figure 2 It is the heat dissipation fin structure schematic diagram of the utility model.

[0042] Figure 3 It is the wiring harness receiver structure schematic diagram of the utility model.

[0043] Figure 4 It is the wiring harness receiver internal structure schematic diagram of the utility model.

[0044] Figure 5 It is the winding shaft structure schematic diagram of the utility model.

[0045] In the drawing, the corresponding relationship of component name and drawing number is as follows:

[0046] 1, vibration meter main body, 2, heat dissipation fin, 201, guide rail, 202, baffle, 203, fixed plate, 204, first elastic part, 205, electromagnet, 206, iron plate, 3, wiring harness receiver, 301, cleaning brush, 302, transmission rod, 303, winding shaft, 304, spiral spring, 305, ratchet wheel, 306, pawl, 307, tab, 308, second elastic part, 309, threading hole, 4, connecting wiring, 401, plug, 5, three-way vector sensor. DETAILED DESCRIPTION

[0047] The embodiment of the utility model is further described in detail in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model. Examples

[0048] As shown in the accompanying drawings Figure 1 to the accompanying Figure 5 As shown:

[0049] The utility model provides a tunnel blasting safety distance measuring device, including vibration appearance main body 1,

[0050] Radiating fin 2, radiating fin 2 fixed mounting is in vibration appearance main body 1 one side,

[0051] Wire harness receiver 3, wire harness receiver 3 sets up in vibration appearance main body 1 upper portion,

[0052] Connecting wire harness 4, connecting wire harness 4 sets up in wire harness receiver 3 inside,

[0053] Three -dimensional vector sensor 5, three -dimensional vector sensor 5 sets up in connecting wire harness 4 one end,

[0054] Radiating assembly, radiating assembly sets up in vibration appearance main body 1 inside.

[0055] Among them, radiating assembly includes has:

[0056] Guide rail 201, guide rail 201 fixed mounting is in radiating fin 2 back,

[0057] Baffle 202, baffle 202 slidingly connected in guide rail 201 inside, the role is, push baffle 202, baffle 202 sliding in guide rail 201 inside, guide rail 201 plays the guiding role when baffle 202 moves.

[0058] Among them, radiating assembly still includes has:

[0059] Fixed plate 203, fixed plate 203 fixed mounting is in radiating fin 2 back,

[0060] Electromagnet 205, electromagnet 205 fixed mounting is in fixed plate 203 one side, the role is, fixed plate 203 plays the fixed role of electromagnet 205, and electromagnet 205 generates magnetic force when vibration appearance main body 1 starts working simultaneously.

[0061] Among them, radiating assembly still includes has:

[0062] Iron plate 206, iron plate 206 fixed mounting is in baffle 202 back,

[0063] First elastic part 204, first elastic part 204 is provided with two groups, and two groups of first elastic part 204 fixed mounting is in the intermediate position of iron plate 206 and fixed plate 203, the role is, first elastic part 204 moves under the elasticity of first elastic part 204 and drives iron plate 206.

[0064] The specific use mode and effect of the embodiment:

[0065] When the vibration meter main body 1 is in the off state, the electromagnet 205 is in the non-magnetic state, the first elastic member 204 drives the iron plate 206 to move under the elastic action, the iron plate 206 moves to drive the baffle 202 to block the hole in the heat sink 2, so as to avoid dust, impurities and the like from entering the inside of the vibration meter main body 1 through the heat sink 2.

[0066] When the vibration meter main body 1 is in the off state, the electromagnet 205 is in the non-magnetic state, the first elastic member 204 drives the iron plate 206 to move under the elastic action, the iron plate 206 moves to drive the baffle 202 to block the hole in the heat sink 2, so as to avoid dust, impurities and the like from entering the inside of the vibration meter main body 1 through the heat sink 2. Embodiment

[0067] On the basis of embodiment one, as shown in Figures 1 to 5 It also includes:

[0068] The winding assembly is arranged in the wire harness storage 3.

[0069] The winding assembly includes:

[0070] The plug 401 is provided with two groups, and the two groups of plugs 401 are fixedly installed at the two ends of the connecting wire harness 4, and the two groups of plugs 401 are respectively inserted into the top of the vibration meter main body 1 and the bottom of the three-way vector sensor 5.

[0071] The transmission rod 302 is rotatably connected in the wire harness storage 3.

[0072] The winding shaft 303 is coaxially fixedly installed in the transmission rod 302.

[0073] The threading hole 309 is arranged in the middle part of the winding shaft 303. The connecting wire harness 4 is connected together with the vibration meter main body 1 and the three-way vector sensor 5 through the plug 401, passes through the threading hole 309 to the middle position, rotates the transmission rod 302, and the transmission rod 302 drives the winding shaft 303 to rotate, and the winding shaft 303 rotates to wind the connecting wire harness 4 in the middle of the winding shaft 303.

[0074] The winding assembly further includes:

[0075] The cleaning brush 301 is provided with two groups, and the two groups of cleaning brushes 301 are fixedly installed on the upper and lower sides of the wire harness storage 3.

[0076] Volute spring 304, volute spring 304 coaxially fixed in the end of transmission rod 302, the role is to pull the connection line bundle 4, the connection line bundle 4 extension and drive transmission rod 302 rotation, transmission rod 302 rotation drive volute spring 304 rotation and shrink, loose connection line bundle 4, volute spring 304 under the action of elastic force drive transmission rod 302 reverse rotation, transmission rod 302 reverse rotation to connection line bundle 4 winding, when the connection line bundle 4 stretch and winding, need to clean brush 301, the surface of the connection line bundle 4 is cleaned.

[0077] Among them, the winding assembly further comprises:

[0078] Ratchet wheel 305, ratchet wheel 305 coaxially fixed in the end of transmission rod 302, the role is to pull the connection line bundle 4, the connection line bundle 4 extension and drive transmission rod 302 rotation, transmission rod 302 rotation drive volute spring 304 rotation and shrink, loose connection line bundle 4, volute spring 304 under the action of elastic force drive transmission rod 302 reverse rotation, transmission rod 302 reverse rotation to connection line bundle 4 winding, when the connection line bundle 4 stretch and winding, need to clean brush 301, the surface of the connection line bundle 4 is cleaned.

[0079] Pawl 306, pawl 306 hinged in the line bundle receiver 3, pawl 306 and ratchet wheel 305 mesh with each other.

[0080] Push piece 307, push piece 307 fixedly installed in the inside of pawl 306.

[0081] Second elastic member 308, second elastic member 308 fixedly installed at the bottom of push piece 307, the role is that ratchet wheel 305 and pawl 306 limit transmission rod 302, make transmission rod 302 only one-way rotation, second elastic member 308 drive push piece 307 move under the action of elasticity, push piece 307 drive pawl 306 swing.

[0082] The specific use mode and effect of the embodiment:

[0083] When the tunnel blasting safety distance needs to be measured, the plug 401 is used to connect the connection line bundle 4, the vibration meter main body 1 and the three-way vector sensor 5 together, the three-way vector sensor 5 is pulled, the three-way vector sensor 5 drives the one end connection line bundle 4 to move, the two ends of the connection line bundle 4 are simultaneously pulled out of the line bundle receiver 3, the connection line bundle 4 drives the winding shaft 303 and the transmission rod 302 to rotate, the transmission rod 302 drives the volute spring 304 to rotate and shrink, the ratchet wheel 305 and the pawl 306 limit the transmission rod 302, make the transmission rod 302 only one-way rotation, make the connection line bundle 4 only pull out and not return, when the three-way vector sensor 5 is pulled to the appropriate position, data acquisition measurement is carried out.

[0084] When the data acquisition measurement is completed, the three-way vector sensor 5 needs to be retrieved, the dial 307 is dialed, the dial 307 drives the pawl 306 to leave the position of the ratchet 305, the transmission rod 302 loses the limit, the scroll spring 304 drives the transmission rod 302 to rotate reversely under the action of the elastic force, the transmission rod 302 drives the winding shaft 303 to rotate, the winding shaft 303 rotates to wind the connecting wire harness 4 in the middle inside the winding shaft 303, the two ends of the connecting wire harness 4 are simultaneously rolled into the wire harness storage device 3, the function of storing the connecting wire harness 4 is achieved, and the cleaning brush 301 needs to be passed through when the connecting wire harness 4 is stretched and rolled, the surface of the connecting wire harness 4 is cleaned, and dust, impurities and the like adhered to the surface of the connecting wire harness 4 are avoided to affect use.

[0085] In this document, the following points need to be noted:

[0086] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0087] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0088] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A device for measuring safe distance during tunnel blasting, characterized in that: The tunnel blasting safety distance measuring device includes a vibration meter body (1); a heat sink (2), which is fixedly installed on one side of the vibration meter body (1); a wire harness receiver (3), which is located on the upper part of the vibration meter body (1); a connecting wire harness (4), which is located inside the wire harness receiver (3); a three-dimensional vector sensor (5), which is located at one end of the connecting wire harness (4); a heat dissipation assembly, which is located inside the vibration meter body (1); and a winding assembly, which is located inside the wire harness receiver (3).

2. The tunnel blasting safety distance measuring device as described in claim 1, characterized in that: The heat dissipation assembly includes a guide rail (201) and a baffle (202). The guide rail (201) is fixedly installed on the back of the heat sink (2). The baffle (202) is slidably connected inside the guide rail (201).

3. The tunnel blasting safety distance measuring device as described in claim 2, characterized in that: The heat dissipation assembly also includes a fixing plate (203) and an electromagnet (205). The fixing plate (203) is fixedly installed on the back of the heat sink (2); the electromagnet (205) is fixedly installed on one side of the fixing plate (203).

4. The tunnel blasting safety distance measuring device as described in claim 2, characterized in that: The heat dissipation assembly also includes: an iron plate (206) and a first elastic element (204), wherein the iron plate (206) is fixedly installed on the back of the baffle (202); the first elastic element (204) is provided in two sets, and the two sets of first elastic elements (204) are fixedly installed in the middle position between the iron plate (206) and the fixing plate (203).

5. The tunnel blasting safety distance measuring device as described in claim 1, characterized in that: The winding assembly includes: a plug (401), a transmission rod (302), a winding shaft (303), and a threading hole (309). The plug (401) is provided in two sets, and the two sets of plugs (401) are fixedly installed at both ends of the connecting wire harness (4). The two sets of plugs (401) are respectively inserted into the top of the vibration meter body (1) and the bottom of the three-dimensional vector sensor (5). The transmission rod (302) is rotatably connected inside the wire harness receiver (3). The winding shaft (303) is coaxially fixedly installed inside the transmission rod (302). The threading hole (309) is opened in the middle of the winding shaft (303).

6. The tunnel blasting safety distance measuring device as described in claim 5, characterized in that: The winding assembly also includes a cleaning brush (301) and a spiral spring (304). The cleaning brush (301) is provided in two sets, and the two sets of cleaning brushes (301) are fixedly installed on the upper and lower sides of the wire harness receiver (3). The spiral spring (304) is coaxially fixedly installed on one end of the transmission rod (302).

7. The tunnel blasting safety distance measuring device as described in claim 5, characterized in that: The winding assembly further includes: a ratchet (305), a pawl (306), a paddle (307), and a second elastic element (308). The ratchet (305) is coaxially fixedly installed at one end of the transmission rod (302); the pawl (306) is hinged inside the wire harness receiver (3), and the pawl (306) and the ratchet (305) mesh with each other; the paddle (307) is fixedly installed inside the pawl (306); and the second elastic element (308) is fixedly installed at the bottom of the paddle (307).

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