Tunnel tunneling laser orientation measurement control device

Abstract

The utility model discloses a roadway tunneling laser orientation measurement control device, which belongs to the technical field of roadway tunneling and comprises a roadway top plate, and one end of the lower portion of the roadway top plate is connected with an adjustable support. According to the laser orientation instrument, the protection assembly is arranged, after the laser orientation instrument is used, a clamping rod is pulled towards the periphery of a cavity, the clamping rod moves to drive an external connection ring to move, the external connection ring moves to extrude a second spring, a movable cover is moved upwards along a fixed cover to be moved to be attached to the lower side wall of an end plate, an insertion block is inserted into an insertion groove, and then the clamping rod is loosened; a second spring loses the external force and restores to the original appearance, a clamping rod is driven to be movably inserted into a clamping groove, under the action of an end plate, a movable cover, a fixed cover and an external frame, the laser pointing instrument can be protected, and the situation that dust in the external environment adheres to the laser pointing instrument, and consequently the laser pointing instrument is polluted is avoided; and the subsequent use effect of the laser orientation instrument is influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel excavation, and in particular relates to a tunnel excavation laser pointing measurement control device. Background Art

[0002] The tunnel is a kind of passageway drilled between the surface and the ore body, which is used for ore transportation, ventilation, drainage, pedestrians, and various necessary preparation works for the new excavation of ore for metallurgical equipment. These passageways are collectively called tunnels.

[0003] Chinese patent application No. 202122632073.0 discloses a tunnel excavation laser pointing measurement control device, and provides an improvement in the hardware structure of the tunnel excavation laser pointing measurement control device; the technical solution adopted to solve the technical problem is: it includes a vertical bracket and a horizontal bracket, the top of the vertical bracket is connected and fixed to the tunnel roof through a roof anchor rod, and the vertical bracket is connected and fixed to the horizontal bracket through a cross sleeve, so that the horizontal bracket can be vertically lifted and lowered and swung left and right on the vertical bracket; a screw slide is also installed on the horizontal bracket, and a screw drive motor is provided at the extended end of the screw slide, and a rotating platform is installed on the screw slide, and the screw drive motor can drive the rotating platform to slide back and forth on the screw slide, and the cross-section of the rotating platform is H-shaped as a whole, and a rotating drive motor for driving the rotating platform to rotate horizontally is also provided inside the rotating platform; the utility model is applied to tunnel excavation sites.

[0004] The above patent directly installs a laser pointer on a rotating platform. Dust and other debris in the external environment adhere to the laser emitting port on the laser pointer, which can easily cause the laser emitting port to be contaminated and affect the laser emitting effect of the laser emitting port. In addition, the control host is directly fixed on the top plate of the tunnel. When the control host fails later, it is difficult for the operator to remove the control host for maintenance operations. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a tunnel excavation laser pointing measurement control device, which has the characteristics of protection, support and fixation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel excavation laser pointing measurement and control device, comprising a tunnel roof, an adjustable bracket is connected to the lower end of the tunnel roof, a control host is arranged below the tunnel roof and on one side of the adjustable bracket, a lifting assembly is arranged between the adjustable bracket and the control host, a screw slide is connected to one end of the adjustable bracket, a placement mechanism is arranged above the screw slide, a screw drive motor is arranged between the screw slide and the placement mechanism, a laser pointer is connected above the placement mechanism, and a protective assembly is arranged inside the placement mechanism and on the periphery of the laser pointer.

[0007] Preferably, the protective component includes an external frame, an end plate, a movable cover, a first spring, a fixed cover and a connector; the external frame is connected to the outer wall of the placement mechanism, the fixed cover is connected to the top of the external frame, the movable cover is plugged into the interior of the fixed cover, the first spring is connected between the movable cover and the fixed cover, the end plate is connected to one side of the external frame and located above the first spring, and a connector is provided between the end plate and the movable cover.

[0008] Preferably, the connector includes a plug-in slot, a clamping slot, an external ring, a second spring, a clamping rod, a cavity and a plug-in block. The plug-in slot is provided on one side of the end plate, the cavity is provided on one side of the plug-in slot, the clamping rod is plugged into the interior of the cavity, the external ring is connected to the outer wall of the clamping rod, the second spring is connected between the external ring and the cavity, one end of the movable cover is connected to the plug-in block, and the clamping slot is provided on both the plug-in slot and the plug-in block.

[0009] Preferably, guide pillars are connected to both sides of the cavity, and guide holes are provided on the external connecting ring at positions corresponding to the guide pillars.

[0010] Preferably, the lifting assembly includes a lifting block, a connecting block, a rotating nut, a fixed screw and a support plate. The lifting block is connected to the side wall of the adjustable bracket, the interior of the lifting block is connected to the fixed screw, the outer periphery of the fixed screw is sleeved with the connecting block, one end of the connecting block is connected to the support plate, and the rotating nut is connected to the outer side wall of the fixed screw and below the connecting block.

[0011] Preferably, one end of the connection block close to the lifting block is connected to a limiting sliding block, and a limiting sliding groove is provided on the inner side wall of the lifting block at a position corresponding to the limiting sliding block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a protection component. After the laser pointer is used, the clamping rod is pulled toward the periphery of the cavity, the movement of the clamping rod drives the movement of the external ring, the movement of the external ring squeezes the second spring, and then the movable cover is moved upward along the fixed cover to make it move and fit to the lower side wall of the end plate, and the plug-in block is then plugged into the inside of the plug-in slot, and then the clamping rod is released, the second spring loses the external force and restores its original appearance, driving the clamping rod to move and plug into the inside of the plug-in slot. Under the action of the end plate, the movable cover, the fixed cover and the external frame, the laser pointer can be protected to prevent dust in the external environment from adhering to the laser pointer, causing the laser pointer to be contaminated, and affecting the subsequent use effect of the laser pointer.

[0014] 2. The utility model is provided with a lifting component. After the control host is placed on the support plate, the rotating nut is turned to rotate and move along the fixed screw. The movement of the rotating nut drives the connecting block to move inside the lifting block. The movement of the connecting block drives the support plate to move. The movement of the support plate drives the control host to move. The height of the control host is adjusted to facilitate the disassembly and assembly of the control host. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the placement mechanism of the utility model;

[0018] Figure 4 For this utility model Figure 3 The enlarged view of point A in the middle;

[0019] Figure 5 For this utility model Figure 3 The enlarged view of point B in the middle;

[0020] Figure 6 It is a cross-sectional view of the connection state between the lifting block and the support plate of the utility model.

[0021] In the figure: 1. screw drive motor; 2. placement mechanism; 3. screw slide; 4. adjustable bracket; 5. tunnel roof; 6. control host; 7. lifting assembly; 71. lifting block; 72. connecting block; 73. rotating nut; 74. fixing screw; 75. support plate; 8. protection assembly; 81. external frame; 82. end plate; 83. movable cover; 84. first spring; 85. fixed cover; 86. plug-in; 861. plug-in slot; 862. clamping slot; 863. external ring; 864. second spring; 865. clamping rod; 866. cavity; 867. plug-in block; 9. laser pointer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] See also Figure 1-6The utility model provides the following technical solutions: a tunnel excavation laser pointing measurement and control device, including a tunnel roof 5, an adjustable bracket 4 is connected to one end below the tunnel roof 5, a control host 6 is arranged below the tunnel roof 5 and on one side of the adjustable bracket 4, a lifting component 7 is arranged between the adjustable bracket 4 and the control host 6, a screw slide 3 is connected to one end of the adjustable bracket 4, a placement mechanism 2 is arranged above the screw slide 3, a screw drive motor 1 is arranged between the screw slide 3 and the placement mechanism 2, a laser pointer 9 is connected to the top of the placement mechanism 2, and a protective component 8 is arranged inside the placement mechanism 2 and on the periphery of the laser pointer 9.

[0025] Specifically, the protection assembly 8 includes an external frame 81, an end plate 82, a movable cover 83, a first spring 84, a fixed cover 85 and a plug-in component 86. The external frame 81 is connected to the outer wall of the placement mechanism 2, the fixed cover 85 is connected above the external frame 81, the movable cover 83 is plugged into the fixed cover 85, the first spring 84 is connected between the movable cover 83 and the fixed cover 85, the end plate 82 is connected to one side of the external frame 81 and located above the first spring 84, and the plug-in component 86 is provided between the end plate 82 and the movable cover 83.

[0026] By adopting the above technical solution, after the laser pointer 9 is used, the movable cover 83 is moved up along the fixed cover 85 so that it moves and fits to the lower side wall of the end plate 82, and the movable cover 83 and the fixed cover 85 are plugged and fixed by the connector 86. Under the action of the end plate 82, the movable cover 83, the fixed cover 85 and the external frame 81, the laser pointer 9 can be protected to prevent dust in the external environment from adhering to the laser pointer 9, causing the laser pointer 9 to be contaminated, which affects the subsequent use of the laser pointer 9.

[0027] Specifically, the connector 86 includes a plug-in slot 861, a clamping slot 862, an external ring 863, a second spring 864, a clamping rod 865, a cavity 866 and a plug-in block 867. The plug-in slot 861 is provided on one side of the end plate 82, and a cavity 866 is provided on one side of the plug-in slot 861. The clamping rod 865 is inserted into the cavity 866. The outer wall of the clamping rod 865 is connected to the external ring 863. The second spring 864 is connected between the external ring 863 and the cavity 866. One end of the movable cover 83 is connected to the plug-in block 867. The clamping slot 862 is provided on both the plug-in slot 861 and the plug-in block 867.

[0028] By adopting the above-mentioned technical solution, the clamping rod 865 is pulled toward the periphery of the cavity 866, and the movement of the clamping rod 865 drives the movement of the external ring 863, and the external ring 863 moves to squeeze the second spring 864, and then the movable cover 83 is moved upward along the fixed cover 85 so that it moves to fit the lower side wall of the end plate 82, and the plug-in block 867 is then plugged into the inside of the plug-in slot 861, and then the clamping rod 865 is released, and the second spring 864 loses the external force and returns to its original appearance, driving the clamping rod 865 to move and plug into the inside of the plug-in slot 862. Under the action of the clamping rod 865 and the plug-in slot 862, the plug-in block 867 can be clamped and fixed, and then the movable cover 83 and the end plate 82 can be clamped and fixed, thereby ensuring the stability of the connection between the movable cover 83 and the end plate 82.

[0029] Specifically, guide posts are connected to both sides of the cavity 866, and guide holes are provided on the outer ring 863 at positions corresponding to the guide posts.

[0030] By adopting the above technical solution, during the movement of the external ring 863, the guiding cooperation of the guide column and the guide hole can provide a guiding effect for the movement of the external ring 863, thereby improving the stability of the movement of the external ring 863.

[0031] When the present embodiment is used, when a laser pointing measurement operation is required during tunnel excavation, one end of the adjustable bracket 4 is welded to the lower end of the tunnel roof 5, and then the height of the screw slide 3 is adjusted as required, thereby adjusting the height of the laser pointer 9, and then the screw drive motor 1 is used to adjust the positional relationship between the placement mechanism 2 and the screw slide 3, thereby adjusting the position of the laser pointer 9, and then the control host 6 is used to adjust the direction of the laser pointer 9 to implement the laser pointing measurement control operation. After the laser pointer 9 is used, the clamping rod 865 is pulled toward the periphery of the cavity 866, and the movement of the clamping rod 865 drives the movement of the external ring 863 , the external ring 863 moves to squeeze the second spring 864, and then moves the movable cover 83 upward along the fixed cover 85, so that it moves to fit the lower side wall of the end plate 82, and the plug-in block 867 is then plugged into the plug-in slot 861, and then the clamping rod 865 is released, the second spring 864 loses the external force and returns to its original state, driving the clamping rod 865 to move and plug into the inside of the clamping slot 862. Under the action of the end plate 82, the movable cover 83, the fixed cover 85 and the external frame 81, the laser pointer 9 can be protected to prevent dust in the external environment from adhering to the laser pointer 9, causing the laser pointer 9 to be contaminated, affecting the subsequent use of the laser pointer 9;

[0032] Example 2

[0033] The present embodiment is different from the embodiment 1 in that the lifting assembly 7 includes a lifting block 71, a connecting block 72, a rotating nut 73, a fixing screw 74 and a support plate 75. The lifting block 71 is connected to the side wall of the adjustable bracket 4. The fixing screw 74 is connected to the inside of the lifting block 71. The outer periphery of the fixing screw 74 is sleeved with the connecting block 72. One end of the connecting block 72 is connected to the support plate 75. The rotating nut 73 is connected to the outer side wall of the fixing screw 74 and below the connecting block 72.

[0034] Specifically, one end of the connecting block 72 close to the lifting block 71 is connected to a guide slide block, and a guide slot is provided on the inner side wall of the lifting block 71 at a position corresponding to the guide slide block.

[0035] By adopting the above technical solution, the movement of the connecting block 72 drives the guide slider to move inside the guide slot. Under the sliding cooperation of the guide slider and the guide slot, a guiding effect can be provided for the movement of the connecting block 72, thereby improving the stability of the movement of the connecting block 72.

[0036] When this embodiment is used, after placing the control host 6 on the support plate 75, the rotating nut 73 is rotated to make it rotate and move along the fixed screw 74. The movement of the rotating nut 73 drives the connecting block 72 to move inside the lifting block 71. The movement of the connecting block 72 drives the support plate 75 to move. The movement of the support plate 75 drives the control host 6 to move, and the height of the control host 6 is adjusted to facilitate the disassembly and assembly operations of the control host 6.

[0037] The structure and principle of the placement mechanism 2 composed of a rotating platform, a rotating drive motor, a base, a fixed shaft, and a vertical drive motor in the utility model have been disclosed in a tunnel excavation laser pointing measurement control device disclosed in Chinese patent application number 202122632073.0. Its working principle is: a rotating platform is arranged above the screw slide 3, and a rotating drive motor for driving the rotating platform to rotate horizontally is also arranged inside the rotating platform. A base is arranged on the upper periphery of the rotating platform, and both sides of the base are respectively installed on the rotating platform through fixed shafts, and a vertical drive motor is arranged on the side wall of the base at a position corresponding to the fixed shaft. When in use, the rotating drive motor is started by controlling the main unit 6, and the rotating drive motor is used to drive the rotating platform to rotate, which can then drive the base to rotate, and then drive the laser pointer 9 to rotate, and then the vertical drive motor is used to drive the base to rotate, so as to adjust the angle of the laser pointer 9.

[0038] Working principle and use process of the utility model: During the tunnel excavation process of the utility model, when laser pointing measurement operation is needed, one end of the adjustable bracket 4 is welded to the lower end of the tunnel roof 5, and then the control host 6 is placed on the support plate 75, and then the rotating nut 73 is turned to make it rotate and move along the fixed screw 74, and the rotating nut 73 moves to drive the connecting block 72 to move inside the lifting block 71, and the connection block 72 moves to drive the support plate 75 to move, and the support plate 75 moves to drive the control host 6 to move, and the height of the control host 6 is adjusted to facilitate the disassembly and assembly of the control host 6, and then the height of the screw slide 3 is adjusted according to the needs, and then the height of the laser pointer 9 can be adjusted, and then the control host 6 is used to adjust the direction of the laser pointer 9 to realize the laser pointing measurement control operation. After the laser pointer 9 is used, the clamping rod 865 is pulled toward the periphery of the cavity 866, and the clamping rod 865 moves to drive the external ring 863 to move, and the external ring 863 moves to squeeze the second spring 864, and then the movable cover 83 is moved up along the fixed cover 85, so that it moves to fit the lower side wall of the end plate 82, and the plug-in block 867 is then plugged into the inside of the plug-in slot 861, and then the clamping rod 865 is released, and the second spring 864 loses the external force and returns to its original appearance, driving the clamping rod 865 to move and plug into the inside of the clamping slot 862. Under the action of the end plate 82, the movable cover 83, the fixed cover 85 and the external frame 81, the laser pointer 9 can be protected to prevent dust in the external environment from adhering to the laser pointer 9, causing the laser pointer 9 to be contaminated, affecting the subsequent use effect of the laser pointer 9.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tunnel excavation laser pointing measurement control device, comprising a tunnel roof, characterized in that: An adjustable bracket is connected to one end of the lower side of the tunnel roof, a control host is arranged below the tunnel roof and on one side of the adjustable bracket, a lifting assembly is arranged between the adjustable bracket and the control host, a screw slide is connected to one end of the adjustable bracket, a placement mechanism is arranged above the screw slide, a screw drive motor is arranged between the screw slide and the placement mechanism, a laser pointer is connected above the placement mechanism, and a protective assembly is arranged inside the placement mechanism and outside the laser pointer; The protective component includes an external frame, an end plate, a movable cover, a first spring, a fixed cover and a connector. The external frame is connected to the outer wall of the placement mechanism, the fixed cover is connected to the top of the external frame, the movable cover is plugged into the interior of the fixed cover, the first spring is connected between the movable cover and the fixed cover, the end plate is connected to one side of the external frame and located above the first spring, and a connector is arranged between the end plate and the movable cover.

2. The tunnel excavation laser pointing measurement control device according to claim 1, characterized in that: The connector includes a plug-in slot, a clamping slot, an external ring, a second spring, a clamping rod, a cavity and a plug-in block. The plug-in slot is provided on one side of the end plate, the cavity is provided on one side of the plug-in slot, the clamping rod is plugged into the interior of the cavity, the external ring is connected to the outer wall of the clamping rod, the second spring is connected between the external ring and the cavity, one end of the movable cover is connected to the plug-in block, and the clamping slot is provided on both the plug-in slot and the plug-in block.

3. The tunnel excavation laser pointing measurement control device according to claim 2, characterized in that: Both sides of the cavity are connected with guide posts, and guide holes are arranged on the outer ring at positions corresponding to the guide posts.

4. The tunnel excavation laser pointing measurement control device according to claim 1, characterized in that: The lifting assembly includes a lifting block, a connecting block, a rotating nut, a fixed screw and a support plate. The lifting block is connected to the side wall of the adjustable bracket, the interior of the lifting block is connected to the fixed screw, the outer periphery of the fixed screw is sleeved with the connecting block, one end of the connecting block is connected to the support plate, and the rotating nut is connected to the outer side wall of the fixed screw and below the connecting block.

5. The tunnel excavation laser pointing measurement control device according to claim 4, characterized in that: One end of the connecting block close to the lifting block is connected with a guide sliding block, and a guide sliding groove is arranged on the inner side wall of the lifting block at a position corresponding to the guide sliding block.

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