Projection trolley for assisting chamber section measurement
By combining the stepper motor and lidar system of the projection trolley with a dust collection device, the problem of low efficiency in chamber cross-section measurement was solved, achieving efficient and accurate cross-section measurement.
Patent Information
- Application Number
- CN202520091840.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-15
AI Technical Summary
The existing method for measuring the cross-section of the chamber is inefficient and requires frequent adjustments to the laser's forward and backward distance, which affects the speed of the project.
The projection trolley used for auxiliary chamber cross-section measurement uses a stepper motor to control the wheels to move forward. Combined with lidar and a cross-shaped omnidirectional laser generator, it ensures that the cross-section spacing is equal and is equipped with a dust extraction fan to clean up dust, thereby improving measurement efficiency and accuracy.
It enables rapid positioning of cross-sections, ensures that each cross-section measurement point is on the same mileage, controls the cross-section spacing to be equal, improves measurement efficiency, and reduces the impact of dust through a dust extraction system to ensure the accuracy of measurement data.
Smart Images

Figure CN223678499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to adit section measurement, concretely relates to a projection trolley of auxiliary adit section measurement. BACKGROUND
[0002] Adit section measurement is very important in engineering construction, because the shape and size of adit section are the key elements of adit design, and the measurement data is the important basis for adit excavation or lining measurement, and accurate section measurement guarantees the accuracy of lining measurement.
[0003] In mine adit design, different ore mining and transportation modes have different requirements for adit section shape and size: if large mine cars are used to transport ore, rectangular adit sections with sufficient width and height are needed to ensure the smooth passing of mine cars; and for some adits mainly used for personnel passing and small equipment placement, arched sections can meet the requirements, and the arched structure has certain advantages in mechanical properties, and by measuring the existing similar function adit sections, the optimal structure parameters of the new adit can be better determined.
[0004] Most adit section measurements in existing projects use total station instruments at fixed erection points, and laser surrounds one section to measure a circle, and then the laser forward distance is judged according to the section spacing. In order to ensure equal section spacing, the laser front and rear distance needs to be adjusted during section forward measurement, which leads to low section measurement efficiency and affects the speed of project progress. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical problem that the existing adit section measurement efficiency is low, and provides a projection trolley of auxiliary adit section measurement which can improve the section measurement efficiency.
[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:
[0007] A projection trolley of auxiliary adit section measurement, comprising a vehicle frame body and wheels installed at the bottom of the vehicle frame body, a stepping motor, a laser radar, a laser generator and a main control device are arranged on the vehicle frame body, the output end of the stepping motor is fixedly connected with the wheels, and the main control device is electrically connected with the stepping motor, the laser radar and the laser generator.
[0008] The stepping motor can determine the distance between the sections, ensure equal section spacing, avoid adjusting the laser front and rear distance in front of the projection trolley, and improve the section measurement efficiency.
[0009] Preferably, the laser generator is a cross omnidirectional laser generator, and the wheels are Mecanum wheels.
[0010] Preferably, a remote control receiver is further installed on the frame body, and the remote control receiver is provided with a remote controller for remote control.
[0011] Preferably, a dust suction fan is installed on the frame body, and a dust suction pipe is fixedly connected to an input end of the dust suction fan, and a dust collecting cover is fixedly connected to an end of the dust suction pipe to clean dust and sundries during measurement.
[0012] Preferably, a first supporting rod is fixedly connected to the frame body, a second supporting rod is slidably installed in the first supporting rod, a first connecting plate is fixedly connected to a top end of the second supporting rod, one end of the first connecting plate is rotatably connected to one end of a second connecting plate, and mounting holes are formed in the other ends of the first connecting plate and the second connecting plate, and the mounting holes in the first connecting plate and the second connecting plate are detachably connected through a bolt and a fixing nut after the dust suction pipe is placed between the first connecting plate and the second connecting plate.
[0013] Preferably, a plurality of adjusting holes are formed in the side wall of the first supporting rod, a sliding groove is formed in the side wall of the second supporting rod, a spring assembly is fixedly connected in the sliding groove, and a clamping block is fixedly connected to an end of the spring assembly, and when the second supporting rod is slid to a suitable position, the clamping block is slid into the corresponding adjusting hole to lock the position of the second supporting rod.
[0014] Preferably, rubber pads are arranged on the first connecting plate and the second connecting plate to protect the dust suction pipe from being damaged due to installation.
[0015] Preferably, a filter box is arranged in the middle of the dust suction pipe, a filter plate is slidably connected in the filter box, and a mounting plate for closing the filter box is fixedly connected to an end of the filter plate to protect the dust suction fan and ensure that the air power of the dust suction fan is not affected.
[0016] Preferably, a handle is fixedly connected to the outer surface of the mounting plate to facilitate taking and replacing or cleaning the filter plate.
[0017] Preferably, a plurality of sealing strips are arranged between the mounting plate and the filter box to ensure the sealing of the filter box.
[0018] Compared with the prior art, the utility model has the advantages that:
[0019] 1) The utility model not only is simple and convenient to operate, but also can assist the measurement personnel in quickly positioning the section for the section measurement of the chamber, ensures that each section measurement point is on the same mileage, effectively controls the distance between the sections, ensures that the distance between each section is equal, and further improves the efficiency of the section measurement of the chamber.
[0020] 2)The utility model discloses a dust suction pipe structure is set up, when carrying out the chamber section measurement, can the dust and impurity around the trolley be absorbed, thereby reducing the coal dust of entering the inside of instrument equipment, guaranteeing the performance of the inside optical element of equipment, improve the accuracy of measurement data. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description in the drawing of some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0022] Figure 1 It is the three-dimensional structure diagram of the utility model;
[0023] Figure 2 It is the three-dimensional structure diagram of the utility model after the frame main part is cut;
[0024] Figure 3 It is the three-dimensional structure diagram of the utility model from the angle of elevation;
[0025] Figure 4 It is the three-dimensional structure diagram of the utility model from the rear angle;
[0026] Figure 5 It is the locking structure diagram of the second support rod of the utility model.
[0027] Legend:
[0028] 1, frame main body;10, step motor;11, wheel;12, laser radar;13, laser generator;14, main control equipment;15, remote control receiver;16, placing box;
[0029] 2, fixed rod;21, dust suction fan;22, dust suction pipe;23, dust collecting cover;
[0030] 3, first support rod;31, second support rod;32, first connecting plate;33, second connecting plate;34, support plate;35, mounting hole;36, bolt;37, fixed nut;
[0031] 4, adjusting hole;41, sliding groove;42, spring assembly;43, clamping block;
[0032] 5, filter box;51, filter plate;52, mounting plate;53, handle;
[0033] 6, sealing strip;7, rubber pad. DETAILED DESCRIPTION
[0034] The utility model will be further described below in combination with specific preferred embodiments, but it is not limited to the protection scope of the utility model.
[0035] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0036] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0037] Please refer to Figures 1-4The utility model discloses an auxiliary adit section measurement's projection dolly one embodiment of car frame main body 1 including presents cuboid, and car frame main body 1 adopts aluminium alloy material to be made, and is surrounded by edge reinforcement at the periphery, the bottom of car frame main body 1 is provided with multiple groups of stepper motor 10, the output of stepper motor 10 is fixedly connected with wheel 11, wheel 11 preferably adopts the Mecanum wheel, the front of car frame main body 1 is fixedly connected with laser radar 12, the top of car frame main body 1 is fixedly connected with laser generator 13, laser generator 13 preferably adopts cross omnidirectional laser generator, the inboard of car frame main body 1 is fixedly connected with main control equipment 14, the side wall of car frame main body 1 is fixedly connected with placing box 16, and remote control receiver 15 is installed through placing box 16, and remote control receiver 15 is equipped with the remote controller matched therewith, when working, can make the dolly advance or translate to both sides through four wheels 11 set up at the bottom of car frame main body 1, through remote control receiver 15 receiving remote controller signal or through main control equipment 14 drive stepper motor 10, make wheel 11 advance, and can set the distance of dolly each time advancing through main control equipment 14, guarantee that the distance of each section is equal, through laser radar 12 scanning the surrounding obstacles in the dolly advancing process and avoiding obstacles, guarantee the safety of dolly and the equipment in the car, and through laser radar 12 relative positioning, guarantee that the dolly always advances along the adit axis, cross omnidirectional laser generator has a round level bubble, guarantee laser plumb bob, when the dolly travels to fixed mileage section, laser projects on adit section, guides auxiliary measurement personnel to complete the measurement of a section, again through stepper motor 10 drive a fixed distance, reach the next section, complete the next section measurement, repeat like this, complete multi-section measurement, the utility model not only simple and convenient operation, and for adit section measurement can assist measurement personnel to position section quickly, guarantee that each section measurement point is on the same mileage, effectively control the distance between sections simultaneously, guarantee that each section distance is equal, improve the efficiency of adit section measurement.
[0038] Further, as shown in Figure 1 、 Figure 4 , the rear end of the car frame main body 1 is fixedly connected with a fixed rod 2, the fixed rod 2 is fixedly connected with a dust suction fan 21, the input end of the dust suction fan 21 is fixedly connected with a dust suction pipe 22, and the end of the dust suction pipe 22 is fixedly connected with a dust collecting cover 23. The fixed rod 2 can support the dust suction fan 21. When the dolly is measuring, the dust suction fan 21 is operated to generate suction force, thereby absorbing the dust and impurities around the dolly through the dust suction pipe 22, and expanding the absorption range through the dust collecting cover 23 to reduce the coal dust entering the interior of the instrument and affecting the performance of the optical element, thereby improving the accuracy of the measurement data. For the convenience of dust storage, the dust collecting cover 23 is inclined.
[0039] Further, as shown in Figure 1 、 Figure 3 ,Figure 4 , Figure 5 As shown, a first support rod 3 is vertically mounted on the top of the frame body 1. A second support rod 31 is slidably connected inside the first support rod 3. A semi-circular first connecting plate 32 is fixedly connected to the top of the second support rod 31. One end of the first connecting plate 32 is rotatably connected to one end of a semi-circular second connecting plate 33. Support plates 34 are fixedly connected to the other ends of the first connecting plate 32 and the second connecting plate 33, respectively. Mounting holes 35 are respectively opened on the two support plates 34. A pin 36 is provided in the mounting hole 35 of one of the support plates 34, and a fixing nut 37 is threadedly connected to the pin 36. The first support rod 3 supports the second support rod 31, and the second support rod 31 supports the first connecting plate 32. When vacuuming with the vacuum hose 22, the operator can place the vacuum hose 22 inside the first connecting plate 32, then rotate the second connecting plate 33 to align the support plates 34 on the first and second connecting plates. Then, remove the fixing nut 37 on the pin 36 and insert the free end of the pin 36 into the mounting hole 35 of the other support plate 34. Screw the fixing nut 37 into the end of the pin 36 to lock the two support plates 34 together, thereby forming a vacuum hose mounting hole between the first connecting plate 32 and the second connecting plate 33, so that the vacuum hose 22 is limited and fixed to prevent the vacuum hose 22 from falling off during vacuuming.
[0040] Furthermore, such as Figure 5 As shown, the first support rod 3 has multiple sets of adjustment holes 4 on its side wall; the second support rod 31 has a sliding groove 41 on its side wall; a spring assembly 42 is fixedly connected in the sliding groove 41; a locking block 43 is fixedly connected to the end of the spring assembly 42; by pressing the locking block 43, the spring assembly 42 is compressed, thereby causing the locking block 43 to retract into the sliding groove 41. Then, the worker pulls the second support rod 31 to move the first support rod 3, thereby causing the first connecting plate 32 and the vacuum pipe 22 to move accordingly. When the vacuum pipe 22 moves to a suitable height, the worker selects a suitable adjustment hole 4 and releases the locking block 43. Using the reset function of the spring assembly 42, the locking block 43 pops out of the sliding groove 41, thereby fixing the adjusted height of the vacuum pipe 22 and the first connecting plate 32.
[0041] Furthermore, such as Figure 1 , Figure 2 , Figure 4As shown, the middle part of the dust suction pipe 22 is provided with a filter box 5; the filter box 5 is slidably connected with a filter plate 51; the end of the filter plate 51 is fixedly connected with a mounting plate 52 for closing the filter box 5; the outer surface of the mounting plate 52 is fixedly connected with a handle 53; during operation, the filter plate 51 is supported by the filter box 5, the absorbed dust and impurities are filtered by the filter plate 51, the filter box 5 is closed by the mounting plate 52, so that the dust and impurities cannot leak out, and the air pressure of the dust suction fan 21 is not affected, the handle 53 on the mounting plate 52 is convenient for the staff to take the filter plate 51 for cleaning or replacement, so that the dust and impurities absorbed by the dust suction pipe 22 can be filtered, thereby reducing the damage to the dust suction fan 21.
[0042] Further, as shown in Figure 4 The inner surface of the mounting plate 52 is mounted with a plurality of sealing strips 6, which improves the sealing performance of the filter box 5, thereby reducing the dust and impurities from escaping. The connection mode of the sealing strip 6 and the mounting plate 52 is preferably adhesive connection.
[0043] Further, as shown in Figure 3 The inner side wall of the first connecting plate 32 and the second connecting plate 33 is fixedly connected with a rubber pad 7; during operation, the dust suction pipe 22 plays a protective role through the rubber pad 7, avoiding damage to the dust suction pipe 22 during limiting and fixing.
[0044] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application by using the disclosed technical content, or modify it into equivalent examples of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above examples according to the technical essence of the present application shall fall within the protection scope of the technical scheme of the present application.
Claims
1. A projection trolley for assisting in the measurement of chamber cross sections, comprising a frame body (1) and wheels (11) mounted on the bottom of the frame body, characterized in that: The frame body (1) is equipped with a stepper motor (10), a lidar (12), a laser generator (13), and a main control device (14). The output end of the stepper motor (10) is fixedly connected to a wheel (11). The main control device (14) is electrically connected to the stepper motor (10), the lidar (12), and the laser generator (13).
2. The projection trolley for auxiliary chamber cross-section measurement as described in claim 1, characterized in that: The laser generator (13) is a cross-shaped omnidirectional laser generator, and the wheel (11) is a Mecanum wheel.
3. The projection trolley for auxiliary chamber cross-section measurement as described in claim 1, characterized in that: The frame body (1) is also equipped with a remote control receiver (15), and the remote control receiver (15) is equipped with a remote control.
4. The projection trolley for auxiliary chamber cross-section measurement as described in claim 1, characterized in that: A vacuum cleaner fan (21) is installed on the frame body (1). A vacuum cleaner pipe (22) is fixedly connected to the input end of the vacuum cleaner fan (21), and a dust collection hood (23) is fixedly connected to the end of the vacuum cleaner pipe (22).
5. The projection trolley for auxiliary chamber cross-section measurement as described in claim 4, characterized in that: A first support rod (3) is fixedly installed on the frame body (1). A second support rod (31) is slidably installed inside the first support rod (3). A first connecting plate (32) is fixedly connected to the top of the second support rod (31). One end of the first connecting plate (32) is rotatably connected to one end of the second connecting plate (33). The other ends of the first connecting plate (32) and the second connecting plate (33) are respectively provided with mounting holes (35). After the dust suction pipe (22) is placed between the first connecting plate (32) and the second connecting plate (33), the mounting holes (35) on the first connecting plate (32) and the second connecting plate (33) are detachably connected by a pin (36) and a fixing nut (37).
6. The projection trolley for auxiliary chamber cross-section measurement as described in claim 5, characterized in that: The first support rod (3) has multiple sets of adjustment holes (4) on its side wall, and the second support rod (31) has a sliding groove (41) on its side wall. A spring assembly (42) is fixedly connected in the sliding groove (41), and a locking block (43) is fixedly connected to the end of the spring assembly (42). When the second support rod slides to a suitable position, the locking block slides into the corresponding adjustment hole to lock the position of the second support rod.
7. The projection trolley for auxiliary chamber cross-section measurement as described in claim 5, characterized in that: Rubber pads (7) are laid on the first connecting plate (32) and the second connecting plate (33).
8. The projection trolley for auxiliary chamber cross-section measurement as described in claim 4, characterized in that: A filter box (5) is provided in the middle of the suction pipe (22), and a filter plate (51) is slidably connected inside the filter box (5). An installation plate (52) for sealing the filter box is fixed to the end of the filter plate (51).
9. The projection trolley for auxiliary chamber cross-section measurement as described in claim 8, characterized in that: A handle (53) is fixed to the outer surface of the mounting plate (52).
10. The projection trolley for auxiliary chamber cross-section measurement as described in claim 8, characterized in that: Multiple sets of sealing strips are provided between the mounting plate (52) and the filter box (5).