Rail transit open excavation assembly type clearance detection device

Abstract

The utility model discloses a rail transit open excavation assembly type limit detection device, which comprises a fixed seat, the outer side of the fixed seat is fixedly connected with a fixed block, the bottom of the fixed block is provided with moving wheels, the outer side of the fixed block is fixedly connected with a connecting seat, the top of the fixed seat is fixedly connected with a bracket, and the bracket is fixedly connected with a movable wheel. The inner side of the support is slidably connected with a connecting plate, the connecting plate is slidably connected with the fixing base, the front end and the rear end of the connecting plate are fixedly connected with handles, and a detection plate is arranged on the outer side of the connecting plate. According to the utility model, through the design of the detection plate, the gauge detection work in the subway tunnel can be carried out, through the action of the motor, the output end of the motor can drive the positive and negative screw rod to rotate, the threaded motion of the push block can be realized, the push block can push and extrude the inclined block to enable the inclined block to move downwards, and the inclined block can drive the connecting plate and the positioning block to move downwards. The whole structure can be supported through the positioning blocks, and positioning use of the device is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of clearance detection devices, in particular to an open-cut assembled clearance detection device for rail transit. Background Art

[0002] The open-cut prefabricated clearance detection device for rail transit is a device used to monitor the clearance dimensions of rail transit tunnels or subway tunnels. With the development of urban rail transit, tunnel construction has become a vital component of urban transportation. To ensure the safe passage of trains and vehicles within tunnels, clearance detection devices are widely used in tunnel construction and operation.

[0003] Patent authorization publication number CN216915876U discloses a mobile clearance detection device, comprising a gantry main body with two parallel bottom bars vertically fixed to the bottom ends of each side of the gantry main body. The two bottom bars are arranged parallel to each other, and the upper surfaces of the bottom bars are fixed to diagonal support rods. This utility model effectively prevents the possibility of minor deformation of the gantry main body during collisions when the device is moved as a whole, thereby improving detection accuracy.

[0004] In the prior art, during the use of the limit detection device, the device needs to manually operate multiple wheels to achieve support when positioning it. The support positioning is troublesome and it is inconvenient to adjust the detection position of the detection plate. Utility Model Content

[0005] The purpose of the utility model is to provide an open-cut assembled clearance detection device for rail transit, which solves the problem that the device is inconvenient to support and position for use, and also solves the problem that it is inconvenient to adjust the detection position of the detection plate.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rail transit open-cut assembled limit detection device, comprising a fixed seat, a fixed block fixedly connected to the outer side of the fixed seat, a movable wheel provided at the bottom of the fixed block, a connecting seat fixedly connected to the outer side of the fixed block, a bracket fixedly connected to the top of the fixed seat, a connecting plate slidably connected to the inner side of the bracket, the connecting plate is slidably connected to the fixed seat, handles are fixedly connected to the front and rear ends of the connecting plate, a detection plate is provided on the outer side of the connecting plate, a positioning mechanism is provided on the connecting seat, and an adjustment mechanism is provided on the connecting plate.

[0007] Preferably, the positioning mechanism includes a mounting bracket, the left end of the connecting seat is fixedly connected to the mounting bracket, the inner side of the mounting bracket is fixedly installed with a motor, the output end of the motor is rotatably connected to the connecting seat, the outer side of the motor output end is fixedly connected with a forward and reverse screw, the forward and reverse screw and the connecting seat are rotatably connected via a bearing, the outer side of the forward and reverse screw is threadedly connected to two symmetrically distributed push blocks, the push blocks are slidably connected to the connecting seat, the outer side of the push blocks contacts an inclined block, the bottom of the inclined block is fixedly connected to a support plate, the support plate is slidably connected to the connecting seat, the bottom of the support plate is fixedly connected to a positioning block, the top of the support plate is fixedly connected to a slide, the slide is slidably connected to the forward and reverse screw and the connecting seat respectively, and a first spring is provided inside the slide. By designing a positioning mechanism, the positioning and use of the device is facilitated.

[0008] Preferably, a guide groove is provided inside the connecting seat, and a push block is slidably connected inside the guide groove. By designing the guide groove, the push block can slide inside the connecting seat.

[0009] Preferably, one end of the first spring is fixedly connected to the slide seat, and the other end of the first spring is in contact with the forward and reverse screw rods. By designing the first spring, the force of the first spring can act on the slide seat.

[0010] Preferably, the adjustment mechanism includes a guide block, the bottom of the connecting plate is fixedly connected to the guide block, the guide block is slidably connected to the fixed seat, the guide block is internally slidably sleeved with a guide rod, the guide rod is fixedly connected to the fixed seat, the bracket is internally provided with a groove, the groove internally movably sleeved with a ball bearing, the outer side of the ball bearing is movably sleeved with a slider, the slider is slidably connected to the connecting plate, the ball bearing is movably connected to the connecting plate, the lower end of the slider is fixedly connected to a slide rod, the slide rod is slidably connected to the connecting plate, and a second spring is provided on the outer side of the slide rod. By designing the adjustment mechanism, it is convenient to adjust the use position of the detection plate.

[0011] Preferably, there are multiple grooves, and the multiple grooves are evenly distributed inside the bracket. By designing multiple grooves, the balls can roll into the grooves at different positions.

[0012] Preferably, one end of the second spring is fixedly connected to the slider, and the other end of the second spring is fixedly connected to the connecting plate. By designing the second spring, the force of the second spring can act on the slider.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model can perform limit detection work in subway tunnels by designing the function of the detection plate. Through the function of the motor, the output end of the motor can drive the forward and reverse screws to rotate, and the threaded movement of the push block can be realized. The push block will push and squeeze the inclined block to move the inclined block downward, and the inclined block will drive the connecting plate and the positioning block to move downward. The positioning block can support the overall structure, which is convenient for positioning and use of the device.

[0015] 2. The utility model fixes the relative position of the connecting plate and the bracket by designing the plug-in connection between the ball and the groove, thereby achieving the purpose of fixing the position of the detection plate. By pulling the handle, the ball can be plugged into the grooves at different positions, and the relative position of the connecting plate and the bracket can be adjusted, which is convenient for adjusting the use position of the detection plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of a local structure of a connecting seat;

[0018] Figure 3 For this utility model Figure 1 A front cross-sectional view of the bracket;

[0019] Figure 4 For this utility model Figure 3 Enlarged view of point A.

[0020] In the figure: 1. Fixed seat; 2. Fixed block; 3. Moving wheel; 4. Connecting seat; 5. Bracket; 6. Connecting plate; 7. Handle; 8. Positioning mechanism; 9. Adjustment mechanism; 10. Detection plate; 81. Mounting frame; 82. Motor; 83. Forward and reverse screws; 84. Push block; 85. Guide groove; 86. Oblique block; 87. Support plate; 88. Positioning block; 89. Sliding seat; 891. First spring; 91. Guide block; 92. Guide rod; 93. Groove; 94. Ball; 95. Slider; 96. Sliding rod; 97. Second spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1 、 Figure 2A rail transit open-cut assembled limit detection device includes a fixed seat 1, a fixed block 2 is fixedly connected to the outside of the fixed seat 1, a moving wheel 3 is provided at the bottom of the fixed block 2, a connecting seat 4 is fixedly connected to the outside of the fixed block 2, a bracket 5 is fixedly connected to the top of the fixed seat 1, a connecting plate 6 is slidably connected to the inside of the bracket 5, the connecting plate 6 is slidably connected to the fixed seat 1, handles 7 are fixedly connected to the front and rear ends of the connecting plate 6, a detection plate 10 is provided on the outside of the connecting plate 6, a positioning mechanism 8 is provided on the connecting seat 4, and an adjustment mechanism 9 is provided on the connecting plate 6.

[0023] See also Figure 1 、 Figure 2 The positioning mechanism 8 includes a mounting frame 81, the left end of the connecting seat 4 is fixedly connected to the mounting frame 81, the inner side of the mounting frame 81 is fixedly installed with a motor 82, the output end of the motor 82 is rotatably connected to the connecting seat 4, the outer side of the output end of the motor 82 is fixedly connected with a forward and reverse screw 83, the forward and reverse screw 83 is rotatably connected to the connecting seat 4 through a bearing, the outer side of the forward and reverse screw 83 is connected by a thread with two symmetrically distributed push blocks 84, the push block 84 is slidably connected to the connecting seat 4, the interior of the connecting seat 4 is provided with a guide groove 85, the interior of the guide groove 85 is slidably connected with the push block 84, by designing the guide groove 85, the push block 84 can slide inside the connecting seat 4, and the push block 84 There is an inclined block 86 in contact with the outside, and the bottom of the inclined block 86 is fixedly connected to a support plate 87, and the support plate 87 is slidably connected to the connecting seat 4. The bottom of the support plate 87 is fixedly connected to a positioning block 88, and the top of the support plate 87 is fixedly connected to a slide 89, and the slide 89 is slidably connected to the forward and reverse screws 83 and the connecting seat 4 respectively. A first spring 891 is provided inside the slide 89, and one end of the first spring 891 is fixedly connected to the slide 89, and the other end of the first spring 891 is in contact with the forward and reverse screws 83. By designing the first spring 891, the force of the first spring 891 can act on the slide 89, and by designing the positioning mechanism 8, the positioning and use of the device is facilitated.

[0024] See also Figure 1 、 Figure 3 、 Figure 4The adjusting mechanism 9 includes a guide block 91, a guide block 91 is fixedly connected to the bottom of the connecting plate 6, the guide block 91 is slidably connected to the fixed seat 1, the internal sliding sleeve of the guide block 91 is connected to the guide rod 92, the guide rod 92 is fixedly connected to the fixed seat 1, a groove 93 is provided inside the bracket 5, and a ball 94 is movably sleeved inside the groove 93. The number of grooves 93 is multiple, and the multiple grooves 93 are evenly distributed inside the bracket 5. By designing multiple grooves 93, the ball 94 can roll into the grooves 93 at different positions, and the outer sleeve of the ball 94 is movable. It is connected to a slider 95, which is slidably connected to the connecting plate 6, and the ball bearing 94 is movably connected to the connecting plate 6. The lower end of the slider 95 is fixedly connected to a slide rod 96, which is slidably connected to the connecting plate 6. A second spring 97 is provided on the outer side of the slide rod 96, and one end of the second spring 97 is fixedly connected to the slider 95, and the other end of the second spring 97 is fixedly connected to the connecting plate 6. By designing the second spring 97, the force of the second spring 97 can act on the slider 95. By designing the adjustment mechanism 9, it is convenient to adjust the use position of the detection plate 10.

[0025] The specific implementation process of the present invention is as follows: When in use, the detection plate 10 can be used to detect the limit in the subway tunnel. When the device needs to be positioned, the motor 82 is started, and the output end of the motor 82 can drive the forward and reverse screws 83 to rotate, causing the push block 84 to perform a threaded motion. The two push blocks 84 will move in opposite directions, and the push blocks 84 will slide along the guide groove 85. At the same time, the push blocks 84 will slide along the inclined surface of the inclined block 86. The push blocks 84 will push and squeeze the inclined block 86 to move it downward. The inclined block 86 will drive the support plate 87 and the positioning block 88 to move downward. The support plate 87 drives the slide 89 to move downward. The slide 89 squeezes the first spring 891. The positioning block 88 can support the entire structure, making it convenient for the positioning of the device.

[0026] When the position of the detection plate 10 needs to be adjusted, the handle 7 is directly pulled, and the handle 7 drives the connecting plate 6 to move, and the connecting plate 6 drives the guide block 91 to slide along the guide rod 92. At the same time, the connecting plate 6 drives the ball 94 to slide along the arc surface of the groove 93. The arc surface of the groove 93 will squeeze and push the ball 94 to move downward, and the ball 94 will drive the slider 95 and the slide rod 96 to move downward, and the slider 95 squeezes the second spring 97. As the connecting plate 6 moves, the slider 95 will have an upward reaction under the elastic action of the second spring 97, and the slider 95 will be pushed to reset, so that the ball 94 is pushed into the inside of the groove 93 at another position, so that the ball 94 can be plugged into the groove 93 at different positions, and then the relative position of the connecting plate 6 and the bracket 5 can be adjusted, which is convenient for adjusting the use position of the detection plate 10.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rail transit open-cut assembled clearance detection device, comprising a fixing seat (1), characterized in that: The outer side of the fixing seat (1) is fixedly connected to a fixing block (2), the bottom of the fixing block (2) is provided with a moving wheel (3), the outer side of the fixing block (2) is fixedly connected to a connecting seat (4), the top of the fixing seat (1) is fixedly connected to a bracket (5), the inner side of the bracket (5) is slidably connected to a connecting plate (6), the connecting plate (6) is slidably connected to the fixing seat (1), the front and rear ends of the connecting plate (6) are fixedly connected to handles (7), the outer side of the connecting plate (6) is provided with a detection plate (10), the connecting seat (4) is provided with a positioning mechanism (8), and the connecting plate (6) is provided with an adjustment mechanism (9).

2. The open-cut assembly type clearance detection device for rail transit according to claim 1, characterized in that: The positioning mechanism (8) includes a mounting frame (81), the left end of the connecting seat (4) is fixedly connected to the mounting frame (81), the inner side of the mounting frame (81) is fixedly mounted with a motor (82), the output end of the motor (82) is rotatably connected to the connecting seat (4), the outer side of the output end of the motor (82) is fixedly connected with a forward and reverse screw (83), the forward and reverse screw (83) is rotatably connected to the connecting seat (4) through a bearing, the outer side of the forward and reverse screw (83) is connected to two symmetrically distributed push blocks (84) through a thread, the push blocks ( 84) is slidably connected to the connecting seat (4), the outer side of the push block (84) contacts with an inclined block (86), the bottom of the inclined block (86) is fixedly connected with a support plate (87), the support plate (87) is slidably connected to the connecting seat (4), the bottom of the support plate (87) is fixedly connected with a positioning block (88), the top of the support plate (87) is fixedly connected with a slide seat (89), the slide seat (89) is slidably connected to the forward and reverse screws (83) and the connecting seat (4), respectively, and a first spring (891) is provided inside the slide seat (89).

3. The open-cut assembly type clearance detection device for rail transit according to claim 1, characterized in that: A guide groove (85) is provided inside the connecting seat (4), and a push block (84) is slidably connected inside the guide groove (85).

4. The open-cut assembly type clearance detection device for rail transit according to claim 2, characterized in that: One end of the first spring (891) is fixedly connected to the slide seat (89), and the other end of the first spring (891) is in contact with the forward and reverse screw rods (83).

5. The open-cut assembly type clearance detection device for rail transit according to claim 1, characterized in that: The adjusting mechanism (9) includes a guide block (91), the bottom of the connecting plate (6) is fixedly connected to the guide block (91), the guide block (91) is slidably connected to the fixed seat (1), the guide block (91) is internally slidably sleeved with a guide rod (92), the guide rod (92) is fixedly connected to the fixed seat (1), a groove (93) is provided inside the bracket (5), a ball (94) is movably sleeved inside the groove (93), a slider (95) is movably sleeved on the outside of the ball (94), the slider (95) is slidably connected to the connecting plate (6), the ball (94) is movably connected to the connecting plate (6), the lower end of the slider (95) is fixedly connected to a slide rod (96), the slide rod (96) is slidably connected to the connecting plate (6), and a second spring (97) is provided on the outside of the slide rod (96).

6. The open-cut assembly type clearance detection device for rail transit according to claim 5, characterized in that: There are multiple grooves (93), and the multiple grooves (93) are evenly distributed inside the bracket (5).

7. The open-cut assembly type clearance detection device for rail transit according to claim 5, characterized in that: One end of the second spring (97) is fixedly connected to the slider (95), and the other end of the second spring (97) is fixedly connected to the connecting plate (6).

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