Tunnel support operation trolley

Abstract

The present invention discloses a tunnel support operation trolley, comprising: a main frame, which is movable, and the main frame is a portal type; two rows of work platforms, which are respectively arranged on both sides of the main frame, and the work platform comprises a first horizontal platform connected to the main frame, and a second horizontal platform that can move toward or away from the main frame is arranged on the first horizontal platform; multiple pairs of support mechanisms, the support mechanism comprises a first telescopic motor arranged on the main frame, and a telescopic component arranged at the end of the first telescopic motor, and the telescopic component is bidirectionally telescopic, and the two ends are respectively telescopic toward the second horizontal platform and the main frame. The present invention realizes the adjustment of the size of the work platform by arranging a second horizontal platform that can move toward or away from the main frame, so that the work platform can fit the excavation section, which is convenient for workers to construct.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel construction equipment, and more specifically, to a tunnel support operation trolley. Background Art

[0002] The main method of mountain tunnel construction in my country is drilling and blasting. When the surrounding rock is weak and severely broken, and the self-stability is poor, it is necessary to Steel arch frames are used for initial support to ensure construction safety. The prior art patent with application number "202321845230.9" discloses a tunnel excavation support trolley, which includes a main frame, a work platform and a climbing system. The work platform is multi-layered and is spaced apart on both sides. The work platform is retractable, but it cannot support the retracted part of the work platform, affecting the stability of the supporting work platform. Summary of the invention

[0003] The present invention provides a tunnel support operation trolley, which can adjust the size of an operation platform by arranging a second horizontal platform that can move toward or away from a main frame, and can support the operation platform through a supporting mechanism to improve the stability of the operation platform.

[0004] In order to achieve these purposes and other advantages of the present invention, a tunnel support operation trolley is provided, comprising: A main frame, which is movable and is a door-type; Two rows of work platforms, the two rows of work platforms are respectively arranged on both sides of the main frame, the work platforms include a first horizontal platform connected to the main frame, and the first horizontal platform is provided with a second horizontal platform that can move toward or away from the main frame; Multiple pairs of support mechanisms are used to support multiple second horizontal platforms in a one-to-one correspondence. The support mechanisms include a first telescopic motor arranged on the main frame and a telescopic component arranged at the end of the first telescopic motor. The telescopic component is telescopic in both directions, and its two ends are respectively telescoped toward the second horizontal platform and the main frame. One end of the telescopic component contacts the lower surface of the second horizontal platform, and the other end contacts the main frame to support the second horizontal platform.

[0005] Preferably, the first horizontal platform includes a rectangular first frame and a first steel mesh disposed in the first frame, and one side of the first frame is connected to the main frame.

[0006] Preferably, the second horizontal platform includes two fixed rods parallel to the main frame, two connecting blocks arranged between the two fixed rods, a second steel mesh is commonly provided in the two connecting blocks and the two fixed rods, a first sliding block is provided on the connecting block, and first sliding rails are provided on the two sides of the first frame body perpendicular to the main frame, and the two first sliding blocks slide in a one-to-one correspondence with the two first sliding rails to enable the second horizontal platform to slide relative to the first horizontal platform.

[0007] Preferably, the vertical section of the connecting block is ┓-shaped, the first sliding block is arranged on the lower surface of the horizontal side of the connecting block, the vertical side of the connecting block is a hollow structure, a fixing block is arranged inside the connecting block, and a first threaded hole is arranged on the fixing block; Two second rotating motors are provided at the connection between the first frame and the main frame, and the two second rotating motors correspond to the two connecting blocks of the second horizontal platform respectively. The output shaft of the second rotating motor is connected to a first screw rod, which passes through the end of the connecting block and extends into the connecting block. The first screw rod passes through the first threaded hole to drive the second horizontal platform to move toward or away from the main frame through the first screw rod.

[0008] Preferably, a long strip-shaped opening is provided at the bottom end of the connecting block; A support rod is provided at the bottom end of the side where the first frame is connected to the connecting block, the support rod passes through the opening and extends into the connecting block, the end of the support rod is connected to a fixing ring, a driving cylinder is rotatably provided in the fixing ring, the driving cylinder has an internal thread, a matching second screw rod is provided in the driving cylinder, a rotatable positioning ring is provided at the end of the second screw rod, a connecting rod is provided on the positioning ring, the connecting rod passes through the opening and a first baffle with a U-shaped horizontal cross section is provided at the end, and the end of the telescopic assembly is located in the first baffle; The first lead screw is provided with a first gear, the driving cylinder is provided with a second gear, the diameter of the first gear is smaller than the diameter of the second gear, and the first gear is meshed with the second gear; When the second rotating motor drives the first screw to rotate, the first gear drives the second gear to rotate, the second gear drives the second screw to move, and the second screw drives the first baffle to move. When the first gear and the second gear rotate at the same time, the distance that the first screw drives the connecting block to move is greater than the distance that the second screw drives the first baffle to move.

[0009] Preferably, the distance that the first screw drives the connecting block to move is twice the distance that the second screw drives the first baffle to move.

[0010] Preferably, the part of the main frame located below the first horizontal platform is provided with two second telescopic motors, and the two second telescopic motors are arranged in a one-to-one correspondence with the two telescopic components. The output shaft of the second telescopic motor is connected to a second baffle with a U-shaped vertical cross-section, and the end of the telescopic component is located in the second baffle.

[0011] Preferably, the telescopic assembly includes a fixed plate connected to the output shaft of the first telescopic motor, and two electric push rods arranged on the fixed plate, the two electric push rods are in a straight line, the end of one electric push rod is located in the first baffle plate, and the end of the other electric push rod is located in the second baffle plate.

[0012] The present invention has at least the following beneficial effects: The present invention achieves the adjustment of the size of the workbench by setting a second horizontal platform that can move toward or away from the main frame, so that the workbench can fit the excavation section and facilitate the construction of workers; the present invention can not only achieve the support of the second horizontal platform by setting a supporting mechanism, but also adjust the position of the supporting mechanism according to the position of the second horizontal platform to improve the stability of the support of the second horizontal platform; the present invention drives the connecting block to rotate by driving the first screw to rotate, and drives the second screw to rotate by the first screw to achieve the movement of the first baffle with the movement of the connecting block, and the diameter of the first gear is smaller than the diameter of the second gear, so that the speed of movement of the first baffle is smaller than the speed of movement of the connecting block, so that the telescopic component is located in the middle position of the second horizontal platform, which is more conducive to improving the stability of the support, and at the same time, the second rotating motor drives the first screw and the second screw to move horizontally at different speeds at the same time; the present invention achieves the fixation of the end of the telescopic component by setting the first baffle to avoid the telescopic component from being separated from the second horizontal platform during construction.

[0013] Other advantages, objectives and features of the present invention will be reflected in part from the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of a tunnel support operation trolley according to one of the technical solutions described in the present invention; Figure 2 A schematic diagram of the structure of the support mechanism described in one of the technical solutions of the present invention; Figure 3 A schematic diagram of the structure of a connecting block according to one of the technical solutions of the present invention; Figure 4 A schematic diagram of the structure of a connecting block according to one of the technical solutions of the present invention; Figure 5A schematic structural diagram of a second baffle according to one of the technical solutions of the present invention; Figure 6 This is a structural schematic diagram of the first horizontal platform described in one of the technical solutions described in the present invention; Figure 7 This is a schematic structural diagram of the second horizontal platform described in one of the technical solutions described in the present invention. DETAILED DESCRIPTION

[0015] The present invention is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0016] like Figure 1-7 As shown, the present invention provides a tunnel support operation trolley, comprising: A main frame 2, which is movable, and the main frame 2 is a door type; Two rows of workbenches, the two rows of workbenches are respectively arranged on both sides of the main frame 2, the workbenches include a first horizontal platform 3 connected to the main frame 2, and the first horizontal platform 3 is provided with a second horizontal platform that can move toward or away from the main frame 2; Multiple pairs of support mechanisms are used to support multiple second horizontal platforms in a one-to-one correspondence. The support mechanisms include a first telescopic motor 10 arranged on the main frame 2 and a telescopic component arranged at the end of the first telescopic motor 10. The telescopic component is bidirectionally telescopic, and its two ends are respectively telescoped toward the second horizontal platform and the main frame 2. One end of the telescopic component contacts the lower surface of the second horizontal platform, and the other end contacts the main frame 2 to support the second horizontal platform.

[0017] In this technical solution, the main frame 2 is provided with a crawler walking mechanism 1, an operating system, etc., each row of workbenches includes a plurality of workbenches spaced apart from each other, climbing mechanisms (staircase type) are provided on both sides of the ends of the main frame 2 to facilitate workers to enter different workbenches through the stairs, a lighting mechanism and a plurality of explosion-proof light strips are provided on the main frame 2 to facilitate construction, an inclined support 6 is provided under the first horizontal platform 3, the other end of the inclined support 6 is connected to the main frame 2 to support the first horizontal platform 3, and the second horizontal platform moves in a horizontal plane to adjust the distance between the end of the first horizontal platform 3 and the main frame 2; a pair of supporting mechanisms are correspondingly provided on each second horizontal platform; the angle between the output shaft of the first telescopic motor 10 and the main frame is 45°, and the angle between the output shaft of the first telescopic motor 10 and the lower surface of the first frame is 45°.

[0018] During use, the second horizontal platform is first driven to move to the desired position, and then the telescopic assembly is driven to move to the corresponding position by the first telescopic motor 10, and the telescopic assembly is bidirectionally extended until one end of the telescopic assembly contacts the lower surface of the second horizontal platform, and the other end contacts the main frame 2. At this time, the end of the telescopic assembly located below the second horizontal platform is located in the middle position between the end of the first horizontal platform 3 and the end of the second horizontal platform.

[0019] By adopting this technical solution, the present invention achieves adjustment of the size of the work platform by providing a second horizontal platform that can move toward or away from the main frame 2, so that the work platform can fit the excavation section and facilitate construction by workers; the present invention can not only achieve support for the second horizontal platform by providing a supporting mechanism, but also adjust the position of the supporting mechanism according to the position of the second horizontal platform to improve the stability of the support for the second horizontal platform.

[0020] In another technical solution, the first horizontal platform 3 includes a rectangular first frame, a first steel mesh 23 disposed in the first frame, one side of the first frame is connected to the main frame 2, the oblique support 6 is connected to the first frame, and a plurality of first reinforcing rods can be arranged at intervals (along the extension direction of the tunnel) on the first steel mesh 23, and the first reinforcing rods are perpendicular to the main frame 2. With this technical solution, the present invention uses the first frame and the first steel mesh to improve the stability of the first horizontal platform 3.

[0021] In another technical solution, the second horizontal platform includes two fixed rods 25 parallel to the main frame 2 (the fixed rods 25 are arranged horizontally), two connecting blocks 4 (the two connecting blocks 4 are arranged in parallel, and the two fixed rods 25 are arranged in parallel) arranged between the two fixed rods 25, and a second steel mesh 24 is arranged in the two connecting blocks 4 and the two fixed rods 25, and a first slider 27 is arranged on the connecting block 4, and first slide rails are arranged on the two sides of the first frame body perpendicular to the main frame 2, and the two first sliders 27 slide in a one-to-one correspondence with the two first slide rails 26 to realize that the second horizontal platform can slide relative to the first horizontal platform 3, and multiple second reinforcing rods can be arranged at intervals (along the extension direction of the tunnel) on the second steel mesh 24, and the two ends of the second reinforcing rods are respectively connected to the two fixed rods 25. With this technical solution, the present invention realizes that the second horizontal platform can slide horizontally relative to the first horizontal platform 3 by setting the fixed rods 25, the connecting blocks 4, the first slide rails and the first slider.

[0022] In another technical solution, the vertical section of the connecting block 4 (the vertical section is parallel to the main frame 2) is ┓-shaped, the first sliding block 27 is arranged on the lower surface of the horizontal side of the connecting block 4, the vertical side of the connecting block 4 is a hollow structure, a fixing block 14 is arranged inside the connecting block 4, a first threaded hole is horizontally penetrated on the fixing block 14, and the vertical section of the first frame is a rectangle; Two second rotary motors 5 are provided at the connection between the first frame and the main frame 2. The two second rotary motors 5 are respectively arranged near the two ends of the first frame. The two second rotary motors 5 correspond to the two connecting blocks 4 of the second horizontal platform 3. The output shaft of the second rotary motor 5 is connected with a first screw rod 13. The first screw rod 13 is arranged horizontally. The first screw rod 13 rotates through the end of the connecting block 4 and extends into the connecting block 4. The first screw rod 13 passes through the first threaded hole to drive the second horizontal platform to move toward or away from the main frame 2 through the first screw rod 13. With this technical solution, the present invention realizes driving the second horizontal platform to move toward or away from the main frame 2 by setting the first screw rod 13, the fixing block 14 and the first threaded hole.

[0023] In another technical solution, the bottom end of the connecting block 4 is provided with a long strip opening, and the opening is arranged along the length direction of the connecting block 4; A support rod 19 is provided at the bottom end of the side where the first frame is connected to the connecting block 4 (the support rod 19 can be specifically set to be U-shaped, so that one end of the support rod 19 is connected to the first frame and the other end passes through the opening), the end of the support rod 19 passes through the opening and extends into the connecting block 4, the end of the support rod 19 is connected to a fixing ring 20, a driving cylinder 22 is rotatably provided in the fixing ring 20 (a second slide rail is provided in the positioning ring 17, and a plurality of second sliders are circumferentially provided in the driving cylinder 22, and the plurality of second sliders are slidably connected to the second slide rail), the driving cylinder 22 has an internal thread, a matching second screw rod 16 is provided in the driving cylinder 22, a rotatable positioning ring 17 is provided at the end of the second screw rod 16, a connecting rod 18 (the connecting rod 18 is vertically arranged) is provided on the positioning ring 17, the connecting rod 18 passes through the opening and a first baffle 7 with a U-shaped horizontal cross section is provided at the end (the notch of the first baffle 7 faces the main frame 2), and one end of the telescopic assembly is located in the first baffle 7; The first screw is provided with a first gear 15 (the first gear 15 is coaxially arranged with the first screw rod 13), the driving cylinder 22 is provided with a second gear 21 (the second gear 21 is coaxially arranged with the second screw rod 16), the diameter of the first gear 15 is smaller than the diameter of the second gear 21, and the first gear 15 is meshed with the second gear 21; When the second rotating motor 5 drives the first screw rod 13 to rotate, the first gear 15 drives the second gear 21 to rotate, the second gear 21 drives the second screw rod 16 to move, and the second screw rod 16 drives the first baffle 7 to move. When the first gear 15 and the second gear 21 rotate at the same time, the distance that the first screw rod 13 drives the connecting block 4 to move is greater than the distance that the second screw rod 16 drives the first baffle 7 to move, and the moving directions of the second screw rod 16 and the connecting block 4 are consistent. By adopting this technical solution, the present invention drives the connecting block 4 to move by driving the first screw rod 13 to rotate, and drives the second screw rod 16 to rotate by the first screw rod 13 so that the first baffle 7 moves with the movement of the connecting block 4, and the diameter of the first gear 15 is smaller than the diameter of the second gear 21, so that the moving speed of the first baffle 7 is smaller than the moving speed of the connecting block 4, so that the telescopic assembly is located in the middle position of the second horizontal platform, which is more conducive to improving the stability of the support, and at the same time, the second rotating motor 5 drives the first screw rod 13 and the second screw rod 16 to move horizontally at different speeds at the same time; the present invention fixes the end of the telescopic assembly by setting the first baffle 7 to avoid the telescopic assembly from being separated from the second horizontal platform during construction.

[0024] In another technical solution, the distance that the first screw rod 13 drives the connecting block 4 to move is twice the distance that the second screw rod 16 drives the first baffle plate 7 to move. This technical solution can effectively improve the stability of the support for the second horizontal platform.

[0025] In another technical solution, the part of the main frame 2 located below the first horizontal platform 3 is provided with two second telescopic motors 11, the telescopic direction of the second telescopic motor 11 is the vertical direction, the two second telescopic motors 11 are provided in one-to-one correspondence with the two telescopic components, the output shaft of the second telescopic motor 11 is connected to a second baffle 12 with a U-shaped vertical section, and the end of the telescopic component is located in the second baffle 12. With this technical solution, the present invention supports the lower end of the telescopic component by providing the second telescopic motor 11 and the second baffle 12 to improve the stability of the support.

[0026] In another technical solution, the telescopic assembly includes a fixed plate 8 connected to the output shaft of the first telescopic motor 10, and two electric push rods 9 arranged on the fixed plate 8. The two electric push rods 9 have opposite telescopic directions, and the two electric push rods 9 are in a straight line, and the end of one electric push rod 9 is located in the first baffle 7, and the end of the other electric push rod 9 is located in the second baffle 12. The technical solution is adopted to support the second horizontal platform by setting the telescopic assembly.

[0027] The number of devices and processing scales described here are used to simplify the description of the present invention. Applications, modifications and variations of the tunnel support operation trolley of the present invention will be obvious to those skilled in the art.

[0028] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. The tunnel support operation trolley is characterized by: include: A main frame, which is movable and is a door-type; Two rows of work platforms, the two rows of work platforms are respectively arranged on both sides of the main frame, the work platforms include a first horizontal platform connected to the main frame, and the first horizontal platform is provided with a second horizontal platform that can move toward or away from the main frame; Multiple pairs of support mechanisms are used to support multiple second horizontal platforms in a one-to-one correspondence. The support mechanisms include a first telescopic motor arranged on the main frame and a telescopic component arranged at the end of the first telescopic motor. The telescopic component is telescopic in both directions, and its two ends are respectively telescoped toward the second horizontal platform and the main frame. One end of the telescopic component contacts the lower surface of the second horizontal platform, and the other end contacts the main frame to support the second horizontal platform.

2. The tunnel support operation trolley according to claim 1, characterized in that: The first horizontal platform includes a rectangular first frame and a first steel mesh disposed in the first frame. One side of the first frame is connected to the main frame.

3. The tunnel support operation trolley according to claim 2, characterized in that: The second horizontal platform includes two fixed rods parallel to the main frame, two connecting blocks arranged between the two fixed rods, a second steel mesh is commonly arranged in the two connecting blocks and the two fixed rods, a first sliding block is arranged on the connecting block, and first sliding rails are arranged on the two sides of the first frame body perpendicular to the main frame, and the two first sliding blocks slide in a one-to-one correspondence with the two first sliding rails to enable the second horizontal platform to slide relative to the first horizontal platform.

4. The tunnel support operation trolley according to claim 3, characterized in that: The vertical section of the connecting block is ┓-shaped, the first sliding block is arranged on the lower surface of the horizontal side of the connecting block, the vertical side of the connecting block is a hollow structure, a fixing block is arranged inside the connecting block, and a first threaded hole is arranged on the fixing block; Two second rotating motors are provided at the connection between the first frame and the main frame, and the two second rotating motors correspond to the two connecting blocks of the second horizontal platform respectively. The output shaft of the second rotating motor is connected to a first screw rod, which passes through the end of the connecting block and extends into the connecting block. The first screw rod passes through the first threaded hole to drive the second horizontal platform to move toward or away from the main frame through the first screw rod.

5. The tunnel support operation trolley according to claim 4, characterized in that: The bottom end of the connecting block is provided with a long strip opening; A support rod is provided at the bottom end of the side where the first frame is connected to the connecting block, the support rod passes through the opening and extends into the connecting block, the end of the support rod is connected to a fixing ring, a driving cylinder is rotatably provided in the fixing ring, the driving cylinder has an internal thread, a matching second screw rod is provided in the driving cylinder, a rotatable positioning ring is provided at the end of the second screw rod, a connecting rod is provided on the positioning ring, the connecting rod passes through the opening and a first baffle with a U-shaped horizontal cross section is provided at the end, and the end of the telescopic assembly is located in the first baffle; The first lead screw is provided with a first gear, the driving cylinder is provided with a second gear, the diameter of the first gear is smaller than the diameter of the second gear, and the first gear is meshed with the second gear; When the second rotating motor drives the first screw to rotate, the first gear drives the second gear to rotate, the second gear drives the second screw to move, and the second screw drives the first baffle to move. When the first gear and the second gear rotate at the same time, the distance that the first screw drives the connecting block to move is greater than the distance that the second screw drives the first baffle to move.

6. The tunnel support operation trolley according to claim 5, characterized in that: The distance that the first screw drives the connecting block to move is twice the distance that the second screw drives the first baffle to move.

7. The tunnel support operation trolley according to claim 5, characterized in that: The part of the main frame located below the first horizontal platform is correspondingly provided with two second telescopic motors, and the two second telescopic motors are arranged in a one-to-one correspondence with the two telescopic components. The output shaft of the second telescopic motor is connected to a second baffle with a U-shaped vertical cross-section, and the end of the telescopic component is located in the second baffle.

8. The tunnel support operation trolley according to claim 7, characterized in that: The telescopic assembly includes a fixed plate connected to the output shaft of the first telescopic motor and two electric push rods arranged on the fixed plate. The two electric push rods are in a straight line, an end of one electric push rod is located in the first baffle plate, and an end of the other electric push rod is located in the second baffle plate.

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