Foldable mobile platform for tunnel construction

Abstract

The utility model provides a kind of foldable mobile platform for tunnel construction, it is related to tunnel construction equipment technical field, and it includes: mobile vehicle frame, mobile vehicle frame upper is equipped with operation platform;Shear fork assembly is equipped between the operation platform and mobile vehicle frame;The front and rear sides of the top of mobile vehicle frame are equipped with limit frame;The connecting seat is equipped with limit frame upper, and connecting seat is connected with operation platform bottom, by crankshaft and telescopic rod interwork, make sliding block along limit sliding slot up and down sliding, and utilize the rebound of tensile spring, can make operation platform lift more stable, avoid its violent shaking or abrupt feeling, it is convenient for construction personnel accurate operation, improve operation quality, solve the mobile platform for tunnel construction in use when existing, platform lifting process can appear violent shaking or abrupt feeling, especially when aerial work, the problem that the lack of stability can affect construction precision.

Description

Technical Field

[0001] This utility model relates to the field of tunnel construction equipment technology, and in particular to a foldable mobile platform for tunnel construction. Background Technology

[0002] A mobile platform for tunnel construction is a piece of equipment specifically designed for tunnel construction. It can move inside a tunnel and provide construction workers with a platform for high-altitude operations, material transportation, and equipment operation.

[0003] When using existing mobile platforms for tunnel construction, there may be violent shaking or jerking during the lifting and lowering process. Especially when working at height, insufficient stability will affect the construction accuracy. Moreover, the hydraulic cylinder of the scissor lift mobile platform is the core power component and requires regular maintenance and repair. Due to the limited installation space for the hydraulic cylinder, its installation and disassembly process is troublesome, and downtime maintenance requires a long time. Utility Model Content

[0004] This utility model relates to a foldable mobile platform for tunnel construction. Through the cooperation of the crankshaft and the telescopic rod, the sliding block slides up and down along the limiting groove. The rebound pulling action of the tension spring can make the lifting and lowering of the operating platform more stable, avoiding violent shaking or jerking, facilitating precise operation by construction personnel and improving the quality of work.

[0005] This utility model provides a foldable mobile platform for tunnel construction, specifically including: a mobile frame, an operating platform on top of the mobile frame; a scissor lift assembly between the operating platform and the mobile frame; limiting frames on the front and rear sides of the top of the mobile frame; a connecting seat on top of the limiting frames, and the connecting seat is connected to the bottom of the operating platform; two hydraulic cylinders on the scissor lift assembly; and a connecting frame on the scissor lift assembly, with the connecting frame corresponding to the position of the hydraulic cylinders. The mobile frame has two wheels on both the left and right sides. There are two motors on the left side of the mobile frame, and the motors are matched with the left wheels. There are two first guide grooves inside the mobile frame, and the two first guide grooves are distributed symmetrically. There are support base plates at the front and rear ends of the mobile frame, and the limit frame is fixedly installed on the support base plates.

[0006] Furthermore, the top of the operating platform is equipped with a protective railing, and the bottom of the operating platform is equipped with two second guide grooves, which are distributed symmetrically.

[0007] Furthermore, the scissor lift assembly includes a first scissor lift bracket, a second scissor lift bracket, rollers, a mounting rod, and a limiting post. The first scissor lift bracket and the second scissor lift bracket are rotatably connected by a pin, and rollers are rotatably mounted on the rear side of both the first and second scissor lift brackets. The first scissor lift bracket is rotatably connected to a first guide groove through the rollers, and the second scissor lift bracket is rotatably connected to a second guide groove through the rollers. A mounting rod is provided on the front side of the second scissor lift bracket, and a limiting post is provided on the mounting rod.

[0008] Furthermore, the limiting frame has a U-shaped structure and two limiting grooves. A fixed plate is provided at the top of the limiting groove, and a limiting slide rod is provided at the bottom of the fixed plate. A tension spring is fitted on the limiting slide rod. A sliding block is slidably installed in the limiting groove, and a connecting shaft is provided between the two sliding blocks. The limiting slide rod slides through the sliding block, and both ends of the tension spring are connected to the sliding block and the fixed plate, respectively.

[0009] Furthermore, the connecting seat has a U-shaped structure, and a crankshaft is rotatably mounted on the connecting seat. A telescopic rod is provided below the connecting seat, and a first rotating sleeve is provided at the top of the telescopic rod, which is rotatably connected to the crankshaft. A second rotating sleeve is provided at the bottom of the telescopic rod, which is rotatably connected to the connecting shaft.

[0010] Furthermore, the two hydraulic cylinders are distributed symmetrically on the left and right, and the bottom of the hydraulic cylinder is provided with a third rotating sleeve, which is rotated and fitted onto the limiting post. The two hydraulic cylinders are provided with fixed frames on their inner sides. The left fixed frame is provided with two elastic buckles, and the right fixed frame is provided with two docking sleeve frames. The elastic buckles are engaged with the rectangular slots of the docking sleeve frames.

[0011] Furthermore, the connecting frame is rotatably connected to the first scissor lift via a pin, and a limiting groove is provided on the inner side of the connecting frame. A positioning frame is provided in the limiting groove, and the positioning frame is connected to the top of the push rod of the hydraulic cylinder.

[0012] This utility model provides a foldable mobile platform for tunnel construction, which has the following advantages: This utility model is equipped with a limit frame and a connecting seat. When the hydraulic cylinder provides power to drive the scissor fork assembly to lift and lower the operating platform, the crankshaft and telescopic rod cooperate to make the sliding block slide up and down along the limit slide groove. With the rebound pulling action of the tension spring, the lifting and lowering of the operating platform can be made more stable, avoiding violent shaking or jerking, which facilitates precise operation by construction personnel and improves the quality of work.

[0013] Furthermore, in this utility model, the positioning frame can be quickly disassembled from the limiting groove. At the same time, by manual adjustment, the elastic buckle can be disengaged from the rectangular slot of the docking sleeve, and the two hydraulic cylinders can be pushed to the left and right sides respectively. The third rotating sleeve at the bottom of the hydraulic cylinder can be disengaged from the limiting post, realizing the quick disassembly of the hydraulic cylinder, simplifying the operation and maintenance steps, facilitating the replacement and repair of the hydraulic cylinder, and effectively improving the operation and maintenance efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0015] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0016] In the attached diagram: Figure 1 This shows a schematic diagram of the overall axial view structure of this application; Figure 2 A schematic diagram of the mobile vehicle frame structure of this application is shown; Figure 3 This paper shows a schematic diagram of the operating platform, scissor lift assembly, limit frame, connecting seat, hydraulic cylinder, and connecting frame structure of this application; Figure 4 This diagram shows the structure of the limit frame and connecting seat in their disassembled state according to this application; Figure 5 A schematic diagram of the scissor lift assembly, hydraulic cylinder, and connecting frame structure of this application is shown; Figure 6 A schematic diagram of the hydraulic cylinder and connecting frame in their disassembled state is shown in this application.

[0017] List of reference numerals in the attached diagram: 1. Mobile frame; 101. Wheel; 102. Motor; 103. First guide groove; 104. Support base plate; 2. Operating platform; 201. Guardrail; 202. Second guide groove; 3. Scissor lift assembly; 301. First scissor lift frame; 302. Second scissor lift frame; 303. Rolling wheel; 304. Mounting rod; 305. Limiting post; 4. Limiting frame; 401. Limiting slide groove; 402. Fixing plate; 403. Limiting slide rod; 404. Tension spring; 405. Sliding block; 406. Connecting shaft; 5. Connecting seat; 501. Crankshaft; 502. Telescopic rod; 503. First rotating sleeve; 504. Second rotating sleeve; 6. Hydraulic cylinder; 601. Third rotating sleeve; 602. Fixing frame; 603. Elastic buckle; 604. Docking sleeve frame; 7. Connecting frame; 701. Limiting groove; 702. Positioning frame. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] Example 1: Please refer to Figures 1 to 6 : This utility model proposes a foldable mobile platform for tunnel construction, comprising: a mobile frame 1, an operating platform 2 on top of the mobile frame 1; a scissor lift assembly 3 between the operating platform 2 and the mobile frame 1; limiting frames 4 on the front and rear sides of the top of the mobile frame 1; a connecting seat 5 on top of the limiting frame 4, and the connecting seat 5 is connected to the bottom of the operating platform 2; two hydraulic cylinders 6 on the scissor lift assembly 3; and a connecting frame 7 on the scissor lift assembly 3, with the connecting frame 7 corresponding to the position of the hydraulic cylinders 6. The mobile frame 1 has two wheels 101 on both the left and right sides. The left side of the mobile frame 1 has two motors 102, and the motors 102 are matched with the left wheels 101. The mobile frame 1 has two first guide grooves 103, and the two first guide grooves 103 are distributed symmetrically. The mobile frame 1 has a support base plate 104 at both the front and rear ends, and the limit frame 4 is fixedly installed on the support base plate 104. The top of the operating platform 2 is equipped with a guardrail 201, and the bottom of the operating platform 2 is equipped with two second guide grooves 202, which are distributed symmetrically. The scissor fork assembly 3 includes a first scissor fork holder 301, a second scissor fork holder 302, rollers 303, a mounting rod 304, and a limiting post 305. The first scissor fork holder 301 and the second scissor fork holder 302 are rotatably connected by a pin, and rollers 303 are rotatably mounted on the rear side of both the first scissor fork holder 301 and the second scissor fork holder 302. The first scissor fork holder 301 is rotatably connected to the first guide groove 103 through the rollers 303, and the second scissor fork holder 302 is rotatably connected to the second guide groove 202 through the rollers 303. A mounting rod 304 is provided on the front side of the second scissor fork holder 302, and a limiting post 305 is provided on the mounting rod 304.

[0020] In this embodiment, as Figure 3 and Figure 4As shown, the limiting frame 4 has a U-shaped structure and is provided with two limiting slide grooves 401. The top of the limiting slide groove 401 is provided with a fixing plate 402, and the bottom of the fixing plate 402 is provided with a limiting slide rod 403. A tension spring 404 is fitted on the limiting slide rod 403. A sliding block 405 is slidably installed in the limiting slide groove 401, and a connecting shaft 406 is provided between the two sliding blocks 405. The limiting slide rod 403 slides through the sliding block 405, and the two ends of the tension spring 404 are respectively connected to the sliding block 405 and the fixing plate 402.

[0021] The connecting seat 5 has a U-shaped structure, and a crankshaft 501 is rotatably mounted on the connecting seat 5. A telescopic rod 502 is provided below the connecting seat 5. A first rotating sleeve 503 is provided at the top of the telescopic rod 502, and the first rotating sleeve 503 is rotatably connected to the crankshaft 501. A second rotating sleeve 504 is provided at the bottom of the telescopic rod 502, and the second rotating sleeve 504 is rotatably connected to the connecting shaft 406. In this utility model, a limit frame 4 and a connecting seat 5 are provided. When the hydraulic cylinder 6 provides power to drive the scissor fork assembly 3 to lift and lower the operating platform 2, the crankshaft 501 and the telescopic rod 502 cooperate with each other to make the sliding block 405 slide up and down along the limit slide groove 401. With the rebound pulling action of the tension spring 404, the lifting and lowering of the operating platform 2 can be made more stable.

[0022] Example 2, based on Example 1, such as Figure 5 and Figure 6 As shown, the two hydraulic cylinders 6 are distributed symmetrically on the left and right, and the bottom of the hydraulic cylinder 6 is provided with a third rotating sleeve 601. The third rotating sleeve 601 is rotatably mounted on the limiting post 305. The two hydraulic cylinders 6 are provided with a fixing frame 602 on their inner sides. The left fixing frame 602 is provided with two elastic buckles 603, and the right fixing frame 602 is provided with two docking sleeves 604. The elastic buckles 603 are engaged with the rectangular slots of the docking sleeves 604. The connecting frame 7 is rotatably connected to the first scissor lift 301 via a pin. The connecting frame 7 has a limiting groove 701 on its inner side, and a positioning frame 702 is provided in the limiting groove 701. The positioning frame 702 is connected to the top of the push rod of the hydraulic cylinder 6. In this utility model, the positioning frame 702 can be quickly disassembled from the limiting groove 701. At the same time, by manual adjustment, the elastic buckle 603 is disengaged from the rectangular slot of the docking sleeve 604, and the two hydraulic cylinders 6 are pushed to the left and right sides respectively. The third rotating sleeve 601 at the bottom of the hydraulic cylinder 6 is disengaged from the limiting post 305, realizing the quick disassembly of the hydraulic cylinder 6.

[0023] The working principle of this embodiment is as follows: When the hydraulic cylinder 6 provides power to drive the scissor lift assembly 3 to lift the operating platform 2, the crankshaft 501 and the telescopic rod 502 cooperate to make the sliding block 405 slide up and down along the limiting groove 401. The tension spring 404 rebounds and pulls, which makes the lifting of the operating platform 2 more stable. The positioning frame 702 can be quickly disassembled from the limiting groove 701. At the same time, the elastic buckle 603 can be manually adjusted to disengage from the rectangular slot of the docking sleeve 604, and the two hydraulic cylinders 6 are pushed to the left and right sides respectively. The third rotating sleeve 601 at the bottom of the hydraulic cylinder 6 disengages from the limiting post 305, realizing the quick disassembly of the hydraulic cylinder 6.

[0024] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A foldable mobile platform for tunnel construction, characterized in that, include: A mobile frame (1) is provided with an operating platform (2) on top of the mobile frame (1); a scissor lift assembly (3) is provided between the operating platform (2) and the mobile frame (1); a limiting frame (4) is provided on the front and rear sides of the top of the mobile frame (1); a connecting seat (5) is provided above the limiting frame (4), and the connecting seat (5) is connected to the bottom of the operating platform (2); two hydraulic cylinders (6) are provided on the scissor lift assembly (3); a connecting frame (7) is provided on the scissor lift assembly (3), and the connecting frame (7) is positioned corresponding to the hydraulic cylinders (6); The mobile frame (1) has two wheels (101) on both the left and right sides. The mobile frame (1) has two motors (102) on the left side, and the motors (102) are matched with the left wheels (101). The mobile frame (1) has two first guide grooves (103) inside, and the two first guide grooves (103) are distributed symmetrically. The mobile frame (1) has a support base plate (104) at both the front and rear ends, and the limiting frame (4) is fixedly installed on the support base plate (104).

2. The foldable mobile platform for tunnel construction according to claim 1, characterized in that, The operating platform (2) is provided with a protective railing (201) at the top and two second guide grooves (202) at the bottom, and the two second guide grooves (202) are distributed symmetrically.

3. The foldable mobile platform for tunnel construction according to claim 1, characterized in that, The scissor lift assembly (3) includes a first scissor lift (301), a second scissor lift (302), a roller (303), a mounting rod (304), and a limiting post (305). The first scissor lift (301) and the second scissor lift (302) are rotatably connected by a pin, and the first scissor lift (301) and the second scissor lift (302) are rotatably mounted with rollers (303) on their rear sides. The first scissor lift (301) is rotatably connected to the first guide groove (103) through the rollers (303), and the second scissor lift (302) is rotatably connected to the second guide groove (202) through the rollers (303). The second scissor lift (302) is provided with a mounting rod (304) on its front side, and a limiting post (305) is provided on the mounting rod (304).

4. The foldable mobile platform for tunnel construction according to claim 1, characterized in that, The limiting frame (4) has a U-shaped structure and two limiting grooves (401). The top of the limiting groove (401) is provided with a fixing plate (402), and the bottom of the fixing plate (402) is provided with a limiting rod (403). A tension spring (404) is fitted on the limiting rod (403). A sliding block (405) is slidably installed in the limiting groove (401), and a connecting shaft (406) is provided between the two sliding blocks (405). The limiting rod (403) slides through the sliding block (405), and the two ends of the tension spring (404) are connected to the sliding block (405) and the fixing plate (402) respectively.

5. A foldable mobile platform for tunnel construction according to claim 1, characterized in that, The connecting seat (5) has a U-shaped structure, and a crankshaft (501) is rotatably mounted on the connecting seat (5). A telescopic rod (502) is provided below the connecting seat (5). A first rotating sleeve (503) is provided at the top of the telescopic rod (502), and the first rotating sleeve (503) is rotatably connected to the crankshaft (501). A second rotating sleeve (504) is provided at the bottom of the telescopic rod (502), and the second rotating sleeve (504) is rotatably connected to the connecting shaft (406).

6. A foldable mobile platform for tunnel construction according to claim 1, characterized in that, The two hydraulic cylinders (6) are distributed symmetrically on the left and right, and the bottom of the hydraulic cylinder (6) is provided with a third rotating sleeve (601), and the third rotating sleeve (601) is rotated and mounted on the limiting post (305). The two hydraulic cylinders (6) are provided with a fixing frame (602) on their inner sides. The left fixing frame (602) is provided with two elastic buckles (603), and the right fixing frame (602) is provided with two docking sleeves (604). The elastic buckles (603) are engaged with the rectangular slots of the docking sleeves (604).

7. A foldable mobile platform for tunnel construction according to claim 1, characterized in that, The connecting frame (7) is rotatably connected to the first scissor lift (301) via a pin, and the connecting frame (7) is provided with a limiting groove (701) on the inner side, and a positioning frame (702) is provided in the limiting groove (701), and the positioning frame (702) is connected to the top of the push rod of the hydraulic cylinder (6).

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