Operating frame for tunnel entrance and exit construction

Abstract

The utility model particularly relates to an operation frame for tunnel entrance and exit construction, which belongs to the technical field of construction supports and comprises a basic function frame, Foma wheels are fixedly mounted at four corners of the lower surface of the basic function frame, a connecting frame is mounted in the basic function frame, and a supporting frame is mounted at the upper end of the connecting frame. An operation panel is installed on one side of the connecting frame, an expansion support is installed on the lower side of the operation panel, an adjusting supporting frame is installed in the expansion support, and universal wheels are installed at the lower end of the adjusting supporting frame. A user can flexibly adjust the supporting height of the device through the supporting frame, the supporting length of the device can be rapidly adjusted through the expansion support, and convenience is improved when the user works.

Description

Technical Field

[0001] The utility model specifically relates to a work frame used for tunnel entrance and exit construction, belonging to the technical field of construction brackets. Background Art

[0002] A work frame is a device used to support workers in high-altitude operations. It is usually composed of multiple components, including beams, columns, diagonal bars, pedals, etc. The construction of the work frame needs to take into account factors such as safety, stability and convenience to ensure the safety and efficiency of workers when working at heights. In the construction of tunnel entrances and exits, the work frame can be used to support workers in high-altitude construction operations, such as installing lighting, monitoring, fire-fighting and other facilities. The construction of the work frame needs to comply with relevant safety standards and specifications to ensure the safety of workers and construction quality.

[0003] The existing ladder work frame used for tunnel entrance construction is large in size, occupies a lot of space, is not flexible and convenient to transport and move, and has a fixed structure. The support height of the device cannot be adjusted during use, and the auxiliary effect for the staff is poor. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provide a work frame for tunnel entrance and exit construction, so as to achieve the purpose of quickly adjusting the use structure of the equipment and improving the auxiliary effect of the equipment.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a work frame used for tunnel entrance and exit construction, including a basic function frame, the four corners of the lower surface of the basic function frame are fixedly installed with Fomar wheels, a connecting frame is installed inside the basic function frame, a supporting frame is installed on the upper end of the connecting frame, a work panel is installed on one side of the connecting frame, an extension bracket is installed on the lower side of the work panel, an adjustment support frame is installed inside the extension bracket, and a universal wheel is installed on the lower end of the adjustment support frame.

[0006] Furthermore, in order to steplessly and stably adjust the height of the connecting frame, basic thread grooves are opened at the four corners of the basic functional frame, and connecting thread rods are rotatably installed at the four corners of the connecting frame. The connecting thread rods and the basic thread grooves are rotatably engaged with each other, and the upper end of the connecting frame is fixedly sleeved with a double lifting sprocket, and the outer side of the double lifting sprocket is meshed with a lifting chain.

[0007] Furthermore, in order to improve the adjustment effect of the connecting frame, a lifting drive groove is opened on the lower surface of one corner of the connecting frame, and a lifting motor is fixedly installed inside the lifting drive groove. The output end of the lifting motor and the connecting threaded rod are fixedly connected to each other, and a lifting knob is rotatably installed on the other corner of the connecting frame, and the lifting knob and the connecting threaded rod are fixedly connected to each other.

[0008] Furthermore, in order to steplessly and stably adjust the position of the support frame, support thread grooves are opened on all four sides of the connecting frame, and support thread rods are rotatably installed on all four sides of the support frame. The support thread rods and the support thread grooves are rotatably engaged with each other, and a double support sprocket is fixedly mounted on the outer side of the upper end of the support thread rod, and a support chain is engaged on the outer side of the double support sprocket.

[0009] Furthermore, in order to increase the flexibility and convenience of adjusting the support frame, an upper and lower driving groove is opened on the lower surface of one corner of the support frame, and an upper and lower motor are fixedly installed inside the upper and lower driving groove, and the output ends of the upper and lower motors are fixedly connected to the support threaded rod, and an upward adjustment knob is rotatably installed on the other corner of the support frame, and the upper and lower knobs are fixedly connected to the support threaded rod.

[0010] Furthermore, in order to quickly adjust the extension distance of the working panel, a support slot is provided on one side of the connecting frame, and the working panel is slidably connected to the inside of the support slot. A telescopic threaded rod is rotatably installed on the other side of the connecting frame, and a telescopic threaded hole is opened on one side of the working panel. The telescopic threaded rod and the telescopic threaded hole are rotatably engaged with each other.

[0011] Furthermore, in order to flexibly adjust the position of the adjustment support frame, an expansion slot is opened on the lower side of the working panel, and an operating support plate is slidably connected to the inside of the expansion slot. The operating support plate is slidably connected to the inside of the expansion slot, and an expansion threaded rod is rotatably installed on one side of the expansion slot, and the expansion threaded rod and the operating support plate are threadedly connected to each other.

[0012] Furthermore, in order to improve the stability and safety of the device when in use, the adjustment support frame includes a limiting telescopic rod, one end of the limiting telescopic rod is fixedly installed on the four corners of the operating support plate, and the other end of the limiting telescopic rod is fixedly installed with a positioning adjustment plate, and an adjusting threaded tube is rotatably installed inside the positioning adjustment plate, and a connecting threaded tube is rotatably engaged inside the adjusting threaded tube, and a fixed threaded rod is rotatably engaged inside the connecting threaded tube, and the upper end of the fixed threaded rod is fixedly connected to the operating support plate.

[0013] The technical effects and advantages of the utility model are as follows: by using a telescopic connection structure, the device can be quickly contracted and extended, thereby improving the convenience of moving and storing the device; through the support frame, the user can flexibly adjust the support height of the device; by extending the bracket, the support length of the device can be quickly adjusted, thereby improving the convenience of the user at work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the contraction structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the fully expanded structure of the utility model;

[0016] Figure 3 It is a schematic diagram of a semi-expanded structure of the utility model;

[0017] Figure 4 It is a side sectional structural schematic diagram of the utility model;

[0018] Figure 5 It is a vertical structural connection diagram of the connection frame part of the utility model;

[0019] Figure 6 This is a horizontal structural connection diagram of the connecting frame part of the utility model.

[0020] In the figure: 1. Basic function frame; 2. Foma wheel; 3. Connecting frame; 301. Connecting threaded rod; 302. Double lifting sprocket; 303. Lifting chain; 304. Lifting motor; 305. Lifting knob; 4. Support frame; 401. Support threaded rod; 402. Double supporting sprocket; 403. Support chain; 404. Up and down motor; 405. Up adjustment knob; 5. Operation panel; 501. Telescopic threaded rod; 502. Operation support plate; 503. Extension threaded rod; 6. Extension bracket; 7. Adjustment support frame; 701. Limiting telescopic rod; 702. Positioning adjustment plate; 703. Adjustment threaded tube; 704. Connecting threaded tube; 705. Fixed threaded rod; 8. Universal wheel. DETAILED DESCRIPTION

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

[0022] See also Figure 1As shown in FIG6 , a work frame for tunnel entrance and exit construction comprises a basic function frame 1, wherein four corners of the lower surface of the basic function frame 1 are fixedly installed with a Forma wheel 2, a connecting frame 3 is installed inside the basic function frame 1, four corners of the basic function frame 1 are provided with basic thread grooves, four corners of the connecting frame 3 are rotatably installed with connecting thread rods 301, the connecting thread rods 301 and the basic thread grooves are rotatably engaged with each other, a double lifting sprocket 302 is fixedly sleeved on the upper end of the connecting frame 3, and a lifting chain 303 is meshed on the outer side of the double lifting sprocket 302, so as to facilitate stepless and stable adjustment of the height of the connecting frame 3, a lifting drive groove is provided on the lower surface of one corner of the connecting frame 3, a lifting motor 304 is fixedly installed inside the lifting drive groove, the output end of the lifting motor 304 and the connecting thread rod 301 are fixedly connected to each other, a lifting knob 305 is rotatably installed on the other corner of the connecting frame 3, and the lifting knob 305 and the connecting thread rod 301 are fixedly connected to each other, so as to improve the adjustment effect of the connecting frame 3.

[0023] A supporting frame 4 is installed on the upper end of the connecting frame 3, and supporting threaded grooves are opened all around the connecting frame 3. Support threaded rods 401 are rotatably installed all around the supporting frame 4, and the supporting threaded rods 401 are rotatably engaged with the supporting threaded grooves. A double supporting sprocket 402 is fixedly sleeved on the outer side of the upper end of the supporting threaded rod 401, and a supporting chain 403 is meshed on the outer side of the double supporting sprocket 402, so as to facilitate stepless and stable adjustment of the position of the supporting frame 4, an upper and lower driving groove is opened on the lower surface of one corner of the supporting frame 4, and an upper and lower motor 404 is fixedly installed inside the upper and lower driving grooves, and the output ends of the upper and lower motors 404 are fixedly connected to the supporting threaded rod 401, and an upward adjustment knob 405 is rotatably installed on the other corner of the supporting frame 4, and the upper and lower knobs are fixedly connected to the supporting threaded rod 401, so as to increase the flexibility and convenience of the supporting frame 4 when adjusting.

[0024] A working panel 5 is installed on one side of the connecting frame 3, an extension bracket 6 is installed on the lower side of the working panel 5, an adjustment support frame 7 is installed inside the extension bracket 6, and a universal wheel 8 is installed on the lower end of the adjustment support frame 7. A support slot is provided on one side of the connecting frame 3, and the working panel 5 is slidably connected to the inside of the support slot. A telescopic threaded rod 501 is rotatably installed on the other side of the connecting frame 3, and a telescopic threaded hole is provided on one side of the working panel 5. The telescopic threaded rod 501 and the telescopic threaded hole are rotatably engaged with each other to facilitate rapid adjustment of the extension distance of the working panel 5. An extension slide is provided on the lower side of the working panel 5, and an operating support plate 502 is slidably connected to the inside of the extension slide. The operating support plate 502 is slidably connected to the inside of the extension slide. One side of the extension slide is rotatable An extension threaded rod 503 is movably installed, and the extension threaded rod 503 and the operating support plate 502 are threadedly connected to each other, so as to flexibly adjust the position of the adjustment support frame 7. The adjustment support frame 7 includes a limiting telescopic rod 701, one end of the limiting telescopic rod 701 is fixedly installed on the four corners of the operating support plate 502, and the other end of the limiting telescopic rod 701 is fixedly installed with a positioning adjustment plate 702, and the internal rotation of the positioning adjustment plate 702 is installed with an adjustment threaded tube 703, and the internal rotation of the adjustment threaded tube 703 is engaged with a connecting threaded tube 704, and the internal rotation of the connecting threaded tube 704 is engaged with a fixed threaded rod 705, and the upper end of the fixed threaded rod 705 is fixedly connected to the operating support plate 502, so as to improve the stability and safety of the device when used.

[0025] When the utility model is in use, the user fully retracts the device and transports it to an appropriate position, pushes the device to move and position it at an appropriate position with the assistance of the Forma wheel 2, electrically connects the device to an external power source, adjusts the support height of the device through the lifting motor 304 and the up and down motors 404, or directly rotates the lifting knob 305 and the upward adjustment knob 405 to adjust the support height of the device, and when the connecting threaded rod 301 rotates, the rotating threaded rod is driven to rotate synchronously by the double lifting sprockets 302 and the lifting chain 303, thereby pushing the four corners of the connecting frame 3 to rise synchronously to an appropriate height, thereby improving the stability and safety of the device when in use, and when the supporting threaded rod 401 rotates, the supporting threaded rod 401 is driven by the supporting chain 403 and the double supporting sprockets 402 to push the four corners of the supporting frame 4 to rise synchronously to an appropriate height, thereby making the use of the device more stable and safe.

[0026] The user rotates the telescopic threaded rod 501 and the telescopic threaded hole to generate a spiral force, pushing the working panel 5 to drive the adjustment support frame 7 to extend outward, and rotating the extension threaded rod 503 to push the operating support plate 502 to drive the adjustment support frame 7 to extend outward until the operating support plate 502 moves to an appropriate position, and rotating the adjusting threaded tube 703 to push the connecting threaded tube 704 and the fixed threaded rod 705 to telescopically move until the universal wheel 8 is in close contact with the ground, thereby supporting and fixing one side of the device and improving the flexibility of the device when moving.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A work frame for tunnel entrance and exit construction, characterized by: The invention comprises a basic function frame (1), wherein four corners of the lower surface of the basic function frame (1) are fixedly mounted with a Forma wheel (2), a connecting frame (3) is mounted inside the basic function frame (1), a supporting frame (4) is mounted on the upper end of the connecting frame (3), an operating panel (5) is mounted on one side of the connecting frame (3), an extension bracket (6) is mounted on the lower side of the operating panel (5), an adjusting support frame (7) is mounted inside the extending bracket (6), and a universal wheel (8) is mounted on the lower end of the adjusting support frame (7).

2. A work frame for tunnel entrance and exit construction as claimed in claim 1, characterized in that: The basic function frame (1) is provided with basic thread grooves at four corners, and the connecting frame (3) is rotatably mounted with connecting thread rods (301) at four corners, and the connecting thread rods (301) are rotatably engaged with the basic thread grooves. The upper end of the connecting frame (3) is fixedly sleeved with a double lifting sprocket (302), and the outer side of the double lifting sprocket (302) is sleeved with a lifting chain (303) in engagement.

3. A work frame for tunnel entrance and exit construction as claimed in claim 2, characterized in that: A lifting drive groove is provided on the lower surface of one corner of the connecting frame (3), a lifting motor (304) is fixedly installed inside the lifting drive groove, an output end of the lifting motor (304) and the connecting threaded rod (301) are fixedly connected to each other, and a lifting knob (305) is rotatably installed on the other corner of the connecting frame (3), and the lifting knob (305) and the connecting threaded rod (301) are fixedly connected to each other.

4. A work frame for tunnel entrance and exit construction as claimed in claim 1, characterized in that: Support thread grooves are provided on all four sides of the connection frame (3); support thread rods (401) are rotatably mounted on all four sides of the support frame (4); the support thread rods (401) and the support thread grooves are rotatably engaged with each other; a double support sprocket (402) is fixedly sleeved on the outer side of the upper end of the support thread rod (401); and a support chain (403) is sleeved and engaged on the outer side of the double support sprocket (402).

5. A work frame for tunnel entrance and exit construction as claimed in claim 4, characterized in that: An upper and lower driving groove is provided on the lower surface of one corner of the support frame (4), an upper and lower motor (404) is fixedly installed inside the upper and lower driving groove, an output end of the upper and lower motor (404) and the support threaded rod (401) are fixedly connected to each other, and an upward adjustment knob (405) is rotatably installed on the other corner of the support frame (4), and the upward adjustment knob and the support threaded rod (401) are fixedly connected to each other.

6. A work frame for tunnel entrance and exit construction as claimed in claim 1, characterized in that: A support slot is provided on one side of the connection frame (3), and the operation panel (5) is slidably engaged in the interior of the support slot. A telescopic threaded rod (501) is rotatably mounted on the other side of the connection frame (3), and a telescopic threaded hole is provided on one side of the operation panel (5), and the telescopic threaded rod (501) and the telescopic threaded hole are rotatably engaged with each other.

7. A work frame for tunnel entrance and exit construction as claimed in claim 6, characterized in that: An expansion slot is provided on the lower side of the operation panel (5), and an operation support plate (502) is slidably engaged inside the expansion slot. The operation support plate (502) is slidably engaged inside the expansion slot. An expansion threaded rod (503) is rotatably mounted on one side of the expansion slot. The expansion threaded rod (503) and the operation support plate (502) are threadedly connected to each other.

8. A work frame for tunnel entrance and exit construction as claimed in claim 7, characterized in that: The adjustment support frame (7) comprises a limiting telescopic rod (701), one end of which is fixedly mounted on the four corners of the operation support plate (502), and the other end of which is fixedly mounted with a positioning adjustment plate (702), an adjusting threaded tube (703) being rotatably mounted inside the positioning adjustment plate (702), a connecting threaded tube (704) being rotatably engaged inside the adjusting threaded tube (703), a fixing threaded rod (705) being rotatably engaged inside the connecting threaded tube (704), and an upper end of the fixing threaded rod (705) is fixedly connected to the operation support plate (502).

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