Torque box

Abstract

The utility model relates to the technical field of torque boxes, in particular to a torque box which comprises a torque box body, a bearing plate and a base are arranged below the torque box body, the torque box body is fixedly connected to the top of the bearing plate, a lubricating structure is arranged on the outer wall of the torque box, the lubricating structure comprises an oil cylinder, and the oil cylinder is connected with the bearing plate. An extension plate is fixedly connected to the outer wall of the torque box body, the oil cylinder is fixedly connected to the outer wall of the extension plate, a movable rod is movably connected to the inner wall of the oil cylinder, and a piston is fixedly connected to the bottom end of the movable rod. Through the arranged lubricating structure, an elliptical cam is used for extruding a pressing disc in a reciprocating mode, so that a movable rod drives a piston to move up and down on the inner wall of an oil cylinder, oil in the oil cylinder is pressed and flows to an oil spraying nozzle through an oil conveying pipe, and an arranged flow control valve is used for controlling the oil outlet amount of the oil conveying pipe; and a transmission gear in the torque box main body is lubricated by the oil nozzle.

Description

Technical Field

[0001] The utility model relates to the technical field of torque boxes, in particular to a torque box. Background Art

[0002] The torque box, also known as the torque tightening machine, is a device used to control the tightening torque of the threaded connection to ensure the assembly quality. The torque tightening machine is very critical in the engine assembly process. It can control the accuracy of the threaded connection and is one of the important indicators of the engine assembly quality.

[0003] After searching, the Chinese patent publication number is CN219582122U. The document disclosed in this patent is as follows: a tightening mechanism with torque error prevention, which is used to tighten the tightened parts on the assembled product during product assembly, including a frame, a workbench in the middle of the frame, a clamping cylinder is installed on the workbench, and the clamping cylinder is installed with a clamping claw; the frame is installed with a top frame, and the top frame is provided with a stepping cylinder suspended downward by a suspension rope, and the stepping cylinder is connected downward with an electric torque wrench; the frame is provided with an electric control device, the electric control device connects the stepping cylinder, the clamping cylinder and the electric torque wrench, the electric control device is connected with a counter, and the counter is connected to the electric torque wrench through a line. The utility model can prevent a tightened part from being missed and also prevent a tightened part from being applied with an erroneous torque; before all the tightened parts of the product are tightened with the correct torque, the product is clamped and cannot be removed, thus effectively avoiding various errors caused by manual operation and preventing unqualified products from being discharged as cooperative products during torque tightening.

[0004] During the operation of the torque box, good lubrication is essential to reduce wear, reduce heat, improve operating efficiency and extend service life. However, some existing torque box lubrication systems have problems such as insufficient lubrication, uneven lubrication or inconvenient maintenance. In view of this, we propose a torque box. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a torque box, which solves the problems of insufficient lubrication, uneven lubrication or inconvenient maintenance of the torque box lubrication system. To achieve the above purpose, the utility model is implemented through the following technical solutions: a torque box, including a torque box body, a bearing plate and a base are respectively arranged below the torque box body, the torque box body is fixedly connected to the top of the bearing plate, and the outer wall of the torque box is provided with a lubrication structure;

[0006] The lubrication structure includes an oil cylinder, an extension plate is fixedly connected to the outer wall of the extension plate, the oil cylinder is fixedly connected to the outer wall of the extension plate, a movable rod is movably connected to the inner wall of the oil cylinder, a piston is fixedly connected to the bottom end of the movable rod, a sealing structure between the piston and the inner wall of the oil cylinder, a pressure plate is fixedly connected to the top end of the movable rod, a rotating rod is rotatably connected to the inner wall of the extension plate through a bearing, an elliptical cam is fixedly connected to one end of the rotating rod, a pulley B is provided on the surface fixing sleeve of the rotating rod, the torque box body includes a torque shaft, a pulley A is provided on the surface fixing sleeve of the torque shaft, pulley A is connected to pulley B through belt transmission, an oil pipe is connected to the outer wall of the oil cylinder, an oil nozzle is connected to the other end of the oil pipe, and the oil nozzle is located inside the torque box body.

[0007] Preferably, a buffer structure is provided between the base and the supporting plate, the buffer structure includes a seesaw, the seesaw is fixedly connected to the four corners of the top of the base, a spring damper is fixedly connected to the inclined surface of the seesaw, the telescopic end of the spring damper is fixedly connected to a slider, the outer wall of the slider is fixedly sleeved with a mounting frame, and the mounting frame is connected to the supporting plate.

[0008] Preferably, the torque shaft of the torque box body is fixedly connected to a protective shell, and openings are provided at the corners of the protective shell, so that the torque shaft of the torque box body is protected by the provided protective shell.

[0009] Preferably, a spring is sleeved on the surface of the movable rod, and both ends of the spring are fixedly connected to a surface adjacent to the pressure plate and the cylinder respectively. The elliptical cam abuts against the top of the pressure plate, and the pressure plate is reciprocatedly squeezed by the elliptical cam, so that the movable rod drives the piston to move up and down on the inner wall of the cylinder. The oil inside the cylinder is pressurized and flows through the oil pipe to the oil nozzle, and the oil nozzle is used to lubricate the transmission gear inside the torque box body.

[0010] Preferably, a pin is provided on the inner side of the mounting frame, and the inner side of the mounting frame is hinged to the outer side of the supporting frame through the pin. When the torque box body is vibrated, the slider is used to push and squeeze the spring damper, thereby introducing vibration into the spring damper, changing the self-vibration characteristics of the structure, increasing structural damping, absorbing vibration energy, and reducing the impact of vibration on the torque box body.

[0011] Preferably, the top of the torque box body is opened, and an inspection plate is threadedly connected to the top opening of the torque box through bolts, and the fuel injector is fixedly connected to the bottom of the inspection plate through.

[0012] Preferably, a flow control valve is provided on the oil pipeline, and the oil pipeline is a hard pipe. The flow control valve is used to control the oil output of the oil pipeline.

[0013] It can be seen from the above technical solutions that the torque box provided in the embodiments of this specification has at least the following beneficial effects:

[0014] (1) The utility model sets a lubrication structure and utilizes an elliptical cam to reciprocately squeeze the pressure plate, so that the movable rod drives the piston to move up and down on the inner wall of the oil cylinder. The oil inside the oil cylinder is pressurized to flow through the oil pipe to the oil nozzle. The flow control valve is set to control the oil output of the oil pipe, and the oil nozzle is used to lubricate the transmission gear inside the torque box body.

[0015] (2) The utility model provides a protective structure and utilizes a slider to push and squeeze the spring damper, thereby introducing vibration into the spring damper, changing the self-vibration characteristics of the structure, increasing structural damping, absorbing vibration energy, and reducing the impact of vibration on the torque box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the lubrication structure in the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of the lubrication structure in the utility model;

[0020] Figure 4 It is an enlarged view of the structure of A in the utility model.

[0021] In the figure: 1. base; 2. torque box body; 3. bearing plate; 4. lubrication structure; 401. cylinder; 402. piston; 403. pressure plate; 404. movable rod; 405. spring; 406. pulley A; 407. pulley B; 408. rotating rod; 409. elliptical cam; 4010. extension plate; 5. protection structure; 501. rocker; 502. spring damper; 503. slider; 504. mounting bracket; 505. pin. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] See also Figure 1-Figure 3 As shown, a torque box comprises a torque box body 2, a bearing plate 3 and a base 1 are respectively arranged below the torque box body 2, the torque box body 2 is fixedly connected to the top of the bearing plate 3, and a lubrication structure 4 is arranged on the outer wall of the torque box; the lubrication structure 4 comprises an oil cylinder 401, an extension plate 4010 is fixedly connected to the outer wall of the extension plate 4010, an inner wall of the oil cylinder 401 is movably connected to a movable rod 404, a piston 402 is fixedly connected to the bottom end of the movable rod 404, and the piston 402 is fixedly connected to the bottom end of the movable rod 404. 02 and the inner wall sealing structure of the oil cylinder 401, the top of the movable rod 404 is fixedly connected with the pressure plate 403, the inner wall of the extension plate 4010 is rotatably connected with the rotating rod 408 through the bearing, one end of the rotating rod 408 is fixedly connected with the elliptical cam 409, the surface fixed sleeve of the rotating rod 408 is provided with a pulley B407, the torque box body 2 includes a torque shaft, the surface fixed sleeve of the torque shaft is provided with a pulley A406, the pulley A406 and the pulley B407 are connected by a belt transmission, and the outer wall of the oil cylinder 401 is connected with an oil delivery The other end of the oil delivery pipe is connected to a fuel injection nozzle, which is located inside the torque box body 2. The torque shaft of the torque box body 2 is fixedly connected to a protective shell, and openings are provided at the corners of the protective shell. The protective shell is provided to protect the torque shaft of the torque box body 2. A spring 405 is sleeved on the surface of the movable rod 404, and the two ends of the spring 405 are respectively fixedly connected to the pressure plate 403 and the side adjacent to the oil cylinder 401. The elliptical cam 409 abuts against the top of the pressure plate 403, and the elliptical cam 409 reciprocates to squeeze The pressure plate 403 causes the movable rod 404 to drive the piston 402 to move up and down on the inner wall of the cylinder 401. The oil inside the cylinder 401 is pressurized and flows through the oil pipe to the oil nozzle. The oil nozzle is used to lubricate the internal transmission gear of the torque box body 2. The top of the torque box body 2 is opened. The top opening of the torque box is threadedly connected to an inspection plate by bolts. The oil nozzle is fixedly connected to the bottom of the inspection plate. A flow control valve is provided on the oil pipe. The oil pipe is a hard pipe. The flow control valve is provided to control the oil output of the oil pipe.

[0025] Furthermore, by setting up the lubrication structure 4, the elliptical cam 409 is utilized to reciprocately squeeze the pressure plate 403, so that the movable rod 404 drives the piston 402 to move up and down on the inner wall of the cylinder 401, and the oil inside the cylinder 401 is pressurized to flow to the oil nozzle through the oil pipe. The flow control valve is provided to control the oil output of the oil pipe, and the oil nozzle is utilized to lubricate the transmission gear inside the torque box body 2.

[0026] Example 2

[0027] See also Figure 4As shown, a buffer structure is arranged between the base 1 and the bearing plate 3, and the buffer structure includes a seesaw 501, which is fixedly connected to the four corners of the top of the base 1, and a spring damper is fixedly connected to the inclined surface of the seesaw 501, and a slider 503 is fixedly connected to the telescopic end of the spring damper, and a mounting frame 504 is fixedly sleeved on the outer wall of the slider 503, and the mounting frame 504 is connected to the bearing plate 3. A pin shaft 505 is arranged on the inner side of the mounting frame 504, and the inner side of the mounting frame 504 is hinged to the outer side of the bearing frame through the pin shaft 505. When the torque box body 2 encounters an earthquake, the vibration is introduced into the damper, thereby changing the self-vibration characteristics of the structure, increasing the structural damping, absorbing the vibration energy, and reducing the influence of the vibration on the torque box body 2.

[0028] Furthermore, by setting up the protective structure 5, the slider 503 is used to push the spring damper 502, thereby introducing vibration into the spring damper 502, changing the self-vibration characteristics of the structure, increasing the structural damping, absorbing the vibration energy, and reducing the impact of the vibration on the torque box body 2.

[0029] When a torque box of the utility model is in use, the torque shaft of the torque box body 2 rotates. During the rotation of the torque shaft, the torque shaft drives the rotating rod 408 to rotate in the same direction through the transmission of the belt between the pulley A406 and the pulley B407, and the elliptical cam 409 rotates with the rotating rod 408. The elliptical cam 409 is used to reciprocate and squeeze the pressure plate 403, so that the movable rod 404 drives the piston 402 to move up and down on the inner wall of the cylinder 401. The oil inside the cylinder 401 is pressurized and flows to the oil injection nozzle through the oil pipe. The oil injection nozzle is used to lubricate the internal transmission gear of the torque box body 2; when the torque box body 2 encounters a shock, the slider 503 is used to push and squeeze the spring damper 502, thereby introducing the vibration into the spring damper 502, changing the self-vibration characteristics of the structure, increasing the structural damping, absorbing the vibration energy, and reducing the influence of the vibration on the torque box body 2.

[0030] The above implementation methods are only used to illustrate the embodiments of the present utility model, and are not limitations of the embodiments of the present utility model. Ordinary technicians in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the embodiments of the present utility model. Therefore, all equivalent technical solutions also belong to the scope of the embodiments of the present utility model. The patent protection scope of the embodiments of the present utility model should be limited by the claims.

Claims

1. A torque box, comprising a torque box body (2), characterized in that: A bearing plate (3) and a base (1) are respectively arranged below the torque box body (2); the torque box body (2) is fixedly connected to the top of the bearing plate (3); and a lubrication structure (4) is arranged on the outer wall of the torque box; The lubrication structure (4) comprises an oil cylinder (401), the outer wall of the torque box body (2) is fixedly connected to an extension plate (4010), the oil cylinder (401) is fixedly connected to the outer wall of the extension plate (4010), the inner wall of the oil cylinder (401) is movably connected to a movable rod (404), the bottom end of the movable rod (404) is fixedly connected to a piston (402), the piston (402) and the inner wall of the oil cylinder (401) are sealed, the top end of the movable rod (404) is fixedly connected to a pressure plate (403), the inner wall of the extension plate (4010) is connected to the inner wall of the oil cylinder (401) by a shaft The bearing is rotatably connected to a rotating rod (408), one end of which is fixedly connected to an elliptical cam (409), a surface fixed sleeve of the rotating rod (408) is provided with a pulley B (407), the torque box body (2) comprises a torque shaft, a surface fixed sleeve of the torque shaft is provided with a pulley A (406), the pulley A (406) and the pulley B (407) are connected via a belt transmission, an outer wall of the oil cylinder (401) is connected to an oil pipe, the other end of the oil pipe is connected to an oil nozzle, and the oil nozzle is located inside the torque box body (2).

2. A torque box according to claim 1, characterized in that: A buffer structure is provided between the base (1) and the bearing plate (3), the buffer structure comprising a seesaw (501), the seesaw (501) being fixedly connected to the four corners of the top of the base (1), a spring damper being fixedly connected to the inclined surface of the seesaw (501), a sliding block (503) being fixedly connected to the telescopic end of the spring damper, a mounting frame (504) being fixedly sleeved on the outer wall of the sliding block (503), and the mounting frame (504) being connected to the bearing plate (3).

3. A torque box according to claim 1, characterized in that: The torque shaft of the torque box body (2) is fixedly connected to a protective shell, and openings are arranged at the corners of the protective shell.

4. A torque box according to claim 1, characterized in that: A spring (405) is sleeved on the surface of the movable rod (404), and the two ends of the spring (405) are respectively fixedly connected to the pressure plate (403) and a surface adjacent to the oil cylinder (401), and the elliptical cam (409) is in contact with the top of the pressure plate (403).

5. A torque box according to claim 2, characterized in that: A pin shaft (505) is arranged on the inner side of the mounting frame (504), and the inner side of the mounting frame (504) is hinged to the outer side of the supporting frame via the pin shaft (505).

6. A torque box according to claim 1, characterized in that: The top of the torque box body (2) is open, and an inspection plate is threadedly connected to the top opening of the torque box via bolts, and the oil injection nozzle is fixedly connected to the bottom of the inspection plate.

7. A torque box according to claim 1, characterized in that: A flow control valve is arranged on the oil delivery pipe, and the oil delivery pipe is a hard pipe.

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