Moving device for gun rack

Abstract

The utility model discloses a moving device for a gun rack, which can drive the gun rack to quickly move by using smaller thrust or tension. Comprising a sliding underframe, a sliding seat and a gun rack, the gun rack is fixed to the top of the sliding seat, mounting plates extending back to back are arranged at the two transverse ends of the top of the sliding underframe, the upper surfaces of the mounting plates are upper rolling contact surfaces, and the lower surfaces of the mounting plates are lower rolling contact surfaces; c-shaped matching parts are arranged at the two transverse ends of the bottom of the sliding seat and correspond to the mounting plates respectively, retainer limiting grooves are formed in the inner walls of the C-shaped matching parts and correspond to the upper rolling contact face and the lower rolling contact face respectively, retainers are arranged in the retainer limiting grooves, a plurality of pin roller retaining cavities are evenly formed in the retainers in the longitudinal direction, pin rollers are arranged in the pin roller retaining cavities respectively, and the upper rolling contact face and the lower rolling contact face of each pin roller retaining cavity respectively. The pin rollers are used for being supported on the upper rolling contact face or the lower rolling contact face in a rolling mode, end face check blocks are fixed to longitudinal ports of the retainer limiting grooves through screws, and the retainer is longitudinally limited through the end face check blocks.

Description

Technical Field

[0001] The utility model relates to the technical field of firearms, in particular to a moving device for a gun mount. Background Art

[0002] According to the usage requirements, the gun mount installed on a platform (such as vehicle-mounted) needs to move its position within a certain range under different conditions. It mainly consists of a sliding chassis and a sliding seat. The sliding chassis is fixed on the usage platform and is in contact with the sliding seat through a sliding surface, and slides under the action of thrust or pulling force. The gun mount is installed on the sliding seat, thus completing the movement of the gun mount.

[0003] The existing technical solutions have the following disadvantages:

[0004] 1. Using sliding friction with surface contact, the frictional force is large, resulting in a relatively large thrust or pulling force required during movement;

[0005] 2. The center of gravity of the gun mount installed on the sliding seat does not coincide with the sliding seat, resulting in the generation of a moment, further increasing the force required during movement;

[0006] 3. The force during pushing or pulling will generate a moment, further increasing the thrust or pulling force;

[0007] 4. For sliding friction with surface contact, the wear of the two contact surfaces is relatively large, resulting in a reduced service life;

[0008] 5. Due to the mutual friction between the two mutually moving contact surfaces, it is necessary to improve the hardness and surface roughness, so the processing cost required is relatively high.

[0009] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a moving device for a gun mount, which can drive the gun mount to move quickly with a relatively small thrust or pulling force.

[0010] The purpose of the utility model is achieved as follows:

[0011] A moving device for a gun mount includes a sliding chassis, a sliding seat, and a gun mount. The gun mount is fixed on the top of the sliding seat. At the transverse two ends of the top of the sliding chassis, there are mounting plates extending backward. The upper surface of the mounting plate is the upper rolling contact surface, and the lower surface of the mounting plate is the lower rolling contact surface;

[0012] At the transverse two ends of the bottom of the sliding seat, there are respectively C-shaped fitting parts corresponding to the mounting plates. In the inner walls of the C-shaped fitting parts, there are cage limiting grooves corresponding to the upper rolling contact surface and the lower rolling contact surface respectively. In the cage limiting grooves, there are cages. Along the longitudinal direction, a plurality of roller holding cavities are evenly arranged in the cages. In each roller holding cavity, there is a roller. The roller is used for rolling support on the upper rolling contact surface or the lower rolling contact surface. At the longitudinal ports of the cage limiting grooves, end face blocks are fixed by screws, and the end face blocks limit the cages longitudinally.

[0013] Preferably, the cage is fixed in the cage limiting groove, and there is a gap between the cage and the corresponding upper rolling contact surface or lower rolling contact surface.

[0014] Preferably, the cage is fixed in the cage limiting groove by interference fit.

[0015] Preferably, the edges of the cage that are in contact with the cage limiting groove are rounded.

[0016] Preferably, the roller retaining cavity is rectangular, and a relief groove is provided at the corner of the roller retaining cavity for relieving the edge part of the end face of the roller.

[0017] Due to the adoption of the above technical solutions, the utility model has the following beneficial effects:

[0018] 1. Rolling friction is used instead of sliding friction, which can greatly reduce the frictional resistance and the moving force.

[0019] 2. The processing cost of some parts is reduced.

[0020] 3. The service life of related parts is extended.

[0021] 4. A gun mount with a larger mass can be moved under the same force.

[0022] 5. Compared with the traditional roller structure, the utility model does not need to machine the mating surface of the roller, and is positioned by an external end face stopper, so that the installation and disassembly of the integrated roller structure can be quickly completed, with low processing cost and convenient maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the utility model;

[0024] Figure 2 is Figure 1 a side view schematic diagram of

[0025] Figure 3 is a cross-sectional schematic diagram of the utility model;

[0026] Figure 4 is Figure 3 a partial enlarged schematic diagram at P in

[0027] Figure 5 is a schematic diagram of the integrated roller structure. DETAILED DESCRIPTION OF THE INVENTION

[0028] See Figures 1 - 5, a moving device for a gun mount, comprising a sliding chassis 1, a sliding seat 2, and a gun mount 3. The gun mount 3 is fixed on the top of the sliding seat 2. It is characterized in that: at the transverse two ends of the top of the sliding chassis 1, there are mounting plates extending backward. The upper surface of the mounting plate is the upper rolling contact surface 10, and the lower surface of the mounting plate is the lower rolling contact surface 11.

[0029] At the transverse two ends of the bottom of the sliding seat 2, there are respectively C-shaped fitting parts corresponding to the mounting plates. Inside the inner walls of the C-shaped fitting parts, there are cage limiting grooves 9 corresponding to the upper rolling contact surface 10 and the lower rolling contact surface 11 respectively. Inside the cage limiting grooves 9, there are cages 6. Along the longitudinal direction, a number of roller holding cavities 8 are evenly arranged inside the cages 6. Inside each roller holding cavity 8, there is a roller 7. The roller 7 is used for rolling support on the upper rolling contact surface 10 or the lower rolling contact surface 11. At the longitudinal ports of the cage limiting grooves 9, end face blocks 4 are fixed by screws 5. The end face blocks 4 limit the cages 6 longitudinally.

[0030] The cage 6 is fixed inside the cage limiting groove 9. There is a gap between the cage 6 and the corresponding upper rolling contact surface 10 or lower rolling contact surface 11. In this embodiment, the cage 6 is fixed in the cage limiting groove 9 by interference fit. The edges of the cage 6 that are in contact with the cage limiting groove 9 are rounded. This is convenient for the installation and guiding of the cage 6. The roller holding cavity 8 is rectangular. At the corners of the roller holding cavity 8, there are relief grooves. The relief grooves are used to make way for the edge parts of the end faces of the rollers 7. So that the rollers 7 can roll flexibly.

[0031] Specifically:

[0032] A moving device for a gun mount is composed of a sliding chassis 1, a sliding seat 2, a gun mount 3, an end face block 4, a screw 5, a cage 6, a roller 7, a roller holding cavity 8, a cage limiting groove 9, an upper rolling contact surface 10, a lower rolling contact surface 11, and an integrated roller structure 12. Now, the functions and assembly relationships of each part are described as follows.

[0033] The sliding chassis 1 is fixed on the use platform. The gun mount 3 is installed on the sliding seat 2. The rollers 7 are limited inside the cages 6 through the roller holding cavities 8, and then an integrated roller structure 12 is formed. Inside the sliding seat 2, there are four groups of cage limiting grooves 9, which are used to limit the integrated roller structure 12. The four groups of integrated roller structures 12 are respectively located on the upper rolling contact surface 10 and the lower rolling contact surface 11 on both sides of the sliding chassis 1. Actually, the rollers 7 are in contact with the upper rolling contact surface 10 and the lower rolling contact surface 11. The cages 6 are restricted inside the cage limiting grooves 9 by the end face blocks 4. The end face blocks 4 are fixed by screws 5.

[0034] Working mode of the moving device

[0035] When the gun rack 3 is stationary, since the center of gravity of the sliding seat 2 and the components mounted thereon does not coincide with the center of gravity of the sliding seat 2, there is a moment between the integrated roller structure 12 and the sliding chassis 1. When it is necessary to move the gun rack 3 forward or backward, a thrust or a pulling force needs to be applied to the gun rack 3. Since there is a certain distance between the acting force and the rolling contact surface, the acting force will also generate a moment.

[0036] When a force acts on the gun rack and the acting force is greater than the friction between the roller 7 and the upper rolling contact surface 10 and the lower rolling contact surface 11 and the above-mentioned moment, the gun rack will move in the direction of the acting force, and at the same time, the roller 7 will roll along the upper rolling contact surface 10 and the lower rolling contact surface 11.

[0037] There are the following key points and protection points:

[0038] 1. Adopt an integrated roller structure to reduce the friction during the movement, thereby reducing the moving force.

[0039] 2. Adopt an integrated roller structure, which can reduce the processing requirements of the contact surface and reduce the processing cost.

[0040] 3. Adopt an integrated roller structure to reduce the wear of the contact surface and extend the service life.

[0041] 4. Adopt an integrated roller structure, which can greatly reduce the friction without increasing the overall structure size, making the overall device compact.

[0042] 5. Adopt an integrated roller structure, which can push a heavier gun rack under the same force.

[0043] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A mobile device for a gun rack, comprising a sliding chassis, a sliding seat, and a gun rack, wherein the gun rack is fixed on the top of the sliding seat, and characterized in that: The two lateral ends of the top of the sliding chassis are provided with mounting plates extending in opposite directions, the upper surface of the mounting plates is the upper rolling contact surface, and the lower surface of the mounting plates is the lower rolling contact surface; C-shaped matching parts are respectively provided at the two lateral ends of the bottom of the sliding seat corresponding to the mounting plates, and the inner walls of the C-shaped matching parts are respectively provided with cage limiting grooves corresponding to the upper rolling contact surface and the lower rolling contact surface, and a cage is provided in the cage limiting groove, and a plurality of roller retaining cavities are evenly arranged in the cage along the longitudinal direction, and a roller is respectively provided in each roller retaining cavity, and the roller is used for rolling support on the upper rolling contact surface or the lower rolling contact surface, and the longitudinal port of the cage limiting groove is fixed with an end face stopper by a screw, and the end face stopper limits the longitudinal position of the cage.

2. A moving device for a gun rack according to claim 1, characterized in that: The cage is fixed in the cage limiting groove, and a gap is left between the cage and the corresponding upper rolling contact surface or lower rolling contact surface.

3. A moving device for a gun rack according to claim 2, characterized in that: The cage is fixed in the cage limiting groove by interference fit.

4. A moving device for a gun rack according to claim 1, characterized in that: The edges where the cage and the cage limiting groove cooperate are rounded.

5. The moving device for a gun rack according to claim 1, characterized in that: The roller holding cavity is rectangular, and a make-way groove is arranged at a corner of the roller holding cavity, and the make-way groove is used to make way for the edge part of the roller end face.

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