Tracked vehicle chassis detection device

Abstract

The utility model discloses a tracked vehicle chassis detection device, which relates to the tracked vehicle detection field and comprises a device main body, the device main body comprises a supporting rod, a folding mechanism is arranged on the supporting rod and comprises a plurality of folding plates, and two fixed gears are fixed at diagonal positions of the folding plates. Every two adjacent folding plates are hinged through a first connecting rod, every two adjacent fixed gears are meshed with each other, every two adjacent first connecting rods are hinged through a second connecting rod, jacking mechanisms are arranged on the front sides of the folding plates, and a power mechanism used for driving the jacking mechanisms to work is arranged at the lower end of the front side of the device support. The vehicle chassis lifting device has the beneficial effects that through cooperation of a folding plate, a fixed gear, a first connecting rod and a second connecting rod, a plurality of jacking mechanisms can be folded, in this way, the occupied space and the space needed for transportation are greatly reduced, in this way, the vehicle chassis can be quickly lifted in the non-maintenance workshop environment, and workers can conveniently detect and maintain the chassis.

Description

TECHNICAL FIELD

[0001] The utility model relates to tracked vehicle technical field, in particular to a tracked vehicle chassis detection device. BACKGROUND

[0002] Tracked vehicles have a relatively wide range of applications, such as tanks for field military use, excavator equipment for construction use, etc. Tracked vehicles differ from vehicles that use wheels as the movement structure in actual use. The wheel structure can raise the chassis of the vehicle to have sufficient spacing with the ground; while the tracked vehicle, due to the geometric characteristics of the track, results in a low gap between the chassis of the tracked vehicle and the ground, and due to the blocking effect of the track, it is difficult to observe and detect the vehicle chassis.

[0003] It is very difficult to detect the chassis of a tracked vehicle in a non-repair workshop environment in the past, the reason is that the tracked vehicle has a large self-weight and a low chassis, and it is difficult for the general jacking device to jacking the tracked vehicle to expose a space for detection between the chassis and the ground, and it is difficult to carry and transport the large jacking mechanism. The patent document with publication number CN220136669U discloses a tracked vehicle chassis detection device, which comprises rotating bases arranged at intervals in front and back, and track plates are fixedly connected to the top of the rotating bases; adjusting members are fixedly assembled and connected between the side walls of the rotating bases facing each other; the width spacing between the track plates can be adjusted through the adjusting members; the outer side walls of the rotating bases are respectively fixedly assembled and connected with rotating shafts, and the rotating shafts are rotatably connected with bearing seats; the device further comprises a mounting rack assembly assembled with the bearing seats; the mounting rack assembly comprises an inner frame seat fixedly assembled with the bearing seat, the inner frame seat is slidingly assembled and connected with an outer frame seat, and the bottom of the inner frame seat is fixedly assembled and connected with a jacking part. Through the above-mentioned mode, the front and rear of the tracked vehicle are lifted in the repair, the chassis is exposed from different angles during the operation process, and the repair efficiency is greatly improved and the repair difficulty is reduced. But in order to adapt to different conditions and environment, the prior art still needs to be improved. SUMMARY

[0004] The purpose of the utility model is to provide a tracked vehicle chassis detection device to solve the above problems.

[0005] The utility model realizes the above-mentioned purpose through the following technical scheme:

[0006] The application discloses a tracked vehicle chassis detection device which comprises a device main body, a support rod is slidably connected to the device main body, a moving assembly for driving the support rod to move is arranged on the device main body, a folding mechanism is arranged on the support rod, the folding mechanism comprises a gear rack fixedly connected to the front end of the device main body, two symmetrical transmission gears meshing with the gear rack are arranged on the two sides of the gear rack, the transmission gears are rotatably connected to the support rod, a plurality of folding plates are symmetrically arranged on the front side of the support rod, two fixed gears are fixedly connected to the opposite corners of the folding plates, the adjacent two folding plates are hingedly connected through first connecting rods, the rotating centers of the hinges correspond to the shaft centers of the fixed gears, the adjacent two fixed gears mesh with each other, the adjacent two first connecting rods are hingedly connected through second connecting rods, one corner of the middle two folding plates is rotatably connected to the support rod, and the fixed gear on the one corner is meshed with the transmission gear, the other end of the middle two second connecting rods is hingedly connected to the support rod, a jacking mechanism is arranged on the front side of the folding plate, and a power mechanism for driving the jacking mechanism to work is arranged on the lower end of the front side of the device main body.

[0007] Preferably, the upper end of the gear rack is not provided with a tooth, and the diameter of the transmission gear is smaller than that of the fixed gear.

[0008] Preferably, the top of the device main body is fixedly connected with a traction frame, and the rear side of the device main body is rotatably connected with two symmetrical wheels.

[0009] Preferably, the moving assembly comprises a first motor and a first screw rod, the first motor is fixedly connected to the top of the device main body, the first screw rod is rotatably connected to the middle position of the device main body, and the first screw rod is threadedly connected to the support rod.

[0010] Preferably, the jacking mechanism comprises a jacking support fixedly connected to the folding plate, a scissor support is arranged in the jacking support, a top plate is arranged on the top of the scissor support, the top plate is in contact with the track, a driving support is slidably connected to the bottom of the jacking support, the two ends of the driving support are hingedly connected to one end of the scissor support, a second screw rod is rotatably connected to the jacking support, the second screw rod is threadedly connected to the driving support, one end of the second screw rod is fixedly connected with a first coupling, the first coupling is used for connecting and transmitting the rotary motion between the two second screw rods, and the outer sides of the two most edge jacking supports are fixedly connected with inclined tables.

[0011] Preferably, the power mechanism comprises a driving support fixedly connected to the device main body, a second motor is fixedly connected to the driving support, a worm gear is rotatably connected to the front end of the driving support, a worm is meshed with the top of the worm gear, the worm is rotatably connected to the driving support, one end of the second motor is fixedly connected with the worm, second couplings are fixedly connected to the two sides of the worm gear, and the second couplings are used for connecting the worm gear with the second screw rods on the two sides of the worm gear and transmitting the rotary motion.

[0012] The beneficial effect lies in: through the setting of the folding mechanism, through the cooperation of the folding plate, the fixed gear, the first connecting rod and the second connecting rod, a plurality of jacking mechanisms can be folded, so that the occupied space and the required space for transportation are greatly reduced, so that the vehicle chassis can be quickly lifted in a non-maintenance workshop environment, and the staff can detect and maintain the chassis.

[0013] The additional technical features and advantages of the utility model will be more obvious in the following description, or can be understood through the specific practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the following specific embodiments, but do not constitute the limitation to the utility model. In the drawings:

[0015] Figure 1 It is the detection state perspective drawing of the tracked vehicle chassis detection device described in the utility model;

[0016] Figure 2 It is the detection state front view of the tracked vehicle chassis detection device described in the utility model;

[0017] Figure 3 It is the folding state perspective drawing of the tracked vehicle chassis detection device described in the utility model;

[0018] Figure 4 It is Figure 3 The enlarged view of A in Fig. 4 is shown in Fig. 5;

[0019] Figure 5 It is the relative position perspective drawing of the folding mechanism and the device support of the tracked vehicle chassis detection device described in the utility model;

[0020] Figure 6 It is Figure 5 The enlarged view of B in Fig. 4 is shown in Fig. 6;

[0021] Figure 7 It is the rear view of the folding mechanism of the tracked vehicle chassis detection device described in the utility model;

[0022] Figure 8 It is the structure schematic view of the jacking mechanism of the tracked vehicle chassis detection device described in the utility model.

[0023] The reference signs are explained as follows:

[0024] 101, device support; 102, wheel; 103, traction frame; 104, first motor; 105, first screw rod; 106, support rod; 201, rack; 202, transmission gear; 203, folding plate; 204, fixed gear; 205, first connecting rod; 206, second connecting rod; 301, jacking support; 302, scissor frame; 303, top plate; 304, second screw rod; 305, driving frame; 306, first coupling; 307, inclined table; 401, driving support; 402, second motor; 403, worm; 404, worm gear; 405, second coupling. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0026] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] The present application will be further described below with reference to the drawings:

[0028] As Figures 1-8As shown, a tracked vehicle chassis detection device, including device main body, device main body including device support 101, support rod 106 is slidably connected on device support 101, moving assembly for driving support rod 106 to move is arranged on device support 101, folding mechanism is arranged on support rod 106, folding mechanism includes rack 201 welded on the front end of device support 101, two symmetrically arranged transmission gears 202 are engaged on both sides of rack 201, transmission gear 202 is rotatably connected with support rod 106 through bearing, a plurality of folding plates 203 are symmetrically arranged on the front side of support rod 106, two fixed gears 204 are welded at the diagonal positions of folding plate 203, adjacent two folding plates 203 are hinged through first connecting rod 205, and the rotation center of the hinge corresponds to the shaft center position of fixed gear 204, adjacent two fixed gears 204 are engaged with each other, adjacent two first connecting rods 205 are hinged through second connecting rod 206, one corner of middle two folding plates 203 is rotatably connected with support rod 106 bearing and the fixed gear 204 thereon is engaged with transmission gear 202, the other end of middle two second connecting rods 206 is hinged with support rod 106, lifting mechanism is arranged on the front side of folding plate 203, power mechanism for driving lifting mechanism to work is arranged on the lower end of the front side of device support 101, no teeth are arranged on the upper end of rack 201, the diameter of transmission gear 202 is smaller than that of fixed gear 204, moving assembly drives support rod 106 to move, support rod 106 drives transmission gear 202 to move, transmission gear 202 rotates in the moving process, transmission gear 202 drives fixed gear 204 to rotate, fixed gear 204 drives folding plate 203 to rotate, second connecting rod 206 rotates in the process of folding plate 203 rotating, second connecting rod 206 ensures that first connecting rod 205 is always parallel to support rod 106, so that the cooperation of fixed gear 204 between two folding plates 203 can make a plurality of folding plates 203 deflect by ninety degrees, so as to achieve folding effect, folding effect can greatly reduce the occupied space and the space required for transportation, so that the vehicle chassis can be quickly lifted in the non-repair workshop environment, and the staff can detect and maintain the chassis.

[0029] The device support 101 is fixedly connected with a traction frame 103 at the top, and two symmetrical wheels 102 are rotatably connected to the rear side of the device support 101. The moving assembly comprises a first motor 104 and a first screw rod 105. The first motor 104 is fixedly connected to the top of the device support 101, and the first screw rod 105 is bearingly rotatably connected to the middle position of the device support 101. The first screw rod 105 is in threaded connection with a support rod 106. The first motor 104 drives the first screw rod 105 to rotate, and the first screw rod 105 drives the support rod 106 to move up and down through the threaded connection. The up-and-down movement of the support rod 106 can switch the device between the detection state and the folded state. After being switched to the folded state, the device support 101 is tilted by the staff through the traction frame 103. In this way, the jacking mechanism is separated from the ground, and the device can be quickly moved through the wheels 102, greatly improving the portability of the device.

[0030] The jacking mechanism comprises a jacking support 301 fixedly connected with the folding plate 203. A scissor frame 302 is installed in the jacking support 301. A top plate 303 is installed at the top of the scissor frame 302. The top plate 303 is in contact with the track. A drive frame 305 is slidingly connected to the bottom of the jacking support 301. The drive frame 305 is hingedly connected to one end of the scissor frame 302 at both ends. A second screw rod 304 is rotatably connected to the jacking support 301. The second screw rod 304 is in threaded connection with the drive frame 305. A first coupling 306 is fixedly connected to one end of the second screw rod 304. The first coupling 306 is used to connect and transmit the rotary motion between the two second screw rods 304. An inclined table 307 is fixedly connected to the outside of the outermost two jacking supports 301. After being switched to the detection state, the jacking support 301 is changed to a horizontal state. The two second screw rods 304 adjacent to each other are connected together through the first coupling 306. The two second screw rods 304 in the middle are connected with a second coupling 405. The second screw rod 304 drives the drive frame 305 connected therewith to move by rotating. The drive frame 305 pushes the scissor frame 302, and the scissor frame 302 jacks up the top plate 303. Since the plurality of second screw rods 304 are connected together, the plurality of top plates 303 are simultaneously lifted. Through the distributed design of the plurality of jacking mechanisms, the weight of the tracked vehicle is evenly dispersed, so that the tracked vehicle with a large self-weight can be jacked up, and the gap between the chassis and the ground is increased.

[0031] The power mechanism comprises a driving support 401 fixedly connected with the device support 101, a second motor 402 fixedly connected with the driving support 401, a worm wheel 404 rotatably connected with the front end of the driving support 401, a worm 403 engaged with the top of the worm wheel 404, the worm 403 rotatably connected with the driving support 401, one end of the second motor 402 fixedly connected with the worm 403, second shaft couplings 405 fixedly connected with the two sides of the worm wheel 404, the second shaft couplings 405 used for connecting the worm wheel 404 with the second screws 304 on the two sides thereof and transmitting the rotary motion, the second motor 402 driving the worm 403 to rotate, the worm 403 driving the worm wheel 404 to rotate, the worm wheel 404 driving the second shaft couplings 405 to rotate, and the second shaft couplings 405 driving the second screws 304 to rotate.

[0032] According to different environments, the power mechanism can be replaced by a hydraulic mechanism to drive the scissors frame 302 to be jacked up; the jacking mechanism can also be replaced by a hydraulic jack, when the hydraulic jack is used, the inner wall of the jacking support 301 and the bottom of the top plate 303 need to be provided with reinforcing ribs to effectively improve the bearing capacity of the jacking support 301 and the top plate 303. The hydraulic mechanism and the hydraulic jack are prior arts, and will not be described here.

[0033] Working principle: the workers move two devices to the front of the tracked vehicle, then make the device support 101 vertical, the device switches to the detection state, the first motor 104 drives the first screw rod 105 to rotate, the first screw rod 105 drives the support rod 106 to move up and down through the threaded connection, the support rod 106 drives the transmission gear 202 to move, the transmission gear 202 rotates in the moving process, the transmission gear 202 drives the fixed gear 204 to rotate, the fixed gear 204 drives the folding plate 203 to rotate, the second connecting rod 206 rotates in the process of the folding plate 203 rotating, the second connecting rod 206 ensures that the first connecting rod 205 is always parallel to the support rod 106, so that the fixed gear 204 between the two folding plates 203 can make several folding plates 203 deflect by ninety degrees, so as to achieve the folding effect, which can greatly reduce the occupied space and the space required for transportation, so that the vehicle chassis can be quickly lifted in the non-repair workshop environment, and the workers can detect and maintain the chassis, then the tracked vehicle moves forward to several lifting mechanisms, the second motor 402 drives the worm 403 to rotate, the worm 403 drives the worm gear 404 to rotate, the worm gear 404 drives the second coupling 405 to rotate, the second coupling 405 drives the second screw rod 304 to rotate, the second screw rod 304 rotates to drive the driving frame 305 connected with it by screw threads to move, the driving frame 305 pushes the scissor frame 302, the scissor frame 302 lifts the top plate 303, since several second screw rods 304 are connected together, so several top plates 303 are lifted at the same time, through the distributed design of the plurality of lifting mechanisms, the weight of the tracked vehicle is evenly dispersed, so that the tracked vehicle with large self-weight can be lifted, the gap between the chassis and the ground is increased, so that the workers can detect and maintain the tracked vehicle chassis.

[0034] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A tracked vehicle chassis inspection device comprising a device body, characterised in that: The device body includes a device support (101), a support rod (106) is slidably connected to the device support (101), a moving assembly for driving the support rod (106) to move is arranged on the device support (101), a folding mechanism is arranged on the support rod (106), the folding mechanism includes a rack (201) fixedly connected to the front end of the device support (101), two symmetrically arranged transmission gears (202) are engaged on the both sides of the rack (201), the transmission gears (202) are rotatably connected with the support rod (106), a plurality of folding plates (203) are symmetrically arranged on the front side of the support rod (106), two fixed gears (204) are fixedly connected to the diagonal positions of the folding plates (203), two adjacent folding plates (203) are hingedly connected through a first connecting rod (205), the rotation centers of the hinged connection correspond to the shaft positions of the fixed gears (204), two adjacent fixed gears (204) are engaged with each other, two adjacent first connecting rods (205) are hingedly connected through a second connecting rod (206), one corner of the middle two folding plates (203) is rotatably connected with the support rod (106), and the fixed gear (204) thereon is engaged with the transmission gear (202), the other end of the middle two second connecting rods (206) is hingedly connected with the support rod (106), a jacking mechanism is arranged on the front side of the folding plate (203), and a power mechanism for driving the jacking mechanism to work is arranged on the lower end of the front side of the device support (101).

2. A tracked vehicle chassis detection device according to claim 1, characterised in that: The upper end of the rack (201) is not provided with teeth, and the diameter of the transmission gear (202) is smaller than the diameter of the fixed gear (204).

3. The track vehicle chassis detection device of claim 1, wherein: The device support (101) is fixedly connected with a traction frame (103) on the top, and two symmetrically arranged wheels (102) are rotatably connected to the rear side of the device support (101).

4. The track vehicle chassis detection device of claim 1, wherein: The moving assembly includes a first motor (104) and a first screw rod (105), the first motor (104) is fixedly connected to the top of the device support (101), the first screw rod (105) is rotatably connected to the middle position of the device support (101), and the first screw rod (105) is threadedly connected with the support rod (106).

5. The track vehicle chassis detection device of claim 1, wherein: The jacking mechanism comprises jacking supports (301) fixedly connected with the folding plates (203), a scissor frame (302) installed in the jacking supports (301), a top plate (303) installed on the top of the scissor frame (302), the top plate (303) in contact with the caterpillar belt, a driving frame (305) slidingly connected to the bottom of the jacking supports (301), the driving frame (305) hingedly connected to one end of the scissor frame (302) at two ends, a second screw rod (304) rotatably connected in the jacking supports (301), the second screw rod (304) threadedly connected with the driving frame (305), the second screw rod (304) fixedly connected with a first coupling (306) at one end, the first coupling (306) used for connecting and transmitting the rotary motion between the two second screw rods (304), and the outer sides of the two jacking supports (301) at the edge fixedly connected with inclined tables (307).

6. A tracked vehicle chassis detection device according to claim 5, characterised in that: The power mechanism comprises a driving support (401) fixedly connected with the device support (101), a second motor (402) fixedly connected on the driving support (401), a worm gear (404) rotatably connected to the front end of the driving support (401), a worm (403) engaged on the top of the worm gear (404), the worm (403) rotatably connected with the driving support (401), the second motor (402) fixedly connected with the worm (403) at one end, the worm gear (404) fixedly connected with second couplings (405) at two sides, the second couplings (405) used for connecting the worm gear (404) with the second screw rods (304) at two sides and transmitting the rotary motion.

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