Tractor assembly line rack

Abstract

The utility model relates to the technical field of assembly line racks, and discloses a tractor assembly line rack which comprises a bottom rack, a motor is fixedly connected to the left side of the bottom rack, a first bevel gear rod is fixedly connected to the output end of the motor, a worm is rotationally connected to the lower middle portion of the inner side of the bottom rack, and a second bevel gear rod is fixedly connected to the left end of the worm. The second bevel gear rod and the first bevel gear rod are connected in a meshed mode, worm wheel rods are rotationally connected to the left side and the right side of the inner bottom wall of the bottom frame, the front sides of the worm wheel rods are connected with the rear side of the worm in a meshed mode, threaded rods are fixedly connected to the tops of the worm wheel rods, and top frames are connected to the outer walls of the threaded rods in a threaded mode. According to the tractor assembly line rack height adjusting device, the motor drives the worm gear rod and the threaded rods to rotate through the first bevel gear rod, the second bevel gear rod and the worm, when the two threaded rods rotate, the two threaded rods drive the top frame to move upwards through the threads formed outside the threaded rods, and therefore the effect of adjusting the height of the tractor assembly line rack is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to assembly line rack technical field especially relates to a tractor assembly line rack. BACKGROUND

[0002] The rack is a device or structure used for supporting, fixing or testing objects, which is made of metal, wood or other solid materials, has a certain shape and size to meet the specific use requirements, and has various forms, such as the experimental rack used for placing instruments and equipment and performing various experimental operations in scientific experiments, which can provide a stable working plane and support.

[0003] The tractor assembly line rack is an important device used for assisting assembly operation in the tractor production field, which is composed of a supporting structure and a moving mechanism, the supporting structure provides a stable foundation for the entire rack, is mostly welded by metal materials, has sufficient strength and rigidity to bear the weight of the tractor and related parts, the previous tractor assembly line rack is a single workbench and cannot be moved, and now the moving mechanism is added to the tractor assembly line rack to facilitate the transportation during assembly, and the existing tractor assembly line rack is integrally welded by steel plates and steel pipes, and the integrated tractor assembly line rack cannot adjust its height according to the use condition during work, so that the workers need to continuously bend down for work sometimes, thereby affecting the health of the workers. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a tractor assembly line rack, which aims at improving the problem that the assembly line rack in the prior art cannot adjust its height according to the use condition during work, so that the workers need to continuously bend down for work sometimes, thereby affecting the health of the workers.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a tractor assembly line rack, comprising a chassis, a motor is fixedly connected to the left side of the chassis, a bevel gear rod one is fixedly connected to the output end of the motor, a worm is rotationally connected to the middle and lower part of the inner side of the chassis, a bevel gear rod two is fixedly connected to the left end of the worm, the bevel gear rod two and the bevel gear rod one are meshed and connected, a worm gear rod is rotationally connected to the left and right sides of the inner bottom wall of the chassis, the front sides of the two worm gear rods are meshed and connected with the rear side of the worm, a threaded rod is fixedly connected to the top of the two worm gear rods, a top rack is threadedly connected to the outer wall of the two threaded rods, a splicing expansion mechanism is installed on the front side of the chassis, and the splicing expansion mechanism is used for splicing and expanding the tractor assembly line rack.

[0006] Further description of the above technical scheme:

[0007] The splicing expansion mechanism comprises two insertion buckles, the rear sides of the two insertion buckles are fixedly connected to the left and right ends of the front side of the chassis, the left and right sides of the two insertion buckles are slidably connected with fixing buckles, the adjacent sides of the fixing buckles are fixedly connected with springs, the middle parts of the adjacent sides of the fixing buckles are fixedly connected with steel wires, the ends of the two steel wires are fixedly connected with pull rods, and the left and right ends of the rear side of the chassis are provided with insertion grooves.

[0008] As a further description of the above technical scheme:

[0009] The bottom of the motor is fixedly connected with a stabilizing frame, and the left and right sides of the front and rear ends of the stabilizing frame are threadedly connected with screws.

[0010] As a further description of the above technical scheme:

[0011] The left and right ends of the inner side of the top frame are fixedly connected with limiting strips at equal intervals, and the left and right sides of the front and rear ends of the chassis are provided with limiting grooves.

[0012] As a further description of the above technical scheme:

[0013] The inner sides of the two insertion buckles are rotatably connected with a plurality of rotating rods at equal intervals, and the outer walls of the rotating rods are fixedly connected with pulleys.

[0014] As a further description of the above technical scheme:

[0015] The front and rear sides of the upper ends of the two pull rods are fixedly connected with rubber pads, and the outer walls of the rubber pads are provided with anti-skid lines.

[0016] As a further description of the above technical scheme:

[0017] The top wall of the top frame is provided with an assembly groove in the middle part, and the inner side of the assembly groove is fixedly connected with a protective sleeve.

[0018] As a further description of the above technical scheme:

[0019] The bottom of the chassis is fixedly connected with bearings at four corners, and the bottoms of the bearings are fixedly connected with rollers.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、in the utility model, the motor is driven to rotate by the bevel gear rod one, the bevel gear rod two and the worm, and the two worm rods and the corresponding threaded rods are rotated, when the two threaded rods rotate, the top frame is driven to move upward through the threads arranged on the outer sides of the threaded rods, so that the height of the tractor assembly line rack is adjusted.

[0022] 2. In the utility model, the pull rod is pulled to drive the steel wire to pull the fixing buckle to retract into the plug-in buckle, then the two plug-in buckles at the front end of the first chassis are inserted into the corresponding plug-in slots at the rear side of the second chassis, then the two pull rods are loosened, at this time the plurality of springs will push the corresponding fixing buckles out, thereby fixing the two tractor assembly line racks, so that the effect of tractor assembly line rack splicing and expansion is realized. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of a tractor assembly line rack is provided in the utility model;

[0024] Figure 2 A partial structure split view of a tractor assembly line rack is provided in the utility model;

[0025] Figure 3 A Figure 2 enlarged view of A in the utility model;

[0026] Figure 4 A splicing and expansion mechanism sectional view of a tractor assembly line rack is provided in the utility model;

[0027] Figure 5 A Figure 4 enlarged view of B in the utility model.

[0028] LEGEND:

[0029] 1, chassis; 2, splicing and expansion mechanism; 201, plug-in buckle; 202, fixing buckle; 203, spring; 204, steel wire; 205, pull rod; 206, plug-in slot; 3, motor; 4, bevel gear rod one; 5, worm; 6, bevel gear rod two; 7, worm gear rod; 8, threaded rod; 9, top rack; 10, stabilizing frame; 11, screw; 12, limiting strip; 13, limiting groove; 14, rotating rod; 15, pulley; 16, rubber pad; 17, anti-skid pattern; 18, assembly groove; 19, protective sleeve; 20, bearing; 21, roller. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Referring to Figure 2 and Figure 3The utility model provides an embodiment: a tractor assembly line rack, the left side fixed connection of bottom frame 1 has motor 3, the output fixed connection of motor 3 has bevel gear rod one 4, the inside lower portion rotation of bottom frame 1 is connected with worm 5, the left end fixed connection of worm 5 has bevel gear rod two 6, motor 3 drives the rotation of worm 5 through bevel gear rod one 4 and bevel gear rod two 6, bevel gear rod two 6 and bevel gear rod one 4 meshing connection, the inside bottom wall left and right sides of bottom frame 1 are all rotationally connected with worm gear rod 7, the rear side of two worm gear rods 7 all are meshed with the rear side of worm 5, the top of two worm gear rods 7 all are fixedly connected with threaded rod 8, worm 5 drives the rotation of threaded rod 8 through worm gear rod 7, the outer wall of two threaded rods 8 all are threadedly connected with top frame 9, threaded rod 8 drives top frame 9 to go up through thread, the front side of bottom frame 1 is installed with splicing expansion mechanism 2, and splicing expansion mechanism 2 is used for the splicing expansion of tractor assembly line rack, the bottom fixed connection of motor 3 has stabilizer 10, the left and right sides front and back end of stabilizer 10 all are threadedly connected with screw 11, and screw 11 is used for fixed stabilizer 10, the inside left and right end of top frame 9 all are fixedly connected with limit strip 12 at equal intervals, and the left and right sides front and back end of bottom frame 1 all are provided with limit slot 13, and limit slot 13 is used for the sliding of limit strip 12;

[0032] Specifically, the power provided by the motor 3 drives the rotation of the bevel gear rod one 4, when the bevel gear rod one 4 rotates, it will drive the bevel gear rod two 6 to rotate synchronously through the meshing mode, thereby driving the worm 5 fixed on the inside of the bottom frame 1 to rotate, when the worm 5 rotates, it will try to mesh with the two worm gear rods 7 to drive them to rotate, as the two worm gear rods 7 rotate, the two threaded rods 8 fixed on them will also rotate synchronously, when the two threaded rods 8 rotate, they will drive the top frame 9 to move upwards through the threads opened on their outer, the stabilizer 10 fixed by the screw 11 can improve the stability of the motor 3, and the cooperation of the limit slot 13 and the limit strip 12 can avoid the deviation of the bottom frame 1 and the top frame 9.

[0033] Referring to Figure 4 and Figure 5 , the splicing expansion mechanism 2 includes two insertion buckles 201, the rear side of the two insertion buckles 201 is fixedly connected to the front left and right ends of the bottom frame 1, the left and right sides of the two insertion buckles 201 are slidably connected with two fixed buckles 202, the adjacent side of the multiple fixed buckles 202 is fixedly connected with a spring 203, the spring 203 is used to push the fixed buckle 202, the middle part of the adjacent side of the multiple fixed buckles 202 is fixedly connected with a steel wire 204, the ends of the two steel wires 204 are fixedly connected with a pull rod 205, the pull rod 205 pulls the fixed buckle 202 through the steel wire 204, the rear left and right ends of the bottom frame 1 are provided with an insertion slot 206, the inside of the two insertion buckles 201 is rotatably connected with multiple rotating rods 14 at equal intervals, the outer wall of the multiple rotating rods 14 is fixedly connected with multiple pulleys 15, and the rotating rod 14 is used to fix the pulley 15.

[0034] Specific, by the pull rod 205 corresponding to the corresponding steel wire 204 pull corresponding fixed buckle 202 retract into the plug buckle 201, then the first chassis 1 front end of two plug buckle 201 inserted into the second chassis 1 rear side corresponding to the plug slot 206, then loosen two pull rod 205, at this time the plurality of springs 203 will be corresponding to the fixed buckle 202 to push out, so as to fix two tractor assembly line rack, through the pulley 15 fixed outside the rotating rod 14 to improve the smoothness of the steel wire 204.

[0035] Referring to Figure 1 And Figure 5 , the front and rear sides of the two pull rod 205 upper end is fixedly connected with rubber pad 16, a plurality of rubber pad 16 outer wall is provided with anti-skid pattern 17, anti-skid pattern 17 for improving the slip resistance of rubber pad 16, the top wall of the top rack 9 is provided with assembly groove 18, the inner side of the assembly groove 18 is fixedly connected with protective sleeve 19, the protective sleeve 19 is used for providing protection, the bottom of the chassis 1 four corners is fixedly connected with bearing 20, the bottom of the plurality of bearing 20 is fixedly connected with the roller 21, the bearing 20 is used for fixing the roller 21;

[0036] Specific, fixed in the pull rod 205 front and rear rubber pad 16 through the anti-skid pattern 17 set in its outer improve its grip, fixed in the assembly groove 18 of the protective sleeve 19 can avoid the staff knock injury, the roller 21 through the bearing 20 realizes the multidirectional movement of tractor assembly line rack.

[0037] Working principle: in the process of using tractor assembly line rack if it is necessary to adjust its height, first start the motor 3 installed on the chassis 1, through the power provided by the motor 3 drive bevel gear rod one 4 rotation, when the bevel gear rod one 4 rotation will be driven by the meshing way bevel gear rod two 6 synchronous rotation, thus driving the fixed inside the chassis 1 worm 5 rotation, when the worm 5 rotation will be with two worm gear rod 7 try to mesh to drive its rotation, with the rotation of the two worm gear rod 7 fixed on the two screw rod 8 will also rotate synchronously, when the two screw rod 8 rotation will drive the top rack 9 up through the screw thread set in its outer, so as to realize the effect of adjusting the height of tractor assembly line rack;

[0038] In the use of tractor assembly line rack when its length is not enough, first pull the two pull rod 205 on the chassis 1, thus driving the corresponding steel wire 204 pull corresponding fixed buckle 202 retract into the plug buckle 201, then the first chassis 1 front end of two plug buckle 201 inserted into the second chassis 1 rear side corresponding to the plug slot 206, then loosen two pull rod 205, at this time the plurality of springs 203 will be corresponding to the fixed buckle 202 to push out, so as to fix two tractor assembly line rack, so as to realize the effect of tractor assembly line rack splicing expansion.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A tractor assembly line bench, comprising a base frame (1), characterized in that: A motor (3) is fixedly connected to the left side of the base frame (1). A bevel gear rod (4) is fixedly connected to the output end of the motor (3). A worm gear (5) is rotatably connected to the lower inner side of the base frame (1). A bevel gear rod (6) is fixedly connected to the left end of the worm gear (5). The bevel gear rod (6) and the bevel gear rod (4) are meshed together. Worm gear rods (7) are rotatably connected to the left and right sides of the inner bottom wall of the base frame (1). The front sides of the two worm gear rods (7) are meshed with the rear side of the worm gear (5). Threaded rods (8) are fixedly connected to the top of the two worm gear rods (7). Top frames (9) are threadedly connected to the outer walls of the two threaded rods (8). A splicing expansion mechanism (2) is installed on the front side of the base frame (1). The splicing expansion mechanism (2) is used for splicing expansion of the tractor assembly line frame.

2. The tractor assembly line stand according to claim 1, characterized in that: The splicing expansion mechanism (2) includes buckles (201), the rear sides of two buckles (201) are fixedly connected to the left and right ends of the front side of the base frame (1), the left and right sides of two buckles (201) are slidably connected to fixing buckles (202), the adjacent sides of multiple fixing buckles (202) are fixedly connected to springs (203), the middle of the adjacent sides of multiple fixing buckles (202) are fixedly connected to steel wires (204), the ends of two steel wires (204) are fixedly connected to pull rods (205), and the left and right ends of the rear side of the base frame (1) are provided with slots (206).

3. A tractor assembly line stand according to claim 1, characterized in that: The bottom of the motor (3) is fixedly connected to a stabilizer (10), and screws (11) are threadedly connected to the left and right sides, front and rear ends of the stabilizer (10).

4. A tractor assembly line stand according to claim 1, characterized in that: Limiting strips (12) are fixedly connected at equal intervals on the left and right sides of the inner side of the top frame (9), and limiting grooves (13) are opened on the front and rear ends of the left and right sides of the base frame (1).

5. A tractor assembly line bench according to claim 2, characterized in that: The inner sides of the two buckles (201) are equidistantly connected to a plurality of rotating rods (14), and the outer walls of the plurality of rotating rods (14) are fixedly connected to pulleys (15).

6. A tractor assembly line stand according to claim 2, characterized in that: Both of the two pull rods (205) have rubber pads (16) fixedly connected to their upper front and rear sides, and the outer walls of the multiple rubber pads (16) are provided with anti-slip textures (17).

7. A tractor assembly line stand according to claim 1, characterized in that: An assembly groove (18) is provided in the middle of the top wall of the top frame (9), and a protective sleeve (19) is fixedly connected to the inner side of the assembly groove (18).

8. A tractor assembly line stand according to claim 1, characterized in that: Bearings (20) are fixedly connected to the four corners of the bottom of the base frame (1), and rollers (21) are fixedly connected to the bottom of the multiple bearings (20).

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