Mechanical arm of lifting machine for automobile maintenance

Abstract

The utility model discloses a mechanical arm of a lifting machine for automobile maintenance, and relates to the technical field of automobile maintenance. The gravity of an automobile cannot be uniformly distributed on a supporting arm, the bearing force deviation phenomenon occurs, and after the bearing force deviation exceeds the designed bearing range of the supporting arm, rollover or local collapse occurs. The device comprises a connecting seat and a supporting mechanism, wherein the supporting mechanism is arranged on one side of the connecting seat. Through the arrangement of the supporting mechanism, the supporting rod, the movable rod and the connecting base, after the movable rod is adjusted to the ideal length matched with different vehicle types, the elastic potential energy of the limiting spring can be used for pushing the fixing clamping block to be accurately embedded into the clamping groove preset in the top end of the movable rod, and the movable rod can be firmly fixed; therefore, the bearing seat can adapt to automobiles with different axle distances and different automobile body structures, the automobiles are stably supported, the gravity of the automobiles can be evenly dispersed through the bearing seat, and the risk that the automobiles overturn in the maintaining and lifting process can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile maintenance, specifically to a mechanical arm of lifting machine for automobile maintenance. BACKGROUND

[0002] The lifting machine is the essential lifting tool for automobile maintenance and maintenance, can lift the automobile from the ground to the best height suitable for operation of the maintenance worker when the automobile is maintained, makes the maintenance worker conveniently, safely and quickly complete the maintenance and detection of the vehicle, is widely applied in the place of automobile maintenance, and the mechanical arm of the lifting machine is the main part of the lifting machine and directly contacts the automobile when the lifting machine lifts.

[0003] For the related technology in the above, the applicant thinks that the mechanical arm of the lifting machine for automobile maintenance works, first starts the lifting machine, the driving motor in the lifting machine is electrified and runs, the strong torque output by the motor drives the lead screw to rotate accurately, the lead screw and the movable block outside are closely matched through the thread, along with the continuous rotation of the lead screw, the movable block moves stably along the lead screw axial direction according to the spiral track of the lead screw.Because the movable block and the mechanical arm are rigidly connected, the movement of the movable block will synchronously drive the mechanical arm to move, thereby adjusting the mechanical arm to the appropriate position, and then realizing the stable lifting of the automobile.However, the wheelbase of different automobile models is significantly different.When the lifting machine is used to lift the automobile with a wide body and a large wheelbase, the gravity of the automobile cannot be evenly distributed on the support arm, the bearing force deviates, and when the bearing force deviation exceeds the design load range of the support arm, side turning or local collapse occurs, not only causing personal injury to the surrounding maintenance personnel, but also causing damage to the maintenance equipment, affecting the normal development of the maintenance work. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of mechanical arm of lifting machine for automobile maintenance, to solve the problem that the gravity of automobile cannot be evenly distributed on support arm in the above background technology, the phenomenon of bearing force deviation occurs, and when bearing force deviation exceeds the design load range of support arm, side turning or local collapse occurs.

[0005] To achieve the above object, the utility model provides the following technical scheme: A mechanical arm of lifting machine for automobile maintenance, including connecting seat and support mechanism, the support mechanism sets up at one side of connecting seat, the support mechanism includes the rotary seat of setting up both ends of one side of connecting seat, the inside rotation of rotary seat is provided with rotary lever, the outside of rotary lever is provided with support rod, the inside of support rod is provided with movable rod, the top of movable rod is provided with bearing seat, the side of support rod top away from connecting seat is provided with fixed block, the top of fixed block is provided with adjusting rod, the outside of adjusting rod is equipped with limit spring, the bottom of adjusting rod is provided with support block, the limit spring promotes the vertical movement of support block, the bottom of support block is evenly provided with fixed block.

[0006] By adopting the above technical scheme, the length of the movable rod can be flexibly adjusted by stretching or shrinking. When the movable rod is adjusted to the ideal length suitable for different vehicle models, the elastic potential energy of the limit spring can push the fixed block to accurately embed into the preset clamping groove at the top end of the movable rod. The movable rod can be conveniently limited and firmly fixed, so that the bearing seat can be adapted to different wheelbase and different vehicle body structures to stably support the vehicle. The bearing seat can evenly distribute the weight of the vehicle to reduce the risk of overturning during the lifting process.

[0007] Preferably, the top end of the movable rod is uniformly provided with a clamping groove that matches the fixed block.

[0008] By adopting the above technical scheme, the elastic potential energy of the limit spring can push the fixed block to accurately embed into the preset clamping groove at the top end of the movable rod.

[0009] Preferably, the side of the rotary seat away from the connecting seat is provided with a fixed bolt that is inserted into the inside of the rotary lever.

[0010] By adopting the above technical scheme, the rotary lever can be conveniently limited.

[0011] Preferably, the top end of the rotary lever is provided with a driving handle.

[0012] By adopting the above technical scheme, the staff can conveniently drive the rotary lever to rotate.

[0013] Preferably, the top of the rotary lever is uniformly provided with a bolt hole that matches the fixed bolt.

[0014] By adopting the above technical scheme, the fixed bolt can be inserted into the bolt hole in the inside of the rotary lever through the rotary seat.

[0015] Preferably, the fixed clamping blocks are arranged in three groups, and the fixed clamping blocks are symmetrically distributed about the inner center point of the support block.

[0016] By adopting the above technical scheme, the fixing effect of the fixed clamping block on the movable rod can be improved.

[0017] Preferably, the connecting seat is provided with a movable block away from one side of the support rod, a lead screw is arranged in the movable block, and a driving motor is arranged at the top end of the lead screw.

[0018] By adopting the above technical scheme, the driving motor can drive the lead screw to rotate.

[0019] Preferably, the bottom end of the driving motor is provided with a fixed seat, and the lead screw is arranged in the fixed seat.

[0020] By adopting the above technical scheme, the lead screw can be conveniently protected.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] By arranging the support mechanism, the support rod, the movable rod and the connecting seat, the length of the movable rod can be flexibly adjusted by stretching or shrinking the movable rod. When the movable rod is adjusted to the ideal length suitable for different vehicle models, the elastic potential energy of the limiting spring can be used to push the fixed clamping block to accurately embed in the clamping groove at the top end of the movable rod, the movable rod can be conveniently limited, and the movable rod can be firmly fixed, so that the bearing seat can be adapted to different wheelbase and different vehicle body structures of the automobile, the automobile is stably supported, the automobile gravity can be uniformly dispersed by the bearing seat, the risk of overturning of the automobile during maintenance and lifting can be reduced, the rotating seat, the fixed bolt and the rotating rod are arranged, the rotating rod can be rotated by rotating the driving handle at the top end of the rotating rod, the position of the support rod can be conveniently adjusted, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is a three-dimensional structure schematic view of the support mechanism of the utility model;

[0025] Figure 3 It is a three-dimensional structure schematic view of the support mechanism of the utility model; Figure 3 It is an enlarged structure schematic view of A in the utility model;

[0026] Figure 4 It is an internal structure schematic view of the fixed block of the utility model.

[0027] In the figure: 1, drive motor; 2, fixed seat; 3, screw rod; 4, supporting mechanism; 401, supporting rod; 402, fixed block; 403, bearing seat; 404, movable rod; 405, rotating seat; 406, fixed bolt; 407, adjusting rod; 408, clamping groove; 409, rotating rod; 410, limiting spring; 411, supporting block; 412, fixed clamping block; 5, connecting seat; 6, movable block. DETAILED DESCRIPTION

[0028] 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 scope of protection of the utility model.

[0029] Embodiment one

[0030] Please refer to Figures 1 to 4 The embodiment provides a technical scheme: a mechanical arm of a lifting machine for automobile maintenance, which comprises a connecting seat 5 and a supporting mechanism 4, the supporting mechanism 4 is arranged on one side of the connecting seat 5, the supporting mechanism 4 comprises rotating seats 405 fixedly connected to both ends of one side of the connecting seat 5, the rotating seats 405 can provide bearing capacity, rotating rods 409 are rotatably arranged in the rotating seats 405, supporting rods 401 are fixedly connected to the outside of the rotating rods 409, movable rods 404 are arranged through the inside of the supporting rods 401, bearing seats 403 are fixedly connected to the top end of the movable rods 404, and the bearing seats 403 can conveniently support the automobile.

[0031] The top end of the supporting rod 401 is fixedly connected with a fixed block 402 away from one side of the connecting seat 5, the top end of the fixed block 402 is arranged through with an adjusting rod 407, the outside of the adjusting rod 407 is sleeved with a limiting spring 410, the bottom end of the adjusting rod 407 is fixedly connected with a supporting block 411, the supporting block 411 is vertically moved by the limiting spring 410, the bottom end of the supporting block 411 is uniformly fixedly connected with fixed clamping blocks 412, and the top end of the movable rod 404 is uniformly provided with clamping grooves 408, the clamping grooves 408 are matched with the fixed clamping blocks 412, as shown in the accompanying drawings, the elastic potential energy of the limiting spring 410 can drive the fixed clamping blocks 412 to be accurately embedded in the clamping grooves 408 at the top end of the movable rod 404, the fixed clamping blocks 412 are arranged as three groups, and the fixed clamping blocks 412 are symmetrically distributed about the inside center point of the supporting block 411, so that the fixing effect of the fixed clamping blocks 412 on the movable rod 404 can be improved. Figure 4

[0032] ​The whole embodiment one achieves the effect that: by stretching or shrinking the movable rod 404, the length of the movable rod 404 can be adjusted, when the movable rod 404 is adjusted to the appropriate length, the elastic potential energy of the limiting spring 410 can be used to push the fixed clamping block 412 to accurately embed in the preset clamping groove 408 at the top end of the movable rod 404, which can conveniently limit the movable rod 404, and then firmly fix the movable rod 404, so that the bearing seat 403 can adapt to different wheelbase and different car body structure of the car, and form stable support for the car, and the bearing seat 403 can uniformly disperse the gravity of the car, which can reduce the risk of overturning of the car during maintenance and lifting.

[0033] Embodiment two

[0034] The side of the rotating seat 405 away from the connecting seat 5 is provided with a fixed bolt 406 penetrating through, the fixed bolt 406 is inserted into the inside of the rotating rod 409, the top end of the rotating rod 409 is fixedly connected with a driving handle, which can conveniently drive the rotating rod 409 to rotate, and the upper part of the outside of the rotating rod 409 is uniformly provided with a bolt hole, which is engaged with the fixed bolt 406.

[0035] The whole embodiment two achieves the effect that: by rotating the driving handle at the top end of the rotating rod 409, the rotating rod 409 can be driven to rotate, so that the position of the supporting rod 401 can be conveniently adjusted, and the supporting rod 401 can be conveniently moved to the bottom end of the car, and then the fixed bolt 406 is inserted into the bolt hole in the inside of the rotating rod 409 through the rotating seat 405, so that the supporting rod 401 can be fixed, and the practicability of the device can be improved.

[0036] Embodiment three

[0037] The side of the connecting seat 5 away from the supporting rod 401 is fixedly connected with a movable block 6, the inside of the movable block 6 is provided with a lead screw 3 penetrating through, the top end of the lead screw 3 is provided with a driving motor 1, the driving motor 1 works by the principle that the current conductor moves under the action of magnetic field force, the stator generates a magnetic field, the coil on the rotor becomes a current conductor after being electrified, and the rotor rotates under the action of Ampere force. At the same time, the commutator continuously changes the current direction of the coil to ensure that the rotor continuously rotates in the same direction, and when it is selected, appropriate models should be selected according to actual needs, and the above required parts in the driving motor 1 are prior art, and details are not described below.

[0038] The output end of the driving motor 1 is connected with the lead screw 3, the driving motor 1 can drive the lead screw 3 to rotate, the bottom end of the driving motor 1 is provided with a fixed seat 2, and the lead screw 3 is arranged in the inside of the fixed seat 2.

[0039] The effect achieved by the whole embodiment three is: the driving motor 1 is started by the control switch, the driving motor 1 is electrified to run, and the strong torque output drives the lead screw 3 to rotate accurately in a circle.

[0040] Working principle: by stretching or shrinking the movable rod 404, the length of the movable rod 404 can be adjusted, when the movable rod 404 is adjusted to the appropriate length, the elastic potential energy of the limiting spring 410 can be used to push the fixed clamping block 412 to accurately embed in the clamping groove 408 at the top of the movable rod 404, the movable rod 404 can be conveniently limited, and then the movable rod 404 is firmly fixed, so that the bearing seat 403 can adapt to different wheelbase and different car body structure of the car, and form stable support for the car, the bearing seat 403 can uniformly disperse the gravity of the car, and the risk of overturning of the car during maintenance and lifting can be reduced.

[0041] Secondly, by rotating the driving handle at the top of the rotating rod 409, the rotating rod 409 can be driven to rotate, so that the position of the supporting rod 401 can be adjusted conveniently, the supporting rod 401 can be moved to the bottom of the car, and then the fixed bolt 406 is inserted into the bolt hole in the rotating rod 409 through the rotating seat 405, so that the supporting rod 401 can be fixed, and the practicability of the device can be improved.

[0042] Finally, the driving motor 1 is started by the control switch, the driving motor 1 is electrified to run, and the strong torque output drives the lead screw 3 to rotate accurately in a circle. The lead screw 3 is tightly matched with the movable block 6 outside through threads, along with the continuous rotation of the lead screw 3, the movable block 6 moves stably and linearly along the axial direction of the lead screw 3 according to the spiral track of the lead screw 3, so that the supporting rod 401 is driven synchronously, thereby realizing the stable lifting of the car.

[0043] In the description of the utility model, it should be explained that, unless there is definite provision and limitation, the terms "installation", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be direct connection, can also be indirect connection through intermediate medium, can be the communication inside two elements, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific conditions.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mechanical arm of a lift for vehicle repair, characterized by: Include: The connecting seat; Supporting mechanism, the supporting mechanism is arranged at one side of connecting seat, the supporting mechanism includes rotating seat arranged at both ends of one side of connecting seat, rotating seat is arranged with rotating rod inside, the outside of rotating rod is provided with support rod, the inside of support rod is provided with movable rod, the top of movable rod is provided with bearing seat, the side of support rod top away from connecting seat is provided with fixed block, the top of fixed block is provided with adjusting rod, the outside of adjusting rod is provided with limit spring, the bottom of adjusting rod is provided with support block, the limit spring pushes support block to move vertically, the bottom of support block is uniformly provided with fixed block.

2. The mechanical arm of a lift for vehicle repair according to claim 1, characterized in that: The top of movable rod is uniformly provided with clamping groove, the clamping groove is consistent with fixed block.

3. The mechanical arm of the lifting machine for vehicle repair according to claim 1, characterized in that: The side of rotating seat away from connecting seat is provided with fixed bolt, the fixed bolt is inserted into the inside of rotating rod.

4. The mechanical arm of the lifting machine for vehicle repair according to claim 1, characterized in that: The top of rotating rod is provided with driving handle.

5. The mechanical arm of a lift for vehicle repair according to claim 1, characterized in that: The top of rotating rod is provided with bolt hole, the bolt hole is engaged with fixed bolt.

6. The mechanical arm of a lift for vehicle repair according to claim 1, characterized in that: The fixed block is provided with three groups, the fixed block is symmetrically distributed about the inside center point of support block.

7. The mechanical arm of a lift for vehicle repair according to claim 1, characterized in that: The side of connecting seat away from support rod is provided with movable block, the inside of movable block is provided with screw rod, the top of screw rod is provided with driving motor, the output end of driving motor is connected with screw rod.

8. The mechanical arm of a lift for vehicle repair according to claim 7, characterized in that: The bottom of driving motor is provided with fixed seat, the inside of fixed seat is provided with screw rod.

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