Lifting appliance for coating lower frame of excavator

Abstract

The utility model relates to the technical field of lifting appliances, and discloses a lifting appliance for coating a lower frame of an excavator, which comprises a support frame, a connecting seat is welded at the top of the support frame, two sliding rods are arranged between the inner walls of the two sides of the support frame, the sliding rods move on the support frame through a power mechanism, the tops of the two sliding rods are both provided with through holes, and the through holes are communicated with the connecting seat. According to the lifting appliance, the sliding rods and the sliding frame are arranged, and the four corners of the lower frame are all fixed, so that when the lower frame is lifted, the lower frame is kept parallel, the lower frame is prevented from being damaged due to uneven stress, the stress uniformity of the lifting appliance during lifting is improved, and the lifting appliance has the advantages of being simple in structure, convenient to use and high in practicability. By arranging the power mechanism, the linear motor drives the sliding rod to move on the guide rail, so that the horizontal position of the connecting assembly is changed, the lifting appliance is suitable for lower vehicle frames with different lengths, and the applicability of the lifting appliance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance for excavator lower frame coating. BACKGROUND

[0002] In the coating process of the excavator lower frame, the lower frame needs to be fixed by the lifting appliance to ensure stability.

[0003] According to the search, the patent with the publication number CN214717731U discloses a lifting appliance for excavator lower frame coating, which can effectively avoid the obstruction and stress deformation of the lower frame footboard area in the coating process, effectively improve the product appearance quality, however, the chain wheel connecting seat is located at one end of the lower frame, and it only lifts the chain wheel connecting seat, which can make the lower frame inclined, so that the other end supports the whole lower frame, resulting in that the other end of the lower frame is easy to be deformed and damaged. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a lifting appliance for excavator lower frame coating to solve the problems existing in the background art.

[0005] The utility model provides the following technical scheme: a lifting appliance for excavator lower frame coating, including support frame, the top of support frame is welded with connecting seat, be equipped with two slide rods between the two side inner walls of support frame, and slide rod moves on support frame through power mechanism, the top of two slide rods is all set up with the perforation, the perforation is slidably connected with the slide frame, and the both ends of slide frame are equipped with the connecting assembly connected with lower frame, the top of two slide rods is equipped with the locking mechanism that fixes the height of slide frame.

[0006] As a further scheme of the utility model, the power mechanism includes guide rails fixed on the two side inner walls of the support frame by bolts, the top of the guide rails is provided with a linear motor moving on the guide rails, and the linear motor is fixed with the slide rod.

[0007] As a further scheme of the utility model, the connecting assembly includes a U-shaped frame fixed on the both ends of the slide frame by bolts, the both side outer walls of the U-shaped frame are provided with through holes, the through holes are inserted with a latch, and the other end of the latch is inserted with an O-shaped pin.

[0008] As a further scheme of the utility model, the connecting assembly includes an L-shaped frame fixed on the both ends of the slide frame by bolts, and the side of the L-shaped frame is rotatably connected with a supporting plate.

[0009] As a further scheme of the utility model, the locking mechanism includes two electric push rods fixed on the top of the slide rod by bolts, the moving end of the two electric push rods is fixed with a clamping plate by bolts, the both sides of the slide frame are provided with positioning holes, and one end of the clamping plate can be inserted into the positioning hole.

[0010] As a further scheme of the utility model, the two side inner walls of the support frame are fixed with guide rods through bolts, and the guide rods pass through the two slide rods and are in sliding connection with the slide rods.

[0011] As a further scheme of the utility model, the top of the support plate is arc-shaped.

[0012] As a further scheme of the utility model, the top of the support plate is a plane.

[0013] The utility model discloses the technical effects and advantages:

[0014] 1. The utility model discloses a slide rod and slide is equipped with, and the four corners of lower frame are fixed, thereby when hoisting the lower frame, make the lower frame keep parallel, avoid the damage of uneven stress of lower frame, improve the stress uniformity of hoist hoisting.

[0015] 2. The utility model discloses a power mechanism is equipped with, and linear motor drives the slide rod to move on the guide, thereby changing the horizontal position of connecting component, is applicable to the lower frame of different length, improved the applicability of hoist.

[0016] 3. The utility model discloses a locking mechanism is equipped with, can be applicable to the mounting hole of the chain wheel mounting seat and guide wheel of lower frame, make the lower frame be fixed more easily by hoist. DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model embodiment one.

[0018] Figure 2 It is the local enlarged structure schematic diagram of the utility model embodiment one.

[0019] Figure 3 It is the connecting component structure schematic diagram of the utility model embodiment one.

[0020] Figure 4 It is the connecting component structure schematic diagram of the utility model embodiment two.

[0021] The figure mark is: 1, support frame, 2, connecting seat, 3, slide rod, 4, electric push rod, 5, clamping plate, 6, positioning hole, 7, slide, 8, U-shaped frame, 9, guide, 10, linear motor, 11, guide rod, 12, perforation, 13, through -hole, 14, bolt, 15, O-shaped pin, 16, L-shaped frame, 17, support plate. SPECIFIC EMBODIMENT

[0022] The technical scheme in the utility model will be described below in connection with the drawings of the utility model, and additionally, the forms of each structure described in the following embodiments are only examples, and the utility model is not limited to each structure described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Embodiment one

[0024] With reference to Figures 1-3 The utility model provides a hoist for excavator lower frame coating, including support frame 1, the top of support frame 1 is welded with connecting seat 2, two slide rods 3 are equipped between the inside wall of both sides of support frame 1, and slide rod 3 moves on support frame 1 through power mechanism, the top of two slide rods 3 all is equipped with perforation 12, the sliding connection of perforation 12 has slide 7, and the both ends of slide 7 are equipped with the connecting assembly connected with lower frame, the top of two slide rods 3 all is equipped with the locking mechanism of the height of slide 7 is fixed, when using, connecting seat 2 is connected with external hoist, then the position of two slide rods 3 is changed through power mechanism, thereby the position of slide 7 is changed, make connecting assembly can be connected with the four corners of lower frame, then use locking mechanism to fix the height of slide 7, start external hoist, thereby drive lower frame horizontal upward movement, because the four corners of lower frame are all fixed, thereby when lower frame hoisting, make lower frame keep parallel, avoid lower frame unevenly damaged, improve the stress uniformity of hoist hoisting.

[0025] Among them, power mechanism includes guide rail 9 fixed through bolt in the inside wall of both sides of support frame 1, the top of guide rail 9 is equipped with linear motor 10 moving on guide rail 9, and linear motor 10 is fixed with slide rod 3, and the inside wall of both sides of support frame 1 is fixed with guide rod 11 through bolt, and guide rod 11 passes through two slide rods 3 and is slidably connected with slide rod 3, and guide rod 11 guides the movement of slide rod 3, and starts linear motor 10, and linear motor 10 drives slide rod 3 to move on guide rail 9, thereby changing the horizontal position of connecting assembly, and is suitable for lower frame of different lengths, and improves the applicability of the hoist.

[0026] Among them, connecting assembly includes U-shaped frame 8 fixed through bolt in the both ends of slide 7, and the both sides of U-shaped frame 8 are equipped with through hole 13, and the other end of bolt pin 14 is inserted with O-shaped pin 15, and the four corners of lower frame are clamped into U-shaped frame 8, then bolt pin 14 passes through through hole 13 and is inserted into the mounting hole of the chain wheel mounting seat and guide wheel of lower frame, and then O-shaped pin 15 is used to fix bolt pin 14, thereby fixing the four corners of lower frame, so that lower frame will not fall off from the hoist, and the installation stability of lower frame is improved.

[0027] The locking mechanism comprises two electric push rods 4 fixed on the top of the slide rod 3 by bolts, the moving end of each of the two electric push rods 4 is fixed with a clamping plate 5 by a bolt, positioning holes 6 are formed on the two sides of the slide frame 7, and one end of the clamping plate 5 can be inserted into the positioning hole 6, after the lower frame is fixed, the electric push rod 4 is started, and the electric push rod 4 pushes one end of the clamping plate 5 into the positioning hole 6, so that the position of the slide frame 7 is fixed, the mounting holes of the chain wheel mounting seat and the guide wheel of the lower frame are generally different in height, thereby being applicable to the mounting holes of the chain wheel mounting seat and the guide wheel of the lower frame, and the lower frame is more easily fixed by the lifting appliance.

[0028] The working principle of the utility model is: when using, the connecting seat 2 is connected with the external hoisting machine, the linear motor 10 is started, the linear motor 10 drives the slide rod 3 to move on the guide rail 9, thereby changing the horizontal position of the connecting assembly, thereby changing the position of the slide frame 7, the four corners of the lower frame are clamped into the U-shaped frame 8, then the pin 14 is used to pass through the through hole 13 and the mounting hole of the chain wheel mounting seat and the guide wheel of the lower frame, and then the O-shaped pin 15 is used to fix the pin 14, thereby fixing the four corners of the lower frame, the electric push rod 4 is started, the electric push rod 4 pushes one end of the clamping plate 5 into the positioning hole 6, thereby fixing the position of the slide frame 7, the external hoisting machine is started, thereby driving the lower frame to move horizontally upwards, since the four corners of the lower frame are fixed, the lower frame keeps parallel when being hoisted, the uneven force of the lower frame is avoided, and the force uniformity of the lifting appliance hoisting is improved.

[0029] Embodiment two

[0030] Refer to Figure 4 The connecting assembly comprises L-shaped frames 16 fixed on the two ends of the slide frame 7 by bolts, the L-shaped frame 16 is rotatably connected with a supporting plate 17 on one side, the top of the supporting plate 17 can be arc-shaped or planar, the arc-shaped structure can better fit the circular surface, the supporting plate 17 is clamped into the mounting hole of the chain wheel mounting seat and the guide wheel of the lower frame, thereby fixing the four corners of the lower frame, the supporting plate 17 can be replaced with different lengths according to requirements, so that the lower frame with different widths can also be hoisted by the lifting appliance, and the applicability of the lifting appliance is further improved.

[0031] The working principle of the utility model is: the supporting plate 17 is clamped into the mounting hole of the chain wheel mounting seat and the guide wheel of the lower frame, thereby fixing the four corners of the lower frame, and different lower frame mounting modes are provided.

[0032] Finally should be explained a few points is: in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0033] The utility model discloses the embodiment of the drawings, only relate to the structure of the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiment of the utility model can be combined with each other.

Claims

1. A lifting device for painting the underframe of an excavator, comprising a support frame (1), wherein a connecting seat (2) is fixedly connected to the top of the support frame (1), characterized in that, Two slide rods (3) are provided between the inner walls of the two sides of the support frame (1), and the slide rods (3) move on the support frame (1) through a power mechanism. The top of each of the two slide rods (3) is provided with a through hole (12), and a slide frame (7) is slidably connected in the through hole (12). Both ends of the slide frame (7) are provided with connecting components that are connected to the lower frame. The top of each of the two slide rods (3) is provided with a locking mechanism to fix the height of the slide frame (7).

2. The lifting tool for painting an excavator underframe according to claim 1, characterized in that, The power mechanism includes guide rails (9) fixedly connected to the inner walls of both sides of the support frame (1). A linear motor (10) that moves on the top of the guide rail (9) is provided, and the linear motor (10) is fixed to the slide rod (3).

3. The lifting tool for painting an excavator underframe according to claim 1, characterized in that, The connecting assembly includes a U-shaped frame (8) fixedly connected to both ends of the slide (7). Both sides of the outer wall of the U-shaped frame (8) are provided with through holes (13). A pin (14) is inserted into the through hole (13), and an O-pin (15) is inserted into the other end of the pin (14).

4. The lifting tool for painting an excavator underframe according to claim 1, characterized in that, The connecting assembly includes an L-shaped frame (16) fixedly connected to both ends of the slide (7), and a support plate (17) is rotatably connected to one side of the L-shaped frame (16).

5. A lifting tool for painting an excavator underframe according to claim 1, characterized in that, The locking mechanism includes two electric push rods (4) fixedly connected to the top of the slide rod (3). The moving ends of the two electric push rods (4) are fixedly connected to the locking plates (5). The slide (7) has positioning holes (6) on both sides, and one end of the locking plate (5) can be inserted into the positioning hole (6).

6. A lifting device for painting an excavator underframe according to claim 1, characterized in that, A guide rod (11) is fixedly connected between the inner walls of both sides of the support frame (1), and the guide rod (11) passes through two slide rods (3) and is slidably connected with the slide rods (3).

7. A lifting device for painting an excavator underframe according to claim 4, characterized in that, The top of the support plate (17) is arc-shaped.

8. A lifting tool for painting an excavator underframe according to claim 4, characterized in that, The top of the support plate (17) is flat.

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