Bucket tooth welding device for excavator
By combining a shaft, wedge block, and electric push rod, the problem of inconsistent height of excavator bucket tooth seats was solved, achieving stability and angle adjustment in bucket tooth welding and improving welding quality.
Patent Information
- Application Number
- CN202520534312.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing welding equipment makes it difficult to maintain a uniform height of the excavator bucket tooth holder, which can easily lead to deviations in angle after welding.
By employing a combination of components such as shafts, wedges, and electric push rods, the height and angle of the gear seat can be precisely adjusted by adjusting the position of the wedges and the extension and retraction of the electric push rods, thus ensuring stability during welding.
It enables the adaptation of various sizes of tooth holders and tooth tips, improves the stability and angular consistency during bucket tooth welding, and enhances the welding quality.
Smart Images

Figure CN223903266U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to excavator technical field, concretely relates to a digging bucket tooth welding device for excavator. BACKGROUND
[0002] The bucket front edge of the excavator is usually provided with a tooth to increase the structural strength of the bucket and the soil breaking efficiency. Once serious wear or tooth breakage occurs, the tooth needs to be replaced. The bucket tooth of the excavator is an important component on the excavator and is also a vulnerable part. It is a combined tooth composed of a tooth base and a tooth tip, and the two are connected by a pin shaft. Since the part of the tooth that is prone to wear and failure is the tooth tip, only the tooth tip needs to be replaced. The tooth base needs to be kept stable during welding.
[0003] The existing welding device usually adopts a clamping method when fixing the tooth base. Due to the irregularity of the shape of the tooth base, the height of the tooth base is difficult to keep uniform. After welding, the angle of the tooth base is prone to deviation. SUMMARY
[0004] To solve the problems raised in the background art, the utility model provides a digging bucket tooth welding device for excavator, which solves the problem that the height of the tooth base is difficult to keep uniform.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a digging bucket tooth welding device for excavator, comprising a tooth base, a tooth tip and a base table, the inside of the base table is rotatably connected with a support shaft, the surface of the support shaft is fixedly connected with a top plate, the upper surface of the base table is fixedly connected with a work seat, the upper surface of the work seat is fixedly connected with a sliding rail, the inside of the sliding rail is slidably installed with a wedge block one, the inside of the sliding rail is rotatably installed with a screw one, the upper surface of the sliding rail is fixedly connected with a guide rod, the inside of the guide rod is slidably connected with a wedge block two, the inside of the wedge block two is rotatably connected with a connecting shaft, the upper surface of the base table is fixedly connected with a shaft rod seat, the inside of the shaft rod seat is inserted with a shaft rod, the top of the shaft rod seat is threadedly installed with a bolt, the upper surface of the base table is fixedly connected with a support frame, the upper surface of the support frame is fixedly connected with a horizontal rail, the inside of the horizontal rail is slidably installed with a sliding seat, the inside of the sliding seat is movably installed with a threaded sleeve, the upper surface of the horizontal rail is fixedly connected with a support seat, the inside of the support seat is fixedly connected with a screw two, the lower surface of the sliding seat is fixedly installed with an electric push rod, and the bottom end of the electric push rod is fixedly connected with a top rod.
[0006] Preferably, one end of the screw one is fixedly connected with a handle, and the screw one is threadedly connected with the wedge block one.
[0007] Preferably, the two ends of the connecting shaft are movably connected with the top plate.
[0008] Preferably, the threaded sleeve is threadedly connected with the screw rod.
[0009] Preferably, the shaft rod seat and the bolt are two groups and are arranged in a horizontal array.
[0010] Preferably, the top rod is vertically located above the tooth seat.
[0011] Preferably, the shaft rod horizontally penetrates the tooth seat and the tooth tip.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The excavator bucket tooth welding device, through the shaft rod which can penetrate the tooth seat and the tooth tip, facilitates that the tooth seats and the tooth tips of the groups are at the same height, the shaft rod can be taken off from the shaft rod seat for replacement, so as to adapt to the tooth seat and tooth tip perforations of various sizes, the wedge block one drives the wedge block two to vertically move along the guide rod by translation, so that the wedge block two drives the top plate to tilt, thereby facilitating the adjustment of the angle of the tooth seat, the sliding seat can be translated by rotating the threaded sleeve on the screw rod two, thereby facilitating the adjustment of the positions of the electric push rod and the top rod, the electric push rod can press down the tooth seat through the top rod, and the stability of the tooth seat during welding is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only some embodiments of the utility model, together with the embodiments of the utility model for explaining the utility model, and do not constitute the limitation to the utility model. In the drawings:
[0015] Figure 1 It is the complete structure schematic diagram of the utility model;
[0016] Figure 2 It is the rear view structure diagram of the utility model;
[0017] Figure 3 It is the utility model Figure 2 The enlarged view of A in the utility model.
[0018] In the drawing: 1, tooth seat; 2, tooth tip; 3, base table; 4, support shaft; 5, top plate; 6, work type seat; 7, sliding rail; 8, shaft rod; 9, wedge block one; 10, screw rod one; 11, guide rod; 12, wedge block two; 13, connecting shaft; 14, shaft rod seat; 15, bolt; 16, support frame; 17, horizontal rail; 18, sliding seat; 19, threaded sleeve; 20, support seat; 21, screw rod two; 22, electric push rod; 23, top rod; 24, handle. DETAILED DESCRIPTION
[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative labor shall fall within the protection scope of the present application.
[0020] Please refer to Figures 1-3 The utility model provides the following technical scheme: a kind of excavator's excavator bucket tooth welding device, including tooth holder 1, tooth tip 2 and bottom table 3, the inside rotation of bottom table 3 is connected with support shaft 4, the surface of support shaft 4 is fixedly connected with top plate 5, the upper surface of bottom table 3 is fixedly connected with work type seat 6, the upper surface of work type seat 6 is fixedly connected with slide rail 7, the inside sliding of slide rail 7 is installed with wedge block one 9, the inside rotation of slide rail 7 is installed with screw rod one 10, the upper surface of slide rail 7 is fixedly connected with guide rod 11, the inside of guide rod 11 is slidably connected with wedge block two 12, the inside rotation of wedge block two 12 is connected with connecting shaft 13, the upper surface of bottom table 3 is fixedly connected with axle rod seat 14, the inside of axle rod seat 14 is inserted with axle rod 8, the top of axle rod seat 14 is threadedly installed with bolt 15, the upper surface of bottom table 3 is fixedly connected with support frame 16, the upper surface of support frame 16 is fixedly connected with horizontal rail 17, the inside sliding of horizontal rail 17 is installed with slide 18, the inside of slide 18 is movably installed with threaded sleeve 19, the upper surface of horizontal rail 17 is fixedly connected with support base 20, the inside of support base 20 is fixedly connected with screw rod two 21, the lower surface of slide 18 is fixedly installed with electric push rod 22, the bottom of electric push rod 22 is fixedly connected with top rod 23.
[0021] In the embodiment, the axle rod 8 can pass through the tooth holder 1 and the tooth tip 2, so that the plurality of groups of tooth holders 1 and tooth tips 2 can be at the same height, the axle rod 8 can be removed from the axle rod seat 14 for replacement, so as to adapt to the perforations of the tooth holders 1 and the tooth tips 2 of various sizes, the wedge block one 9 can drive the wedge block two 12 to move vertically along the guide rod 11 by translation, so that the wedge block two 12 drives the top plate 5 to tilt, thereby facilitating adjustment of the angle of the tooth holder 1, the slide 18 can be translated by rotating the threaded sleeve 19 on the screw rod two 21, thereby facilitating adjustment of the positions of the electric push rod 22 and the top rod 23, the electric push rod 22 can press down the tooth holder 1 through the top rod 23, thereby improving the stability of the tooth holder 1 during welding.
[0022] Specifically, one end of the screw rod one 10 is fixedly connected with a handle 24, which can facilitate manual rotation of the screw rod one 10, and the screw rod one 10 is threadedly connected with the wedge block one 9, which facilitates movement of the wedge block one 9 in the slide rail 7 when the screw rod one 10 is rotated.
[0023] Specific, the two ends of the connecting shaft 13 are movably connected with the top plate 5, so that the wedge block two 12 can drive the top plate 5 to change the angle through the connecting shaft 13.
[0024] Specific, the threaded sleeve 19 is screwed with the screw two 21, and the threaded sleeve 19 can drive the sliding block 18 to translate on the surface of the screw two 21 through rotation.
[0025] Specific, the shaft rod seat 14 and the bolt 15 are arranged in two groups and horizontally, so as to ensure that the shaft rod 8 is horizontal and has good stability.
[0026] Specific, the top rod 23 is vertically located above the tooth seat 1, and the electric push rod 22 can press the tooth seat 1 downward through the top rod 23, which is beneficial to the downward deflection of the tooth seat 1.
[0027] Specific, the shaft rod 8 horizontally penetrates the tooth seat 1 and the tooth tip 2, so that the shaft rod 8 is horizontal, and the shaft rod 8 penetrates the plurality of tooth seats 1 and tooth tips 2, which is beneficial to the same height of the plurality of tooth seats 1 and tooth tips 2.
[0028] The working principle or use process of the utility model is as follows: in use, first, one end of the shaft rod 8 is inserted into the shaft rod seat 14, then the bolt 15 is tightened for fixation, then the tooth seat 1 and the tooth tip 2 are inserted to form a complete tooth, then the tooth is sleeved on the shaft rod 8 and is above the top plate 5, the spacing between the teeth is adjusted by sliding, then the screw one 10 is rotated by manually rotating the handle 24, the screw one 10 drives the wedge block one 9 to translate in the sliding rail 7, the wedge block one 9 translation drives the wedge block two 12 to move upwards along the guide rod 11, so that the wedge block two 12 drives the top plate 5 to tilt through the connecting shaft 13, which is beneficial to lifting the tooth and adjusting the angle of the tooth upwards, then the threaded sleeve 19 is rotated on the screw two 21, the sliding block 18 is translated along the horizontal rail 17, which is beneficial to adjusting the position of the electric push rod 22 and the top rod 23, and the left end is separated, the tooth seat 1 is pressed downward through the top rod 23 by driving the electric push rod 22 to extend downward, which is beneficial to the downward deflection of the tooth and the stability of the tooth seat 1 in welding, wherein, the electric equipment in the device is externally connected to the power supply and is controlled to run and stop through the matched control switch.
[0029] It should be explained finally: the above described is only the preferred embodiment of the present application, and is not used to limit the present application, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the present application, so that the person skilled in the art can well understand and utilize the present application, although the present application is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A digging bucket tooth welding device for excavator, comprising a tooth base (1), a tooth tip (2) and a bottom base (3), the inside of the bottom base (3) is rotatably connected with a supporting shaft (4), characterized in that: The surface of the support shaft (4) is fixedly connected with a top plate (5), the upper surface of the base table (3) is fixedly connected with a work type seat (6), the upper surface of the work type seat (6) is fixedly connected with a sliding rail (7), the inside of the sliding rail (7) is slidably connected with a wedge block one (9), the inside of the sliding rail (7) is rotatably connected with a screw one (10), the upper surface of the sliding rail (7) is fixedly connected with a guide rod (11), the inside of the guide rod (11) is slidably connected with a wedge block two (12), the inside of the wedge block two (12) is rotatably connected with a connecting shaft (13), the upper surface of the base table (3) is fixedly connected with a shaft rod seat (14), the inside of the shaft rod seat (14) is inserted with a shaft rod (8), the top of the shaft rod seat (14) is threadedly connected with a bolt (15), the upper surface of the base table (3) is fixedly connected with a support frame (16), the upper surface of the support frame (16) is fixedly connected with a horizontal rail (17), the inside of the horizontal rail (17) is slidably connected with a sliding seat (18), the inside of the sliding seat (18) is movably connected with a threaded sleeve (19), the upper surface of the horizontal rail (17) is fixedly connected with a support seat (20), the inside of the support seat (20) is fixedly connected with a screw two (21), the lower surface of the sliding seat (18) is fixedly connected with an electric push rod (22), the bottom end of the electric push rod (22) is fixedly connected with a top rod (23).
2. A device for welding a bucket tooth to a bucket of an excavator according to claim 1, characterized in that: One end of the screw one (10) is fixedly connected with a rotating handle (24), and the screw one (10) is threadedly connected with the wedge block one (9).
3. The device as claimed in claim 1, wherein: Both ends of the connecting shaft (13) are movably connected with the top plate (5).
4. The device of claim 1, wherein: The threaded sleeve (19) is threadedly connected with the screw two (21).
5. The device of claim 1, wherein: The shaft rod seat (14) and the bolt (15) are two groups and are arranged in a horizontal array.
6. The device of claim 1, wherein: The top rod (23) is vertically located above the tooth seat (1).
7. The device of claim 1, wherein: The shaft rod (8) horizontally penetrates the tooth seat (1) and the tooth tip (2).