Bucket tooth modification of trenching machine for under-pipe trenching construction

Abstract

The utility model relates to the technical field of under-pipe grooving construction, in particular to modification of bucket teeth of a grooving machine for under-pipe grooving construction, which comprises a grab bucket component, a scraper component is mounted on a bottom plate of the grab bucket component through screws, a fixed pipe component is mounted at the bottom of one side of the grab bucket component, and a mounting pipe component is mounted on the inner wall of the fixed pipe component. A sliding block assembly and a bucket tooth assembly are sequentially installed on the inner wall of the installation pipe assembly from front to back. The grab bucket assembly comprises a grab bucket body, inserting grooves are formed in the front end and the rear end of the bottom of the grab bucket body, and first screw holes are formed in the lower portion of the front end and the lower portion of the rear end of the grab bucket body. The scraper assembly comprises an insertion block connected with the inner wall of the insertion groove in an inserted mode. According to the improved bucket tooth of the trenching machine, the bucket tooth is installed on one side of the grab bucket to form a certain angle, the working range of the grab bucket is enlarged, the working efficiency is improved, meanwhile, the bucket tooth can be detached independently, the damaged bucket tooth can be replaced independently, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of under-pipe troughing construction, in particular to the modification of bucket teeth of a troughing machine used in under-pipe troughing construction. Background Art

[0002] Trench construction under the pipe is a method commonly used for laying underground pipelines, usually used in the construction of urban water supply, drainage, natural gas, electricity and other pipeline networks. When conducting trench construction under the pipe, underground continuous wall construction is required.

[0003] During the construction of underground continuous walls, the two grab buckets of the trenching machine need to be driven to open and close repeatedly to dig the soil to form a trench. Bucket teeth are generally installed on the grab buckets to facilitate digging.

[0004] In the process of realizing the utility model, the inventor found that the prior art had the following problems: 1. The bucket teeth on the existing ordinary grab bucket are generally installed vertically at the bottom of the grab bucket, and the working range of the grab bucket is small, which affects the work efficiency; 2. The bucket teeth on the existing ordinary grab bucket are generally fixedly installed at the bottom of the grab bucket. When a single bucket tooth is damaged, the entire grab bucket may need to be replaced, and the maintenance cost is too high. Utility Model Content

[0005] The purpose of the utility model is to provide a bucket tooth modification for a slotting machine for under-pipe slotting construction, so as to solve the existing common problems raised in the above background technology that the working range of ordinary grab buckets is small and a single damaged bucket tooth cannot be replaced. To achieve the above purpose, the utility model provides the following technical solution: a bucket tooth modification for a slotting machine for under-pipe slotting construction, comprising a grab bucket assembly, a scraper assembly is installed on the bottom plate of the grab bucket assembly through screws, a fixed pipe assembly is installed on the bottom of one side of the grab bucket assembly, a mounting pipe assembly is installed on the inner wall of the fixed pipe assembly, and a slider assembly and a bucket tooth assembly are installed on the inner wall of the mounting pipe assembly in sequence from front to back.

[0006] The grab bucket assembly comprises a grab bucket body, slots are provided at the front and rear ends of the bottom of the grab bucket body, and first screw holes are provided at the front lower part and the rear lower part of the grab bucket body.

[0007] The scraper assembly comprises an insert block which is inserted into the inner wall of the slot, a scraper body is installed at the bottom of the insert block, and a second screw hole is installed at the front end of the insert block.

[0008] The fixed pipe assembly includes a fixed pipe body installed at the bottom of one side of the grab bucket body, a first T-shaped slide groove is opened inside the fixed pipe body, a first plug hole is opened at the front end of the fixed pipe body, and a third screw hole is opened at the top of the fixed pipe body.

[0009] The mounting tube assembly includes a mounting tube body slidably mounted on the inner wall of the first T-shaped slide groove, a second T-shaped slide groove is provided inside the mounting tube body, and a fourth screw hole and a fifth screw hole are provided on the top of the mounting tube body in sequence from front to back.

[0010] The slider assembly includes a first T-shaped slider slidably mounted on the inner wall of the second T-shaped slide groove, the front and rear ends of the first T-shaped slider are both provided with second insertion holes, and the top of the first T-shaped slider is provided with a sixth screw hole.

[0011] The bucket tooth assembly includes a second T-shaped slider slidably mounted on the inner wall of a second T-shaped slide groove, fixed blocks are installed at both front and rear ends of the second T-shaped slider, a seventh screw hole is opened on the top of the second T-shaped slider, and an L-shaped bucket tooth body is installed on one side of the second T-shaped slider.

[0012] Further preferably, the outer dimension structure of the insert block is consistent with the inner dimension structure of the slot, and the first screw hole and the second screw hole are symmetrically distributed about a horizontal center line of the insert block.

[0013] Further preferably, the outer dimension structure of the first T-shaped sliding block is consistent with the inner dimension structure of the second T-shaped sliding groove.

[0014] Further preferably, the outer dimension structure of the second T-shaped sliding block is consistent with the inner dimension structure of the second T-shaped sliding groove.

[0015] Further preferably, the external dimension structure of the fixing block is consistent with the internal dimension structure of the first plug hole and the second plug hole.

[0016] Further preferably, the external dimension structure of the mounting tube body is consistent with the internal dimension structure of the first T-shaped slide groove, and the fifth screw holes are symmetrically distributed about the vertical center line of the mounting tube body.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the utility model, the bucket tooth assembly is used to form an L-shaped bucket tooth body, and the L-shaped bucket tooth body is installed on one side of the grab bucket body, so that the horizontal center line of the L-shaped bucket tooth body and the vertical center line of the grab bucket body form an angle of 90°. When the grab bucket is used, the L-shaped bucket tooth body can increase the working range of the grab bucket, thereby improving the working efficiency of the grab bucket.

[0019] In the utility model, when a single bucket tooth on the grab bucket is damaged, the screws on the fixed pipe assembly are removed, and then the screws on the fifth screw hole are removed to take out the worn bucket tooth assembly, and then a new bucket tooth assembly and a slider assembly are inserted into the second T-shaped slide groove according to needs, and the corresponding screws are installed, and then the installation pipe assembly is inserted into the first T-shaped slide groove, and then the corresponding screws are installed, and the fixed pipe assembly and the installation pipe assembly are installed, so that the single damaged bucket tooth can be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 3 For the utility model Figure 2 A is an enlarged structural diagram;

[0023] Figure 4 This is a schematic diagram of the structure of the grab bucket assembly of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the scraper assembly of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the fixed pipe assembly of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the installation pipe assembly of the utility model;

[0027] Figure 8 This is a schematic diagram of the structure of the slider assembly of the utility model;

[0028] Fig. 9 This is a schematic diagram of the structure of the bucket tooth assembly of the utility model.

[0029] In the figure: 1. grab bucket assembly; 101. grab bucket body; 102. slot; 103. first screw hole; 2. scraper assembly; 201. plug block; 202. scraper body; 203. second screw hole; 3. fixed pipe assembly; 301. fixed pipe body; 302. first T-shaped slide groove; 303. first plug hole; 304. third screw hole; 4. mounting pipe assembly; 401. mounting pipe body; 402. second T-shaped slide groove; 403. fourth screw hole; 404. fifth screw hole; 5. slider assembly; 501. first T-shaped slider; 502. second plug hole; 503. sixth screw hole; 6. bucket tooth assembly; 601. second T-shaped slider; 602. fixed block; 603. seventh screw hole; 604. L-shaped bucket tooth body. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figures 1 to 9 The utility model provides a technical solution: it is used for the modification of bucket teeth of a grooving machine for under-pipe grooving construction, and includes a grab assembly 1, a scraper assembly 2 is installed on the bottom plate of the grab assembly 1 through screws, a fixed pipe assembly 3 is installed on the bottom of one side of the grab assembly 1, a mounting pipe assembly 4 is installed on the inner wall of the fixed pipe assembly 3, and a slider assembly 5 and a bucket tooth assembly 6 are installed on the inner wall of the mounting pipe assembly 4 in sequence from front to back.

[0032] The grab bucket assembly 1 comprises a grab bucket body 101 . Slots 102 are provided at the front and rear ends of the bottom of the grab bucket body 101 . First screw holes 103 are provided at the front lower part and the rear lower part of the grab bucket body 101 .

[0033] The scraper assembly 2 includes an insert block 201 inserted into the inner wall of the slot 102 , a scraper body 202 is installed at the bottom of the insert block 201 , and a second screw hole 203 is installed at the front end of the insert block 201 .

[0034] The fixed pipe assembly 3 includes a fixed pipe body 301 installed on the bottom of one side of the grab bucket body 101, a first T-shaped slide groove 302 is opened inside the fixed pipe body 301, a first plug hole 303 is opened at the front end of the fixed pipe body 301, and a third screw hole 304 is opened on the top of the fixed pipe body 301.

[0035] The mounting tube assembly 4 includes a mounting tube body 401 slidably mounted on the inner wall of the first T-shaped groove 302, a second T-shaped groove 402 is provided inside the mounting tube body 401, and a fourth screw hole 403 and a fifth screw hole 404 are provided on the top of the mounting tube body 401 in sequence from front to back.

[0036] The slider assembly 5 includes a first T-shaped slider 501 slidably mounted on the inner wall of the second T-shaped slide groove 402 . Second insertion holes 502 are provided at both the front and rear ends of the first T-shaped slider 501 . A sixth screw hole 503 is provided at the top of the first T-shaped slider 501 .

[0037] The bucket tooth assembly 6 includes a second T-shaped slider 601 slidably installed on the inner wall of the second T-shaped slide groove 402, and fixed blocks 602 are installed at both the front and rear ends of the second T-shaped slider 601. A seventh screw hole 603 is opened on the top of the second T-shaped slider 601, and an L-shaped bucket tooth body 604 is installed on one side of the second T-shaped slider 601.

[0038] In this embodiment, Figure 4 As shown, the external dimension structure of the plug block 201 is consistent with the internal dimension structure of the slot 102, and the first screw hole 103 and the second screw hole 203 are symmetrically distributed about the horizontal center line of the plug block 201; the plug block 201 is inserted into the slot 102, and the scraper assembly 2 and the grab assembly 1 can be installed, and the scraper assembly 2 and the grab assembly 1 can be fixed by screws. When the grab assembly 1 is in use, the scraper assembly 2 can cut abandoned anchor rods, anchor cables and other anchor bodies in the foundation pit. When the scraper assembly 2 is worn, the scraper assembly 2 can be replaced by removing the screws.

[0039] In this embodiment, Figure 7 and Figure 8 As shown, the external dimension structure of the first T-shaped slider 501 is consistent with the internal dimension structure of the second T-shaped slot 402; when the first T-shaped slider 501 is slidably inserted into the second T-shaped slot 402, the slider assembly 5 and the mounting tube assembly 4 can be stably installed, thereby improving the stability after installation.

[0040] In this embodiment, Figure 7 and Fig. 9 As shown, the external dimension structure of the second T-shaped slider 601 is consistent with the internal dimension structure of the second T-shaped slot 402; when the second T-shaped slider 601 is slidably inserted into the second T-shaped slot 402, the bucket tooth assembly 6 and the mounting pipe assembly 4 can be stably installed, thereby improving the stability after installation.

[0041] In this embodiment, Figure 6 , Figure 8 and Fig. 9 As shown, the external dimension structure of the fixing block 602 is consistent with the internal dimension structure of the first socket 303 and the second socket 502; when the bucket tooth assembly 6 and the slider assembly 5 are docked and installed one by one, the fixing blocks 602 on both sides of the bucket tooth assembly 6 are stably inserted into the corresponding second socket 502 on the slider assembly 5, which can improve the installation stability of the bucket tooth assembly 6 and the slider assembly 5.

[0042] In this embodiment, Figure 6 and Figure 7 As shown, the external dimension structure of the mounting tube body 401 is consistent with the internal dimension structure of the first T-shaped slide groove 302, and the fifth screw holes 404 are symmetrically distributed about the vertical center line of the mounting tube body 401; when the fixed tube assembly 3 and the mounting tube assembly 4 are installed, the mounting tube assembly 4 can be stably inserted into the first T-shaped slide groove 302 of the fixed tube assembly 3, and the fixed tube assembly 3 and the mounting tube assembly 4 can be stably installed.

[0043] The use method and advantages of the utility model: the utility model is used for the modification of bucket teeth of the slotting machine for the under-pipe slotting construction. When in use, the working process is as follows:

[0044] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, first, when the grab bucket is used, the scraper body 202 can cut off the abandoned anchor rods, anchor cables and other anchor bodies in the foundation pit. When the scraper body 202 is worn after long-term use, the screws fixing the scraper assembly 2 and the grab bucket assembly 1 are removed, and the plug block 201 of the new scraper assembly 2 is inserted into the slot 102, and the scraper assembly 2 and the grab bucket assembly 1 are fixed by screws. When a single bucket tooth on the grab bucket is damaged, the screws fixing the fixing pipe assembly 3 and the mounting pipe assembly 4 are removed, and then the fifth screw hole 4 is removed. 04, the slider assembly 5 and the bucket tooth assembly 6 can be pulled out from the second T-shaped slot 402, the worn bucket tooth assembly 6 can be taken out, and the new bucket tooth assembly 6 and the slider assembly 5 can be inserted into the second T-shaped slot 402 as needed, and the corresponding bucket tooth assembly 6 or slider assembly 5 can be installed with the mounting pipe assembly 4 by screws, so that the bucket teeth on the two grab buckets are staggered with each other, and then the mounting pipe assembly 4 can be inserted into the first T-shaped slot 302, and the fixing pipe assembly 3 and the mounting pipe assembly 4 can be quickly installed by screws.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A bucket tooth modification for a trenching machine for trenching under pipe, comprising a grab bucket assembly (1), characterized in that: The bottom plate of the grab bucket assembly (1) is mounted with a scraper assembly (2) by means of screws, a fixed pipe assembly (3) is mounted on the bottom of one side of the grab bucket assembly (1), a mounting pipe assembly (4) is mounted on the inner wall of the fixed pipe assembly (3), and a slider assembly (5) and a bucket tooth assembly (6) are mounted on the inner wall of the mounting pipe assembly (4) in sequence from front to back; The grab bucket assembly (1) comprises a grab bucket body (101), the front and rear ends of the bottom of the grab bucket body (101) are provided with slots (102), and the front lower part and the rear lower part of the grab bucket body (101) are both provided with first screw holes (103); The scraper assembly (2) comprises an insert block (201) inserted into the inner wall of the slot (102), a scraper body (202) is installed at the bottom of the insert block (201), and a second screw hole (203) is installed at the front end of the insert block (201); The fixed pipe assembly (3) comprises a fixed pipe body (301) installed at the bottom of one side of the grab bucket body (101), a first T-shaped slide groove (302) is provided inside the fixed pipe body (301), a first plug hole (303) is provided at the front end of the fixed pipe body (301), and a third screw hole (304) is provided at the top of the fixed pipe body (301); The mounting tube assembly (4) comprises a mounting tube body (401) slidably mounted on the inner wall of the first T-shaped slide groove (302), a second T-shaped slide groove (402) is provided inside the mounting tube body (401), and a fourth screw hole (403) and a fifth screw hole (404) are provided on the top of the mounting tube body (401) in sequence from front to back; The slider assembly (5) comprises a first T-shaped slider (501) slidably mounted on the inner wall of the second T-shaped slide groove (402), the front and rear ends of the first T-shaped slider (501) are both provided with second insertion holes (502), and the top of the first T-shaped slider (501) is provided with a sixth screw hole (503); The bucket tooth assembly (6) comprises a second T-shaped slider (601) slidably mounted on the inner wall of the second T-shaped slide groove (402), a fixing block (602) is mounted on both the front and rear ends of the second T-shaped slider (601), a seventh screw hole (603) is formed on the top of the second T-shaped slider (601), and an L-shaped bucket tooth body (604) is mounted on one side of the second T-shaped slider (601).

2. The modification of bucket teeth for slotting machine used for under-pipe slotting construction according to claim 1 is characterized by: The external dimension structure of the insert block (201) is consistent with the internal dimension structure of the slot (102), and the first screw hole (103) and the second screw hole (203) are symmetrically distributed about the horizontal center line of the insert block (201).

3. The modification of bucket teeth for slotting machine used for under-pipe slotting construction according to claim 1 is characterized by: The external dimension structure of the first T-shaped sliding block (501) is consistent with the internal dimension structure of the second T-shaped sliding groove (402).

4. The modification of bucket teeth for slotting machine used for under-pipe slotting construction according to claim 1 is characterized by: The external dimension structure of the second T-shaped sliding block (601) is consistent with the internal dimension structure of the second T-shaped sliding groove (402).

5. The modification of bucket teeth for slotting machine used for under-pipe slotting construction according to claim 1 is characterized by: The external dimension structure of the fixing block (602) is consistent with the internal dimension structure of the first plug hole (303) and the second plug hole (502).

6. The modification of bucket teeth for slotting machine used for under-pipe slotting construction according to claim 1 is characterized by: The external dimension structure of the mounting tube body (401) is consistent with the internal dimension structure of the first T-shaped slide groove (302), and the fifth screw holes (404) are symmetrically distributed about the vertical center line of the mounting tube body (401).

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