Lever type tube drawing device

Abstract

The utility model provides a lever type tube drawing device which comprises a base, a supporting assembly, a lever assembly and a lock catch assembly. The supporting assembly is arranged on the base; the lever assembly is arranged at the top end of the supporting assembly; the lock catch assembly is detachably connected with the lever assembly through a chain, and the lock catch assembly is suitable for clamping a steel pipe; under the action of external force, the lever assembly swings up and down with the joint of the supporting assembly and the lever assembly as a fulcrum. According to the utility model, by arranging the structure, the pipe drawing operation of the device is more convenient and labor-saving, so that the engineering construction progress is accelerated, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting and pulling devices, in particular to a lever type pipe pulling device. Background Art

[0002] During the civil construction process, it is necessary to frequently grout the pressure grouting pipe. The pressure grouting pipe grouting is to inject cement slurry or chemical slurry into the stratum through the grouting pipe to fill the gaps between soil particles to form a slurry vein with high strength and good waterproof performance. The pressure grouting pipe grouting is usually used in the construction process of foundation reinforcement, tunnel support, slope protection, etc. However, after the grouting is completed, the grouting pipe needs to be pulled out, otherwise it will affect the subsequent construction. However, the existing pipe pulling device is complicated to operate, time-consuming and labor-intensive, which in turn affects the progress and efficiency of the project construction. Utility Model Content

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art that the existing pipe pulling device is complicated to operate during use, which affects the progress and efficiency of engineering construction.

[0004] To this end, the utility model provides a lever-type tube removal device, comprising:

[0005] A base, arranged on the ground;

[0006] A supporting assembly, arranged on the base;

[0007] A lever assembly, arranged at the top end of the support assembly;

[0008] A lock assembly, detachably connected to the lever assembly via a chain, the lock assembly being suitable for clamping a steel pipe;

[0009] Under the action of external force, the lever assembly uses the connection between the support assembly and the lever assembly as a fulcrum to perform an up and down swing operation.

[0010] Optionally, the support assembly comprises:

[0011] A support column, disposed on the base and fixedly connected to the base;

[0012] The reinforcing plate is arranged around the supporting column, and one end of the reinforcing plate is connected to the supporting column, and the other end is connected to the base.

[0013] Optionally, a slot is provided at the top of the support column, and the top of the slot is clamped to the lever assembly via a bolt.

[0014] Optionally, the lever assembly comprises:

[0015] A sleeve, arranged on the support column;

[0016] A pry bar, the pry bar being provided with an insertion end and a handle end, the insertion end being inserted into the sleeve, and the pry bar being moved in the sleeve to adjust the length of the pry bar inserted into the sleeve;

[0017] A hook is arranged at an end of the sleeve away from the pry bar, and the hook is connected to the lock assembly through the chain.

[0018] Optionally, the hook is Y-shaped, and the Y-shaped hook is suitable for increasing the contact area with the chain.

[0019] Optionally, a saw-shaped rack is provided on the sleeve, and the saw-shaped rack is provided with a plurality of saw teeth, and the saw teeth are clamped with the bolts on the slot, and the fulcrum position of the lever assembly is adjusted by moving the clamping position of the saw teeth and the slot.

[0020] Optionally, the locking assembly comprises:

[0021] Fixed plate;

[0022] A first lock buckle, rotatably connected to the fixing plate via a bolt;

[0023] The second lock buckle is rotatably connected to the fixing plate via a bolt, and the second lock buckle is symmetrically arranged with the first lock buckle.

[0024] Optionally, a connecting ring is provided at one end of the first locking buckle and the second locking buckle that is away from each other, and the connecting ring is connected to the chain.

[0025] Optionally, an arc groove is provided at one end of the first locking buckle and the second locking buckle that are close to each other, and the arc groove is suitable for clamping the steel pipe.

[0026] Optionally, a semicircular notch is provided on one side of the base close to the locking assembly, and the semicircular notch is suitable for ensuring an operating space for the tube removal device.

[0027] The technical solution of the utility model has the following advantages:

[0028] 1. The utility model provides a lever-type pipe pulling device, comprising a base, a support assembly, a lever assembly and a locking assembly, wherein the base is arranged on the ground; the support assembly is arranged on the base; the lever assembly is arranged on the top of the support assembly; the locking assembly is detachably connected to the lever assembly through a chain, and the locking assembly is suitable for clamping a steel pipe; under the action of an external force, the lever assembly uses the connection between the support assembly and the lever assembly as a fulcrum to perform an up and down swing operation.

[0029] During the civil construction process, it is necessary to frequently grout the pressure grouting pipe, but after the grouting is completed, the grouting pipe needs to be pulled out, otherwise it will affect the subsequent construction. However, the existing pipe pulling device is complicated to operate, time-consuming and labor-intensive, which in turn affects the progress and efficiency of the project construction. In the embodiment of the utility model, by setting the locking assembly to be inserted into the steel pipe and clamped with the steel pipe, and then driving the lever assembly to move, the steel pipe is pulled out of the ground, so that the pipe pulling operation of the device is more convenient and labor-saving, thereby accelerating the progress of the project construction and improving the construction efficiency. In addition, the device has a simple structure and is easy to disassemble and assemble on site.

[0030] 2. The utility model provides a lever-type tube extraction device, wherein a slot is provided at the top of the support column, a saw-shaped rack is provided on the sleeve, and the saw-shaped rack is provided with a plurality of saw teeth, the saw teeth are engaged with the bolts on the slot, and by moving the engaging position of the saw teeth and the slot, the fulcrum position of the lever assembly can be adjusted so that the insertion position of the locking assembly is perpendicular to the steel pipe, thereby increasing the convenience of the tube extraction device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0033] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model without steel pipes;

[0034] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from another angle;

[0035] Figure 4 This is a schematic diagram of the support assembly structure of the utility model;

[0036] Figure 5 This is a schematic diagram of the structure of the lever assembly of the utility model;

[0037] Figure 6 It is a schematic diagram of the structure of the lock assembly of the utility model.

[0038] Description of the accompanying drawings in the embodiments:

[0039] 1. Base; 2. Support assembly; 3. Lever assembly; 4. Lock assembly; 5. Chain; 100. Steel pipe;

[0040] 11. Semicircular notch;

[0041] 21. Support column; 22. Reinforcement plate; 23. Card slot;

[0042] 31. Sleeve; 32. Pry bar; 33. Hook; 34. Saw-shaped rack;

[0043] 41. Fixing plate; 42. First locking buckle; 43. Second locking buckle; 44. Connecting ring; 45. Arc groove. DETAILED DESCRIPTION

[0044] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0048] Example

[0049] like Figures 1 to 6As shown, this embodiment provides a lever-type pipe pulling device, including a base 1, a support assembly 2, a lever assembly 3 and a locking assembly 4, wherein the base 1 is arranged on the ground; the support assembly 2 is arranged on the base 1; the lever assembly 3 is arranged at the top of the support assembly 2; the locking assembly 4 is detachably connected to the lever assembly 3 through a chain 5, and the locking assembly 4 is suitable for clamping a steel pipe 100; under the action of an external force, the lever assembly 3 uses the connection between the support assembly 2 and the lever assembly 3 as a fulcrum to swing up and down to pull out the steel pipe 100.

[0050] In the embodiment of the utility model, firstly, the fulcrum position of the lever assembly 3 and the support assembly 2 is adjusted, the locking assembly 4 is aligned with the steel pipe 100 in the vertical direction, and then the lever assembly 3 is moved, and the lever assembly 3 is inserted into the steel pipe 100 so that the lever assembly 3 and the steel pipe 100 are engaged, and then the lever assembly 3 is pressed so that the lever assembly 3 drives the chain 5 to move upward, and then drives the locking assembly 4 and the steel pipe 100 to move upward synchronously, and the steel pipe 100 is pulled out from the ground, thereby completing the pulling-out process of the steel pipe 100.

[0051] During the civil construction process, it is necessary to frequently grout the pressure grouting pipe, but after the grouting is completed, the grouting pipe needs to be pulled out, otherwise it will affect the subsequent construction. However, the existing pipe pulling device is complicated to operate, time-consuming and labor-intensive, which in turn affects the progress and efficiency of the project construction. In the embodiment of the utility model, by setting the locking assembly 4 to be inserted into the steel pipe 100 and to be engaged with the steel pipe 100, and then driving the lever assembly 3 to move, the steel pipe 100 is pulled out of the ground, so that the pipe pulling operation of the device is more convenient and labor-saving, thereby accelerating the progress of the project construction and improving the construction efficiency. In addition, the device has a simple structure and is easy to disassemble and assemble on site.

[0052] Furthermore, if Figure 4 As shown, the support assembly 2 includes a support column 21 and a reinforcing plate 22. The support column 21 is arranged on the base 1 and fixedly connected to the base 1; the reinforcing plate 22 is arranged around the support column 21, and one end of the reinforcing plate 22 is connected to the support column 21, and the other end of the reinforcing plate 22 is connected to the base 1. The reinforcing plate 22 is suitable for enhancing the stability of the support column 21. In the embodiment of the utility model, four reinforcing plates 22 are provided. This embodiment only illustrates the number of the reinforcing plates 22 and does not limit it. Those skilled in the art can change the number of the reinforcing plates 22 according to actual conditions, as long as the same technical effect can be achieved.

[0053] Furthermore, a slot 23 is provided at the top of the support column 21, and the top of the slot 23 is engaged with the lever assembly 3 through a bolt. The slot 23 is formed by two adjacent steel plates at the top of the support column 21, and through holes are provided at the top of the two steel plates, and the bolt passes through the through holes to connect with the lever assembly 3.

[0054] Furthermore, if Figure 5 As shown, the lever assembly 3 includes a sleeve 31, a pry bar 32 and a hook 33. The sleeve 31 is arranged on the support column 21; the pry bar 32 is provided with an insertion end and a handle end, and the insertion end is inserted into the sleeve 31. The pry bar 32 moves in the sleeve 31 to adjust the length of the pry bar 32 inserted into the sleeve 31; the hook 33 is arranged at one end of the sleeve 31 away from the pry bar 32, and the hook 33 is connected to the lock assembly 4 through the chain 5. By adjusting the length of the pry bar 32 in the sleeve 31, the handle end can be moved farther away from the fulcrum, thereby making the pipe removal operation more labor-saving. In addition, the arrangement of the sleeve 31 and the pry bar 32 also makes it more convenient to adjust the length of the pry bar 32.

[0055] Furthermore, the hook 33 is Y-shaped, and the Y-shaped hook is suitable for increasing the contact area with the chain 5. By hooking the chain 5 to the Y-shaped hook 33, the force and support of the chain 5 and the hook 33 can be made more uniform, thereby increasing the service life of the chain 5.

[0056] Furthermore, a saw-shaped rack 34 is provided on the sleeve 31, and the saw-shaped rack 34 is provided with a plurality of saw teeth, and the saw teeth are engaged with the bolts on the clamping slot 23, and the fulcrum position of the lever assembly 3 is adjusted by moving the engaging position of the saw teeth with the clamping slot 23. In the embodiment of the utility model, the saw-shaped rack 34 can be provided with different lengths, that is, the saw teeth can be provided with a plurality of saw teeth, and the length of the saw-shaped rack 34 is not limited in this embodiment, and those skilled in the art can change the length of the saw-shaped rack 34 according to actual conditions, as long as the same technical effect can be achieved.

[0057] Furthermore, if Figure 6As shown, the locking assembly 4 includes a fixed plate 41, a first locking catch 42 and a second locking catch 43; the first locking catch 42 is rotatably connected to the fixed plate 41 by bolts; the second locking catch 43 is rotatably connected to the fixed plate 41 by bolts, the second locking catch 43 and the first locking catch 42 are symmetrically arranged, the fixed plate 41 is provided with two, which are respectively arranged on both sides of the first locking catch 42 and the second locking catch 43, the first locking catch 42 and the second locking catch 43 are rotated up and down between the fixed plate 41 by bolts, and the steel pipe 100 can be clamped by rotation.

[0058] Furthermore, a connecting ring 44 is provided at one end of the first lock buckle 42 and the second lock buckle 43 which are away from each other. The connecting ring 44 is connected to one end of the chain 5 , and the hook 33 is connected to the other end of the chain 5 .

[0059] Furthermore, an arc groove 45 is provided at one end of the first lock buckle 42 and the second lock buckle 43 that are close to each other, and the arc groove 45 corresponds to and matches the steel pipe 100, and the arc groove 45 is suitable for clamping the steel pipe 100. In the embodiment of the utility model, the arc groove 45 can be set to different sizes, so as to match steel pipes 100 of different diameters. The size of the arc groove 45 is not limited in this embodiment, and the technicians in this field can change the size of the arc groove 45 according to the actual situation, as long as the same technical effect can be achieved. Of course, the first lock buckle 42 and the second lock buckle 43 of different sizes can also be set, and the steel pipes 100 of different diameters can also be matched by the first lock buckle 42 and the second lock buckle 43 of different sizes.

[0060] Furthermore, if Figure 2 As shown, a semicircular notch 11 is provided on one side of the base 1 close to the locking assembly, and the semicircular notch is suitable for ensuring the operating space of the tube removal device. In the embodiment of the utility model, the size of the semicircular notch 11 can be changed according to actual needs, as long as it can meet the actual needs.

[0061] Furthermore, the handle end of the pry bar 32 is provided with an anti-slip sleeve. Of course, the handle end may also be provided with anti-slip ridges. This embodiment does not limit the anti-slip style of the handle end. Technical personnel in this field may change the anti-slip style of the handle end according to actual conditions as long as the same technical effect can be achieved.

[0062] The specific use process of the lever-type tube removal device provided by the utility model is as follows:

[0063] First, place the base 1 on the ground near the steel pipe 100, move the handle end of the pry bar 32, drive the first lock buckle 42 and the second lock buckle 43 to move, so that the arc groove 45 is located at the top of the steel pipe 100, and then use the fulcrum of the sawtooth rack 34 connected with the card slot 23 to move the handle end of the pry bar 32 upward, so that the arc grooves 45 on the first lock buckle 42 and the second lock buckle 43 are inserted into the middle of the steel pipe 100 and are carded with the steel pipe 100, and at the same time adjust the connection between the sawtooth rack 34 and the card slot 23. The first locking buckle 42 and the second locking buckle 43 are driven to rotate through the chain 5, so that the arc groove 45 clamps the steel pipe 100, and then the locking buckle assembly 4 and the steel pipe 100 are driven to move upward synchronously, and the steel pipe 100 is pulled out from the ground, thereby completing the pulling-out operation of the steel pipe 100.

[0064] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A lever-type tube removal device, characterized in that: include: A base (1) is arranged on the ground; A support assembly (2) arranged on the base (1); A lever assembly (3) is arranged at the top end of the support assembly (2); A locking assembly (4) detachably connected to the lever assembly (3) via a chain (5), wherein the locking assembly (4) is suitable for clamping the steel pipe (100); Under the action of external force, the lever assembly (3) uses the connection between the support assembly (2) and the lever assembly (3) as a fulcrum to perform an up and down swing operation.

2. The lever-type tube removal device according to claim 1, characterized in that: The support assembly (2) comprises: A support column (21) is arranged on the base (1) and is fixedly connected to the base (1); A reinforcing plate (22) is arranged around the supporting column (21), and one end of the reinforcing plate (22) is connected to the supporting column (21), and the other end is connected to the base (1).

3. The lever-type tube removal device according to claim 2, characterized in that: A clamping groove (23) is provided at the top end of the support column (21), and the top end of the clamping groove (23) is clamped with the lever assembly (3) via a bolt.

4. The lever-type tube removal device according to claim 3, characterized in that: The lever assembly (3) comprises: A sleeve (31) is arranged on the support column (21); A pry bar (32), the pry bar (32) being provided with an insertion end and a handle end, the insertion end being inserted into the sleeve (31), and the pry bar (32) being able to adjust the length of the pry bar (32) inserted into the sleeve (31) by moving in the sleeve (31); A hook (33) is arranged at one end of the sleeve (31) away from the pry bar (32), and the hook (33) is connected to the lock assembly (4) through the chain (5).

5. The lever-type tube removal device according to claim 4, characterized in that: The hook (33) is Y-shaped, and the Y-shaped hook (33) is suitable for increasing the contact area for hooking with the chain (5).

6. The lever-type tube removal device according to claim 5, characterized in that: The sleeve (31) is provided with a saw-shaped rack (34), the saw-shaped rack (34) being provided with a plurality of saw teeth, the saw teeth being clamped with the bolts on the clamping slot (23), and the fulcrum position of the lever assembly (3) is adjusted by moving the clamping position of the saw teeth and the clamping slot (23).

7. The lever-type tube removal device according to any one of claims 1 to 6, characterized in that: The locking assembly (4) comprises: Fixed plate (41); A first lock buckle (42) is rotatably connected to the fixing plate (41) via a bolt; The second lock buckle (43) is rotatably connected to the fixing plate (41) via a bolt, and the second lock buckle (43) is symmetrically arranged with the first lock buckle (42).

8. The lever-type tube removal device according to claim 7, characterized in that: A connecting ring (44) is provided at one end of the first locking buckle (42) and the second locking buckle (43) that is away from each other, and the connecting ring (44) is connected to the chain (5).

9. The lever-type tube removal device according to claim 8, characterized in that: An arc-shaped groove (45) is provided at one end of the first locking buckle (42) and the second locking buckle (43) that is close to each other, and the arc-shaped groove (45) is suitable for clamping the steel pipe (100).

10. The lever-type tube removal device according to claim 7, characterized in that: A semicircular notch (11) is provided on one side of the base (1) close to the locking assembly (4), and the semicircular notch (11) is suitable for ensuring the operating space of the tube removal device.

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