Auxiliary tool for pulling out piston of grouting tank

Abstract

The utility model discloses an auxiliary tool for pulling out a piston of a grouting tank, which relates to the technical field of grouting tanks for laboratories and comprises a base, a positioning groove is arranged on the base, the grouting tank is fixedly mounted in the positioning groove, a pull rod is detachably mounted on the piston of the grouting tank, a lifting device is arranged on the base, and the piston of the grouting tank is detachably mounted on the pull rod. The lifting device comprises a lifting driving device and a mounting frame for fixing the lifting driving device, and the top of the pull rod is detachably connected with the lifting driving device. The top of the pull rod is detachably connected with the lifting device, so that when the piston needs to be pulled out, the pull rod is fixed to the top of the piston, then the pull rod is connected with the lifting device, the pull rod is driven to ascend and descend through the lifting device, the piston is pulled out of the grouting tank, and when the piston is installed, the piston is pressed into the grouting tank in the same mode. Therefore, manpower is liberated, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting tanks for laboratories, in particular to an auxiliary tool for pulling out a piston of a grouting tank. Background Art

[0002] In the laboratory concrete grouting experiment, a grouting tank is needed, such as the Chinese patent CN211043058U, a laboratory seepage-pressure coupling environment grouting tank. After the grouting tank is used, it needs to be cleaned. The existing cleaning method is to manually extend the pull rod from the top of the grouting tank into the grouting tank, and then tighten it on the piston, pull the pull rod out by manpower, and then clean it. After the cleaning is completed, the piston is pressed back into the grouting tank by manpower; because the process of pulling out and pressing the piston back is not assisted by water pressure, it depends purely on manpower, which is very difficult. It often requires two or three people to work together to complete the operation. The labor intensity is high and the operation is very difficult. Utility Model Content

[0003] The utility model aims to provide a grouting tank piston pulling out auxiliary tooling, by arranging the grouting tank piston pulling out auxiliary tooling, thereby reducing manual labor intensity and reducing experimental difficulty.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a grouting tank piston extraction auxiliary tooling, including a base, the base is provided with a positioning groove, the grouting tank is fixedly installed in the positioning groove, the piston of the grouting tank is detachably provided with a pull rod, the base is provided with a lifting device, the lifting device includes a lifting drive device and a mounting frame for fixing the lifting drive device, and the top of the pull rod is detachably connected to the lifting drive device.

[0005] After adopting the above structure, the top of the pull rod is detachably connected to the lifting device, so that when the piston needs to be pulled out, the pull rod is fixed to the top of the piston, and then the pull rod is connected to the lifting device. The lifting device drives the pull rod to rise and fall, so that the piston is pulled out of the grouting tank. When installing the piston, the same method is used to press the piston into the grouting tank, thereby freeing up manpower and reducing the intensity of manual labor.

[0006] In order to facilitate the connection between the mounting flange and the fixing flange, a mounting flange is rotatably mounted on the output shaft of the lifting drive device, a fixing flange is fixed on the top of the pull rod, and the mounting flange and the fixing flange are fixed by flange bolts.

[0007] In order to achieve the avoidance of the lifting device, a rotating mechanism is also provided on the base, the lifting device is fixed on the rotating mechanism, the rotating mechanism includes a fixed seat fixed on the base and a column rotatably mounted on the fixed seat, and the mounting frame is fixed on the column.

[0008] In order to facilitate the positioning of the column, a positioning device is provided between the fixing seat and the column. The positioning device comprises a positioning hole provided on the fixing seat and a positioning pin provided on the bottom of the column. The positioning pin can be inserted into the positioning hole.

[0009] In order to facilitate the pushing and turning of the column, a handle is provided on the column for conveniently pushing the column to turn.

[0010] In order to facilitate the limiting of the column and prevent the column from shaking, two positioning holes are provided, and the two positioning holes are arranged at a certain angle.

[0011] In order to facilitate the storage of the pull rod and prevent it from being lost or used unchanged, a fixing ring is provided on the column, and the pull rod can be inserted into the fixing ring.

[0012] After adopting the above technical solution, the beneficial effects of the utility model are:

[0013] The utility model discloses an auxiliary tool for pulling out the piston of a grouting tank, which solves the technical problems of high labor intensity and difficult operation in pulling out the piston of the grouting tank. The utility model connects the top of the pull rod with the lifting device detachably, so that when the piston needs to be pulled out, the pull rod is fixed to the top of the piston, and then the pull rod is connected to the lifting device. The lifting device drives the lifting of the pull rod, so that the piston is pulled out of the grouting tank. When installing the piston, the same method is adopted to press the piston into the grouting tank, thereby freeing up manpower and reducing the labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the second working position of a grouting tank piston extraction auxiliary tooling of the utility model;

[0015] Figure 2 yes Figure 1 Schematic diagram of the structure of the first working position.

[0016] In the figure, 1. base, 11. positioning groove, 2. grouting tank, 21. piston, 3. pull rod, 31. fixing flange, 4. lifting device, 41. lifting drive device, 411. mounting flange, 42. mounting frame, 421. fixing frame, 422. sliding frame, 423. guide rod, 5. rotating mechanism, 51. fixing seat, 52. column, 53. handle, 54. fixing ring, 6. positioning pin. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] The orientations mentioned in this specification are based on the orientations of the auxiliary tooling for extracting the piston of a grouting tank of the utility model during normal operation, and do not limit the orientations during storage and transportation. They only represent relative positional relationships, not absolute positional relationships.

[0019] Embodiment 1:

[0020] like Figure 1 and Figure 2 As shown together, a grouting tank piston extraction auxiliary tooling includes a base 1, a positioning groove 11 is provided on the base 1, and a grouting tank 2 is fixedly installed in the positioning groove 11. By setting the positioning groove 11, the grouting tank 2 is limited to ensure that the relative position of the subsequent lifting device 4 and the grouting tank 2 is stable.

[0021] A piston 21 is arranged in the inner cylinder of the grouting tank 2, and the piston 21 can slide up and down inside the grouting tank 2. A mounting boss is arranged on the top of the piston 21, and a threaded hole is arranged on the mounting boss. During the normal grouting process, a plunger is installed in the threaded hole or a protective cover is buckled on the mounting boss, so as to effectively protect the threaded hole of the piston 21 and avoid blockage.

[0022] The piston 21 is detachably mounted with a pull rod 3 , and a threaded column is provided at the bottom of the pull rod 3 . The threaded column at the bottom of the pull rod 3 is inserted into the threaded hole of the piston 21 and tightened, so that the pull rod 3 and the piston 21 are detachably mounted.

[0023] The base 1 is provided with a lifting device 4, which includes a lifting drive device 41 and a mounting frame 42 for fixing the lifting drive device 41, and the mounting frame 42 includes a fixed frame 421 and a sliding frame 422 slidably mounted on the fixed frame 421, and a plurality of guide rods 423 are provided between the fixed frame 421 and the sliding frame 422. The output shaft of the lifting drive device 41 is fixed on the sliding frame 422, and the sliding frame 422 is driven to slide up and down by the lifting drive device 41. The lifting drive device 41 can adopt an electric cylinder, an electric push rod or other driving structures, which is not limited in this embodiment.

[0024] The top of the pull rod 3 is detachably fixed on the sliding frame 422, and the detachable connection method can be a claw or a connecting sleeve structure. The connection method of this embodiment is: a mounting flange 411 is installed on the output shaft of the lifting drive device 41, and a fixing flange 31 is fixed on the top of the pull rod 3. The mounting flange 411 and the fixing flange 31 are fixed by flange bolts, thereby realizing a detachable connection. Because the pull rod 3 is rotatably mounted on the piston 21, in order to facilitate the connection between the mounting flange 411 and the fixing flange 31, the mounting flange 411 is rotatably mounted on the output shaft of the lifting drive device 41, thereby facilitating the docking of the mounting flange 411 with the flange hole of the fixing flange 31. The lifting and lowering of the pull rod 3 is controlled by the lifting and lowering of the lifting device 4, so as to realize the pulling out or pressing down of the piston 21.

[0025] Embodiment 2:

[0026] In order to achieve the avoidance of the lifting device 4, a rotating mechanism 5 is also provided on the base 1. The rotating mechanism 5 includes a fixed seat 51 fixed on the base 1 and a column 52 rotatably installed on the fixed seat 51. The column 52 rotates with the fixed seat 51 through a bearing. The mounting frame 42 is fixed on the top of the column 52 and can rotate with the column 52.

[0027] In order to facilitate the rotation of the column 52, a handle 53 is provided on the column 52 for conveniently pushing the column 52 to rotate. By rotating the handle 53, the column 52 can be driven to rotate.

[0028] In order to facilitate the positioning of the column 52, a positioning device is provided between the fixed seat 51 and the column 52. The positioning device includes a positioning hole provided on the fixed seat 51 and a positioning pin 6 provided on the bottom of the column 52. When the column 52 is rotated so that the pull rod 3 can be fixed to the lifting device 4, the positioning pin 6 can be inserted into the positioning hole. In this embodiment, in order to enable the column 52 to stay in two working positions, two positioning holes are provided, and the two positioning holes are arranged at a certain angle. One of the positioning holes locks the column 52 in the first working position. At this time, the output shaft of the lifting drive device 41 is located directly above the piston 21, and the piston 21 can be fixed on the output shaft of the lifting drive device 41, so that the rotating mechanism 5 can be accurately and stably positioned to ensure the smooth extraction or downward pressing of the piston 21; and the second working position is an avoidance working position, that is, to avoid the top of the grouting tank 2.

[0029] In order to facilitate the storage of the pull rod 3 when not in use, a fixing ring 54 is provided on the column 52 , and the pull rod 3 can be inserted into the fixing ring 54 .

[0030] like Figure 1 and Figure 2 As shown together, the operation process of a grouting tank piston extraction auxiliary tooling in this embodiment is as follows:

[0031] Piston removal process:

[0032] After grouting is completed, the top cover of the grouting tank 2 is removed, the plunger or protective cover on the top of the piston 21 is removed, the pull rod 3 is extended into the grouting tank 2, and is tightened on the top of the piston 21; then the positioning pin 6 is taken out, and the handle 53 is turned to change the column 52 from the second working position to the first working position, and the positioning pin 6 is reinserted; then the height of the output shaft of the lifting drive device 41 is controlled so that the mounting flange 411 at its bottom is docked with the fixing flange 31 of the pull rod 3, and then fixedly connected by flange bolts, and then the piston 21 is pulled out by controlling the rise of the lifting drive device 41.

[0033] Piston installation process:

[0034] After the grouting tank 2 and the piston 21 are cleaned, the piston 21 is installed on the pull rod 3, and the pull rod 3 continues to be installed on the mounting flange 411. At this time, the column 52 is still kept in the first working position; the output shaft of the lifting drive device 41 is controlled to press down, and the piston 21 is pressed into the grouting tank 2, and then the flange bolts are opened in turn, and the handle 53 is turned to change the column 52 from the first working position to the second working position; then the pull rod 3 is removed and the plunger or protective cover is installed to complete the installation of the piston 21.

[0035] The utility model discloses an auxiliary tool for pulling out the piston of a grouting tank, which solves the technical problems of high labor intensity and difficult operation in pulling out the piston of the grouting tank. The utility model connects the top of the pull rod with the lifting device detachably, so that when the piston needs to be pulled out, the pull rod is fixed to the top of the piston, and then the pull rod is connected to the lifting device. The lifting device drives the lifting of the pull rod, so that the piston is pulled out of the grouting tank. When installing the piston, the same method is adopted to press the piston into the grouting tank, thereby freeing up manpower and reducing the labor intensity.

[0036] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A grouting tank piston extraction auxiliary tool, characterized in that: It includes a base, the base is provided with a positioning groove, a grouting tank is fixedly installed in the positioning groove, a pull rod is detachably installed on the piston of the grouting tank, a lifting device is provided on the base, the lifting device includes a lifting drive device and a mounting frame for fixing the lifting drive device, and the top of the pull rod is detachably connected to the lifting drive device.

2. The auxiliary tool for extracting the piston of a grouting tank according to claim 1, characterized in that: A mounting flange is rotatably mounted on the output shaft of the lifting drive device, a fixing flange is fixed on the top of the pull rod, and the mounting flange and the fixing flange are fixed by flange bolts.

3. The auxiliary tool for extracting the piston of a grouting tank according to claim 1, characterized in that: The base is also provided with a rotating mechanism, the lifting device is fixed on the rotating mechanism, the rotating mechanism comprises a fixing seat fixed on the base and a column rotatably mounted on the fixing seat, and the mounting frame is fixed on the column.

4. The auxiliary tool for extracting the piston of a grouting tank according to claim 3, characterized in that: The column is provided with a handle for conveniently pushing the column to rotate.

5. The auxiliary tool for extracting the piston of a grouting tank according to claim 3, characterized in that: A positioning device is arranged between the fixing seat and the column. The positioning device comprises a positioning hole arranged on the fixing seat and a positioning pin arranged on the bottom of the column. The positioning pin can be inserted into the positioning hole.

6. The auxiliary tool for extracting the piston of a grouting tank according to claim 5, characterized in that: There are two positioning holes, and the two positioning holes are arranged at a certain angle.

7. The auxiliary tool for extracting the piston of a grouting tank according to claim 3, characterized in that: The column is provided with a fixing ring, and the pull rod can be inserted into the fixing ring.

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