Electric torque device for assembling piston rod

Abstract

The utility model discloses an electric torque device for assembling a piston rod. The electric torque device comprises a rack, two supporting frames, a clamping device and a torque tool. The rack is composed of a plurality of supporting legs and a supporting plate located on the supporting legs. The two supporting frames are arranged on the supporting plate side by side and can linearly slide in the length direction of the supporting plate. The clamping device is installed on the supporting plate, located on the outer side of one supporting frame and used for clamping and fixing the piston rods located on the two supporting frames. The torque tool is arranged on the supporting plate and located on the outer side of the other supporting frame, the torque tool can transversely slide in the length direction of the supporting plate, the torque tool connects the electric torque gun and the piston rod nut together, and constant force torque is conducted on the piston rod nut through the electric torque gun. According to the technical scheme disclosed by the utility model, the torque operation of the piston rod can be completed only by loading and unloading, so that the working efficiency is improved, and the equipment safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a piston rod assembly electric torque device belongs to piston rod assembly technical field. BACKGROUND

[0002] Traditional torque is operated manually, and the work efficiency is low, and in the working process, it is unstable, and the piston rod shakes back and forth, which has safety hazards. In actual work, manual operation is often required, when the nut torque reaches a certain force, manual tightening is not possible, and only torque gun operation is available, which will result in frequent manual operation, affect work progress and increase labor costs. SUMMARY

[0003] According to the deficiencies of the prior art, the utility model provides a piston rod assembly electric torque device, and people only need to complete the torque operation of the piston rod by feeding and discharging, improve work efficiency and increase equipment safety.

[0004] The utility model realizes the following technical scheme:

[0005] A piston rod assembly electric torque device comprises:

[0006] A rack is composed of a plurality of legs and support plates located on the legs;

[0007] Two support frames are arranged side by side on the support plate and can slide linearly along the length direction of the support plate, and the different lengths of the piston rod are supported by adjusting the spacing between the two support frames;

[0008] A clamping device is installed on the support plate and located outside one of the support frames, and is used for clamping and fixing the piston rod located on the two support frames;

[0009] A torque tool is arranged on the support plate and located outside the other support frame, the torque tool can slide transversely along the length direction of the support plate, and the torque tool connects the electric torque gun and the piston rod nut together, and the electric torque gun is used for fixed torque on the piston rod nut.

[0010] In some embodiments, two parallel arranged guide rails are arranged on the support plate, and a sliding block is installed on the bottom surface of the support frame and the torque tool, and the sliding block is slidably connected to the guide rail.

[0011] In some embodiments, the support frame comprises:

[0012] A lower layer plate is slidably supported on the support plate;

[0013] An upper layer plate is arranged directly above the lower layer plate;

[0014] A roller assembly is installed on the upper plate to provide rolling support for the piston rod.

[0015] A guide component and a lifting component are installed between the lower plate and the upper plate. The lifting component is used to adjust the distance between the upper plate and the lower plate to support piston rods of different diameters. The upper plate is linearly guided by the guide component during lifting.

[0016] In some embodiments, the lifting component comprises:

[0017] A threaded rod is fixed to the top surface of the center area of the upper plate and extends vertically downward through a through hole in the lower plate.

[0018] A rotating operation disc is composed of a nut and a plurality of handles fixed to the outer circumferential surface of the nut and arranged at intervals along the circumference. The nut is screwed onto the threaded rod. The handles are used to rotate the nut. The circumferential rotation of the nut is converted into the axial linear motion of the threaded rod under the action of the internal and external threads, which in turn drives the upper plate to lift.

[0019] In some embodiments, the guide component is composed of a sleeve fixed to the lower plate and a guide rod inserted into the sleeve and fixed to the upper plate.

[0020] In some embodiments, the roller assembly is composed of two oppositely arranged mounting seats fixed to the upper plate and a roller rotatably supported between the two mounting seats. The middle area of the roller is provided with a ring of V-shaped grooves, and the piston rod is placed in the V-shaped grooves for centering and positioning.

[0021] In some embodiments, the clamping device comprises:

[0022] A protective frame with an overall n-shaped structure is fixed to the support plate.

[0023] A lead screw with one half of the area right-handed and the other half left-handed. The two transverse ends of the lead screw are rotatably supported at the lower area of the two side plates of the protective frame, and are rotated by a hand crank connected to the lead screw.

[0024] Two sliders, one of which is threadedly connected to the right-handed thread area of the lead screw, and the other of which is threadedly connected to the left-handed thread area of the lead screw.

[0025] Two oppositely arranged clamping plates are respectively fixed to the corresponding sliders. The rotated lead screw drives the two clamping plates to move towards or away from each other, thereby clamping or releasing the piston rod.

[0026] In some embodiments, the upper regions of the two side plates and the two clamping plates of the protective frame are provided with coaxially arranged through holes, and a slide rod is fixed on the two side plates after penetrating through the coaxially arranged through holes, for linearly guiding the two side plates.

[0027] In some embodiments, the torque tool comprises:

[0028] The support is in an overall L-shaped structure, and a bottom plate thereof is slidingly supported on the support plate.

[0029] A torque head is mounted on the vertical plate of the support, an inner side end of the torque head is aligned with the piston rod nut, and an outer side end of the torque head is connected with a rotating shaft of the electric torque gun fixed on the vertical plate.

[0030] A torque machine box body is mounted on the rack and electrically connected with the torque head, for setting a torque value for the electric torque gun.

[0031] In some embodiments, the rack comprises four supporting legs respectively located at four corners of the support plate, and the strength of the rack is increased by mounting a cross beam between two supporting legs.

[0032] The utility model discloses beneficial effects:

[0033] The utility model provides a piston rod assembly electric torque device, can complete piston rod torque operation through torque gun, can avoid the non - standard of artificial operation, realize the fixation of one end of piston rod through hand - operated wheel fastening device, replace the worker and hold piston rod, improve work efficiency and safety greatly. The device is suitable for most general piston rod, according to the basic structure and appearance of torque machine, design is more convenient to observe the tightening position, ensures safety, reliable. Through torque gun, torque force can be adjusted according to different needs, according to the diameter of piston rod, the height of central frame can be adjusted, realizes the torque work of different diameter piston rod. BRIEF DESCRIPTION OF DRAWINGS

[0034] The accompanying drawings, which are part of the specification, illustrate further aspects of the present utility model, and together with the detailed description serve to explain the principles of the present utility model. The only difference between the drawings described below and other drawings is that the drawings described below are some embodiments, and other drawings can be obtained by those skilled in the art without creative labor.

[0035] In the drawings:

[0036] Figure 1 It is a structure schematic view of the piston rod assembly electric torque device of the utility model;

[0037] Figure 2The utility model discloses a support frame's structural schematic diagram.

[0038] The drawing mark is: 1 - rack, 2 - hand wheel, 3 - sliding block, 4 - screw rod, 5 - protection frame, 6 - slide rod, 7 - clamping plate, 8 - lifting part, 9 - guide rail, 10 - torque machine box, 11 - support frame, 12 - torque head, 13 - electric torque gun, 14 - support;

[0039] 111 - lower layer board, 112 - upper layer board, 113 - mounting seat, 114 - cylinder, 115 - sliding block, 116 - threaded rod, 117 - rotary operation disc, 118 - sleeve, 119 - guide rod.

[0040] It needs to be explained that these drawings and literal descriptions do not aim at limiting the concept range of the utility model in any way, but illustrate the concept of the utility model for the person skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0041] To make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the embodiment will be clearly and completely described below by combining with the drawings in the utility model embodiment, and the following embodiment is used to illustrate the utility model, but not to limit the range of the utility model.

[0042] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation to the utility model.

[0043] In the description of the utility model, it needs to be explained that unless another explicit provision and limitation, the terms "mounting", "connecting", "connection" should be understood in broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, or electrical connection, can be directly connected, or indirectly connected through intermediate medium. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0044] For example, Figure 1As shown in the figure, a piston rod assembly electric torque device comprises a rack 1, two support frames 11, a clamping device and a torque tool; the rack 1 is composed of multiple supporting legs and supporting plates on the supporting legs; the two support frames 11 are arranged side by side on the supporting plate and can slide linearly along the length direction of the supporting plate, and different length piston rods are supported by adjusting the distance between the two support frames 11; the clamping device is installed on the supporting plate and outside one of the support frames 11, and is used for clamping and fixing the piston rods on the two support frames 11; the torque tool is arranged on the supporting plate and outside the other support frame 11, and can slide transversely along the length direction of the supporting plate; the torque tool connects the electric torque gun 13 and the piston rod nut together, and the electric torque gun 13 is used to apply constant torque to the piston rod nut.

[0045] Continuing to refer to Figure 1 As shown in the figure, two parallel guide rails 9 are arranged on the supporting plate, and sliding blocks 115 are installed on the bottom surface of the support frame 11 and the bottom surface of the torque tool, and the sliding blocks 115 are slidingly connected to the guide rails 9.

[0046] The specific structure of the support frame is further described below.

[0047] As shown in the figure, Figure 2 The support frame 11 comprises a lower layer plate 111, an upper layer plate 112, a roller assembly, a guide component and a lifting component; the lower layer plate 111 is slidingly supported on the supporting plate; the upper layer plate 112 is arranged directly above the lower layer plate 111; the roller assembly is installed on the upper layer plate 112 and is used to rollingly support the piston rod; the guide component and the lifting component are installed between the lower layer plate 111 and the upper layer plate 112, and the distance between the upper layer plate 112 and the lower layer plate 111 is adjusted by the lifting component to support piston rods of different diameters, and the upper layer plate 112 is linearly guided by the guide component during lifting.

[0048] Further solutions, as shown in the figure, Figure 2 The lifting component comprises a threaded rod 116 and a rotating operation disc 117; the top surface of the threaded rod 116 is fixed to the center area of the bottom surface of the upper layer plate 112 and vertically extends downward through the through hole in the lower layer plate 111; the rotating operation disc 117 is composed of a nut and multiple handles fixed to the outer circumferential surface of the nut and arranged at intervals along the circumferential direction; the nut is screwed on the threaded rod, and the circumferential rotation of the nut is converted into the axial linear motion of the threaded rod by the inner and outer threads, thereby driving the upper layer plate 112 to lift.

[0049] Further solutions, as shown in the figure, Figure 2 The guide component is composed of a sleeve 118 fixed to the lower layer plate 111 and a guide rod 119 penetrating into the sleeve and fixed to the upper layer plate 112.

[0050] Further options, such as Figure 2 As shown, the roller assembly consists of two oppositely arranged mounting seats 113 fixed on the upper plate 112 and a roller 114 rotatably supported between the two mounting seats 113; a V-shaped groove is provided in the middle area of ​​the roller 114, and the piston rod is placed in the V-shaped groove for centering and positioning.

[0051] The following provides a further explanation of the specific structure of the clamping device described above.

[0052] like Figure 1 As shown, the clamping device includes a protective frame 5 with an overall n-shaped structure, a lead screw 4, two sliders 3, and two opposing clamping plates 7. The protective frame 5 is fixed to a support plate. Half of the lead screw 4 has a right-hand thread, and the other half has a left-hand thread. The two lateral ends of the lead screw 4 are rotatably supported at the lower part of the two side plates of the protective frame 5 and are rotated by a hand crank 2 connected to the lead screw 4. One slider 3 is threaded to the right-hand thread area of ​​the lead screw 4, and the other slider 3 is threaded to the left-hand thread area of ​​the lead screw 4. The two opposing clamping plates 7 are fixed to the corresponding sliders 3. After rotation, the lead screw 4 drives the two clamping plates 7 to move towards or away from each other, thereby clamping or releasing the piston rod.

[0053] Further options, such as Figure 1 As shown, the upper regions of the two side plates and the two clamping plates 7 of the protective frame 5 are each provided with a coaxially arranged through hole. The slide rod 6 passes through the coaxially arranged through hole and is fixed to the two side plates for linear guidance of the moving two side plates.

[0054] The following provides a further explanation of the specific structure of the torque fixture described above.

[0055] like Figure 1 As shown, the torque fixture includes an L-shaped support 14, a torque head 12, and a torque housing 10. The base plate of the support 14 is slidably supported on the support plate. The torque head 12 is mounted on the upright plate of the support 14, with the inner end of the torque head 12 aligned with the piston rod nut, and the outer end of the torque head 12 connected to the rotating shaft of the electric torque gun 13 fixed on the upright plate. The torque housing 10 is mounted on the stand 1 and electrically connected to the torque head 12, used to set the torque value of the electric torque gun 13.

[0056] Further options, such as Figure 1 As shown, the platform 1 includes four legs, which are located at the four corners of the support plate, and the strength of the platform 1 is increased by installing a crossbeam between two legs.

[0057] In use, according to the piston rod diameter, the height of the front and rear two rollers is adjusted, and then the other end of the piston rod is fixed through the clamping plate, the two ends of the torque tool are connected with the torque gun and the piston rod respectively, the torque head is driven by the electric torque gun, the piston rod is tightened, the torque value is set through the torque machine box body, the electric torque gun works to reach the torque force; when the piston rod diameter is too large or too small, the manual lifting part can be used for adjusting the lifting or lowering to meet the torque operation of the piston rod with different diameters, the safety of the personnel can be ensured during the tightening process, the workpiece part is prevented from moving, the labor of the workers is reduced, and the tightening position is avoided when the workers tighten manually. The structure is simple, can be applied to most small piston rods, improves the work efficiency, and increases the safety.

[0058] In conclusion, the electric torque device for piston rod assembly can complete the torque operation of the piston rod through the torque gun, and the non-standard operation of manual operation can be avoided; the fixation of one end of the piston rod is realized through the hand wheel tightening device, the workers hold the piston rod, the work efficiency and safety are greatly improved. The device is suitable for most general piston rods, according to the basic structure and appearance of the torque machine, the tightening position is more convenient to observe, safety and reliability are ensured. The torque force can be adjusted according to different needs through the torque gun, the height of the center frame can be adjusted according to the diameter of the piston rod, and the torque work on the piston rod with different diameters is realized.

[0059] In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the present specification.

[0060] In addition, those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments but not others, the combination of features of different embodiments also means to be within the protection scope of the present application and form different embodiments. For example, in the above embodiments, those skilled in the art can use in a combined manner according to the known technical solutions and the technical problems to be solved by the present application.

[0061] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, although the present application has been disclosed as above with a preferred embodiment, however, it is not intended to limit the present application, any skilled person in the art can make some changes or modifications within the scope of the technical solutions of the present application by using the technical content prompted above to make equivalent embodiments with equivalent changes, but as long as it does not deviate from the content of the technical solutions of the present application, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application, all still belong to the scope of the present application.

Claims

1. A piston rod assembly electric torque device, characterized in that, The utility model relates to a kind of piston rod assembly electric torque device, including: Gantry, by multiple supporting legs and support plate located on supporting leg are made of; Two support frames, arranged side by side on the support plate, and can be linearly slid along the length direction of support plate, by adjusting the spacing between two support frames to support different length piston rods; Clamping device, installed on the support plate and located outside one of support frames, for clamping and fixing piston rod located on two support frames; Torque tool, arranged on the support plate and located outside another support frame, the torque tool can be transversely slid along the length direction of support plate, the torque tool connects electric torque gun with piston rod nut, and the piston rod nut is fixed force torque by electric torque gun.

2. The piston rod assembly electric torque device according to claim 1, wherein: Two parallel arranged guide rails are provided on the support plate, and sliding blocks are mounted on the bottom surface of the support frame and the torque tool, and the sliding blocks are slidably connected to the guide rails.

3. A piston rod assembly electric torque device according to claim 1, characterized in that The support frame includes: Lower layer plate, slidably supported on the support plate; Upper layer plate, arranged directly above the lower layer plate; Roller assembly, mounted on the upper layer plate, for rollably supporting the piston rod; Guide member and lifting member, mounted between the lower layer plate and the upper layer plate, the spacing between the upper layer plate and the lower layer plate is adjusted by the lifting member to support piston rods of different diameters, and the upper layer plate is linearly guided by the guide member during lifting.

4. A piston rod assembly electric torque device according to claim 3, characterized in that The lifting member includes: Threaded rod, top surface fixed to the center area of the bottom surface of the upper layer plate and vertically downwardly extending through the through hole in the lower layer plate; Rotary operating disc, composed of a nut and a plurality of handles fixed to the outer circumferential surface of the nut and arranged at intervals along the circumference, the nut is screwed on the threaded rod, the nut is rotated by the handles, and the circumferential rotation of the nut is converted into the axial linear motion of the threaded rod under the action of internal and external threads, thereby driving the upper layer plate to lift.

5. The piston rod assembly electric torque device according to claim 3, wherein: The guide member is composed of a sleeve fixed to the lower layer plate and a guide rod inserted into the sleeve and fixed to the upper layer plate.

6. The piston rod assembly electric torque device according to claim 3, wherein: The roller assembly is composed of two oppositely arranged mounting seats fixed to the upper layer plate and a roller rotatably supported between the two mounting seats; The middle part of the roller is provided with a ring of V-shaped grooves, and the piston rod is placed in the V-shaped grooves for centering and positioning.

7. A piston rod assembly electric torque device according to claim 1, characterized in that The clamping device includes: Protective frame with an overall n-shaped structure, fixed to the support plate; Lead screw, one half of which is right-handed thread and the other half of which is left-handed thread, the two transverse ends of the lead screw are rotatably supported at the lower part of the two side plates of the protective frame, and the lead screw is rotated by a hand crank connected thereto; Two sliding blocks, one of which is threadedly connected to the right-handed thread region of the lead screw and the other of which is threadedly connected to the left-handed thread region of the lead screw. Two opposite clamps are fixed on the corresponding sliders, and the two clamps move towards or away from each other after the rotation of the screw rod, so as to clamp or loosen the piston rod.

8. The piston rod assembly electric torque device according to claim 7, characterized in that: The upper regions of the two side plates and the two clamps of the protective frame are provided with coaxially arranged through holes, and the slide rod is fixed on the two side plates after passing through the coaxially arranged through holes, for linearly guiding the two moving side plates.

9. A piston rod assembly electric torque device according to claim 1, characterized in that The torque tool comprises: The support is in an overall L-shaped structure, and the bottom plate thereof is slidingly supported on the support plate; The torque head is installed on the vertical plate of the support, the inner side end of the torque head is aligned with the piston rod nut, and the outer side end of the torque head is connected with the rotating shaft of the electric torque gun fixed on the vertical plate; The torque machine box body is installed on the rack and is electrically connected with the torque head, for setting the torque value of the electric torque gun.

10. The piston rod assembly electric torque device according to claim 1, characterized in that: The rack comprises four supporting legs, which are located at the four corners of the support plate, and the strength of the rack is increased by installing a cross beam between two supporting legs.

Images