Portable mechanical static pressure tool and its installation and use method

Abstract

The application discloses a portable mechanical static pressure tool and a mounting and using method thereof. The static pressure tool comprises a rechargeable handheld electric drill, a transmission device and a fixing device. The rechargeable handheld electric drill is arranged at one end of the transmission device and is used for providing rotary power to the transmission device. The fixing device is arranged at the other end of the transmission device and is used for fixing a part to be pressed. The transmission device is combined through three types of transmission modes, i.e. bevel gear transmission, worm gear transmission and trapezoidal thread transmission, so that the power provided by the rechargeable handheld electric drill is amplified and transmitted to a pressing head. The tool can realize the function of static pressure pressing of the part to be pressed by connecting the rechargeable handheld electric drill and the fixing device through the transmission device. The tool has the characteristics of small size, simple structure, convenient carrying, low production cost and easy maintenance.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aviation technology, and particularly relates to a portable mechanical static pressure tool. BACKGROUND

[0002] The component structure of an airplane is complex, and the working condition is harsh, and the anti-loosening requirement for parts is extremely harsh, so various types of locking operations are involved in the assembly process of the airplane components, among which a U-shaped locking pin is relatively special, the diameter of the locking pin is large, and the material is hard, so it is not convenient to bend.

[0003] The traditional method mainly relies on general tools such as pliers and hammers to lock, and has the problems of inconvenient operation, easy damage to products, and low work efficiency. SUMMARY

[0004] The present application aims to overcome the deficiencies in the prior art that the U-shaped locking pin is inconvenient to lock by using general tools such as pliers and hammers, the work efficiency is low, and the product is easily damaged, and provides a portable mechanical static pressure tool to realize the function of static pressure locking of the U-shaped locking pin.

[0005] In order to achieve the above-mentioned application purpose, the present application provides the following technical scheme:

[0006] A portable mechanical static pressure tool, comprising a rechargeable handheld electric drill, a transmission device, a fixing device and a pressure head, the rechargeable handheld electric drill is arranged at one end of the transmission device, the rechargeable handheld electric drill is used to provide rotary power to the transmission device, the pressure head is arranged at the other end of the transmission device, the fixing device is used to fix the parts to be pressed, the transmission device comprises a base frame, a bevel gear shaft arranged inside the base frame, a bevel gear worm shaft and a worm gear threaded shaft, the bevel gear shaft and the bevel gear worm shaft are connected by a bevel gear transmission for rotation axis conversion, the bevel gear worm shaft and the worm gear threaded shaft are connected by a worm gear transmission for torque amplification, and the worm gear threaded shaft and the pressure head are connected by a trapezoidal thread transmission for converting rotary motion into linear motion.

[0007] The transmission device is connected with the electric drill and the pressure head through a plurality of meshing gear shafts, and belongs to a pure mechanical structure design, which is free from the restraint of pipelines and supporting hydraulic pumps and other equipment compared with a traditional hydraulic design, is low in cost, and is convenient to maintain; the transmission device is designed to convert rotary motion into linear motion, realize force amplification by tens of times, make the tool meet the requirement of static pressure insurance, and also reduce the size and weight of the whole mechanical static pressure tool, which is more convenient to carry and can adapt to more application scenarios.

[0008] Preferably, a rectangular hole is arranged on the base frame, and the profile of the pressure head is rectangular, and the pressure head is matched with the rectangular hole.

[0009] With this arrangement, the rectangular hole consistent with the profile of the pressure head is arranged on the outer side of the base frame, so that the pressure head can pass through the rectangular hole, and the structure limits the rotation of the pressure head and ensures that the pressure head can only move along the axis during work.

[0010] Preferably, a U-shaped groove one is arranged on the second end face of the pressure head, the second end face is consistent with the shape of the outer surface of the part to be pressed, and the U-shaped groove one is consistent with the size of the U-shaped safety pin on the part to be pressed.

[0011] With this structure, the size of the U-shaped groove one is consistent with the size of the U-shaped safety pin, and the end face is arranged to be consistent with the shape of the outer surface of the part to be pressed, so that the part to be pressed can be fixed when the pressure head applies pressure to the U-shaped safety pin, and the U-shaped safety pin is limited to slide in the U-shaped groove one.

[0012] Preferably, the fixing device is detachably connected with the base frame, and the fixing device includes a plurality of sizes.

[0013] With this structure, the fixing device of the tool is designed to be detachable, and by changing the fixing device of different sizes, the application scenarios of insurance pins of multiple types and specifications can be met.

[0014] Preferably, the fixing device comprises an elbow and a screw rod, the elbow is provided with a cross-shaped convex structure, the base frame is provided with a cross-shaped groove, the cross-shaped convex structure is connected with the cross-shaped groove, the cross-shaped groove is internally provided with a first threaded hole, one end of the elbow is provided with a through countersunk hole, and the screw rod is fixed through the countersunk hole and the first threaded hole.

[0015] With the structure, the cross-shaped convex structure at the connecting position of the elbow and the base frame is matched with the size of the cross-shaped groove on the base frame, so that the positioning of the elbow and the base frame is stable, the countersunk hole is formed on the elbow for the screw rod to pass through, the screw rod is fixedly connected with the first threaded hole on the base frame, and the base frame and the elbow are fixedly connected.

[0016] Preferably, one end of the base frame is connected with a rear end cover, the rear end cover is connected with a clamping plate, the rear end cover is provided with an upper supporting hole, a lower supporting hole and a blind hole, the blind hole is internally provided with an anti-rotation rod, the other end of the anti-rotation rod is located in the blind hole of the rechargeable handheld electric drill, the clamping plate is formed by splicing two symmetrical clamping plates, the symmetrical clamping plates form an upper circular groove and a lower circular groove, one side of the base frame is provided with a rectangular window, the rectangular window is connected with a side opening cover, the base frame is provided with a resting hole one, the side opening cover is provided with a resting hole two, and the resting hole one is coaxial with the resting hole two.

[0017] With the structure, the base frame is used as an external frame of the transmission device, the gear shaft is installed in the base frame, the base frame is closed through the rear end cover and the side opening cover, the gear shaft is prevented from directly contacting the outside, and the gear shaft is protected; the clamping plate is formed by splicing two symmetrical clamping plates, the symmetrical clamping plates form an upper circular groove and a lower circular groove, and the clamping plate can limit the position; the upper supporting hole and the lower supporting hole are formed in the rear end cover, the shaft passing through the upper supporting hole and the lower supporting hole is vertically supported, the blind hole in the rear end cover is matched with the blind hole in the rechargeable handheld electric drill, the anti-rotation rod is clamped and fixed in the blind hole, the relative rotation between the rechargeable handheld electric drill and other parts is limited, the resting hole one is coaxial with the resting hole two, the gear shaft can be fixed on the base frame, the resting hole one and the resting hole two are inclined, the internal space of the base frame is saved, and the size of the mechanical static pressure tool is reduced.

[0018] Preferably, the bevel gear shaft comprises a bevel gear one and a shaft body, the bevel gear one and the shaft body are fixedly connected, the shaft body is provided with an annular groove one, the shaft body is divided into a shaft body one and a shaft body two, the shaft body one is clamped by the rechargeable handheld electric drill, the shaft body two passes through the upper supporting hole, and the annular groove one is limited and clamped by the upper circular groove.

[0019] With the structural arrangement, the charging type handheld electric drill clamping shaft body one is fixedly connected with the bevel gear one, so that the input rotating power of the charging type handheld electric drill can drive the bevel gear one to rotate, the shaft body two passes through the upper supporting hole of the rear end cover to fix and support the bevel gear shaft, the annular groove one is limited by the upper circular groove of the clamping plate to limit the axial position of the bevel gear shaft.

[0020] Preferably, the bevel gear worm shaft comprises a bevel gear two, a worm, and a shaft body three, the bevel gear two is fixedly connected with the worm, one end of the shaft body three is arranged in the resting hole one, and the other end of the shaft body three is arranged in the resting hole two, and the bevel gear two is engaged with the bevel gear one.

[0021] With the structural arrangement, the bevel gear two is fixedly connected with the worm, the bevel gear two is engaged with the bevel gear one, the rotating power provided by the charging type handheld electric drill can be transmitted to the bevel gear two, the worm is driven by the bevel gear two to rotate, and the rotating axis is converted; the rectangular window is arranged to pass through the bevel gear worm shaft, one end of the shaft body three is arranged in the resting hole one, and the other end of the shaft body three is arranged in the resting hole two, so that the bevel gear worm shaft can be conveniently installed on the base frame.

[0022] Preferably, the worm gear threaded shaft comprises a worm gear, a threaded shaft, and a shaft body four, an annular groove two is formed in the shaft body four, the annular groove two is limited and clamped by the lower circular groove, the shaft body four passes through the lower supporting hole, the worm gear is engaged with the worm, the worm gear is fixedly connected with the threaded shaft, and the threaded shaft is engaged with the second threaded hole on the pressure head.

[0023] With the structural arrangement, the worm gear is engaged with the worm to form a worm and worm gear transmission pair, the rotating power provided by the charging type handheld electric drill is transmitted to the worm gear by the worm, the rotating axis is converted, and the torque is amplified at the same time, the worm gear is also fixedly connected with the threaded shaft, the threaded shaft is engaged with the second threaded hole on the pressure head, the threaded shaft is driven to rotate by the worm gear, the pressure head is driven to move by cooperation of the threaded shaft and the second threaded hole, the rotating motion is converted into the linear motion of the pressure head, and the force is amplified at the same time; the shaft body four passes through the lower supporting hole of the rear end cover to fix and support the worm gear threaded shaft, and the annular groove two is limited by the lower circular groove of the clamping plate to limit the axial position of the worm gear threaded shaft.

[0024] A portable mechanical static pressure tool installation and use method, comprising the following steps:

[0025] The bevel gear worm shaft passes through the rectangular window, and one end of the shaft body three is arranged in the resting hole one;

[0026] The pressure head is inserted into the rectangular hole, the worm gear threaded shaft is arranged in the base frame, and the threaded shaft is connected with the second threaded hole;

[0027] Adjust the relationship of the worm and the worm gear so that they mesh;

[0028] Install the side cover on the rectangular window, adjust the position of the bevel gear worm shaft, and place the other end of the shaft body three in the resting hole two, and fix the side cover;

[0029] Install the bevel gear shaft so that bevel gear one meshes with bevel gear two, and install the rear end cover on the base frame, and the bevel gear shaft and the bevel gear worm shaft pass through the upper support hole and the lower support hole respectively;

[0030] Insert ring groove one and ring groove two into the upper circular groove and lower circular groove of the clamping plate respectively, and fix the clamping plate on the rear end cover;

[0031] Select the size of the elbow according to the size of the part to be pressed;

[0032] Insert the cross-shaped protruding structure into the cross-shaped groove, and pass the screw through the countersunk hole and tighten it with the first threaded hole;

[0033] Insert the anti-rotation rod into the blind hole, and insert the other end of the anti-rotation rod into the blind hole of the lower part of the rechargeable handheld electric drill, insert the shaft body one into the clamping hole of the rechargeable handheld electric drill, and tighten the clamping part of the rechargeable handheld electric drill;

[0034] Insert the U-shaped safety pin into the part to be pressed, and place the part to be pressed into the fixing device of the tool, and start the rechargeable handheld electric drill to complete the static pressure safety;

[0035] Reverse the rechargeable handheld electric drill, and take out the part to be pressed after the pressing head is separated from the part to be pressed.

[0036] Compared with the prior art, the beneficial effects of the present application are:

[0037] The tool selects a rechargeable handheld electric drill as a power source, which is low in cost, small in size, and can be directly charged and taken out, facilitating carrying and adapting to more application scenarios.

[0038] The fixing device of the tool adopts a detachable structure design, and by changing the elbow of different sizes, it can meet the application scenarios of safety pin safety of multiple types and specifications.

[0039] The transmission device of the tool has three types of combinations of bevel gear transmission, worm gear and worm transmission, and trapezoidal thread transmission, which realizes the function of amplifying and transmitting the power provided by the rechargeable handheld electric drill to the pressing head, and belongs to a pure mechanical structure, which is low in cost and convenient to maintain compared with the traditional hydraulic design, which eliminates the constraints of pipelines and supporting hydraulic pumps and other equipment.

[0040] The tool connects the rechargeable handheld electric drill with the fixing device through the transmission device, and can realize the function of static pressure pressing of the parts to be pressed. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 It is an assembly drawing of the portable mechanical static pressure tool according to the application;

[0042] Figure 2 It is an exploded view of the tool structure;

[0043] Figure 3 It is a schematic view of U-shaped safety pin before bending;

[0044] Figure 4 It is a schematic view of U-shaped safety pin after bending;

[0045] Figure 5 It is a top view of the tool;

[0046] Figure 6 It is Figure 5 It is a sectional view along A-A direction;

[0047] Figure 7 It is Figure 6 It is an enlarged view of T area;

[0048] Figure 8 It is Figure 6 It is a sectional view along B-B direction;

[0049] Figure 9 It is Figure 6 It is a sectional view along C-C direction;

[0050] Figure 10 It is Figure 6 It is a sectional view along D-D direction;

[0051] Figure 11 It is Figure 6 It is a sectional view along E-E direction;

[0052] Figure 12 It is a sectional view of the transmission device;

[0053] Figure 13 It is another sectional view of the transmission device;

[0054] Figure 14 It is a structure diagram of worm screw shaft;

[0055] Figure 15 It is a structure diagram of bevel gear shaft;

[0056] Figure 16 It is a structure diagram of bevel gear worm shaft;

[0057] Figure 17 is a front view of the pressure head;

[0058] Figure 18 is Figure 17 is a sectional view along the direction of J-J;

[0059] Figure 19 is a force analysis diagram of the U-shaped safety pin;

[0060] Figure 20 is a structure diagram of the clamping plate;

[0061] Figure 21 is a perspective structure diagram of the base frame;

[0062] Figure 22 is a front view of the base frame;

[0063] Figure 23 is a side view of the base frame;

[0064] Figure 24 is Figure 22 is a sectional view along the direction of F-F;

[0065] Figure 25 is Figure 22 is a sectional view along the direction of F-F after assembling the side port cover;

[0066] Figure 26 is a front view of the elbow;

[0067] Figure 27 is a side view of the elbow;

[0068] Figure 28 is a side view of the elbow in another direction;

[0069] Figure 29 is a front view of the side port cover;

[0070] Figure 30 is a side view of the side port cover;

[0071] Figure 31 is Figure 30 is a view from G direction;

[0072] Figure 32 is a front view of the rear end cover;

[0073] Figure 33 is a sectional view along the direction of K-K of the rear end cover.

[0074] Numbering in the diagram: 1-Cordless handheld drill, 2-Anti-rotation rod, 3-Rear end cap, 31-Upper support hole, 32-Lower support hole, 33-Blind hole, 4-Clamping plate, 41-Card, 42-Upper circular groove, 43-Lower circular groove, 5-Worm gear threaded shaft, 51-Annular groove two, 52-Shaft four, 53-Shaft shoulder three, 54-Worm gear, 55-Threaded shaft, 6-Bevel gear shaft, 61-Shaft, 611-Shaft one, 612-Shaft two, 62-Annular groove one, 63-Shaft shoulder one, 64-Bevel gear one, 7-Bevel gear worm shaft, 7 1-Shaft body three, 72-Bevel gear two, 73-Worm, 74-Shoulder two, 75-End face one, 8-Base frame, 81-Rectangular hole, 82-Cross groove, 83-First threaded hole, 84-Rectangular window, 85-Support hole one, 9-Pressure head, 91-Second threaded hole, 92-U-shaped groove one, 93-End face two, 10-Elbow, 101-Countersunk hole, 102-Cross protrusion structure, 103-U-shaped groove two, 11-Screw, 12-Side cover, 121-Support hole two, 13-Part to be pressed, 131-U-shaped safety pin. Detailed Implementation

[0075] The present invention will be further described in detail below with reference to experimental examples and specific embodiments. However, this should not be construed as limiting the scope of the above-mentioned subject matter of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention. Example 1:

[0076] like Figures 1-33 As shown, a portable mechanical hydrostatic tool includes a cordless handheld drill 1. This tool employs a three-stage transmission. The first stage involves the cordless handheld drill 1 clamping the shaft 611 of a bevel gear shaft 6, providing rotational power to the bevel gear shaft 6. The bevel gear 64 on the bevel gear shaft 6 meshes with the bevel gear 72 of the bevel gear worm shaft 7 to achieve a change in the rotational axis. The second stage involves the worm 73 of the bevel gear worm shaft 7 meshing with the worm wheel 54 of the worm wheel threaded shaft 5 to form a worm gear transmission pair, achieving torque amplification while simultaneously changing the rotational axis. The third stage involves the threaded shaft 55 of the worm wheel threaded shaft 5 meshing with the second threaded hole 91 of the pressure head 9, converting the rotational motion of the worm wheel threaded shaft 5 into the linear motion of the pressure head 9, while simultaneously amplifying the force.

[0077] The structure of bevel gear shaft 6 is as follows Figure 15As shown in the figure, the part of the shaft body one 611 is the clamping part of the rechargeable handheld electric drill 1; the annular groove 62 on the shaft body 61 cooperates with the upper circular groove 42 of the clamping plate 4 to realize the axial positioning of the bevel gear shaft 6, wherein the clamping plate 4 is fixed on the rear end cover 3 by screw installation; the part of the shaft body two 612 cooperates with the upper support hole 31 on the rear end cover 3 to realize the fixed support of the bevel gear shaft 6, wherein the rear end cover 3 is fixed on the base frame 8 by screw installation, and the shaft shoulder one 63 realizes the axial positioning of the bevel gear shaft 6.

[0078] The structure of the bevel gear worm shaft 7 is as shown in the figure Figure 16 , wherein the part of the shaft body three 71 cooperates with the resting hole one 85 in the base frame 8 to realize the support of one end of the shaft body three 71; the other end of the shaft body three 71 cooperates with the resting hole two 121 on the side cover 12 to realize the support of the other end of the shaft body three 71; the shaft shoulder two 74 and the end face one 75 cooperate to realize the axial positioning of the bevel gear worm shaft 7; the side cover 12 is installed on the base frame 8 to close the rectangular window 84, and after assembly, the resting hole two 121 on the side cover 12 is coaxial with the resting hole one 85 on the base frame 8, and the size of the rectangular window 84 on the base frame 8 is larger than the maximum outer diameter of the part of the bevel gear two 72 on the bevel gear worm shaft 7, so that the bevel gear worm shaft 7 can pass through the rectangular window 84 to be installed on the base frame 8, and after installation, the side cover 12 can be connected with the base frame 8 by screw.

[0079] The structure of the worm screw shaft 5 and the pressure head 9 is as shown in the figure Figure 14 , Figure 17 , 18 , the annular groove two 51 on the worm screw shaft 5 cooperates with the part of the lower circular groove 43 of the clamping plate 4 to realize the axial positioning of the worm screw shaft 5; the part of the shaft body four 52 cooperates with the lower support hole 32 on the rear end cover 3 to realize the fixed support of one end of the worm screw shaft 5; the shaft shoulder three 53 also realizes the axial positioning of the worm screw shaft 5; the threaded shaft 55 part of the worm screw shaft 5 meshes with the second threaded hole 91 of the pressure head 9, which realizes transmission and the support of the other end of the worm screw shaft 5, as shown in the figure Figure 7 . The outline of the pressure head 9 is rectangular, which cooperates with the rectangular hole 81 on the base frame 8, and this structure limits the rotation of the pressure head 9, so that it can only move along the axis during work; the U-shaped recess one 92 is coordinated with the size of the U-shaped safety pin 131, which limits the U-shaped safety pin 131 to only slide in the U-shaped recess one 92; the end face two 93 is designed as an arc, and the force analysis diagram when the safety is punched is as shown in the figure Figure 19 , the force at the contact point of the end face two 93 and the U-shaped safety pin 131 is F, which can be decomposed into F x and F y under the limitation of the arc structure, wherein F y bends the U-shaped safety pin 131.

[0080] The part of the base 8 on which the elbow 10 is mounted is a cross slot 82 structure which is in size coordination with the cross protruding structure 102 on the elbow 10, and after mounting, the full positioning effect is achieved; the screw rod 11 passes through the countersunk hole 101 on the elbow 10 and is screwed and fixed with the first threaded hole 83 on the base 8, realizing the installation of the elbow 10, and the place where the elbow 10 contacts with the U-shaped safety pin 131 is provided with a U-shaped groove two 103 which is consistent in size with the U-shaped safety pin 131, so that the elbow 10 can be used to fix the U-shaped safety pin 131 conveniently, and by designing the elbow 10 with different sizes, the application scene of the tool can be widened.

[0081] The rear end cover 3 is provided with a blind hole 33, one end of the anti-rotation rod 2 is matched with the blind hole 33, and the other end is matched with the blind hole on the rechargeable handheld electric drill 1, so that the relative rotation of the part other than the rechargeable handheld electric drill 1 and the rechargeable handheld electric drill 1 is limited.

[0082] As shown in Figure 12 , the transmission device of the tool adopts three-stage transmission, the first stage is meshed by the bevel gear two 72 of the bevel gear worm shaft 7 and the bevel gear one 64 of the bevel gear shaft 6, and the transmission ratio is recorded as K 1 , usually K 1 taking 1 or 2; the second stage is meshed by the worm gear 54 of the worm screw shaft 5 and the worm 73 of the bevel gear worm shaft 7, and the transmission ratio is recorded as K 2 , usually K 2 taking 30-50; the initial torque applied by the rechargeable handheld electric drill 1 to the bevel gear shaft 6 is T , after the transmission of the first two stages, the torque T 1 = T*K 1 *K 2 ; the third stage is meshed by the threaded shaft 55 of the worm screw shaft 5 and the second threaded hole 91 of the pressure head 9, and the threaded shaft 55 of the worm screw shaft 5 adopts a trapezoidal thread structure with a pitch of 2mm, and according to the relationship between the threaded torque and the pressure:

[0083] pressure = 3.14*torque / pitch, and the pressure of the pressure head 9 is F , and according to the above:

[0084]

[0085] combined with the value of K 1 、K 2 , F the value range of .

[0086] Through the above calculation, it is known that the torque of the rechargeable handheld electric drill 1 can be converted into tens of times of positive pressure on the pressure head 9 through three-stage transmission, so as to achieve the purpose of static pressure drilling. Embodiment 2:

[0087] On the basis of embodiment 1, the tool is equipped with the following steps:

[0088] The bevel gear worm shaft 7 is inserted into the rectangular window 84 of the base frame 8, and the shaft body three 71 is placed into the resting hole one 85;

[0089] The pressure head 9 is placed into the rectangular hole 81 of the base frame 8, and the worm screw shaft 5 is placed into the base frame 8, and the threaded shaft 55 on the worm screw shaft 5 is matched with the second threaded hole 91 of the pressure head 9;

[0090] The positional relationship between the worm screw shaft 5 and the bevel gear worm shaft 7 is coordinated, so that the worm 73 is engaged with the worm wheel 54;

[0091] The side cover 12 is installed into the rectangular window 84 of the base frame 8, and the position of the bevel gear worm shaft 7 is coordinated, so that the other end of the shaft body three 71 is matched with the resting hole two 121 on the side cover 12, and the side cover 12 is fixed with screws;

[0092] The bevel gear shaft 6 is installed, so that the bevel gear one 64 is engaged with the bevel gear two 72, the rear end cover 3 is installed on the base frame 8, the bevel gear shaft 6 and the bevel gear worm shaft 7 pass through the upper support hole 31 and the lower support hole 32 respectively, and the rear end cover 3 is fixed on the base frame 8 with screws;

[0093] The upper circular groove 42 and the lower circular groove 43 of the clamping plate 4 are respectively clamped in the annular groove one 62 of the bevel gear shaft 6 and the annular groove two 51 of the worm screw shaft 5, and then the clamping plate 4 is spliced and fixed on the rear end cover 3 after the left and right two clamping plates 41 are spliced with screws;

[0094] According to the size of the to-be-pressed part 13, a matching elbow 10 is selected;

[0095] The elbow 10 is installed into the cross groove 82 on the base frame 8, the screw rod 11 is inserted into the countersunk hole 101 on the elbow 10, and the screw rod 11 is tightly fixed with the first threaded hole 83 on the base frame 8;

[0096] The anti-rotation rod 2 is inserted into the blind hole 33 on the rear end cover 3, and the other end of the anti-rotation rod 2 is inserted into the blind hole in the lower part of the rechargeable handheld electric drill 1, the shaft body one 611 of the bevel gear shaft 6 is inserted into the clamping hole of the rechargeable handheld electric drill 1, the position of the whole tool is coordinated, and the clamping part of the rechargeable handheld electric drill 1 is tightly clamped to tightly clamp the shaft body one 611;

[0097] Insert the U-shaped safety pin 131 into the part 13 to be pressed, put the part 13 to be pressed into the fixing device of the tool, and start the rechargeable hand drill 1 to complete the static pressure safety pressing;

[0098] Reverse the rechargeable hand drill 1, and take out the part 13 to be pressed after the head 9 is separated from the part 13 to be pressed.

[0099] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A portable mechanical hydrostatic tool, characterized in that, The utility model provides a kind of electric drill, including charging type hand-held electric drill (1), transmission device, fixed device and pressure head (9), the charging type hand-held electric drill (1) is arranged in the one end of the transmission device, the charging type hand-held electric drill (1) is used to provide rotary power to the transmission device, the pressure head (9) is arranged in the other end of the transmission device, the fixed device is used to fix the part (13) to be pressed, the transmission device includes base frame (8) and be arranged in the inside of the base frame (8) bevel gear shaft (6), bevel gear worm shaft (7), worm gear screw shaft (5), between the bevel gear shaft (6) and the bevel gear worm shaft (7) bevel gear transmission, for the conversion of axis of rotation;Between the bevel gear worm shaft (7) and the worm gear screw shaft (5) worm gear transmission, for the amplification of moment of force;Between the worm gear screw shaft (5) and the pressure head (9) trapezoidal thread transmission, for converting rotary motion into linear motion; The pressure head (9) is provided with a U-shaped groove (92) on the end surface (93) for pressing, the end surface (93) is consistent with the shape of the outer surface of the part (13) to be pressed, and the U-shaped groove (92) is consistent in size with the U-shaped safety pin (131) on the part (13) to be pressed.

2. A portable mechanical static pressure tool according to claim 1, characterized in that The base frame (8) is provided with a rectangular hole (81), and the profile of the pressure head (9) is rectangular, and the pressure head (9) and the rectangular hole (81) are matched.

3. A portable mechanical static pressure tool according to claim 1, wherein, The fixing device is detachably connected with the base frame (8), and the fixing device includes multiple sizes.

4. A portable mechanical static pressure tool according to claim 1, wherein, The fixing device includes an elbow (10) and a screw rod (11), the elbow (10) is provided with a cross-shaped protruding structure (102), the base frame (8) is provided with a cross-shaped groove (82), the cross-shaped protruding structure (102) is connected with the cross-shaped groove (82), the inside of the cross-shaped groove (82) is provided with a first threaded hole (83), one end of the elbow (10) is provided with a through countersunk hole (101), and the screw rod (11) passes through the countersunk hole (101) and is fixed with the first threaded hole (83).

5. A portable mechanical static pressure tool according to claim 1, wherein, One end of the base frame (8) is connected with a rear end cover (3), the rear end cover (3) is connected with a clamping plate (4), the rear end cover (3) has an upper supporting hole (31), a lower supporting hole (32) and a blind hole (33), the blind hole (33) is provided with an anti-rotation rod (2), the other end of the anti-rotation rod (2) is located in the blind hole of the charging type hand-held electric drill (1), the clamping plate (4) is spliced by two symmetrical clamping plates (41), the clamping plates (41) are symmetrically spliced to form an upper circular groove (42) and a lower circular groove (43), one side of the base frame (8) is opened to a rectangular window (84), the rectangular window (84) is connected with a side cover (12), the base frame (8) is provided with a resting hole (85), the side cover (12) is provided with a resting hole (121), and the resting hole (85) and the resting hole (121) are coaxial.

6. A portable mechanical static pressure tool according to claim 5, wherein, The bevel gear shaft (6) comprises a bevel gear one (64) and a shaft body (61), the bevel gear one (64) and the shaft body (61) are fixedly connected, an annular groove one (62) is formed in the shaft body (61), the shaft body (61) is divided into a shaft body one (611) and a shaft body two (612), the shaft body one (611) is clamped by the rechargeable hand-held electric drill (1), the shaft body two (612) passes through the upper support hole (31), and the annular groove one (62) is clamped and limited by the upper circular groove (42).

7. A portable mechanical static pressure tool according to claim 6, wherein The bevel gear worm shaft (7) comprises a bevel gear two (72), a worm (73) and a shaft body three (71), the bevel gear two (72) and the worm (73) are fixedly connected, one end of the shaft body three (71) is arranged in the resting hole one (85), the other end of the shaft body three (71) is arranged in the resting hole two (121), and the bevel gear two (72) is engaged with the bevel gear one (64).

8. A portable mechanical static pressure tool according to claim 7, wherein, The worm gear threaded shaft (5) comprises a worm gear (54), a threaded shaft (55) and a shaft body four (52), an annular groove two (51) is formed in the shaft body four (52), the annular groove two (51) is clamped and limited by the lower circular groove (43), the shaft body four (52) passes through the lower support hole (32), the worm gear (54) is engaged with the worm (73), the worm gear (54) and the threaded shaft (55) are fixedly connected, and the threaded shaft (55) is engaged with the second threaded hole (91) on the pressure head (9).

9. A method of portable mechanical static pressure tool installation use, using the tool according to any one of claims 1-8, characterized in that, The method comprises the following steps: a. the bevel gear worm shaft (7) passes through the rectangular window (84), one end of the shaft body three (71) is arranged in the resting hole one (85); b. the pressure head (9) is inserted into the rectangular hole (81), the worm gear threaded shaft (5) is arranged in the base frame (8), and the threaded shaft (55) is connected with the second threaded hole (91); c. the relationship between the worm (73) and the worm gear (54) is adjusted, so that they are engaged; d. the side cover (12) is arranged on the rectangular window (84), the position of the bevel gear worm shaft (7) is adjusted, so that the other end of the shaft body three (71) is arranged in the resting hole two (121), and the side cover (12) is fixed; e. the bevel gear shaft (6) is arranged, so that the bevel gear one (64) is engaged with the bevel gear two (72), the rear end cover (3) is arranged on the base frame (8), the bevel gear shaft (6) and the bevel gear worm shaft (7) pass through the upper support hole (31) and the lower support hole (32) respectively; f. the annular groove one (62) and the annular groove two (51) are respectively clamped in the upper circular groove (42) and the lower circular groove (43) of the clamping plate (4), and the clamping plate (4) is fixed on the rear end cover (3); g. the size of the elbow (10) is selected according to the size of the part to be pressed (13); h. the cross convex structure (102) is clamped with the cross groove (82), the screw rod (11) passes through the counterbore hole (101) and is tightly fixed with the first threaded hole (83). i. Insert the anti-rotation rod (2) into the blind hole (33), and insert the other end of the anti-rotation rod (2) into the blind hole in the lower part of the rechargeable handheld electric drill (1), insert the shaft body one (611) into the clamping hole of the rechargeable handheld electric drill (1), and tighten the clamping part of the rechargeable handheld electric drill (1); j. Insert the U-shaped safety pin (131) into the part to be pressed (13), and place the part to be pressed (13) into the fixing device of the tool, and start the rechargeable handheld electric drill (1) to complete the static pressure safety pressing; k. Reverse the rechargeable handheld electric drill (1), and take out the part to be pressed (13) after the pressing head (9) is separated from the part to be pressed (13).

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