Rudder shaft drilling clamp device
By designing a rudder shaft drilling fixture, which uses a cross slider and pins to limit the rudder shaft and rocker arm, efficient and safe drilling of large-size rudder shafts is achieved. This solves the problem that existing tooling fixtures cannot clamp large-size rudder shafts, and improves processing efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-04-07
AI Technical Summary
Existing tooling fixtures cannot effectively clamp large-sized rudder shaft structures, nor can they adjust the gap between the rudder shaft end face and the outer port cover surface, resulting in time-consuming, labor-intensive, inefficient, and unreliable clamping.
Design a rudder shaft drilling fixture device that limits the six degrees of freedom of the rudder shaft and rocker arm through a combination of cross slider and pin, and achieves precise positioning in conjunction with the drill sleeve frame to meet the requirements of coaxiality and clearance.
Simultaneous drilling of the rudder shaft, rudder shaft bushing, and rocker arm ensures the coaxiality and clearance requirements of the holes, improves drilling efficiency and safety, and reduces preparation time.
Smart Images

Figure CN224088026U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of machining, specifically relates to a rudder shaft drilling clamp device. BACKGROUND
[0002] The rudder shaft, rudder shaft sleeve and rocker arm of a certain research model product need to be drilled, the coaxialities of the rudder shaft hole, rudder shaft sleeve hole and rocker arm hole need to be ensured, and the gap between the rudder shaft end face and the outer port cover surface also needs to be 5+ / -0.5mm, so the clamping tool also needs to have an adjustable function. At the same time, the rudder shaft diameter and the rudder surface outer shape structure size are large, so the existing tool clamps cannot be directly used for clamping and fastening for drilling.
[0003] The utility model discloses a drilling device for flight simulation cabin base machining of CN215317283U is disclosed in Chinese utility model patent, the drilling device for flight simulation cabin base machining disclosed in the utility model is applicable to the supporting base of circular, make the hole position precision of supporting base is high, supporting base stability is good, and the utility model can be applicable to different size supporting base, simple operation can reduce the consumption to manual. But the gap of the processing device cannot be adjusted.
[0004] The existing tool clamps have similar clamping functions, but because the rudder shaft structure size of the research model product is large, the existing tool cannot be clamped, and the gap between the rudder shaft end face and the outer port cover surface cannot be adjusted. Only the general clamp on the drilling machine can be used to debug clamping and fastening by using multiple pads, and then drilling. However, the results of multiple attempts are not ideal, and the rudder shaft clamping is time-consuming and laborious. The main shortcomings of the existing scheme are:
[0005] (1) The technical requirements for machine operation personnel are high.
[0006] (2) Low efficiency, long preparation time, and inconsistent clamping state each time, time-consuming and laborious.
[0007] (3) Low safety and reliability, because multiple pads are used to support and clamp, and the support and clamping position is the cylindrical surface of the rudder shaft, the cylindrical surface of the rudder shaft and the clamping support device are line-surface contact, and the parts may shake during drilling, causing the pads to loosen and fall off, causing the operator to be injured. UTILITY MODEL CONTENTS
[0008] In order to solve the above problems, the utility model aims at providing a rudder shaft drilling clamp device.
[0009] In order to achieve the above object, the utility model discloses the following technical scheme: a rudder shaft drilling clamp device, including the rear support seat of the front support seat rear end face connection through the connecting plate, the cross slide is fixed with the cross slide in the front end surface of the front support seat, the cross slide is provided with cross slider and moves back and forth, the cross slider is opened with the through round hole from the top vertical downward, is provided with the first bolt and passes through the round hole of cross slider, and the second bolt passes through the rear support seat and the front support seat in proper order.
[0010] Further, the drill sleeve frame is fixed on the upper end surface of the rear support seat, and the drill sleeve is connected to one side of the drill sleeve frame close to the front support seat.
[0011] Further, the drill sleeve is also provided with a drill sleeve bushing matched therewith.
[0012] Further, the second bolt is matched with a bushing at the connection with the front support seat.
[0013] Further, the distance between the first bolt and the front end surface of the front support seat is greater than 5mm.
[0014] Further, the front support seat and the rear support seat are arranged in parallel.
[0015] Further, a fastening screw is arranged and fixed in the cross slide, and the cross slider is fixed in the cross slide through the fastening screw.
[0016] Further, the first bolt is matched with a bushing at the contact with the upper end surface of the cross slider.
[0017] Further, a fixing frame perpendicular to the second bolt is further arranged on the rear support seat,
[0018] Further, the fixing frame is provided with a connecting standard part at both ends, and a standard part is also arranged below the front end surface of the front support seat.
[0019] Compared with the prior art, the utility model has the following advantages:
[0020] 1. The axial position of the rocker arm is realized through the bushing and the sleeve, the circumferential position of the rocker arm is realized through the bolt 2, and the six degrees of freedom of the rocker arm are limited.
[0021] 2. The axial position of the rudder shaft and the rudder shaft bushing is realized through the front and rear supports, the circumferential position of the rudder shaft and the rudder shaft bushing is realized through the bolt 1, and the six degrees of freedom of the rudder shaft and the rudder shaft bushing are limited. Meanwhile, the bolt 1 can be axially moved in the direction of the rudder shaft through the cross slider to meet the assembly gap between the end surface of the rudder shaft and the surface of the outer end cover.
[0022] 3. The accurate positioning of the rudder shaft drilling is realized through the drilling frame and the drill sleeve, and the position state of each rudder shaft part is consistent each time.
[0023] 4. The rudder shaft, rudder shaft sleeve and rocker arm three parts are simultaneously drilled by the rudder shaft drilling jig device, the coaxiality requirement of the holes of the rocker arm, the rudder shaft and the rudder shaft sleeve is met, the assembly gap between the rudder shaft end face and the outer port cover surface is 5±0.5mm, the jig device is adopted for clamping and processing, the drilling preparation time is reduced, the drilling efficiency is improved, and efficient, safe and reliable drilling of the rudder shaft is realized. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical scheme in the specific embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of not departing from the technical idea of the utility model.
[0025] Figure 1 It is a front view of the rudder shaft drilling jig device assembly in the utility model;
[0026] Figure 2 It is a front view of the rudder shaft drilling jig device assembly in the utility model;
[0027] Figure 3 It is a front view of the rudder shaft drilling jig device assembly in the utility model; Figure 1
[0028] Figure 4 It is a front view of the rudder shaft drilling jig device assembly in the utility model; Figure 2
[0029] In the drawing, 1 is a front support seat, 2 is a cross slide, 3 is a fastening screw, 4 is a bushing, 5 is a first bolt, 6 is a cross slide block, 7 is a connecting plate, 8 is a rear support seat, 9 is a second bolt, 10 is a drill sleeve frame, 11 is a drill sleeve bushing, 12 is a drill sleeve, 13 is a sleeve, 14 is a fixing frame, 15 is a connecting standard part, A-1 is a rudder shaft, A-2 is a rudder shaft sleeve, A-3 is an outer port cover, A-4 is a rocker arm, A-5 is a sleeve, and B is a drilling position. DETAILED DESCRIPTION
[0030] The utility model will be further described below in combination with the drawings and specific embodiments, but should not be understood as the scope of the subject matter described in the utility model is limited to the following embodiments, any modification, replacement and change made according to the ordinary technical knowledge and conventional means in the art without departing from the above technical idea of the utility model, all are included in the scope of the utility model.
[0031] REFERENCE Figures 1-4 The rudder shaft drilling clamp device comprises a rear support base 8 connected to the rear end surface of a front support base 1 through a connecting plate 7, a cross slide groove 2 fixed to the front end surface of the front support base 1, a cross slide block 6 arranged in the cross slide groove 2 and capable of moving forward and backward, a through circular hole vertically downwardly formed in the top end of the cross slide block 6, a first bolt 5 arranged to pass through the circular hole of the cross slide block 6, and a second bolt 9 arranged to pass through the rear support base 8 and the front support base 1 in sequence.
[0032] A drill sleeve holder 10 is fixed to the upper end surface of the rear support base 8, and a drill sleeve 12 is connected to the side of the drill sleeve holder 10 close to the front support base 1. A drill sleeve bushing 11 matched with the drill sleeve 12 is further arranged on the drill sleeve 12. A shaft sleeve 13 matched with the second bolt 9 is arranged at the connection between the second bolt 9 and the front support base 1.
[0033] The front support base 1 and the rear support base 8 are a rudder shaft drilling clamp support structure for supporting a rudder shaft. The connecting plate 7 is used to connect the front support base 1 and the rear support base. The cross slide block 6 is capable of sliding forward and backward in the cross slide groove 2, and is used to adjust the gap between the end surface of the rudder shaft and the surface of the cabin to be 5±0.5mm, so as to meet the design requirements. The fastening screw 3 is used to fasten the cross slide block 6 after adjustment. The first bolt 5 passes through the cross slide block 6 and the rudder shaft hole in cooperation with the bushing 4, so as to axially fix the rudder shaft. The second bolt 9 passes through the positioning holes of the front support base 1 and the rear support base 8, so as to limit the rotation of the rocker arm. The drill sleeve holder 10, the drill sleeve bushing 11 and the drill sleeve 12 are matched as a drill sleeve assembly. The drill sleeve bushing 11 and the drill sleeve 12 are installed on the drill sleeve holder 10, so as to guide the drill tool to process and improve the rigidity of the tool in the processing process and prevent vibration in the processing process. The shaft sleeve 13 is used to axially fix the rocker arm. The connecting standard part 15 is used to fix the drilling clamp support structure on the drill bed operating table.
[0034] The installation method is as follows. The clamp device is installed on the drill bed operating table through the connecting standard part 15, then the rudder shaft A-1 is inserted into the rudder shaft sleeve A-2, then the rudder shaft A-1 is inserted into the front support base 1, and then the shaft sleeve 13, the rocker arm A-4 and the sleeve A-5 are sequentially installed on the rudder shaft sleeve A-2, then the rudder shaft sleeve A-2 is inserted into the rear support base 8, and the second bolt 9 passes through the rear support base 8, the rocker arm A-4, the front support base 1, the shaft sleeve 13 and the sleeve A-5 in sequence, so as to limit the axial displacement of the rocker arm A-4 and the rotation of the rocker arm A-4.
[0035] Then the outer port cover is fastened by using a screw, then the first bolt 5 passes through the cross slide block 6 and is inserted into the hole of the rudder shaft A-1, then the plug gauge is adjusted to 5mm, then the rudder shaft A-1 is adjusted so that the gap between the rudder surface root and the surface of the cabin can be put into the 5mm plug gauge, at this time the fastening screw 3 is tightened to fix the cross slide block 2, so as to limit the axial movement of the rudder shaft A-1 and meet the design requirements of the gap, and finally the drill sleeve 12 is installed on the drill sleeve holder 10, so as to perform drilling processing.
[0036] The rudder shaft drilling clamp device is designed to realize drilling of the rudder shaft, the rudder shaft sleeve and the rocker simultaneously, and to meet the coaxiality requirement of the holes of the rocker, the rudder shaft and the rudder shaft sleeve when assembled, and the assembly gap between the end surface of the rudder shaft and the surface of the outer end port cover is 5±0.5mm. The drilling efficiency is greatly improved, the drilling preparation time is reduced, the reliability of the rudder shaft drilling is improved, the technical requirement of the rudder shaft assembly is met, and the efficient, safe and reliable drilling of the rudder shaft is realized.
[0037] The rudder shaft drilling clamp device provided by the utility model is described in detail above, the structure and working principle of the utility model are described by applying specific examples in this paper, and the description of the above examples is only used to help understand the method and core idea of the utility model. It should be pointed out that, for ordinary skilled persons in the technical field, the utility model can be improved and modified in many ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the utility model claims.
Claims
1. A rudder shaft drilling fixture device, characterized in that: The rear support (8) is connected to the rear end face of the front support (1) via a connecting plate (7). A cross slide groove (2) is fixed on the front end face of the front support (1). A cross slider (6) is provided in the cross slide groove (2) and moves back and forth. The cross slider (6) has a through round hole vertically downward from the top. A first pin (5) passes through the round hole of the cross slider (6), and a second pin (9) passes through the rear support (8) and the front support (1) in sequence.
2. The rudder shaft drilling fixture device according to claim 1, characterized in that: A drill sleeve frame (10) is fixed on the upper end face of the rear support (8), and a drill sleeve (12) is connected to the drill sleeve frame (10) on the side close to the front support (1).
3. The rudder shaft drilling fixture device according to claim 2, characterized in that: A drill bushing (11) is also provided on the drill bushing (12) to cooperate with it.
4. The rudder shaft drilling fixture device according to claim 1, characterized in that: A bushing (13) is fitted at the connection between the second pin (9) and the front support seat (1).
5. The rudder shaft drilling fixture device according to claim 1, characterized in that: The distance between the first pin (5) and the front end face of the front support (1) is greater than 5mm.
6. The rudder shaft drilling fixture device according to claim 1, characterized in that: The front support (1) and the rear support (8) are arranged in parallel.
7. The rudder shaft drilling fixture device according to claim 1, characterized in that: A fastening screw (3) is provided to fix the cross slide (2), and the cross slide (6) is fixed in the cross slide (2) by the fastening screw (3).
8. The rudder shaft drilling fixture device according to claim 1, characterized in that: A bushing (4) is fitted at the contact point between the first pin (5) and the upper end face of the cross slider (6).
9. The rudder shaft drilling fixture device according to claim 1, characterized in that: A fixing bracket (14) perpendicular to the second pin (9) is also provided on the rear support (8).
10. The rudder shaft drilling fixture device according to claim 9, characterized in that: The fixed frame (14) is provided with connecting standard parts (15) at both ends, and standard parts (15) are also provided below the front end face of the front support (1).
Citation Information
Patent Citations
Drilling device for flight simulation cabin base machining
CN215317283U