Torque calibration device for rail transit vehicle fastener

Abstract

The utility model relates to the technical field of torque calibration tools, in particular to a torque calibration device for a rail transit vehicle fastener. Comprising a torque wrench body and an identification assembly, and the identification assembly comprises a handle, a mounting cylinder, a mounting plate, a micro electric push rod, a connecting plate, a limiting disc, an identification pen body, a guide component and a limiting component. Therefore, an operator can reduce the number of carried tools, and the problems that an existing torque wrench does not have a marking function during use, so that the operator needs to additionally carry marking tools, the number of carried tools is greatly increased, and inconvenience is brought to the operator in use can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to torque calibration tool technical field especially relates to a rail transit vehicle fastener torque calibration device. BACKGROUND

[0002] High-strength bolts and nuts are common fasteners in rail transit vehicles, and for high-precision machinery, threaded fasteners must be tightened or loosened according to the specified operating procedure at the preset torque level. Improper manual operation torque may unintentionally damage or destroy the threaded fastener or threaded hole, and thus may cause damage to the machine function and operating precision. The conventional torque wrench cannot detect and display the torque value in real time during the torque operation process, so the user cannot realize the applied torque level, and therefore must rely on personal experience and judgment to operate the hand tool or electric or pneumatic tool, which is inconvenient to use.

[0003] After searching, the prior art CN206216578U discloses a torque wrench, comprising: a wrench main body provided with a tool head at the end; a torque strain rod arranged in the wrench main body and connected with the tool head at one end; a torque sensor arranged on the torque strain rod to detect the torque value transmitted from the tool head to the torque strain rod; an angle sensor arranged in the wrench main body to detect the horizontal angle of the tool head and the wrench main body; a circuit board device arranged in the wrench main body to process the detected torque signal and angle signal; and a controller wirelessly connected with the wrench main body to receive the data sent by the circuit board device and process it. According to the torque wrench of the utility model, the accurate torque and angle values and alarm operation can be displayed in real time, bidirectional wireless transmission is established between the detection and processing circuit device and the receiving control processor, and remote management and real-time correction of the torque value and angle value data of the torque wrench are realized.

[0004] The applicant found that when using the above torque wrench, the fastener that has reached the pre-tightening requirement needs to be manually marked after the preset value is reached, but the wrench with the above structure does not have a marking function, so the operator needs to carry an identification tool additionally, which greatly increases the number of tools to be carried and brings inconvenience to the operator. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rail transit vehicle fastener torque calibration device, which aims to solve the problem that the existing torque wrench does not have a marking function when in use, so the operator needs to carry an identification tool additionally, which greatly increases the number of tools to be carried and brings inconvenience to the operator.

[0006] In order to achieve the above object, the utility model provides a rail transit vehicle fastener torque calibration device, including torque wrench main part, still including identification subassembly,

[0007] The identification subassembly includes a handle, a mounting cylinder, a mounting plate, a micro electric push rod, a connecting plate, a limiting disc, an identification pen main body, a guide member and a limiting member, the handle is fixed to the tail of the shell of the torque wrench main body, and a through circular cavity is arranged in the handle, the mounting cylinder is fixedly connected with the handle and located at the tail of the handle, the mounting plate is fixedly connected with the mounting cylinder and located in the mounting cylinder, the micro electric push rod is electrically connected with the controller in the torque wrench main body and fixed to the mounting plate, the connecting plate is threadedly connected with the output end of the micro electric push rod and abuts against the inner bottom of the limiting disc, the limiting disc is fixed to the output end of the micro electric push rod through the connecting plate, the identification pen main body is arranged in the limiting disc through the limiting member, and the guide member is arranged on the side of the limiting disc close to the mounting plate.

[0008] The guide member includes a T-shaped sliding sleeve and a guide rod, the T-shaped sliding sleeve is fixedly connected with the mounting plate and located on the mounting plate, and the guide rod is threadedly connected with the limiting disc and slidably connected with the T-shaped sliding sleeve.

[0009] The limiting member includes an abutting ring and a limiting ring, the abutting ring is slidably connected with the limiting disc and abuts against the outer side of the shell of the identification pen main body, and the limiting ring is integrally formed with the abutting ring and detachably connected with the limiting disc.

[0010] The control button of the micro electric push rod is arranged on the operation key group area of the shell of the torque wrench main body.

[0011] The rail transit vehicle fastener torque calibration device further includes a protection assembly, the protection assembly includes a threaded ring and a protective cover, the threaded ring is fixedly connected with the handle, sleeved on the outer side of the fixed ring end of the mounting cylinder and consistent with the thickness of the fixed ring end of the mounting cylinder, and the protective cover is threadedly connected with the threaded ring and located on the side of the threaded ring close to the mounting cylinder.

[0012] The utility model discloses a rail transit vehicle fastener torque calibration device, when using torque wrench main part can be directly used for torque calibration, when needing to identify the fastener that meets the standard, control micro -electric push rod action can push the limit disc and move to the tail cavity mouth of handle, then, the operator can directly identify the fastener that needs to be identified through the identification pen main part and handle the identification processing, the application integrates the identification assembly in the handle inside, and through the telescopic action of micro -electric push rod realizes the push -out use or retraction of identification pen main part, thereby being favorable for operator to reduce the number of tool carrying, and then can solve the torque wrench of prior art when using not having the marking function, thereby needing the operator to carry the identification tool additionally, greatly increase the number of tool carrying, bring the inconvenient problem of operator use. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the application or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description.

[0014] Figure 1 It is the whole structure schematic diagram of rail transit vehicle fastener torque calibration device of the utility model first embodiment.

[0015] Figure 2 It is the section view of the handle of the utility model first embodiment.

[0016] Figure 3 It is the section view of the installation cylinder of the utility model first embodiment.

[0017] Figure 4 It is the setting position schematic diagram of identification pen main part of the utility model first embodiment.

[0018] Figure 5 It is the setting position schematic diagram of connecting plate of the utility model first embodiment.

[0019] Figure 6 It is the whole structure schematic diagram of rail transit vehicle fastener torque calibration device of the utility model second embodiment.

[0020] Figure 7 It is the setting position schematic diagram of screw ring of the utility model second embodiment.

[0021] In the drawing: 101-torque wrench main part, 102-handle, 103-installation cylinder, 104-installation plate, 105-micro -electric push rod, 106-connecting plate, 107-limit disc, 108-identification pen main part, 109-T-shaped sliding sleeve, 110-guide rod, 111-abutment ring, 112-limit ring, 201-screw ring, 202-shield. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0023] Embodiment one:

[0024] As shown in the figure, wherein Figures 1 to 5 is the overall structure diagram of the rail transit vehicle fastener torque calibration device, Figure 1 is the cross-sectional view of the handle 102, Figure 2 is the cross-sectional view of the mounting cylinder 103, Figure 3 is the setting position diagram of the marker pen body 108, Figure 4 is the setting position diagram of the connecting plate 106, the present application provides a rail transit vehicle fastener torque calibration device: including torque wrench body 101 and identification assembly, the identification assembly includes handle 102, mounting cylinder 103, mounting plate 104, micro electric push rod 105, connecting plate 106, limit disc 107, marker pen body 108, guide member and limiting member, the guide member includes T-shaped sliding sleeve 109 and guide rod 110, the limiting member includes abutting ring 111 and limiting ring 112. Through the foregoing scheme, the existing torque wrench without marking function when in use, so that the operator needs to carry additional identification tools, greatly increase the number of tool carrying, bring inconvenience to the operator using the problem can be solved, it can be understood that the foregoing scheme can help the operator to reduce the amount of tool carrying, more convenient for the operator to use. Figure 5 In the present embodiment, the torque wrench body 101 can be directly used in the prior art CN206216578U to realize the calibration of torque.

[0025]

[0026] ​The handle 102 is fixed at the tail of the shell of the torque wrench main body 101, and a through circular cavity is arranged inside the handle 102; the mounting cylinder 103 is fixedly connected with the handle 102 and located at the tail of the handle 102; the mounting plate 104 is fixedly connected with the mounting cylinder 103 and located in the mounting cylinder 103; the micro electric push rod 105 is electrically connected with the controller inside the torque wrench main body 101 and fixed on the mounting plate 104; the connecting plate 106 is threadedly connected with the output end of the micro electric push rod 105 and abuts against the inner bottom of the limiting disc 107; the limiting disc 107 is fixed on the output end of the micro electric push rod 105 through the connecting plate 106; the marker pen body 108 is arranged in the limiting disc 107 through the limiting member; and the guide member is arranged on the side of the limiting disc 107 close to the mounting plate 104. The handle 102 is in an I shape, the front disc is connected with the shell of the torque wrench main body 101 through a plurality of bolts to realize fixation, the mounting cylinder 103 is in a T shape, the fixing disc thereof is fixed on the handle 102 through bolts, the mounting plate 104 is fixedly connected in the mounting cylinder 103 through a plurality of bolts, the micro electric push rod 105 is fixed on the mounting plate 104 through bolts, the connecting plate 106 is in a T shape, the disc end thereof abuts against the limiting disc 107, and the threaded end of the front side thereof passes through the through hole of the limiting disc 107 and is connected with the threaded hole on the output end of the micro electric push rod 105, and the avoiding cavity of the connecting plate 106 is arranged on the disc of the T-shaped shell of the marker pen body 108. The guide member is used for assisting the movement of the limiting disc 107, and the limiting member is used for installing or replacing the marker pen body 108.

[0027] Secondly, the T-shaped sliding sleeve 109 is fixedly connected with the mounting plate 104 and located on the mounting plate 104; and the guide rod 110 is threadedly connected with the limiting disc 107 and slidably connected with the T-shaped sliding sleeve 109. A round hole is arranged on the mounting plate 104, so that the T-shaped sliding sleeve 109 is installed and matched through bolts; the front outer threaded end of the guide rod 110 is directly matched with the threaded hole on the limiting disc 107 to realize installation; and the side, away from the outer threaded end of the guide rod 110, can be rotated through an inner hexagonal wrench.

[0028] Then, the abutting ring 111 is slidably connected with the limiting disc 107 and abuts against the shell outside of the marker pen body 108; and the limiting ring 112 is integrally formed with the abutting ring 111 and detachably connected with the limiting disc 107. The abutting ring 111 and the limiting ring 112 are integrally formed in a T shape, finally fixed on the limiting ring 112 through bolts, so that the shell of the marker pen body 108 can be abutted and locked, and rotation in use is avoided.

[0029] Finally, the control button of the micro electric push rod 105 is arranged on the operation button group area of the shell of the torque wrench main body 101. The purpose of this structure is to facilitate centralized operation.

[0030] When the torque wrench main body 101 is used for torque calibration, if it is necessary to mark the fastener meeting the standard, the micro electric push rod 105 is controlled to act, and the limiting disc 107 is pushed to move, so that the marker pen main body 108 is pushed out of the tail cavity of the handle 102. The T-shaped sliding sleeve 109 and the guide rod 110 cooperate to improve stability when the limiting disc 107 moves. Then, the operator can directly mark the fastener to be marked by the marker pen main body 108. The identification assembly is directly integrated in the handle 102, so that it is not necessary to carry the marking tool when carrying, and the extension and retraction of the micro electric push rod 105 can realize the pushing out and retraction of the marker pen main body 108. Therefore, the operator can reduce the number of tools to be carried, and the problem that the existing torque wrench does not have a marking function when used, so that the operator needs to carry a marking tool, greatly increasing the number of tools to be carried, and causing inconvenience to the operator can be solved.

[0031] Embodiment Two:

[0032] As shown in Figure 6 and Figure 7 , wherein Figure 6 is a schematic diagram of the overall structure of the rail transit vehicle fastener torque calibration device, Figure 7 is a schematic diagram of the setting position of the threaded ring 201, and on the basis of the first embodiment, the utility model provides a rail transit vehicle fastener torque calibration device, the rail transit vehicle fastener torque calibration device further includes a protection assembly, the protection assembly includes a threaded ring 201 and a shield 202.

[0033] Wherein, the threaded ring 201 is fixedly connected with the handle 102 and is sleeved on the outer side of the fixed ring end portion of the mounting cylinder 103, and is consistent with the thickness of the fixed ring end portion of the mounting cylinder 103. The shield 202 is threadedly connected with the threaded ring 201 and is located on the side of the threaded ring 201 close to the mounting cylinder 103. The threaded ring 201 is fixed by bolts, and the internal thread cavity of the shield 202 is directly installed and matched with the external thread end portion on the threaded ring 201.

[0034] In the embodiment, the thread ring 201 and the shield 202 are arranged, so that the tip of the marker pen body 108 can be protected after the marker pen body 108 is stored, and the shield 202 can be directly rotated and removed before the marker pen body 108 is used, which is convenient and fast.

[0035] The above disclosure is only one or more preferred embodiments of the application, and cannot limit the scope of the application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. A rail transit vehicle fastener torque calibration device, comprising a torque wrench main body, characterized in that: It also includes an identification component; The identification component includes a handle, a mounting cylinder, a mounting plate, a micro electric push rod, a connecting plate, a limiting disc, an identification pen main body, a guide member and a limiting member, the handle is fixed at the tail of the shell of the torque wrench main body, and a through circular cavity is arranged in the handle, the mounting cylinder is fixedly connected with the handle and located at the tail of the handle, the mounting plate is fixedly connected with the mounting cylinder and located in the mounting cylinder, the micro electric push rod is electrically connected with the controller in the torque wrench main body and fixed on the mounting plate, the connecting plate is threadedly connected with the output end of the micro electric push rod and abuts against the inner bottom of the limiting disc, the limiting disc is fixed on the output end of the micro electric push rod through the connecting plate, the identification pen main body is arranged in the limiting disc through the limiting member, and the guide member is arranged on the side of the limiting disc close to the mounting plate.

2. The rail transit vehicle fastener torque calibration device according to claim 1, characterized in that: The guide member includes a T-shaped sliding sleeve and a guide rod, the T-shaped sliding sleeve is fixedly connected with the mounting plate and located on the mounting plate, and the guide rod is threadedly connected with the limiting disc and slidably connected with the T-shaped sliding sleeve.

3. The rail transit vehicle fastener torque calibration device according to claim 1, characterized in that: The limiting member includes an abutting ring and a limiting ring, the abutting ring is slidably connected with the limiting disc and abuts against the outer side of the shell of the identification pen main body, and the limiting ring is integrally formed with the abutting ring and detachably connected with the limiting disc.

4. The rail transit vehicle fastener torque calibration device according to claim 1, characterized in that: The control button of the micro electric push rod is arranged on the operation button group area of the shell of the torque wrench main body.

5. The railcar fastener torque calibration apparatus of claim 1, wherein : The rail transit vehicle fastener torque calibration device further comprises a protection component, the protection component includes a threaded ring and a protective cover, the threaded ring is fixedly connected with the handle, sleeved on the outer side of the fixed ring end of the mounting cylinder, and consistent with the thickness of the fixed ring end of the mounting cylinder, and the protective cover is threadedly connected with the threaded ring and located on the side of the threaded ring close to the mounting cylinder.

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