CN210414321U - Bolt fastening wrench for anti-climbing pull rod of railway steel rail - Google Patents
Bolt fastening wrench for anti-climbing pull rod of railway steel rail Download PDFInfo
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- CN210414321U CN210414321U CN201921430925.4U CN201921430925U CN210414321U CN 210414321 U CN210414321 U CN 210414321U CN 201921430925 U CN201921430925 U CN 201921430925U CN 210414321 U CN210414321 U CN 210414321U
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Abstract
The utility model relates to a be used for railway rail anti-creep pull rod bolt fastening spanner belongs to operation tool articles for use field. The transmission mechanism comprises a body (1) and a transmission assembly, wherein the end part of the body (1) is provided with a stepped mounting hole A (6) with an opening; the transmission assembly comprises a clamping gear (2) and a one-way rotating part, wherein the clamping gear (2) is radially provided with a bayonet, the clamping gear (2) is arranged in a mounting hole A (6), the opening width of the mounting hole A (6) is smaller than the maximum outer diameter of the clamping gear (2), and the one-way rotating part can enable the clamping gear (2) to rotate in one direction. This device is arranged joint tooth (2) wheel in mounting hole A (6), and the step face through mounting hole A (6) supports, guarantees that the opening width of mounting hole A (6) is less than the biggest external diameter of joint gear (2) for joint gear (2) are through the one-way rotation of one-way rotating assembly, makes this device be opening ratchet spanner structure, solves the problem that the difficult dismouting of inconvenient nut was established to current cover.
Description
Technical Field
The utility model relates to a be used for railway rail anti-creep pull rod bolt fastening spanner belongs to operation tool articles for use field.
Background
The rail anti-creep pull rod is mainly used for connecting two rails and is usually realized by arranging longer nuts at two ends of the pull rod in order to prevent the nuts from sliding off. Because the lower end of the steel rail can be paved with stones. Due to the limited operation space, the screw cap is inconvenient and reliable to remove, the labor intensity is high, the operation time is long, and the efficiency is low. The existing wrench is slow in speed and cannot improve working efficiency, 1.5 minutes is needed for withdrawing one nut, and the existing wrench is low in efficiency because the existing wrench needs to be moved and withdrawn one turn of screw thread for repeated moving.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the end of railway rail anti-creep pull rod is long apart from the nut, the space is little, and current spanner dismouting is inconvenient.
The utility model provides a technical scheme that its technical problem adopted is: a bolt fastening wrench for an anti-climbing pull rod of a railway steel rail comprises a body and a transmission assembly, wherein the end part of the body is provided with a mounting hole A with an open end and a step-shaped structure; the transmission assembly comprises a clamping gear and at least one group of one-way rotating parts, wherein the clamping gear is radially provided with a bayonet, the clamping gear is arranged in a mounting hole A, the opening width of the mounting hole A is smaller than the maximum outer diameter of the clamping gear, and the one-way rotating parts can enable the clamping gear to rotate in one direction.
Wherein, among the above-mentioned device unidirectional rotation piece is including connecting gear and unidirectional rotation control piece, the mounting hole A outside is provided with rather than tangent mounting hole B, and connecting gear arranges in mounting hole B to with joint gear engagement, unidirectional rotation control piece can make mounting hole B unidirectional rotation.
The unidirectional rotation control piece in the device comprises a fixed rod and a unidirectional bearing, the fixed rod is vertically arranged on the bottom surface of the mounting hole B, an inner ring of the unidirectional bearing is sleeved on the fixed rod and fixedly connected with the fixed rod, and an outer ring of the unidirectional bearing is sleeved in a middle hole connected with the connecting gear and fixedly connected with the inner wall of the middle hole.
Wherein, the above-mentioned device the one-way rotating member is two sets.
Further, in the above device, the one-way rotating pieces are symmetrically arranged at the open end of the mounting hole A.
The bayonet of the clamping gear in the device is in a U-shaped structure, and the bottom surface of the bayonet is formed by two surfaces with an included angle of 120 degrees, so that the whole bayonet is in a shape of a regular hexagon without two adjacent edges.
Further, the distance between the outer end part of the inner side wall of the bayonet and a bending point of the bottom edge in the device is larger than the diameter of a circumscribed circle of the bottom surface.
Further, still include the apron among the above-mentioned device, the apron can be dismantled with the body and be connected for transmission assembly sets up in mounting hole A.
Furthermore, one side of the cover plate in the device is provided with at least one positioning piece with a tubular structure.
Wherein, the central angle of the mounting hole A in the device is larger than 180 degrees and smaller than or equal to 300 degrees.
The utility model has the advantages that: the device is characterized in that a clamping gear is arranged in a mounting hole A and supported by a step surface of the mounting hole A, the opening width of the mounting hole A is ensured to be smaller than the maximum outer diameter of the clamping gear, so that the clamping gear rotates unidirectionally through a unidirectional rotating assembly, the device is in an open ratchet wrench structure, the structure refers to the working principle of an adjustable wrench, the multi-point type tooth mouth design is further improved, the rotating direction is unidirectionally controlled, convenience is realized, and the efficiency is improved; the core gear is hardened, so that the torque is large and the toughness is good; the traditional adjustable wrench is changed, and the opening distance is adjusted by hands to be suitable for the screw cap.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the body of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 with a cover plate according to the present invention;
figure 4 is an exploded view of figure 3 in accordance with the present invention;
FIG. 5 is a schematic front view of the structure of FIG. 1 according to the present invention;
FIG. 6 is a schematic view of the rotary structure of the latch gear of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the clamping gear of FIG. 5 rotated 180 degrees according to the present invention;
FIG. 8 is a schematic structural view of a single connecting gear of the present invention;
FIG. 9 is a schematic view of the body structure of FIG. 8 according to the present invention;
FIG. 10 is a schematic view of the cover plate of FIG. 8 according to the present invention;
fig. 11 is an exploded view of fig. 10 according to the present invention.
Reference numerals: 1 is the body, 2 is the joint gear, 3 is the connecting gear, 4 is the apron, 41 go up the setting element, 42 is the through-hole, 5 is one-way bearing, 6 is mounting hole A, 7 is mounting hole B, 8 is the dead lever.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 11, the utility model discloses a bolt fastening wrench for an anti-climbing pull rod of a railway steel rail, which comprises a body 1 and a transmission assembly, wherein the end of the body 1 is provided with a mounting hole a6 with a ladder-shaped structure with an opening at one end; drive assembly includes joint gear 2 and at least a set of one-way rotation piece, joint gear 2 radially is provided with the bayonet socket, and joint gear 2 arranges the mounting hole A6 in, mounting hole A6's opening width is less than joint gear 2's the biggest external diameter, one-way rotation piece can make joint gear 2 unidirectional rotation. As can be understood by those skilled in the art, the device is provided with a mounting hole a6 with a stepped structure at one end of the body 1, and one side of the mounting hole a6 is open, and the opening direction is preferably consistent with the length direction of the body 1; the clamping gear 2 is provided with a bayonet which is mainly used for being connected with a nut, so that the shape of the bayonet is matched with that of the nut, the width of the bayonet is smaller than that of an opening of the mounting hole A6, the clamping gear 2 is directly arranged in the mounting hole A6, and the clamping gear 2 can be supported through a step surface of the mounting hole A6. And the opening width of the mounting hole A6 is smaller than the maximum outer diameter of the clamping gear 2, and the unidirectional rotating piece can enable the clamping gear 2 to rotate in a unidirectional mode. So that the clamping gear 2 is clamped in the mounting hole A6 to rotate and cannot slide out from the opening of the mounting hole A6. It is preferable that the body 1 is a solid wrench structure having one end with a size, and the mounting hole a6 is formed at the large end of the body 1. When this kind of structure in-service use, prevent joint gear 2 to the body 1 through one-way rotation piece and move the direction rotation, and when body 1 reverse motion resets, 2 bayonet sockets of joint gear are direct and the nut is fixed motionless, and body 1 removes just also the case when rotating for body 1 with joint gear 2, and mounting hole A6 can be stretched out to the one end of joint gear 2 to realize that the unidirectional motion of joint gear 2 realizes twisting of nut and moves. And realize the unidirectional rotation of joint gear 2 and realize twisting of nut and move, no matter when the unidirectional rotation piece be several groups, all should guarantee that joint gear 2 contacts with the unidirectional rotation piece all the time when the operation.
Preferably, the above device, the unidirectional rotation piece includes a connection gear 3 and a unidirectional rotation control piece, the mounting hole B7 is provided outside the mounting hole a6 and is tangent to the mounting hole a, the connection gear 3 is disposed in the mounting hole B7 and is engaged with the clamping gear 2, and the unidirectional rotation control piece can make the mounting hole B7 rotate in one direction. It can be understood by those skilled in the art that the present device is only a specific component of the preferred unidirectional rotation component, the mounting hole B7 is provided outside the mounting hole a6, and the mounting hole B7 is tangent to the mounting hole a6, while the connecting gear 3 is directly provided in the mounting hole B7, the unidirectional rotation of the connecting gear 3 is realized by the unidirectional rotation control piece, and the connecting gear 3 is meshed with the clamping gear 2, so that the clamping gear 2 can only rotate in one direction.
Preferably, in the above device, the unidirectional rotation control member includes a fixing rod 8 and a unidirectional bearing 5, the fixing rod 8 is vertically disposed on the bottom surface of the mounting hole B7, an inner ring of the unidirectional bearing 5 is sleeved on the fixing rod 8 and is fixedly connected with the fixing rod 8, and an outer ring is sleeved in a central hole connected to the connecting gear 3 and is fixedly connected with an inner wall thereof. It can be understood by those skilled in the art that the present device is only a specific component of the preferred unidirectional rotation control member, the fixing rod 8 is vertically disposed in the mounting hole B7, and the joint is located at the center of the mounting hole B7, and the inner ring of the unidirectional bearing 5 is sleeved on the fixing rod 8 and fixedly connected with the fixing rod 8, and since the connecting gear 3 is a standard gear structure, the center thereof is provided with a mounting and connecting hole, so that the outer ring of the unidirectional bearing 5 is sleeved in the middle hole connected with the connecting gear 3 and fixedly connected with the inner wall thereof. The structural arrangement is such that the connecting gear 3 realizes unidirectional rotation through the unidirectional bearing 5.
Preferably, the above device has two sets of unidirectional rotating members. As can be understood by those skilled in the art, considering the rotation angle of the clamping gear 2 relative to the body 1, the device preferably has two sets of unidirectional rotation parts, and ensures that the clamping gear 2 can be contacted with the unidirectional rotation parts when the clamping gear 2 rotates relative to the body 1, so as to realize unidirectional rotation.
Preferably, the above-mentioned device is arranged in the one-way rotating member symmetrically at the open end of the mounting hole a 6. It will be appreciated by those skilled in the art that in order to provide uniform forces on the ratchet wheel 2 during rotation, wear of the tooth surfaces and the step surfaces of the mounting hole a6 is avoided. It is preferable that the unidirectional rotation member be symmetrically disposed at the open end of the mounting hole a 6.
Preferably, in the above device, the bayonet of the latch gear 2 is in a U-shaped structure, and the bottom surface of the bayonet is formed by two surfaces with an included angle of 120 °, so that the whole bayonet is in a regular hexagon shape with two adjacent edges removed. As will be understood by those skilled in the art, since the bayonet is mainly used for clamping the nut, it is preferable that the opening of the clamping gear 2 is a U-shaped opening of the clamping gear 2, and the bottom surface of the bayonet is formed by two faces with an included angle of 120 °, so that the whole bayonet is in a regular hexagon shape with two adjacent sides removed.
Preferably, in the device, the distance from the outer end part of the inner side wall of the bayonet to the bending point of the bottom edge is greater than the diameter of the circumscribed circle of the bottom surface. It will be appreciated by those skilled in the art that, in order to avoid interference between the end of the nut away from the bottom surface of the bayonet and the body 1 when the nut is removed, the distance between the outer end of the inner side wall of the bayonet and the bending point of the bottom edge in the above device is preferably greater than the diameter of the circle circumscribed to the bottom surface, so that the nut can rotate freely in the mounting hole a6 when the nut is removed.
Preferably, the device further comprises a cover plate 4, wherein the cover plate 4 is detachably connected with the body 1, so that the transmission assembly is arranged in the mounting hole A6. As can be understood by those skilled in the art, the device is also preferably provided with a cover plate 4, a plurality of through holes 42 can be arranged on the cover plate 4 at intervals, and meanwhile, threaded holes are correspondingly arranged on the body 1, so that the cover plate 4 can be connected with the body 1 in a detachable mode through screws. This ensures that the transmission assembly is disposed in the mounting hole A6, and prevents the transmission assembly from slipping off and affecting the use.
Preferably, in the above device, at least one tubular positioning member 41 is arranged on one side of the cover plate 4. It will be understood by those skilled in the art that, in order to facilitate the quick installation of the cover plate 4 to the body 1, the device is further preferably provided with at least one positioning member 41 having a tubular structure at one side of the cover plate 4, and the positioning of the cover plate 4 can be achieved by snapping the positioning member 41 into the installation hole B7.
Preferably, the central angle of the mounting hole a6 in the above device is greater than 180 ° and less than or equal to 300 °. As can be understood by those skilled in the art, the structural arrangement can increase the contact area between the clamping gear 2 and the step surface in the mounting hole A6, ensure that the lower end surface of the clamping gear 2 is always in contact with and coplanar with the step surface of the mounting hole when the clamping gear 2 is in use, and ensure that the whole structure operates stably when in use.
Claims (10)
1. The utility model provides a be used for railway rail anti-creep pull rod bolt fastening spanner, includes body (1), its characterized in that: the transmission mechanism is characterized by also comprising a transmission assembly, wherein the end part of the body (1) is provided with a mounting hole A (6) with an open end and a step-shaped structure; the transmission assembly comprises a clamping gear (2) and at least one group of one-way rotating parts, wherein the clamping gear (2) is radially provided with a bayonet, the clamping gear (2) is arranged in a mounting hole A (6), the opening width of the mounting hole A (6) is smaller than the maximum outer diameter of the clamping gear (2), and the one-way rotating parts can enable the clamping gear (2) to rotate in one direction.
2. The anti-creep tie bolt fastening wrench for railway rails according to claim 1, wherein: one-way rotation piece is including connecting gear (3) and one-way rotation control piece, the mounting hole A (6) outside is provided with rather than tangent mounting hole B (7), connects in gear (3) arranges mounting hole B (7) in to with joint gear (2) meshing, one-way rotation control piece can make mounting hole B (7) unidirectional rotation.
3. The spanner for fastening bolts to railway rails for preventing a tension rod according to claim 2, wherein: the unidirectional rotation control piece comprises a fixing rod (8) and a unidirectional bearing (5), the fixing rod (8) is vertically arranged on the bottom surface of the mounting hole B (7), the inner ring of the unidirectional bearing (5) is sleeved on the fixing rod (8) and fixedly connected with the fixing rod (8), and the outer ring is sleeved in a middle hole connected with the connecting gear (3) and fixedly connected with the inner wall of the middle hole.
4. A spanner for fastening bolts of anti-creep tie rods for railway rails according to any one of claims 1 to 3, wherein: the one-way rotating pieces are divided into two groups.
5. The anti-creep tie bolt fastening wrench for a railway steel rail according to claim 4, wherein: the one-way rotating pieces are symmetrically arranged at the opening ends of the mounting holes A (6).
6. The anti-creep tie bolt fastening wrench for railway rails according to claim 1, wherein: the bayonet of joint gear (2) shape is U-shaped structure, and the bottom surface of bayonet socket constitutes for two contained angles are 120 faces for whole bayonet socket is the regular hexagon shape of removing behind two adjacent sides.
7. The anti-creep tie bolt fastening wrench for a railway steel rail according to claim 6, wherein: the distance between the outer end part of the inner side wall of the bayonet and the bending point of the bottom edge is larger than the diameter of the circumscribed circle of the bottom surface.
8. A spanner for fastening bolts to railway rails for preventing their climbing according to claim 3, characterized in that: still include apron (4), apron (4) and body (1) detachable connection for transmission assembly sets up in mounting hole A (6).
9. The anti-creep tie bolt fastening wrench for a railway steel rail according to claim 8, wherein: one side of the cover plate (4) is provided with at least one positioning piece (41) with a tubular structure.
10. The anti-creep tie bolt fastening wrench for railway rails according to claim 1, wherein: the central angle of the mounting hole A (6) is larger than 180 degrees and smaller than or equal to 300 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430925.4U CN210414321U (en) | 2019-08-30 | 2019-08-30 | Bolt fastening wrench for anti-climbing pull rod of railway steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430925.4U CN210414321U (en) | 2019-08-30 | 2019-08-30 | Bolt fastening wrench for anti-climbing pull rod of railway steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210414321U true CN210414321U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921430925.4U Active CN210414321U (en) | 2019-08-30 | 2019-08-30 | Bolt fastening wrench for anti-climbing pull rod of railway steel rail |
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| Country | Link |
|---|---|
| CN (1) | CN210414321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394755A (en) * | 2019-08-30 | 2019-11-01 | 攀钢集团矿业有限公司 | One kind being used for railway track anti-creep stay-bolt spanner |
-
2019
- 2019-08-30 CN CN201921430925.4U patent/CN210414321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394755A (en) * | 2019-08-30 | 2019-11-01 | 攀钢集团矿业有限公司 | One kind being used for railway track anti-creep stay-bolt spanner |
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