CN210389639U - Pre-buried iron seat positioning and fixing device and elastic supporting block processing die - Google Patents
Pre-buried iron seat positioning and fixing device and elastic supporting block processing die Download PDFInfo
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- CN210389639U CN210389639U CN201921112361.XU CN201921112361U CN210389639U CN 210389639 U CN210389639 U CN 210389639U CN 201921112361 U CN201921112361 U CN 201921112361U CN 210389639 U CN210389639 U CN 210389639U
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Abstract
The utility model discloses a positioning and fixing device for pre-buried iron seats, which is characterized in that two pre-buried iron seats are extended upwards from a casting shell when in use, and the inner side surfaces of the pre-buried iron seats are respectively clung to positioning end surfaces on positioning seats; and the movable pressing plate is placed on the positioning seat, the fastening screw rod is rotated, the bolt head extends into the dovetail groove of the embedded iron seat, the locking nut is rotated, the bolt head upwards pulls the embedded iron seat, the embedded iron seat is upwards tensioned and tightly attached to the casting shell to be fixed, and casting can be carried out after the embedded iron seat is fixed. Through set up spacing step on tightly deciding the screw rod, when lock nut forward or during the opposite direction is rotatory, spacing step card prevents tightly deciding the screw rod rotatory in the upper shed of pre-buried iron seat, reaches the purpose of locking or loosening pre-buried iron seat, realizes that the tight screw rod among the accurate positioning device can use in narrow and small space. The utility model also provides an elastic support piece mold processing who contains above-mentioned pre-buried iron seat location fixing device, has the same technological effect.
Description
Technical Field
The utility model relates to a track manufacturing technology field, more specifically relate to a pre-buried iron seat positioning and fixing device. Furthermore, the utility model discloses still relate to an elastic support piece mold processing. .
Background
In a ballastless track system, the heavy pressure generated when a train runs is transmitted to an elastic supporting block through two steel rails, then transmitted to a ballastless track bed through the elastic supporting block, and finally transmitted to the ground through the ballastless track bed to be eliminated, so that the track gauge of the two steel rails of the train must meet the strict design requirement, and the train can overturn and have serious consequences if the track gauge of the steel rails does not meet the requirement.
The train steel rail is fixed between two embedded iron seats in the elastic supporting block through the spike, the embedded iron seats are embedded in the elastic supporting block and form a whole with the elastic supporting block, the distance between the embedded iron seats and the top surface of the elastic supporting block and the distance between the embedded iron seats and the embedded iron seats in the elastic supporting block product are required, parameters such as the verticality of the inner side surfaces of the embedded iron seats and the top surface of the elastic supporting block and the like all meet strict design requirements, the embedded iron seats in the elastic supporting block must be accurately positioned to meet the strict design requirements, and the fastening screw in the accurate positioning device is a key part.
At present, a fastening screw of the accurate positioning device for the embedded iron seat is taken out of and put into the side surface of the embedded iron seat, is only suitable for being used in a relatively large space and is not suitable for being used in a narrow space.
Therefore, how to realize that the fastening screw in the precise positioning device can be used in a narrow space, and simultaneously ensure that the pre-buried iron seat can be reliably locked is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a pre-buried iron seat location fixing device, realize that the tight screw rod of deciding among the accurate positioning device can use in narrow and small space, ensure simultaneously that can lock the pre-buried iron seat reliably.
A pre-buried iron seat positioning and fixing device comprises a positioning seat fixed on the top surface of a pouring shell, wherein two ends of the positioning seat are respectively provided with a positioning end surface which is attached to the inner side surfaces of two pre-buried iron seats to position a transverse position, and the top end of the positioning seat is provided with a positioning top surface used for positioning the vertical position of the pre-buried iron seat;
the movable pressing plate is provided with two notches, and fastening screws are inserted into the notches;
the locking nut is connected to the tightening screw rod in a threaded fit manner; the bolt head of the fastening screw rod and the locking nut are respectively positioned on two sides of the movable pressure plate;
the bolt head is provided with two binding surfaces which can be attached to the inclined plane of the dovetail groove of the pre-buried iron seat, and the bolt head can extend into or move out of the dovetail groove when the fastening screw rod rotates;
the upper bottom surface of the bolt head is provided with a limiting step which can be attached to the upper opening of the embedded iron seat, and the bolt head can be clamped in the upper opening by the limiting step when the tightening screw rotates.
Preferably, the bolt head is provided with two limiting steps, and the two limiting steps are arranged along opposite angles of the bolt head.
Preferably, the limiting step is provided with a first limiting surface and a second limiting surface;
when the tightening screw rotates clockwise, the first limiting surface is attached to the inner wall of the upper opening;
when the tightening screw rotates anticlockwise, the second limiting surface is attached to the inner wall of the upper opening.
Preferably, the limiting step is detachably connected with the bolt head.
Preferably, the two ends of the movable pressing plate are respectively provided with a positioning stop block bent downwards, and the positioning stop blocks can be attached to and positioned on the outer side surfaces of the embedded iron seats.
Furthermore, the positioning seat is a groove shape surrounded by a bottom plate and two side plates, and the bottom plate is welded and fixed with the upper surface of the pouring shell.
Furthermore, the bottom end of the locking nut is integrally provided with a flat plate which is used for being attached to the upper surface of the movable pressing plate.
In addition, the utility model also provides an elastic supporting block processing mould, including the pouring casing, the through-hole that is used for making pre-buried iron seat upwards stretch out is seted up to the upper surface of pouring casing, the locating surface on the pre-buried iron seat can with the upper surface laminating of pouring casing inner chamber is limited; still include above-mentioned arbitrary pre-buried iron seat location fixing device.
The utility model provides a pre-buried iron seat location fixing device, through set up spacing step on tightly deciding the screw rod, tightly decide the screw rod and get into the dovetail from the upper shed of pre-buried iron seat, when lock nut forward or when the opposite direction is rotatory, spacing step card prevents in the upper shed of pre-buried iron seat that tightly decides the screw rod rotatory, reach the purpose of locking or loosening pre-buried iron seat, realize that tightly deciding the screw rod among the accurate positioning device can use in narrow and small space, only need rotate in the original place, can ensure to lock pre-buried iron seat reliably, make product each item parameter reach the designing requirement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a positioning and fixing device for a pre-buried iron seat in an embodiment of the present invention;
fig. 2 is a schematic structural view of a pre-buried iron seat in the embodiment of the present invention;
fig. 3 is a schematic structural view of a bolt head in an embodiment of the present invention;
fig. 4 is a schematic view of the locking nut rotating clockwise to tighten the pre-buried iron seat in the embodiment of the present invention;
fig. 5 is a schematic view illustrating that the locknut rotates counterclockwise to loosen the pre-buried iron seat in the embodiment of the present invention;
fig. 6 is a specific structure diagram of the positioning seat in the embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 to 5, the utility model provides a positioning and fixing device for pre-buried iron seat, which comprises a positioning seat 2 fixed on the top surface of a casting shell 1, wherein both ends of the positioning seat 2 are respectively provided with a positioning end surface 21 which is attached to the inner side surfaces of two pre-buried iron seats 3 for positioning the transverse position, and the top end of the positioning seat 2 is provided with a positioning top surface 22 for positioning the vertical position of the pre-buried iron seat 3;
the clamping device also comprises a movable pressing plate 4, two notches 41 are formed in the movable pressing plate, and fastening screws 5 are inserted into the notches 41;
the locking nut 6 is connected to the tightening screw rod 5 in a threaded fit manner; the bolt head 51 and the locking nut 6 of the fastening screw rod 5 are respectively positioned at two sides of the movable pressure plate 4;
the bolt head 51 is provided with two binding surfaces 511 which can be jointed with the inclined surfaces of the dovetail grooves 31 of the pre-buried iron seat 3, and the bolt head 51 can extend into or move out of the dovetail grooves 31 when the fastening screw rod 5 rotates;
the upper bottom surface 52 of the bolt head 51 is provided with a limiting step 512 which can be attached to the upper opening 32 of the embedded iron seat 3, and the bolt head 51 can be clamped in the upper opening 32 by the limiting step 512 when the fastening screw 5 rotates.
According to the positioning and fixing device for the embedded iron bases, two embedded iron bases are respectively attached to the positioning end face of the positioning base in an assembling process, and the distance between the two embedded iron bases can be limited; the top end of the positioning seat is provided with a positioning top surface for positioning the vertical position of the embedded iron seat, and the movable pressing plate is pressed on the positioning top surface during assembly; a fastening screw rod is inserted and arranged in the notch of the movable pressing plate, namely the vertical position of the fastening screw rod is kept unchanged; the bolt head and the lock nut of the tightening screw rod are respectively positioned on two sides of the movable pressing plate, the bolt head is provided with two inclined binding surfaces, and the binding surfaces can be just bound with the inclined surfaces of the dovetail grooves to support the embedded iron seat.
When the device is used, the two embedded iron seats 3 extend upwards out of the casting shell 1, the inner side surfaces of the two embedded iron seats 3 are respectively tightly attached to the positioning end surfaces 21 of the end parts of the positioning seats 2, and the distance between the two embedded iron seats 3 is determined; and the movable pressing plate 4 preassembled with the fastening screw rod 5 and the locking nut 6 is placed on the positioning seat 2, and the lower surface of the movable pressing plate 4 is contacted with the positioning top surface 22 of the positioning seat 2, so that the vertical position of the movable pressing plate 4 is determined.
When the movable pressing plate 4 is placed, the fastening screw rod 5 is rotated clockwise, so that the bolt head 51 extends into a dovetail groove of the embedded iron seat 3, the locking nut 6 sleeved on the bolt rod 52 is rotated, the distance between the locking nut 6 and the bolt head 51 is reduced, the locking nut 6 cannot move downwards due to the limit of the movable pressing plate 4, so that the bolt head 51 moves upwards, the embedded iron seat 3 is pulled to move upwards, the embedded iron seat 3 is tensioned upwards and is tightly attached to the upper surface of the inner cavity of the pouring shell 1 until the locking nut 6 is screwed, and the vertical position of the embedded iron seat 3 is positioned; after the fixing, the pouring can be carried out, materials such as concrete and the like are injected into the pouring shell 1, the locking nut 6 is firstly released until the materials are solidified, the fastening screw rod 5 is rotated anticlockwise, the bolt head 51 is deviated from the embedded iron seat 3, the movable pressing plate 4 can be taken down, and the detachment of the movable pressing plate 4 and the fastening screw rod 5 is completed.
The existing tightening screw rod 5 is transversely moved through a long-strip notch on the movable pressing plate 4 when being fixed and locked, is taken out and put into the side face of the embedded iron seat 3, is only suitable for being used under the condition that the space is relatively large, and is not suitable for being used in narrow space.
In the embodiment, the limiting step 512 is arranged on the fastening screw rod 5, the fastening screw rod 5 enters the dovetail groove 31 from the upper opening 32 of the embedded iron seat 3, when the locking nut 6 rotates forwards or reversely, the limiting step 512 is clamped in the upper opening 32 of the embedded iron seat 3 to prevent the fastening screw rod 5 from rotating, the purpose of locking or loosening the embedded iron seat 3 is achieved, the fastening screw rod 5 in the accurate positioning device can be used in a narrow space, only the rotation in situ is needed, the embedded iron seat 3 can be reliably locked, and various parameters of a product can meet design requirements.
In practical application, the limiting step 512 can adopt a plurality of modes or structures for limiting, for example, the limiting step 512 in this embodiment is disposed on the upper bottom surface 52 of the bolt head 51, and has a suitable height, and the vertical height of the limiting step is higher than the upper surface of the fitting surface 511, so that when the tightening screw 5 rotates to a certain degree, one surface of the tightening screw is fitted with the upper opening 32 of the pre-buried iron seat 3, the tightening screw 5 is clamped in the upper opening 32, and the vertical height of the tightening screw is lower than the height of the upper opening 32, so as to avoid affecting the rotation of the tightening screw 5.
In one embodiment of this embodiment, as shown in fig. 2, the bolt head 51 is provided with two limiting steps 512, and the two limiting steps 512 are diagonally arranged along the bolt head 51, so that the two limiting steps diagonally arranged can better limit the tightening screw.
In one embodiment of the present embodiment, as shown in fig. 2, the limiting step 512 is provided with a first limiting surface 513 and a second limiting surface 514;
when the tightening screw 5 rotates clockwise, the first limiting surface 513 is attached to the inner wall of the upper opening 32;
when the tightening screw 5 rotates counterclockwise, the second limiting surface 514 is attached to the inner wall of the upper opening 32.
In practical application, first spacing face 513 and the spacing face 514 mutually perpendicular of second for tightly decide screw 5 no matter clockwise rotation or anticlockwise rotation, can both ensure that the one side in first spacing face 513 and the spacing face 514 of second can laminate with the last opening 32 of pre-buried iron stand, realize the limiting displacement to tightly decide screw 5.
In one embodiment of this embodiment, the limiting step 512 is detachably connected to the bolt head 51, so that the corresponding limiting step 512 can be replaced according to different sizes or kinds of embedded iron bases.
In one embodiment of this embodiment, as shown in fig. 4 and 5, two ends of the movable platen 4 are respectively provided with a positioning stopper 42 bent downward, and the positioning stoppers 42 can be attached to the outer side surfaces of the two embedded iron seats 3 for positioning.
During assembly, as shown in fig. 6, the positioning end face 21 defines the inner side face of the embedded iron seat 3, the positioning stopper 42 defines the outer side face of the embedded iron seat 3, and for one embedded iron seat 3, the two sides are respectively limited by the positioning stopper 42 and the positioning end 21, so that the positioning precision can be further improved.
Furthermore, in order to reduce the material cost, the positioning seat 2 is a groove shape surrounded by a bottom plate and two side plates, and the bottom plate is welded and fixed with the upper surface of the pouring shell 1. The two are fixed into a whole. In addition to welding, the fixing may be performed by a connection form such as a bolt.
Further, the bottom end integral type setting of lock nut 6 is used for the dull and stereotyped with the laminating of the upper surface of activity clamp plate 4 for have bigger area of contact between dull and stereotyped and the activity clamp plate 4, can fix more stably.
In addition, the utility model also provides an elastic supporting block processing mould, including the pouring casing 1, the upper surface of the pouring casing 1 is provided with a through hole for the pre-buried iron seat 3 to extend upwards, the positioning surface on the pre-buried iron seat 3 can be fit and limited with the upper surface of the inner cavity of the pouring casing 1; still include foretell pre-buried iron seat positioning fixing device, this mold processing can realize foretell technological effect.
It is right above that the utility model provides a pre-buried iron seat positioning and fixing device and elastic support piece mold processing introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The positioning and fixing device for the embedded iron seats is characterized by comprising a positioning seat (2) fixed on the top surface of a pouring shell (1), wherein two ends of the positioning seat (2) are respectively provided with a positioning end surface (21) which is attached to the inner side surfaces of two embedded iron seats (3) to position the transverse position, and the top end of the positioning seat (2) is provided with a positioning top surface (22) used for positioning the vertical position of the embedded iron seats (3);
the clamping device also comprises a movable pressing plate (4), two notches (41) are formed in the movable pressing plate, and fastening screws (5) are inserted into the notches (41);
the locking nut (6) is connected to the tightening screw rod (5) in a threaded fit manner; the bolt head (51) of the fastening screw rod (5) and the locking nut (6) are respectively positioned at two sides of the movable pressure plate (4);
the bolt head (51) is provided with two binding surfaces (511) which can be attached to the inclined surfaces of the dovetail grooves (31) of the embedded iron base (3), and the bolt head (51) can extend into or move out of the dovetail grooves (31) when the fastening screw rod (5) rotates;
the upper bottom surface (52) of the bolt head (51) is provided with a limiting step (512) which can be attached to the upper opening (32) of the embedded iron seat (3), and the bolt head (51) can be clamped in the upper opening (32) by the limiting step (512) when the fastening screw rod (5) rotates.
2. The positioning and fixing device for the embedded iron seat as claimed in claim 1, wherein the bolt head (51) is provided with two limiting steps (512), and the two limiting steps (512) are arranged diagonally along the bolt head (51).
3. The positioning and fixing device for the embedded iron seat as claimed in claim 1, wherein the limiting step (512) is provided with a first limiting surface (513) and a second limiting surface (514);
when the tightening screw (5) rotates clockwise, the first limiting surface (513) is attached to the inner wall of the upper opening (32);
when the tightening screw rod (5) rotates anticlockwise, the second limiting surface (514) is attached to the inner wall of the upper opening (32).
4. The positioning and fixing device for the embedded iron seat as claimed in claim 1, wherein the limiting step (512) is detachably connected with the bolt head (51).
5. The positioning and fixing device for the embedded iron bases according to claim 1, wherein two ends of the movable pressing plate (4) are respectively provided with a positioning stop block (42) bent downwards, and the positioning stop blocks (42) can be attached to and positioned on the outer side surfaces of the two embedded iron bases (3).
6. The positioning and fixing device for the embedded iron seat according to claim 5, wherein the positioning seat (2) is a groove shape surrounded by a bottom plate and two side plates, and the bottom plate is welded and fixed with the upper surface of the pouring shell (1).
7. The positioning and fixing device for the embedded iron seat as claimed in claim 6, wherein the bottom end of the locking nut (6) is integrally provided with a flat plate for being attached to the upper surface of the movable pressing plate (4).
8. The processing mold for the elastic supporting block is characterized by comprising a pouring shell (1), wherein a through hole for enabling an embedded iron seat (3) to extend upwards is formed in the upper surface of the pouring shell (1), and a positioning surface on the embedded iron seat (3) can be in fit limitation with the upper surface of an inner cavity of the pouring shell (1); the embedded iron seat positioning and fixing device further comprises an embedded iron seat positioning and fixing device as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112361.XU CN210389639U (en) | 2019-07-16 | 2019-07-16 | Pre-buried iron seat positioning and fixing device and elastic supporting block processing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112361.XU CN210389639U (en) | 2019-07-16 | 2019-07-16 | Pre-buried iron seat positioning and fixing device and elastic supporting block processing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210389639U true CN210389639U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921112361.XU Active CN210389639U (en) | 2019-07-16 | 2019-07-16 | Pre-buried iron seat positioning and fixing device and elastic supporting block processing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210389639U (en) |
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- 2019-07-16 CN CN201921112361.XU patent/CN210389639U/en active Active
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