Positioning device
Technical Field
The utility model relates to the technical field of railing construction, in particular to a positioning device.
Background
For the guardrail which needs to be welded on the construction site, in the railing welding process, firstly, the distance and the perpendicularity of the railing are required to be measured so as to determine the installation position of the railing, and then the railing is welded. For different use occasions, the requirements on the spacing and the height of the railing in the design specification are different, and a tape measure or a steel rule is generally adopted to measure the spacing of the railing.
However, when the measuring tape is used for measurement, the measuring result is usually inaccurate due to bending of the side, close to the reading, of the measuring tape, and when the measuring tape is used for measurement, the measuring tape is only suitable for measurement with fixed spacing, but cannot be suitable for measurement of different railing sizes.
Accordingly, there is disclosed in the prior art a telescopic rule, as shown in fig. 1, which comprises a sliding clamping groove frame 01, and a first ruler 02 and a second ruler 03 are slidably mounted on the inner side of the sliding clamping groove frame 01. And respectively extending the two ends of the first ruler 02 and the second ruler 03 to the positions to be measured, wherein the total length of the second ruler 03 plus the reading of the first ruler 02 is the measurement size.
The telescopic ruler can be used for accurately measuring the distance between the rails and can rapidly position the mounting positions of the rails to be mounted. However, in the measuring process, the mounting position of the railing is required to be manually held by the telescopic ruler, so that the position of the telescopic ruler is inclined, the measuring result is inaccurate, and secondly, if the end part of the railing is measured once, other positions of the railing are possibly inclined, the perpendicularity cannot be ensured, and if the railing is measured for many times, the welding efficiency of the railing is reduced.
Disclosure of utility model
In view of the above, the present utility model provides a positioning device to solve the problem that the existing tape measure or steel rule cannot be applied to various rail sizes and the mounting position of the rail is inaccurate due to the fact that the telescopic rule is held by hand.
The utility model provides a positioning device, which is suitable for positioning the distance between two adjacent pieces to be mounted, and comprises the following components:
A support;
At least two scalable measuring parts, fixed connection in on the support piece, and follow the extending direction interval setting of support piece, scalable measuring part extending direction with wait the extending direction of installing piece is perpendicular, scalable measuring part is last to have the scale, is suitable for under the exogenic action do telescopic movement in order to adjust adjacent two wait to install the interval between the piece.
The telescopic measuring device has the advantages that the telescopic measuring device is used for measuring the distance between two adjacent pieces to be mounted, the application range is wide, the telescopic measuring device can be suitable for measuring the mounting size of various pieces to be mounted, the measuring result is more accurate than that of a traditional measuring mode, the telescopic measuring device is fixedly connected to the supporting piece, the telescopic measuring device can be prevented from tilting due to the fact that the telescopic measuring device is in a handheld measuring mode, the measuring result is inaccurate, the distance between the extending directions of the two adjacent pieces to be mounted can be measured for multiple times at the same time through the arrangement of the at least two telescopic measuring devices, further the fact that the pieces to be mounted are not tilted during mounting is guaranteed, the mounting quality of the pieces to be mounted can be improved, reworking is avoided, and the measuring efficiency can be improved.
In an alternative embodiment, the support member has the same extension as the member to be mounted;
And/or the sum of the extension sizes of the support piece and the telescopic measuring piece is the same as the extension length of the to-be-mounted piece along the extension direction parallel to the to-be-mounted piece.
The telescopic measuring device has the beneficial effects that the sum of the extension sizes of the supporting piece and the telescopic measuring piece is the same as the extension length of the piece to be installed, so that the two telescopic measuring pieces can be abutted on the frame welded by the piece to be installed, a handheld positioning device is not needed, and inaccurate measurement caused by manual operation is prevented.
In an alternative embodiment, the retractable measuring element comprises:
the outer measuring piece is provided with a hollow structure, and scales are arranged on the outer measuring piece;
The inner measuring piece is provided with scales, is slidably arranged in the hollow structure of the outer measuring piece, and has a fixed state fixedly connected with the outer measuring piece and an active state slidably connected with the outer measuring piece.
The telescopic measuring device has the advantages that two ends of the telescopic measuring piece can be abutted between two adjacent pieces to be mounted through fixedly connecting the outer measuring piece and the inner measuring piece, measurement is facilitated, and the telescopic length of the telescopic measuring piece can be adjusted through setting the outer measuring piece and the inner measuring piece to be capable of moving relatively, so that the telescopic measuring piece is matched with the distance between the pieces to be mounted.
In an alternative embodiment, a first limiting space is arranged on the outer measuring piece;
The retractable measuring element includes:
The first limiting piece is matched with the first limiting space and is suitable for being in the fixed state when the first limiting piece is inserted into the first limiting space and is abutted to the inner measuring piece.
The telescopic measuring device has the beneficial effects that the first limiting piece is arranged between the outer measuring piece and the inner measuring piece, so that the inner measuring piece can be fixed, and the inner measuring piece is prevented from retracting inwards when the telescopic measuring piece is used for measuring, so that the measuring result is inaccurate.
In an alternative embodiment, the inner measuring member is provided with two measuring members, which are respectively arranged at two ends of the outer measuring member.
The telescopic measuring device has the beneficial effects that the telescopic length of the telescopic measuring device can be increased by arranging the two inner measuring devices, and the measuring distance between two adjacent to-be-installed devices is enlarged.
In an alternative embodiment, a partition member is arranged in the hollow structure of the outer measuring member, and two inner measuring members are arranged on two sides of the partition member;
And/or a positioning piece is arranged in the hollow structure of the outer measuring piece, the positioning piece is arranged opposite to the first limiting space, and when the inner measuring piece is in the fixed state, the positioning piece is abutted to the inner measuring piece.
The inner measuring part has the advantages that the inner measuring part can be limited by arranging the separating part in the hollow structure, two ends of the inner measuring part are prevented from completely extending into the hollow structure and are not easy to take out, the inner measuring part can be kept horizontally placed in a fixed state by arranging the positioning part, and the inner measuring part slides in the hollow structure of the outer measuring part more smoothly.
In an alternative embodiment, the telescopic measuring member is provided with two telescopic measuring members respectively arranged at two ends of the supporting member.
The telescopic measuring pieces are arranged at the two ends of the supporting piece, so that the lower end part of the positioning device can be conveniently placed on a plane horizontally, the upper end part and the lower end part of the piece to be installed can be measured simultaneously, and the perpendicularity of the piece to be installed can be further ensured.
The telescopic measuring device has the beneficial effects that the supporting piece is arranged to be of a telescopic structure, the length of the supporting piece can be adjusted according to the length of the piece to be installed, the length of the supporting piece is prevented from being too different from the length of the piece to be installed, so that only one telescopic measuring piece is used for measuring the piece to be installed, or the telescopic measuring piece can only be used for measuring the distance between one ends of the piece to be installed, the measuring result is not accurate enough, and the perpendicularity of the piece to be installed cannot be ensured.
In an alternative embodiment, the support comprises:
An outer support having a hollow structure;
The inner support piece is arranged in the hollow structure of the outer support piece and is provided with a support state fixedly connected with the outer support piece and a motion state moving relative to the outer support piece.
The outer support piece and the inner support piece can move relatively, so that the length of the support piece can be adjusted, and the support piece is matched with the height of the piece to be installed.
In an alternative embodiment, a second limiting space is arranged on the outer support piece;
the support includes:
the second limiting piece is matched with the second limiting space and is suitable for being in the supporting state when the second limiting piece is inserted into the second limiting space and is abutted to the inner supporting piece.
The inner support has the beneficial effects that the second limiting piece is arranged between the outer support piece and the inner support piece, so that the inner support piece can be fixed, and the inner support piece is prevented from being retracted inwards during measurement, so that an inaccurate measurement result is caused.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a prior art telescopic ruler;
FIG. 2 is a schematic diagram of a positioning device according to an embodiment of the present utility model;
FIG. 3 is a front view of a positioning device according to an embodiment of the present utility model;
FIG. 4 is a front view of a retractable measuring element, according to an embodiment of the present utility model;
FIG. 5 is an exploded view of the telescoping measurement member of FIG. 4;
fig. 6 is an enlarged partial schematic view at a in fig. 3.
Reference numerals illustrate:
01. the first ruler and the second ruler are respectively arranged on the sliding clamping groove frame, the first ruler and the second ruler;
1. the device comprises a to-be-installed part, a supporting part, a 21, an outer supporting part, a 211, a second limiting space, a 22, an inner supporting part, a 23, a second limiting part, a 3, a telescopic measuring part, a 31, an outer measuring part, a 311, a first limiting space, a 312, a separating part, a 32, an inner measuring part, a 33, a first limiting part, a 34 and a positioning part.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiments of the present utility model are described below with reference to fig. 2 to 6.
According to the embodiment of the utility model, a positioning device is provided, which is suitable for positioning the distance between two adjacent pieces to be installed 1, and comprises a support piece 2 and at least two telescopic measuring pieces 3 fixedly connected to the support piece 2 and arranged at intervals along the extending direction of the support piece 2, wherein the extending direction of the telescopic measuring pieces 3 is perpendicular to the extending direction of the pieces to be installed 1, and scales are arranged on the telescopic measuring pieces 3 and are suitable for performing telescopic movement under the action of external force so as to adjust the distance between the two adjacent pieces to be installed 1.
The telescopic measuring piece 3 is used for measuring the distance between two adjacent pieces 1 to be mounted, the application range is wide, the telescopic measuring piece 3 is suitable for measuring the mounting size of various pieces 1 to be mounted, the measurement result is more accurate than that of the traditional measuring method, the telescopic measuring piece 3 is fixedly connected to the supporting piece 2, the telescopic measuring piece 3 can be prevented from tilting due to the fact that the telescopic measuring piece 3 is in a handheld measuring method, the measurement result is inaccurate, the distance between the extending directions of the two adjacent pieces 1 to be mounted can be measured for multiple times at the same time through the arrangement of the at least two telescopic measuring pieces 3, the fact that the pieces 1 to be mounted are not tilted during mounting is guaranteed, the mounting quality of the pieces 1 to be mounted can be improved, reworking is avoided, and the measurement efficiency can be improved.
The member to be mounted 1 in the present embodiment is a rail. As an alternative embodiment, the member to be mounted 1 may be another structure that needs to be positioned and mounted, and the present invention is not limited thereto.
Wherein, in use, the positioning device is one, as shown in fig. 3, two telescopic measuring pieces 3 are provided and are respectively arranged at two ends of the supporting piece 2. The sum of the extension dimensions of the support 2 and the telescopic measuring means 3 is the same as the extension length of the balustrade, in a direction parallel to the extension direction of the balustrade. Simultaneously, as the sum of the extension sizes of the support piece 2 and the telescopic measuring piece 3 is the same as the extension length of the railing, the two telescopic measuring pieces 3 can be abutted on the railing welded frame without holding the positioning device, and inaccurate measurement caused by manual operation is prevented. As an alternative embodiment, the positioning devices may be provided in a plurality of sizes, and when the size of the railing needs to be measured, the positioning devices are assembled according to the length of the railing, so that the sum of the sizes of the assembled positioning devices is matched with the height of the railing. As an alternative embodiment, three or four retractable measuring elements 3 may be provided, and the number of retractable measuring elements 3 may be determined according to the length of the rail and the actual situation, without being limited thereto. As an alternative embodiment, when the retractable measuring element 3 is provided at the non-end position of the support element 2, the extension length of the support element 2 may be the same as the extension length of the rail.
The support 2 in this embodiment is of a telescopic construction. Through setting up support piece 2 into telescopic structure, can adjust according to the length of railing, prevent that the length of support piece 2 and the length of railing from differeing too much for only a scalable measuring part 3 is used for the measurement of railing, perhaps scalable measuring part 3 can only be used for measuring the interval of railing one end, leads to measuring result inaccurate, and the straightness of perpendicularity of railing can't be guaranteed.
Specifically, as shown in fig. 6, the support member 2 in the present embodiment includes an outer support member 21 having a hollow structure, and an inner support member 22 provided in the hollow structure of the outer support member 21 and having a support state fixedly connected to the outer support member 21 and a movement state relatively moving with the outer support member 21. By arranging the outer support 21 and the inner support 22 to be relatively movable, it is possible to adjust the length of the support 2 to thereby adapt to the height of the balustrade. As an alternative embodiment, the support 2 may include a plurality of support units, and the plurality of support units may be fixed by plugging or bolting, so that a suitable number of support units may be selected for assembly according to the height of the railing.
Wherein the inner side wall of the outer support 21 is screw-coupled with the outer side wall of the inner support 22. The support piece 2 realizes telescopic movement through the threaded connection of the outer support piece 21 and the inner support piece 22, and has simple structure and convenient operation. As an alternative embodiment, the inner side wall of the outer support 21 and the outer side wall of the inner support 22 may have smooth structures, and the outer support 21 and the inner support 22 may be in clearance fit to realize relative telescopic sliding under the action of external force. As an alternative embodiment, through holes are formed in the outer support member 21 at intervals, retractable protrusions are formed in the inner support member 22, when the protrusions are not engaged with the through holes, the outer support member 21 and the inner support member 22 can move in a telescopic manner, and when the protrusions are engaged with the through holes, the outer support member 21 and the inner support member 22 are fixed relatively.
Further, as shown in fig. 6, the outer support 21 is provided with a second limiting space 211, and the support 2 includes a second limiting member 23, which is matched with the second limiting space 211, and is adapted to be in a supporting state when the second limiting member 23 is inserted into the second limiting space 211 and abuts against the inner support 22. Specifically, the second limiting member 23 is a rubber stopper, the second limiting space 211 is a through groove, and when the sum of the extension dimensions of the support member 2 and the telescopic measuring member 3 is the same as the extension length of the rail, the rubber stopper is inserted into the through groove to fix the outer support member 21 and the inner support member 22. The second limiting piece 23 is arranged between the outer supporting piece 21 and the inner supporting piece 22, so that the inner supporting piece 22 can be fixed, the inner supporting piece 22 is prevented from retracting inwards during measurement, the measurement result is inaccurate, and the rubber plug is high in friction force with the inner supporting piece 22 and good in fixing effect due to the fact that the rubber plug is adopted as the second limiting piece 23. As an alternative embodiment, the second limiting member 23 may be a silicone pad or a bolt.
As shown in fig. 4 to 5, the retractable measuring element 3 in this embodiment includes an outer measuring element 31 having a hollow structure, a scale provided on the outer measuring element 31, and at least one inner measuring element 32, the scale provided on the inner measuring element 32, slidably provided in the hollow structure of the outer measuring element 31, having a fixed state fixedly connected with the outer measuring element 31 and an active state slidably connected with the outer measuring element 31. Through setting up outer measuring part 31 and interior measuring part 32 as but relative motion, can be used for adjusting the flexible length of scalable measuring part 3, and then with the interval looks adaptation of railing.
In the specific measurement, the sum of the scale of the outer measuring member 31 and the scale of the inner measuring member 32 is the measurement distance between the two rails.
As shown in fig. 4 to 5, the inner measuring member 32 is provided in two, respectively provided at both ends of the outer measuring member 31. By providing two inner measuring members 32, the telescopic length of the telescopic measuring member 3 can be increased, and the measuring distance between two adjacent balustrades can be enlarged. As an alternative embodiment, the inner measuring element 32 may be provided with only one, and one end of the outer measuring element 31 may be provided with the other end being closed.
As shown in fig. 4-5, the outer measuring member 31 is provided with a first limiting space 311, and the telescopic measuring member 3 includes a first limiting member 33, which is matched with the first limiting space 311, and is suitable for being in a fixed state when the first limiting member 33 is inserted into the first limiting space 311 and abuts against the inner measuring member 32. The first limiting member 33 is a spiral rubber plug, the first limiting space 311 is a spiral groove, and when the end portions of the two inner measuring members 32 are abutted to the rail, the inner measuring members 32 are fixed to the outer measuring members 31 for measuring the distance between the rails. The first limiting piece 33 is arranged between the outer measuring piece 31 and the inner measuring piece 32, so that the inner measuring piece 32 can be fixed, the inner measuring piece 32 is prevented from retracting inwards when the telescopic measuring piece 3 is used for measuring, the measuring result is inaccurate, and the spiral rubber plug is used as the first limiting piece 33, so that the friction force between the spiral rubber plug and the inner measuring piece 32 is large, and the fixing effect is good. As an alternative embodiment, the second limiting member 23 may be a silica gel pad or a bolt, or a common rubber stopper.
As shown in fig. 5, a positioning member 34 is disposed in the hollow structure of the outer measuring member 31, the positioning member 34 is disposed opposite to the first limiting space 311, and when the inner measuring member 32 is in a fixed state, the positioning member 34 abuts against the inner measuring member 32. The inside wall of outer measuring part 31 is equipped with setting element 34, and setting element 34 and first spacing space 311 are relative to be set up, and when interior measuring part 32 and outer measuring part 31 are relative fixed, setting element 34 and interior measuring part 32 butt. Specifically, the positioning element 34 is a bump, and the bump is disposed on the inner sidewall of the outer measuring element 31. By providing the positioning member 34, the inner measuring member 32 can be kept horizontally placed in a fixed state, and the inner measuring member 32 slides more smoothly in the hollow structure of the outer measuring member 31. As an alternative embodiment, the inner side wall of the outer measuring member 31 may be smoothly provided, and the positioning member 34 may not be provided as the shape of the side wall of the inner measuring member 32 is adapted.
As shown in fig. 5, a partition 312 is provided in the hollow structure of the outer measuring member 31, and two inner measuring members 32 are provided on both sides of the partition 312. Further, a partition 312 is provided at an intermediate position of the hollow structure. By arranging the partition 312 in the hollow structure, the inner measuring member 32 can be limited, and the two ends of the inner measuring member 32 are prevented from extending into the hollow structure completely, so that the inner measuring member is not easy to take out. Specifically, the partition 312 is a partition plate fixedly connected to the inner side wall of the outer measuring member 31. As an alternative embodiment, the length of each inner measuring member 32 may be greater than the length of the outer measuring member 31, and no spacer 312 may be required.
Specifically, as shown in fig. 4 to 5, the scale of the position of the divider 312 on the outer measuring member 31 is 0 and becomes larger in order to both sides, the scale of both ends is 3cm, the scale of the end of the inner measuring member 32 far from the divider 312 is 3cm identical to the scale of the end of the outer measuring member 31 and becomes larger in order to the position near the divider 312, and the scale of the end near the divider 312 is 7cm. To fix the inner measuring member 32 to the outer measuring member 31, the maximum measurable size of the inner measuring member 32 is 6.5cm. Thus, the measurable size range of both sides of the telescoping measurement 3 is 3cm-6.5cm.
In positioning the rail, it is ensured that all inner measuring elements 32 on the left side of the support 2 extend the same length and that all inner measuring elements 32 on the right side extend the same length. When the inner measuring piece 32 on the left side of the supporting piece 2 is abutted with the railing on the left side, the supporting piece 2 can be vertically placed due to the fact that the extending lengths of the inner measuring piece 32 are the same, meanwhile, the railing on the right side can be vertically placed due to the fact that the extending lengths of the inner measuring piece 32 on the right side of the supporting piece 2 are the same, and positioning is more accurate.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.