CN211621197U - Bridge telescoping device installation appurtenance and installation component - Google Patents
Bridge telescoping device installation appurtenance and installation component Download PDFInfo
- Publication number
- CN211621197U CN211621197U CN202020145086.8U CN202020145086U CN211621197U CN 211621197 U CN211621197 U CN 211621197U CN 202020145086 U CN202020145086 U CN 202020145086U CN 211621197 U CN211621197 U CN 211621197U
- Authority
- CN
- China
- Prior art keywords
- limiting block
- supporting seat
- expansion device
- bridge expansion
- stopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application provides a bridge telescoping device installation appurtenance and installation component relates to bridge construction field. The auxiliary tool for mounting the bridge expansion device comprises a measuring limiting part and a fastening limiting part. The measuring limiting part comprises a first supporting seat, a first limiting block and a measuring scale, and a threaded hole is formed in the first supporting seat. The first limiting block is arranged at one end of the first supporting seat and forms a first clamping part matched with the first component together with the first supporting seat. The fastening limiting part comprises a second supporting seat, a second limiting block and a screw. The second limiting block is arranged at one end of the second supporting seat and forms a second clamping part matched with the second component together with the second supporting seat. The first member and the second member are used for forming a bridge expansion joint. The second stopper is configured to move along the length direction of the measuring scale and can be measured by the measuring scale to measure the relative distance between the second stopper and the first stopper.
Description
Technical Field
The application relates to the technical field of bridge modulus type expansion device detection and installation, in particular to a bridge expansion device installation auxiliary tool and an installation assembly.
Background
In order to meet the requirement of bridge deformation, expansion joints are usually arranged between two beam ends, between the beam ends and an abutment or at the hinged position of the bridge. In order to make the vehicle pass through the bridge floor stably and meet the requirement of deformation of the upper structure of the bridge, a bridge expansion device composed of rubber, steel and other members is arranged at the bridge expansion joint. The bridge expansion device is used as a main auxiliary component of a bridge, and is one of key structures for ensuring the operation safety of the bridge and the smooth road, wherein the modular expansion device is an expansion device which is widely used at present.
Compared with the service life of the bridge main body structure of 100 years, the bridge expansion device with the service life of only 15 years is a replaceable component, and the bridge expansion device needs to be replaced for many times within the service life of the bridge. When the modular expansion device is replaced, the expansion amount of the expansion device needs to be adjusted according to the actual temperature on site. If the expansion amount can not be adjusted to the design requirement, the expansion amount of the expansion joint device exceeds the limit value and is damaged, so that the speed, comfort and safety of driving are affected, and even a driving safety accident is caused.
At present, the measurement of the expansion amount of the expansion device basically adopts a steel ruler to measure manually, the precision is low, the efficiency is low, and the number of human interference factors is large. When the telescopic device is installed, the telescopic amount of the new telescopic device is adjusted and fixed by a manufacturer according to the predicted on-site installation temperature. In practice, the temperature of the construction site is not consistent with the preset site installation temperature, and the expansion amount of the expansion device changes correspondingly. Therefore, in the actual installation process, the accurate installation between the expansion device and the expansion joint cannot be realized.
In view of the above, it is important to provide a device capable of measuring the expansion amount of a bridge expansion device and accurately installing the expansion device and the expansion joint in the installation of a modular expansion device.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a bridge telescoping device installation appurtenance, it can be measured and can make the accurate installation of realizing between telescoping device and the expansion joint to bridge telescoping device's flexible volume.
The embodiment of the application provides a bridge telescoping device installation appurtenance, and it includes:
the measuring limiting part comprises a first supporting seat, a first limiting block and a measuring scale, and a threaded hole is formed in the first supporting seat; the first limiting block is arranged at one end of the first supporting seat and forms a first clamping part matched with the first component together with the first supporting seat; the measuring tape is arranged on one side of the first limiting block opposite to the first supporting seat;
the fastening limiting part comprises a second supporting seat, a second limiting block and a screw; the second limiting block is arranged at one end of the second supporting seat and forms a second clamping part matched with a second component together with the second supporting seat; the first member and the second member are used for forming a bridge expansion joint; the screw is arranged on one side of the second limiting block opposite to the second supporting seat;
the screw rod is configured to be screwed in from the end part of the first support seat where the first limit block is arranged and to drive the second limit block to be close to or far away from the first limit block under the limitation of the threaded hole; the second stopper is configured to move along the length direction of the measuring scale and can measure the relative distance between the measuring scale and the first stopper.
In the implementation process, the measuring limiting part is clamped on the first member through the first clamping part, the clamped first supporting seat is located on the upper surface of the first member, and the end surface of the first limiting block, which is mounted on the first supporting seat, abuts against the side surface of the first member. The screw rod in the fastening limiting part is screwed into the threaded hole of the first supporting seat, the second limiting block is firstly positioned in an expansion joint between the first member and the second member, then the screw rod is rotated to enable the end face, installed on the second supporting seat, in the second limiting block to be abutted against the side face of the second member, the second supporting seat is positioned on the upper surface of the second member, namely the second clamping part is clamped with the second member. The second limiting block moves along the length direction of the movable measuring scale and can be measured by the measuring scale to obtain the relative distance between the second limiting block and the first limiting block. Consequently, can obtain the width at the expansion joint through the measuring tape fast after measuring the position fixing of locating part and fastening locating part to realize the quick accurate measurement of flexible volume, can assist the accurate installation between telescoping device and the expansion joint.
In a possible implementation manner, the measuring scale is arranged at the top end of the first limiting block; the length direction of the measuring scale is parallel to the movement direction of the second limiting block, and the length of the measuring scale is greater than or equal to that of the screw rod;
during the movement process of the second limiting block approaching or departing from the first limiting block, the top of the second limiting block is configured to be attached to the scale surface of the measuring scale.
In the implementation process, the measuring scale is arranged at the top end of the first limiting block, the moving second limiting block is avoided easily, the top of the second limiting block is attached to the scale surface of the measuring scale, and the distance between the first limiting block and the second limiting block can be directly measured by the measuring scale in the movement process that the second limiting block is close to or far away from the first limiting block.
In a possible implementation manner, the height of the first limiting block is the same as that of the second limiting block; the first clamping part and the second clamping part are in the same clamping shape; when the screw rod is screwed into the first supporting seat, the top end of the first limiting block is aligned with the top end of the second limiting block, the bottom end of the first limiting block is aligned with the bottom end of the second limiting block, and the positions of the first clamping portion and the second clamping portion are aligned.
In the implementation process, when the first supporting seat of screw rod screw in, the top of first stopper and the top of second stopper, the bottom of first stopper and the bottom of second stopper, when the position of first block portion and second block portion all aligns, the height of first stopper is the same with the height of second stopper, then the measuring tape that sets up on first stopper top just is located the top of second stopper, then the top of second stopper just can be followed the measuring face of measuring tape and pasted mutually and can be followed the measuring face and removed.
In a possible implementation manner, at least one preformed groove for turning the second supporting seat is arranged on the second supporting seat.
In the implementation process, as the second supporting block is fixedly connected with the screw rod, when the screw rod is screwed into the threaded hole of the first supporting block, the screw rod can be screwed into the first supporting block by rotating the second supporting block. A rod-shaped wrench and the like which can drive the second supporting block to rotate are inserted into the reserved groove, and the acting force for rotating the second supporting block can be smaller by utilizing the lever principle.
In a possible implementation manner, the number of the preformed grooves is 3, and the preformed grooves are in the shape of regular hexagonal prism holes.
In one possible implementation mode, the first supporting seat is a circular steel pipe which is provided with internal threads and has a length of 20-50 mm;
the first limiting block is a round steel pipe which is provided with internal threads and has a length of 8-12 mm; the nominal diameter of the thread of the first limiting block is the same as that of the thread of the first supporting seat;
the measuring scale is a transparent scale with the minimum scale of 1 mm.
In a possible implementation manner, the measuring scale is welded or bonded on the outer side face of the first limiting block, and the fixed position is located at the position of the highest tangent plane in the first limiting block.
In a possible implementation manner, the first supporting seat can also be a steel pipe with an opening at one end and a closed end, and the length of a threaded hole in the steel pipe is 20-50 mm; the first limiting block is arranged at the opening end of the steel pipe.
In one possible implementation mode, the screw is a full-thread steel rod, and the tolerance diameter of the screw is 1-2 mm smaller than the nominal diameter of the thread of the first support seat;
the second supporting seat is a round steel bar with the length of 25-35 mm;
the second limiting block is a round steel bar with the length of 8-12 mm.
The screw rod, the second limiting block and the second supporting seat are coaxially arranged.
In a second aspect, an embodiment of the present application further provides a bridge expansion device installation assembly, including the bridge expansion device installation auxiliary tool and the split jack as described above.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an auxiliary tool for installing a bridge expansion device according to an embodiment of the present application;
FIG. 2 is a schematic view illustrating an embodiment of measuring the expansion amount of a bridge expansion device according to the present disclosure;
fig. 3 is a schematic structural diagram of a bridge expansion device mounting assembly according to an embodiment of the present application.
Icon: 100-measuring a limit stop; 110-a first support; 120-a first stopper; 121-the outer end face of the first stopper; 130-measuring tape; 140-a threaded hole; 200-fastening a limit piece; 210-a second support seat; 221-an outer end face of the second stopper; 220-a second stopper; 230-a screw; 240-a preformed groove; 300-section steel; 400-slotted jack.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Fig. 1 is a schematic structural diagram of an auxiliary tool for installing a bridge expansion device according to an embodiment of the present application. Referring to fig. 1, the auxiliary tool for mounting the bridge expansion device includes a measurement limiting member 100 and a fastening limiting member 200.
The measurement limiting member 100 includes a first supporting base 110, a first limiting block 120 and a measuring tape 130. The first support base 110 is provided with a screw hole 140 therein. The first stopper 120 is disposed at one end of the first support base 110 and forms a first engaging portion with the first support base 110 for engaging with a first member. The measuring tape 130 is disposed on the opposite side of the first stopper 120 from the first supporting seat 110.
It should be noted that the first member is one of the members forming the bridge expansion joint. If an expansion joint is formed between two adjacent bridges, the first member is the end part of one of the bridges; if an expansion joint is formed between one bridge and one bridge abutment, the first member is the end part of the bridge or the end part of the bridge abutment. Correspondingly, the other part of the member for forming the bridge expansion joint is called as a second member. That is, the first member and the second member form a bridge expansion joint.
The fastening limiting member 200 includes a second supporting seat 210, a second limiting block 220 and a screw 230. The second stopper 220 is disposed at one end of the second support base 210 and forms a second engaging portion with the second support base 210 for engaging with a second member. The screw 230 is disposed on the opposite side of the second stopper 220 from the second support base 210. The screw 230 is configured to be screwed into the end of the first support base 110 where the first stopper 120 is disposed and to drive the second stopper 220 to approach or depart from the first stopper under the restriction of the threaded hole. The second stopper 220 is configured to move along the length of the measuring tape 130 and can be measured by the measuring tape 130 at a relative distance from the first stopper.
The use method of the auxiliary tool for installing the bridge expansion device comprises the following steps: the measurement limiting member 100 is clamped on the first member through the first clamping portion, the clamped first supporting seat 110 is located on the upper surface of the first member, and the end surface of the first limiting member 120, which is mounted on the first supporting seat 110, abuts against the side surface of the first member. The screw 230 in the fastening stopper 200 is screwed into the threaded hole of the first support base 110, the second stopper 220 is first located in the expansion joint between the first member and the second member, and then the screw 230 is rotated to make the end surface of the second stopper 220, which is mounted on the second support base 210, abut against the side surface of the second member, and the second support base 210 is located on the upper surface of the second member, that is, the second engaging portion is engaged with the second member. The second stopper 220 moves along the length of the measuring tape 130 and can be measured by the measuring tape 130 to measure the relative distance from the first stopper. Therefore, after the positions of the measuring limiting part 100 and the fastening limiting part 200 are fixed, the width of the expansion joint can be rapidly obtained through the measuring scale 130, so that rapid and accurate measurement of the expansion amount is realized, and accurate installation between the expansion device and the expansion joint can be assisted.
In one possible implementation, the measuring tape 130 is disposed at the top end of the first stopper 120; the length direction of the measuring tape 130 is parallel to the moving direction of the second limiting block 220, and the length of the measuring tape 130 is greater than or equal to the length of the screw 230; during movement of the second stopper 220 toward or away from the first stopper, the top of the second stopper 220 is configured to abut the scale surface of the measuring tape 130.
In the above implementation process, the measuring tape 130 is disposed at the top end of the first limiting block 120, so that the movable second limiting block 220 is easily avoided, and the top of the second limiting block 220 is attached to the scale surface of the measuring tape 130, so that the distance between the first limiting block 120 and the second limiting block 220 can be directly measured by the measuring tape 130 in the movement process of the second limiting block 220 approaching or departing from the first limiting block.
In one possible implementation, the height of the first stopper 120 is the same as the height of the second stopper 220; the first clamping part and the second clamping part are in the same clamping shape; when the screw 230 is screwed into the first supporting seat 110, the top end of the first stopper 120 is aligned with the top end of the second stopper 220, the bottom end of the first stopper 120 is aligned with the bottom end of the second stopper 220, and the positions of the first engaging portion and the second engaging portion are aligned.
In the above implementation process, when the screw 230 is screwed into the first supporting seat 110, the top end of the first limiting block 120 is aligned with the top end of the second limiting block 220, the bottom end of the first limiting block 120 is aligned with the bottom end of the second limiting block 220, and the first engaging portion is aligned with the second engaging portion, the height of the first limiting block 120 is the same as that of the second limiting block 220, the measuring tape 130 disposed at the top end of the first limiting block 120 is just located at the top end of the second limiting block 220, and the top end of the second limiting block 220 can just be attached to and can move along the measuring surface of the measuring tape 130.
In a possible implementation manner, the second support seat 210 is provided with at least one pre-groove 240 for turning the second support seat 210.
In the implementation process, since the second supporting block is fixedly connected to the screw 230, when the screw 230 is screwed into the threaded hole of the first supporting block, the screw 230 can be screwed into the first supporting block by rotating the second supporting block. A lever-shaped wrench or the like which can drive the second support block to rotate is inserted into the preformed groove 240, and the acting force for rotating the second support block can be smaller by utilizing the lever principle.
In a possible implementation manner, the number of the preformed grooves 240 is 3, the 3 preformed grooves 240 are uniformly distributed on the outer surface of the second supporting block in the circumferential direction, and the preformed grooves 240 are regular hexagonal prism holes.
In the implementation process, in the rotation process, the rotation angle of the arm of the user is limited, 3 preformed grooves 240 are uniformly distributed in the circumferential direction of the outer surface of the second supporting block, the wrench can be drawn out from the preformed grooves 240 after the user rotates for a certain angle, and the wrench is inserted into the preformed grooves 240 which are close to the user through rotation to continue rotating the second supporting block, so that the user has better use experience.
In a possible implementation manner, the first supporting seat 110 can be a circular steel pipe with an internal thread and a length of 20-50 mm. The first limiting block 120 is a round steel pipe with an internal thread and a length of 8-12 mm. The nominal diameter of the screw thread of the first stopper 120 is the same as the nominal diameter of the screw thread of the first supporting seat 110. The measuring tape 130 is a transparent tape with a minimum scale of 1 mm. The transparent measuring tape is more favorable for reading the measured data. It should be noted that, the material for making the measuring tape is not limited in the present application, and all materials capable of making a transparent measuring tape fall within the scope of the present application. In a preferred implementation, the transparent measuring tape is made of a high polymer transparent material.
In one possible implementation, the measuring tape 130 is welded or bonded to the outer side of the first stopper 120, and the fixing position is located at the highest tangent plane in the first stopper 120.
In another possible implementation manner, the first supporting seat 110 may also be a steel tube with an open end and a closed end, and the length of the threaded hole in the steel tube is 20-50 mm. The first stopper 120 is disposed at an open end of the steel pipe.
In one possible implementation, the screw 230 is a full-thread steel rod with a tolerance diameter 1-2 mm smaller than the nominal diameter of the thread of the first support base 110. The second support seat 210 is a round steel bar with the length of 25-35 mm;
the second limiting block 220 is a round steel rod with a length of 8-12 mm. The screw 230, the second stopper 220 and the second support base 210 are coaxially disposed.
Referring to fig. 2, taking an example of an expansion joint formed by two steel sections, the step of measuring the actual expansion amount between the bridge expansion devices is as follows:
(1) screwing the screw 230 for fastening the limiting member 200 into the first limiting member 120 and the first supporting seat 110 of the measuring and limiting member 100, so that the distance between the outer end surface 121 of the first limiting member and the outer end surface 221 of the second limiting member is smaller than the width of the seam between the two steel profiles 300;
(2) placing an auxiliary tool for mounting the bridge expansion device into an expansion joint between the profile steels 300 to enable the first limiting block 120 to be close to one side profile steel 300;
(3) adjusting a second limiting block 220 fixed on the second support seat 210 by using an inner hexagon wrench matched with the preformed groove 240 on the second support seat 210, so that the outer end face of the first limiting block 120 is clamped with the profile steel 300 on one side, and the outer end face of the second limiting block 220 is clamped with the profile steel 300 on the other side;
(4) the distance of the expansion joint, that is, the expansion amount of the expansion joint, is obtained by reading the scale between the outer end face of the first stopper 120 and the outer end face of the second stopper 220 through the measuring ruler 130.
In a second aspect, an embodiment of the present application further provides a bridge expansion device mounting assembly, and fig. 3 is a schematic structural diagram of the bridge expansion device mounting assembly shown in the embodiment of the present application. Referring to fig. 3, the bridge expansion device mounting assembly includes a bridge expansion device mounting aid and a split jack 400 as described above.
The working principle of how to realize the precise installation of the expansion device in the expansion joint by installing the auxiliary tool and the split jack 400 on the expansion joint of the bridge expansion device is explained in detail below by taking the expansion joint formed by two steel profiles 300 as an example and referring to fig. 3.
First, the amount of expansion and contraction of the expansion and contraction device is adjusted and fixed by the manufacturer according to the expected field installation temperature, i.e., the factory clearance L1.
(1) And calculating the actual clear distance L2 between the two section steels 300 according to the actual construction temperature on site.
(2) When the actual clear distance L2 is less than the factory clear distance L1, namely L2< L1: the screw 230 of the fastening limiting member 200 is screwed into the first limiting member 120 and the first supporting seat 110 of the measurement limiting member 100, so that the distance between the outer end surface of the first limiting member 120 and the outer end surface of the second limiting member 220 is equal to the actual clear distance L2. Put bridge telescoping device installation appurtenance into the expansion joint that shaped steel 300 constitutes, make first stopper 120 be close to one side shaped steel 300, utilize the hydraulic pressure gold top of slotting to adjust opposite side shaped steel 300 position, make the position of opposite side shaped steel 300 remove to the outer tip laminating with second stopper 220, first stopper 120 and second stopper 220 respectively with the shaped steel 300 chucking of its outer end, L2 equals L1 promptly.
(3) When the actual clear distance L2 is greater than the factory clear distance L1, i.e. L2> L1: the screw 230 of the fastening limiting member 200 is screwed into the first limiting member 120 and the first supporting seat 110 of the measurement limiting member 100, so that the distance between the outer end surface of the first limiting member 120 and the outer end surface of the second limiting member 220 is the actual clear distance L2. The clear distance between the two section steels 300 is enlarged by using the slotted hydraulic kilo-gold jack, so that the auxiliary tool for mounting the bridge expansion device can be placed between the section steels 300. The slotted jack 400 is taken out, and the bridge expansion device installation auxiliary tool is placed in the expansion joint between the profile steels 300.
(4) When the number of the expansion joints is multiple and the expansion joints are arranged in parallel, firstly, the expansion joint located at the most middle position is adjusted, if the actual clear distance L2 of the most middle expansion joint is smaller than the factory clear distance L1, the adjustment is carried out according to the step 2, and if the actual clear distance L2 of the most middle expansion joint is larger than the factory clear distance L1, the adjustment is carried out according to the step 3. And (3) after the expansion amount of the expansion joint at the most middle position is adjusted, respectively adjusting the expansion joints at two sides of the most middle position, and referring to the step 2 or the step 3 for the adjustment rule. And sequentially adjusting the expansion amount of each two expansion joints from the middle to the two sides until the expansion amount of all the expansion joints is adjusted.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Claims (10)
1. The utility model provides a bridge telescoping device installation appurtenance which characterized in that includes:
the measuring limiting part comprises a first supporting seat, a first limiting block and a measuring scale, and a threaded hole is formed in the first supporting seat; the first limiting block is arranged at one end of the first supporting seat and forms a first clamping part matched with the first component together with the first supporting seat; the measuring tape is arranged on one side of the first limiting block opposite to the first supporting seat;
the fastening limiting part comprises a second supporting seat, a second limiting block and a screw; the second limiting block is arranged at one end of the second supporting seat and forms a second clamping part matched with a second component together with the second supporting seat; the first member and the second member are used for forming a bridge expansion joint; the screw is arranged on one side of the second limiting block opposite to the second supporting seat;
the screw rod is configured to be screwed in from the end part of the first support seat where the first limit block is arranged and to drive the second limit block to be close to or far away from the first limit block under the limitation of the threaded hole; the second stopper is configured to move along the length direction of the measuring scale and can measure the relative distance between the measuring scale and the first stopper.
2. The bridge expansion device installation auxiliary tool of claim 1,
the measuring scale is arranged at the top end of the first limiting block; the length direction of the measuring scale is parallel to the movement direction of the second limiting block, and the length of the measuring scale is greater than or equal to that of the screw rod;
during the movement process of the second limiting block approaching or departing from the first limiting block, the top of the second limiting block is configured to be attached to the scale surface of the measuring scale.
3. The bridge expansion device installation auxiliary tool of claim 2,
the height of the first limiting block is the same as that of the second limiting block;
the first clamping part and the second clamping part are in the same clamping shape;
when the screw rod is screwed into the first supporting seat, the top end of the first limiting block is aligned with the top end of the second limiting block, the bottom end of the first limiting block is aligned with the bottom end of the second limiting block, and the positions of the first clamping portion and the second clamping portion are aligned.
4. The auxiliary tool for mounting a bridge expansion device according to any one of claims 1 to 3, wherein at least one pre-groove for wrenching the second support seat is provided on the second support seat.
5. The auxiliary tool for mounting the bridge expansion device according to claim 4, wherein the number of the preformed grooves is 3, and the 3 preformed grooves are uniformly distributed on the outer surface of the second supporting block in the circumferential direction;
the shape of the preformed groove is a regular hexagon prism hole.
6. The bridge expansion device installation auxiliary tool of claim 4,
the first supporting seat is a circular steel pipe which is provided with internal threads and has a length of 20-50 mm;
the first limiting block is a round steel pipe which is provided with internal threads and has a length of 8-12 mm; the nominal diameter of the thread of the first limiting block is the same as that of the thread of the first supporting seat;
the measuring scale is a transparent scale with the minimum scale of 1 mm.
7. The bridge expansion device installation auxiliary tool of claim 6,
the measuring scale is welded or bonded on the outer side face of the first limiting block, and the fixed position is located at the position of the highest tangent plane in the first limiting block.
8. The bridge expansion device installation auxiliary tool of claim 6,
the first supporting seat can also be a steel pipe with an opening at one end and a closed end, and the length of a threaded hole in the steel pipe is 20-50 mm; the first limiting block is arranged at the opening end of the steel pipe.
9. The bridge expansion device installation auxiliary tool of claim 6,
the screw is a full-thread steel rod, and the tolerance diameter of the screw is 1-2 mm smaller than the nominal diameter of the thread of the first supporting seat;
the second supporting seat is a round steel bar with the length of 25-35 mm;
the second limiting block is a round steel bar with the length of 8-12 mm;
the screw rod, the second limiting block and the second supporting seat are coaxially arranged.
10. A bridge expansion device mounting assembly comprising a bridge expansion device mounting aid according to any one of claims 1 to 9 and a split jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145086.8U CN211621197U (en) | 2020-01-22 | 2020-01-22 | Bridge telescoping device installation appurtenance and installation component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145086.8U CN211621197U (en) | 2020-01-22 | 2020-01-22 | Bridge telescoping device installation appurtenance and installation component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211621197U true CN211621197U (en) | 2020-10-02 |
Family
ID=72619056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020145086.8U Active CN211621197U (en) | 2020-01-22 | 2020-01-22 | Bridge telescoping device installation appurtenance and installation component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211621197U (en) |
-
2020
- 2020-01-22 CN CN202020145086.8U patent/CN211621197U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211013831U (en) | Structural mechanical property testing device | |
| CN211621197U (en) | Bridge telescoping device installation appurtenance and installation component | |
| CN210571778U (en) | Novel bending test splint | |
| CN216523877U (en) | A sinkage measuring device for bridge design | |
| CN215639351U (en) | Reinforced concrete protective layer thickness measuring device before pouring | |
| CN216284720U (en) | Device is tested in quick debugging of metal bellows lateral bending for prestressed concrete | |
| CN215725947U (en) | Prism device for measuring assembled U-shaped beam | |
| CN114485333A (en) | Bridge displacement detection device and detection method | |
| CN212059640U (en) | Auxiliary device for detecting concrete drawing force and adhesive force | |
| CN201955035U (en) | Correcting device for internal and external measuring jaws of vernier caliper | |
| CN211147531U (en) | Multifunctional device for detecting rough depth of prefabricated part and height of truss steel bar | |
| CN219714238U (en) | Measuring tool for thickness of steel member web | |
| CN216883462U (en) | Tool for measuring angle of arc-shaped wallboard | |
| CN217083668U (en) | Roadbed protective layer measurement thickness detection device for highway engineering | |
| CN211173148U (en) | Mechanical assistance reinforcing steel bar deviation correcting device | |
| CN211541740U (en) | Bridge precast beam body bottom leveling piece construction accuracy control device | |
| CN218723681U (en) | Simple three-way displacement measuring device | |
| CN215930896U (en) | Large-section wide-span rigid frame bridge swivel quality monitoring system | |
| CN211057633U (en) | Wedge stop device suitable for vertical line type fine tuning of horizontal rotation bridge | |
| CN216482725U (en) | Detection tool for measuring welding seams of steel structures with different specifications | |
| CN215909854U (en) | Horizontal ruler for quality acceptance of architectural decoration and finishing engineering | |
| CN215810873U (en) | Measuring tool for positioning square steel structure rod piece | |
| CN217058602U (en) | Aluminum can wall thickness detector | |
| CN113324833B (en) | Device and method for detecting stress of existing building structure | |
| CN214407302U (en) | Angle positioning control device for anchor of segmental beam notch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |